package main

import (
	"bytes"
	"encoding/json"
	"errors"
	"image"
	"io"
	"net/http"
	"net/http/httptest"
	"os"
	"path/filepath"
	"slices"
	"strings"
	"testing"
	"time"

	"gioui.org/io/key"
	"gioui.org/layout"
	"gioui.org/op"
	"gioui.org/unit"
	"gioui.org/widget"

	"git.julianfamily.org/keepassgo/apiapproval"
	"git.julianfamily.org/keepassgo/apiaudit"
	"git.julianfamily.org/keepassgo/apitokens"
	"git.julianfamily.org/keepassgo/appstate"
	"git.julianfamily.org/keepassgo/clipboard"
	"git.julianfamily.org/keepassgo/passwords"
	"git.julianfamily.org/keepassgo/session"
	"git.julianfamily.org/keepassgo/vault"
	"git.julianfamily.org/keepassgo/webdav"
)

func TestMain(m *testing.M) {
	stateDir, err := os.MkdirTemp("", "keepassgo-test-state-")
	if err != nil {
		panic(err)
	}
	if err := os.Setenv("KEEPASSGO_STATE_DIR", stateDir); err != nil {
		_ = os.RemoveAll(stateDir)
		panic(err)
	}
	code := m.Run()
	_ = os.RemoveAll(stateDir)
	os.Exit(code)
}

func waitForBackgroundResult(t *testing.T, u *ui) backgroundActionResult {
	t.Helper()
	select {
	case result := <-u.backgroundResults:
		return result
	case <-time.After(2 * time.Second):
		t.Fatal("timed out waiting for background action result")
		return backgroundActionResult{}
	}
}

type summarySession struct {
	model    vault.Model
	hasVault bool
	locked   bool
	remote   bool
}

func (s summarySession) Current() (vault.Model, error) {
	if s.locked {
		return vault.Model{}, session.ErrLocked
	}
	return s.model, nil
}

func (s summarySession) Save(vault.Model) error                                   { return nil }
func (s summarySession) SaveAs(string, vault.MasterKey) error                     { return nil }
func (s summarySession) Create(vault.MasterKey) error                             { return nil }
func (s summarySession) Open(string, vault.MasterKey) error                       { return nil }
func (s summarySession) OpenRemote(*webdav.Client, string, vault.MasterKey) error { return nil }
func (s summarySession) ChangeMasterKey(vault.MasterKey) error                    { return nil }
func (s summarySession) Lock() error                                              { return nil }
func (s summarySession) Unlock(vault.MasterKey) error                             { return nil }
func (s summarySession) HasVault() bool                                           { return s.hasVault }
func (s summarySession) IsLocked() bool                                           { return s.locked }
func (s summarySession) IsRemote() bool                                           { return s.remote }

func TestUIFiltersUsingVaultModelPathsAndSearch(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "1", Title: "Bellagio", Username: "rustyryan", URL: "https://bellagio.example.invalid", Path: []string{"Crew", "Internet"}},
			{ID: "2", Title: "Vault Console", Username: "dannyocean", URL: "https://vault.crew.example.invalid", Path: []string{"Crew", "Internet"}},
			{ID: "3", Title: "Surveillance Console", Username: "codex", URL: "https://surveillance.crew.example.invalid", Path: []string{"Crew", "Home Assistant"}},
		},
	})

	u.state.NavigateToPath([]string{"Crew", "Internet"})
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Bellagio", "Vault Console"}) {
		t.Fatalf("filteredTitles() = %v, want [Bellagio Vault Console]", got)
	}

	u.search.SetText("surveillance")
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Surveillance Console"}) {
		t.Fatalf("search filteredTitles() = %v, want [Surveillance Console]", got)
	}
}

func TestUIMasterPasswordUsesPasswordInputHint(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("phone", &session.Manager{})
	if got := u.masterPassword.InputHint; got != key.HintPassword {
		t.Fatalf("masterPassword.InputHint = %v, want %v", got, key.HintPassword)
	}
}

func TestUISearchBehaviorIsConsistentAcrossDesktopAndPhoneLayouts(t *testing.T) {
	t.Parallel()

	modes := []string{"desktop", "phone"}
	for _, mode := range modes {
		mode := mode
		t.Run(mode, func(t *testing.T) {
			t.Parallel()

			u := newUIWithModel(mode, vault.Model{
				Entries: []vault.Entry{
					{ID: "entry-1", Title: "Vault Console", URL: "https://vault.crew.example.invalid", Path: []string{"Root", "Internet"}},
					{ID: "entry-2", Title: "HVAC", URL: "https://climate.example.com", Path: []string{"Root", "Home"}},
				},
				Templates: []vault.Entry{
					{ID: "tpl-1", Title: "Website Login", URL: "https://accounts.example.com", Path: []string{"Templates", "Web"}},
					{ID: "tpl-2", Title: "SSH Login", URL: "ssh://infra.internal", Path: []string{"Templates", "Infra"}},
				},
				RecycleBin: []vault.Entry{
					{ID: "deleted-1", Title: "Deleted Bellagio", URL: "https://bellagio.example.com", Path: []string{"Root", "Internet"}},
					{ID: "deleted-2", Title: "Deleted HVAC", URL: "https://climate.example.com", Path: []string{"Root", "Home"}},
				},
			})

			u.showEntriesSection()
			u.state.NavigateToPath([]string{"Root", "Internet"})
			u.search.SetText("climate")
			u.filter()
			if got := u.filteredTitles(); !slices.Equal(got, []string{"HVAC"}) {
				t.Fatalf("entries filteredTitles() = %v, want [HVAC]", got)
			}

			u.showTemplatesSection()
			u.state.NavigateToPath([]string{"Templates", "Web"})
			u.search.SetText("infra")
			u.filter()
			if got := u.filteredTitles(); !slices.Equal(got, []string{"SSH Login"}) {
				t.Fatalf("templates filteredTitles() = %v, want [SSH Login]", got)
			}
			if got := u.visiblePathContexts(); !slices.Equal(got, []string{"Templates / Infra"}) {
				t.Fatalf("templates visiblePathContexts() = %v, want [Templates / Infra]", got)
			}

			u.showRecycleBinSection()
			u.search.SetText("climate")
			u.filter()
			if got := u.filteredTitles(); !slices.Equal(got, []string{"Deleted HVAC"}) {
				t.Fatalf("recycle filteredTitles() = %v, want [Deleted HVAC]", got)
			}
			if got := u.visiblePathContexts(); !slices.Equal(got, []string{"Recycle Bin / Root / Home"}) {
				t.Fatalf("recycle visiblePathContexts() = %v, want [Recycle Bin / Root / Home]", got)
			}
		})
	}
}

func TestUICurrentVaultSummary(t *testing.T) {
	t.Parallel()

	t.Run("local", func(t *testing.T) {
		t.Parallel()

		u := newUIWithSession("phone", summarySession{hasVault: true})
		u.vaultPath.SetText("/vaults/family.kdbx")
		u.recentVaultGroups["/vaults/family.kdbx"] = []string{"Root", "Internet"}

		got := u.currentVaultSummary()
		want := vaultSummary{
			Title:   "family.kdbx",
			Detail:  "/vaults/family.kdbx",
			Context: "Resume in: Root / Internet",
		}
		if got != want {
			t.Fatalf("currentVaultSummary() = %#v, want %#v", got, want)
		}
	})

	t.Run("remote", func(t *testing.T) {
		t.Parallel()

		u := newUIWithSession("phone", summarySession{hasVault: true, remote: true})
		u.remoteBaseURL.SetText("https://dav.example.com")
		u.remotePath.SetText("vaults/home.kdbx")
		u.recentRemotes = []recentRemoteRecord{{
			BaseURL:   "https://dav.example.com",
			Path:      "vaults/home.kdbx",
			LastGroup: []string{"Root", "Shared"},
		}}

		got := u.currentVaultSummary()
		want := vaultSummary{
			Title:   "home.kdbx · dav.example.com",
			Detail:  "https://dav.example.com",
			Context: "Resume in: Root / Shared",
		}
		if got != want {
			t.Fatalf("currentVaultSummary() = %#v, want %#v", got, want)
		}
	})
}

func TestUIClearingSearchResetsToCurrentSectionListing(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Templates: []vault.Entry{
			{ID: "tpl-1", Title: "Website Login", Path: []string{"Templates", "Web"}},
			{ID: "tpl-2", Title: "Email Login", Path: []string{"Templates", "Web"}},
			{ID: "tpl-3", Title: "SSH Login", Path: []string{"Templates", "Infra"}},
		},
	})

	u.showTemplatesSection()
	u.state.NavigateToPath([]string{"Templates", "Web"})
	u.search.SetText("ssh")
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"SSH Login"}) {
		t.Fatalf("filteredTitles() with search = %v, want [SSH Login]", got)
	}

	u.search.SetText("")
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Email Login", "Website Login"}) {
		t.Fatalf("filteredTitles() after clearing search = %v, want [Email Login Website Login]", got)
	}
}

func TestUIRunBackgroundActionIgnoresDuplicateWhileLoading(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	started := make(chan struct{})
	release := make(chan struct{})
	runs := 0

	u.runBackgroundAction("open vault", func() (func() error, error) {
		runs++
		close(started)
		<-release
		return func() error { return nil }, nil
	})
	<-started

	u.runBackgroundAction("open vault", func() (func() error, error) {
		runs++
		return func() error { return nil }, nil
	})

	if runs != 1 {
		t.Fatalf("background runs = %d, want 1", runs)
	}
	if got := u.loadingMessage; got != "Open vault..." {
		t.Fatalf("loadingMessage = %q, want %q", got, "Open vault...")
	}

	close(release)
	result := waitForBackgroundResult(t, u)
	u.applyBackgroundResult(result)
	if got := u.loadingMessage; got != "" {
		t.Fatalf("loadingMessage after apply = %q, want empty", got)
	}
}

func TestUICancelLifecycleBusyStateIgnoresLateResultAndKeepsRetryAvailable(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.vaultPath.SetText("/tmp/example.kdbx")
	u.lastLifecycleAction = "open vault"

	started := make(chan struct{})
	release := make(chan struct{})
	u.runBackgroundAction("open vault", func() (func() error, error) {
		close(started)
		<-release
		return func() error {
			u.state.StatusMessage = "should not apply"
			return nil
		}, nil
	})
	<-started

	u.cancelLifecycleBusyState()
	if got := u.loadingMessage; got != "" {
		t.Fatalf("loadingMessage after cancel = %q, want empty", got)
	}
	if got := u.activeBackgroundAction; got != 0 {
		t.Fatalf("activeBackgroundAction after cancel = %d, want 0", got)
	}
	if !u.requestMasterPassFocus {
		t.Fatal("requestMasterPassFocus after cancel = false, want true")
	}

	close(release)
	result := waitForBackgroundResult(t, u)
	u.applyBackgroundResult(result)

	if got := u.state.StatusMessage; got != "" {
		t.Fatalf("StatusMessage after stale apply = %q, want empty", got)
	}
	if got := u.lastLifecycleAction; got != "open vault" {
		t.Fatalf("lastLifecycleAction after cancel = %q, want open vault", got)
	}
}

func TestUIChildGroupsComeFromVaultModel(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "1", Title: "Bellagio", Path: []string{"Crew", "Internet"}},
			{ID: "2", Title: "Surveillance Console", Path: []string{"Crew", "Home Assistant"}},
			{ID: "3", Title: "Alma (WA Prep)", Path: []string{"Tricia", "School"}},
		},
	})

	u.state.NavigateToPath([]string{"Crew"})
	if got := u.childGroups(); !slices.Equal(got, []string{"Home Assistant", "Internet"}) {
		t.Fatalf("childGroups() = %v, want [Home Assistant Internet]", got)
	}
}

func TestUIAPITokenLifecycleManagement(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}

	u.showAPITokensSection()
	u.apiTokenName.SetText("Browser Extension")
	u.apiTokenClientName.SetText("firefox")
	u.apiTokenExpiresAt.SetText("2026-04-01T15:04:05Z")

	if err := u.issueAPITokenAction(); err != nil {
		t.Fatalf("issueAPITokenAction() error = %v", err)
	}
	if strings.TrimSpace(u.apiTokenSecret) == "" {
		t.Fatal("apiTokenSecret = empty, want one-time secret")
	}

	tokens := u.apiTokens()
	if len(tokens) != 1 {
		t.Fatalf("len(apiTokens()) = %d, want 1", len(tokens))
	}
	if tokens[0].Name != "Browser Extension" || tokens[0].ClientName != "firefox" {
		t.Fatalf("issued token = %#v, want Browser Extension/firefox", tokens[0])
	}

	if err := u.rotateAPITokenAction(); err != nil {
		t.Fatalf("rotateAPITokenAction() error = %v", err)
	}
	if strings.TrimSpace(u.apiTokenSecret) == "" {
		t.Fatal("apiTokenSecret after rotate = empty, want one-time secret")
	}

	if err := u.disableAPITokenAction(); err != nil {
		t.Fatalf("disableAPITokenAction() error = %v", err)
	}
	disabled, ok := u.selectedAPIToken()
	if !ok || !disabled.Disabled {
		t.Fatalf("selectedAPIToken() = %#v, want disabled token", disabled)
	}
}

func TestUIAPITokenPolicyRulesCanBeAddedAndRemoved(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}

	u.showAPITokensSection()
	u.apiTokenName.SetText("CLI")
	u.apiTokenClientName.SetText("grpc-cli")
	if err := u.issueAPITokenAction(); err != nil {
		t.Fatalf("issueAPITokenAction() error = %v", err)
	}

	u.apiPolicyOperation.SetText(string(apitokens.OperationListEntries))
	u.apiPolicyPath.SetText("Root / Internet")
	u.apiPolicyAllow.Value = true
	u.apiPolicyGroupScopeW.Value = true
	if err := u.addAPIPolicyRuleAction(); err != nil {
		t.Fatalf("addAPIPolicyRuleAction() error = %v", err)
	}

	token, ok := u.selectedAPIToken()
	if !ok || len(token.Policies) != 1 {
		t.Fatalf("selectedAPIToken().Policies = %#v, want 1 rule", token.Policies)
	}
	if token.Policies[0].Resource.Kind != apitokens.ResourceGroup {
		t.Fatalf("rule kind = %q, want group", token.Policies[0].Resource.Kind)
	}

	if err := u.removeAPIPolicyRuleAction(0); err != nil {
		t.Fatalf("removeAPIPolicyRuleAction() error = %v", err)
	}
	token, ok = u.selectedAPIToken()
	if !ok || len(token.Policies) != 0 {
		t.Fatalf("selectedAPIToken().Policies after remove = %#v, want empty", token.Policies)
	}
}

func TestAPITokenStatusSummary(t *testing.T) {
	t.Parallel()

	expiresAt := time.Date(2026, 4, 1, 15, 4, 5, 0, time.UTC)
	revokedAt := time.Date(2026, 4, 2, 12, 0, 0, 0, time.UTC)
	tests := []struct {
		name  string
		token apitokens.Token
		want  string
	}{
		{
			name:  "active non expiring",
			token: apitokens.Token{},
			want:  "Active · No expiration · 0 policy rules",
		},
		{
			name: "disabled expiring single rule",
			token: apitokens.Token{
				Disabled:  true,
				ExpiresAt: &expiresAt,
				Policies:  []apitokens.PolicyRule{{}},
			},
			want: "Disabled · Expires " + expiresAt.Local().Format(time.RFC3339) + " · 1 policy rule",
		},
		{
			name: "revoked overrides disabled",
			token: apitokens.Token{
				Disabled:  true,
				RevokedAt: &revokedAt,
				Policies:  []apitokens.PolicyRule{{}, {}},
			},
			want: "Revoked · No expiration · 2 policy rules",
		},
	}

	for _, tt := range tests {
		tt := tt
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			if got := apiTokenStatusSummary(tt.token); got != tt.want {
				t.Fatalf("apiTokenStatusSummary(%#v) = %q, want %q", tt.token, got, tt.want)
			}
		})
	}
}

func TestAPITokenManagementSummaryText(t *testing.T) {
	t.Parallel()

	token := apitokens.Token{
		Name:       "Browser Extension",
		ClientName: "firefox",
	}

	if got := apiTokenManagementTitle(apitokens.Token{}, false); got != "Issue API Token" {
		t.Fatalf("apiTokenManagementTitle(no selection) = %q, want %q", got, "Issue API Token")
	}
	if got := apiTokenManagementTitle(token, true); got != "Browser Extension" {
		t.Fatalf("apiTokenManagementTitle(%#v) = %q, want %q", token, got, "Browser Extension")
	}
	if got := apiTokenManagementSubtitle(apitokens.Token{}, false); got != "Create a scoped gRPC credential, then select it here to inspect identity, lifecycle, and policy rules." {
		t.Fatalf("apiTokenManagementSubtitle(no selection) = %q, want default management guidance", got)
	}
	if got := apiTokenManagementSubtitle(token, true); got != "firefox · Active · No expiration · 0 policy rules" {
		t.Fatalf("apiTokenManagementSubtitle(%#v) = %q, want %q", token, got, "firefox · Active · No expiration · 0 policy rules")
	}
}

func TestPolicyRulePartsFormatsGroupAndEntryResources(t *testing.T) {
	t.Parallel()

	groupRule := apitokens.PolicyRule{
		Effect:    apitokens.EffectAllow,
		Operation: apitokens.OperationListEntries,
		Resource: apitokens.Resource{
			Kind: apitokens.ResourceGroup,
			Path: []string{"Root", "Internet"},
		},
	}
	entryRule := apitokens.PolicyRule{
		Effect:    apitokens.EffectDeny,
		Operation: apitokens.OperationCopyPassword,
		Resource: apitokens.Resource{
			Kind:    apitokens.ResourceEntry,
			EntryID: "vault-console",
		},
	}

	if effect, operation, resource := policyRuleParts(groupRule); effect != "ALLOW" || operation != string(apitokens.OperationListEntries) || resource != "Root / Internet" {
		t.Fatalf("policyRuleParts(groupRule) = (%q, %q, %q), want (%q, %q, %q)", effect, operation, resource, "ALLOW", apitokens.OperationListEntries, "Root / Internet")
	}
	if effect, operation, resource := policyRuleParts(entryRule); effect != "DENY" || operation != string(apitokens.OperationCopyPassword) || resource != "Entry: vault-console" {
		t.Fatalf("policyRuleParts(entryRule) = (%q, %q, %q), want (%q, %q, %q)", effect, operation, resource, "DENY", apitokens.OperationCopyPassword, "Entry: vault-console")
	}
}

func TestUIAPITokenDetailPanelHandlesMissingRemoveClickables(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}

	u.showAPITokensSection()
	u.apiTokenName.SetText("CLI")
	u.apiTokenClientName.SetText("grpc-cli")
	if err := u.issueAPITokenAction(); err != nil {
		t.Fatalf("issueAPITokenAction() error = %v", err)
	}
	u.apiPolicyOperation.SetText(string(apitokens.OperationListEntries))
	u.apiPolicyPath.SetText("Crew / codex")
	u.apiPolicyAllow.Value = true
	u.apiPolicyGroupScopeW.Value = true
	if err := u.addAPIPolicyRuleAction(); err != nil {
		t.Fatalf("addAPIPolicyRuleAction() error = %v", err)
	}

	u.apiPolicyRemoves = nil
	ops := new(op.Ops)
	gtx := layout.Context{
		Ops:         ops,
		Constraints: layout.Exact(image.Pt(800, 600)),
	}
	defer func() {
		if r := recover(); r != nil {
			t.Fatalf("apiTokenDetailPanel() panicked: %v", r)
		}
	}()

	_ = u.apiTokenDetailPanel(gtx)
}

func TestUIAPITokenDetailPanelResizesPolicyRemoveClickablesAcrossTokenSelection(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}

	u.showAPITokensSection()
	u.apiTokenName.SetText("CLI One")
	u.apiTokenClientName.SetText("grpc-cli-1")
	if err := u.issueAPITokenAction(); err != nil {
		t.Fatalf("issueAPITokenAction() error = %v", err)
	}
	firstID := u.state.SelectedEntryID
	u.apiPolicyOperation.SetText(string(apitokens.OperationListEntries))
	u.apiPolicyPath.SetText("Crew / codex")
	u.apiPolicyAllow.Value = true
	u.apiPolicyGroupScopeW.Value = true
	if err := u.addAPIPolicyRuleAction(); err != nil {
		t.Fatalf("addAPIPolicyRuleAction() error = %v", err)
	}

	u.apiTokenName.SetText("CLI Two")
	u.apiTokenClientName.SetText("grpc-cli-2")
	if err := u.issueAPITokenAction(); err != nil {
		t.Fatalf("issueAPITokenAction() error = %v", err)
	}
	secondID := u.state.SelectedEntryID

	ops := new(op.Ops)
	gtx := layout.Context{
		Ops:         ops,
		Constraints: layout.Exact(image.Pt(800, 600)),
	}
	defer func() {
		if r := recover(); r != nil {
			t.Fatalf("apiTokenDetailPanel() panicked after token switch: %v", r)
		}
	}()

	u.state.SelectedEntryID = secondID
	u.loadSelectedAPITokenIntoEditor()
	if len(u.apiPolicyRemoves) != 0 {
		t.Fatalf("len(apiPolicyRemoves) after selecting token without policies = %d, want 0", len(u.apiPolicyRemoves))
	}
	_ = u.apiTokenDetailPanel(gtx)

	u.state.SelectedEntryID = firstID
	u.loadSelectedAPITokenIntoEditor()
	if len(u.apiPolicyRemoves) != 1 {
		t.Fatalf("len(apiPolicyRemoves) after reselecting token with policy = %d, want 1", len(u.apiPolicyRemoves))
	}
	_ = u.apiTokenDetailPanel(gtx)
}

func TestUILifecycleScreenWithSelectedRecentVaultDoesNotPanic(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	paths := statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		RecentVaultsPath:  filepath.Join(dir, "recent-vaults.json"),
		RecentRemotesPath: filepath.Join(dir, "recent-remotes.json"),
		SettingsPath:      filepath.Join(dir, "settings.json"),
		UIPreferencesPath: filepath.Join(dir, "ui-prefs.json"),
		AutofillCachePath: filepath.Join(dir, "autofill-cache.json"),
	}

	first := newUIWithSession("phone", &session.Manager{}, paths)
	first.noteRecentVault("/sdcard/Download/sample-vault.kdbx")

	u := newUIWithSession("phone", &session.Manager{}, paths)
	ops := new(op.Ops)
	gtx := layout.Context{
		Ops:         ops,
		Constraints: layout.Exact(image.Pt(1080, 2400)),
	}
	defer func() {
		if r := recover(); r != nil {
			t.Fatalf("layout() panicked with selected startup vault: %v", r)
		}
	}()

	_ = u.layout(gtx)
}

func TestUILifecycleControlsWithSelectedRecentVaultDoesNotPanic(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	paths := statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		RecentVaultsPath:  filepath.Join(dir, "recent-vaults.json"),
		RecentRemotesPath: filepath.Join(dir, "recent-remotes.json"),
		SettingsPath:      filepath.Join(dir, "settings.json"),
		UIPreferencesPath: filepath.Join(dir, "ui-prefs.json"),
		AutofillCachePath: filepath.Join(dir, "autofill-cache.json"),
	}

	first := newUIWithSession("phone", &session.Manager{}, paths)
	first.noteRecentVault("/sdcard/Download/sample-vault.kdbx")

	u := newUIWithSession("phone", &session.Manager{}, paths)
	ops := new(op.Ops)
	gtx := layout.Context{
		Ops:         ops,
		Constraints: layout.Exact(image.Pt(1080, 2000)),
	}
	defer func() {
		if r := recover(); r != nil {
			t.Fatalf("lifecycleControls() panicked with selected startup vault: %v", r)
		}
	}()

	_ = u.lifecycleControls(gtx)
}

func TestUIRecentVaultListWithSelectedRecentVaultDoesNotPanic(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	paths := statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		RecentVaultsPath:  filepath.Join(dir, "recent-vaults.json"),
		RecentRemotesPath: filepath.Join(dir, "recent-remotes.json"),
		SettingsPath:      filepath.Join(dir, "settings.json"),
		UIPreferencesPath: filepath.Join(dir, "ui-prefs.json"),
		AutofillCachePath: filepath.Join(dir, "autofill-cache.json"),
	}

	first := newUIWithSession("phone", &session.Manager{}, paths)
	first.noteRecentVault("/sdcard/Download/sample-vault.kdbx")

	u := newUIWithSession("phone", &session.Manager{}, paths)
	ops := new(op.Ops)
	gtx := layout.Context{
		Ops:         ops,
		Constraints: layout.Exact(image.Pt(1080, 800)),
	}
	defer func() {
		if r := recover(); r != nil {
			t.Fatalf("recentVaultList() panicked with selected startup vault: %v", r)
		}
	}()

	_ = u.recentVaultList(gtx)
}

func TestUIPhoneGroupBarWithChildGroupsDoesNotPanic(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("phone", vault.Model{
		Groups: [][]string{
			{"Crew"},
			{"Crew", "Internet"},
			{"Crew", "eMail"},
		},
	})
	u.setCurrentPath([]string{"Crew"})

	ops := new(op.Ops)
	gtx := layout.Context{
		Ops:         ops,
		Constraints: layout.Exact(image.Pt(1080, 700)),
	}
	defer func() {
		if r := recover(); r != nil {
			t.Fatalf("groupBar() panicked on phone with child groups: %v", r)
		}
	}()

	_ = u.groupBar(gtx)
}

func TestUIPhoneGroupBrowserStartsExpandedAtRootAndCollapsesInVisibleSubgroups(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("phone", vault.Model{
		Groups: [][]string{
			{"Crew"},
			{"Crew", "Internet"},
		},
	})

	u.setCurrentPath(nil)
	if !u.phoneGroupBrowserExpanded {
		t.Fatal("phoneGroupBrowserExpanded = false at root, want true")
	}

	u.setCurrentPath([]string{"Crew", "Internet"})
	if u.phoneGroupBrowserExpanded {
		t.Fatal("phoneGroupBrowserExpanded = true inside visible subgroup, want false")
	}
}

func TestUIPhoneGroupBrowserToggleDoesNotChangeCurrentGroupToolsState(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("phone", vault.Model{
		Groups: [][]string{
			{"Crew"},
			{"Crew", "Internet"},
		},
	})
	u.groupControlsHidden = true
	u.setCurrentPath([]string{"Crew"})
	u.phoneGroupBrowserExpanded = false
	u.phoneGroupBrowserExpanded = !u.phoneGroupBrowserExpanded

	if !u.groupControlsHidden {
		t.Fatal("groupControlsHidden = false, want phone group browser toggle to stay independent")
	}
}

func TestUIPhoneStartsWithGroupToolsCollapsed(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("phone", &session.Manager{}, statePaths{
		DefaultSaveAsPath: filepath.Join(t.TempDir(), "default-save-path.kdbx"),
		RecentVaultsPath:  filepath.Join(t.TempDir(), "recent-vaults.json"),
		RecentRemotesPath: filepath.Join(t.TempDir(), "recent-remotes.json"),
		UIPreferencesPath: filepath.Join(t.TempDir(), "ui-preferences.json"),
	})
	if !u.groupControlsHidden {
		t.Fatal("groupControlsHidden = false, want phone Group Tools collapsed by default")
	}
}

func TestUIPhoneListPanelWithExpandedGroupControlsAndEntriesDoesNotPanic(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("phone", vault.Model{
		Groups: [][]string{
			{"Crew"},
			{"Crew", "Internet"},
			{"Crew", "eMail"},
		},
		Entries: []vault.Entry{
			{ID: "amazon", Title: "Amazon", Username: "joe", Path: []string{"Crew", "Internet"}},
			{ID: "mail", Title: "Mail", Username: "joe", Path: []string{"Crew", "eMail"}},
		},
	})
	u.groupControlsHidden = false
	u.setCurrentPath([]string{"Crew"})
	u.filter()

	ops := new(op.Ops)
	gtx := layout.Context{
		Ops:         ops,
		Constraints: layout.Exact(image.Pt(1080, 900)),
	}
	defer func() {
		if r := recover(); r != nil {
			t.Fatalf("listPanel() panicked on phone with groups, controls, and entries: %v", r)
		}
	}()

	_ = u.listPanel(gtx)
}

func TestUIPhoneBackReturnsFromSubscreenToEntries(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("phone", vault.Model{
		Entries: []vault.Entry{{ID: "entry-1", Title: "Vault Console", Path: []string{"Root", "Internet"}}},
	})
	u.showAPITokensSection()

	if !u.handlePhoneBack() {
		t.Fatal("handlePhoneBack() = false, want true for phone subsection")
	}
	if u.state.Section != appstate.SectionEntries {
		t.Fatalf("state.Section = %q, want entries", u.state.Section)
	}
}

func TestUISecurityDialogContentDoesNotPanicWithSmallViewport(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("phone", vault.Model{})
	u.securityDialogOpen = true
	ops := new(op.Ops)
	gtx := layout.Context{
		Ops:         ops,
		Constraints: layout.Exact(image.Pt(540, 420)),
	}
	defer func() {
		if r := recover(); r != nil {
			t.Fatalf("securityDialogContent() panicked in small viewport: %v", r)
		}
	}()

	_ = u.securityDialogContent(gtx)
}

func TestUIAPIAuditSectionShowsRecordedEvents(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.auditLog = apiaudit.New(10)
	u.auditLog.Record(apiaudit.Event{
		Type:       apiaudit.EventApprovalAllowed,
		TokenName:  "Browser Extension",
		ClientName: "firefox",
		Message:    "approved",
	})

	u.showAPIAuditSection()
	events := u.apiAuditEvents()
	if len(events) != 1 {
		t.Fatalf("len(apiAuditEvents()) = %d, want 1", len(events))
	}
	if events[0].TokenName != "Browser Extension" {
		t.Fatalf("apiAuditEvents()[0].TokenName = %q, want %q", events[0].TokenName, "Browser Extension")
	}
}

func TestUIAPIAuditEventsMatchFriendlyQuickFilters(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.auditLog = apiaudit.New(10)
	u.auditLog.Record(apiaudit.Event{
		Type:      apiaudit.EventApprovalAllowed,
		TokenName: "Browser Extension",
		Operation: apitokens.OperationCopyPassword,
		Message:   "approved",
	})
	u.auditLog.Record(apiaudit.Event{
		Type:      apiaudit.EventApprovalDenied,
		TokenName: "CLI",
		Operation: apitokens.OperationListEntries,
		Message:   "denied",
	})

	u.showAPIAuditSection()

	u.search.SetText("Allowed")
	if got := u.apiAuditEvents(); len(got) != 1 || got[0].Type != apiaudit.EventApprovalAllowed {
		t.Fatalf("apiAuditEvents() with Allowed = %#v, want allowed event", got)
	}

	u.search.SetText("copy password")
	if got := u.apiAuditEvents(); len(got) != 1 || got[0].Operation != apitokens.OperationCopyPassword {
		t.Fatalf("apiAuditEvents() with copy password = %#v, want copy_password event", got)
	}

	u.search.SetText("CLI")
	if got := u.apiAuditEvents(); len(got) != 1 || got[0].TokenName != "CLI" {
		t.Fatalf("apiAuditEvents() with CLI = %#v, want CLI token event", got)
	}
}

func TestUIAPIAuditMessagesGuideQuickFilters(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.showAPIAuditSection()

	if got := u.listEmptyState(); got.Title != "No API audit events yet" || got.Body != "Connect a trusted client, respond to approval prompts, or issue a token to start recording activity." {
		t.Fatalf("listEmptyState() = %#v, want updated API audit guidance", got)
	}
	if got := u.detailPlaceholderMessage(); got != "Select an audit event to inspect it, or use Search vault or the quick filters above." {
		t.Fatalf("detailPlaceholderMessage() = %q, want quick-filter guidance", got)
	}

	u.search.SetText("allowed")
	if got := u.listEmptyState(); got.Title != "No matching audit events" || got.Body != `No audit events match "allowed". Clear the search or try a different quick filter.` {
		t.Fatalf("listEmptyState() with search = %#v, want quick-filter empty-state guidance", got)
	}
}

func TestUILifecycleSecuritySettingsSummaryMovesAdvancedFieldsOutOfOpenFlow(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	if got := u.lifecycleSecuritySettingsSummary(); got != "Cipher and KDF now live in Vault Settings so opening and creating a vault stays focused on the file, key material, and sync choices." {
		t.Fatalf("lifecycleSecuritySettingsSummary() = %q, want focused lifecycle guidance", got)
	}
}

func TestUISelectedEntryFollowsApplicationStateSelection(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "1", Title: "Bellagio", Path: []string{"Crew", "Internet"}},
			{ID: "2", Title: "Vault Console", Path: []string{"Crew", "Internet"}},
		},
	})

	u.state.NavigateToPath([]string{"Crew", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "2"

	got, ok := u.selectedEntry()
	if !ok {
		t.Fatal("selectedEntry() ok = false, want true")
	}

	if got.Title != "Vault Console" {
		t.Fatalf("selectedEntry().Title = %q, want %q", got.Title, "Vault Console")
	}
}

func TestUILockHidesVisibleEntries(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "1", Title: "Bellagio", Path: []string{"Crew", "Internet"}},
		},
	})

	if err := u.state.Lock(); err != nil {
		t.Fatalf("state.Lock() error = %v", err)
	}
	u.filter()

	if got := u.filteredTitles(); len(got) != 0 {
		t.Fatalf("filteredTitles() = %v, want empty while locked", got)
	}
}

func TestUILifecycleActionsCreateSaveOpenLockAndUnlockLocalVault(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")

	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}
	if got := u.masterPassword.Text(); got != "" {
		t.Fatalf("masterPassword after create = %q, want empty", got)
	}
	if err := u.state.UpsertEntry(vault.Entry{
		ID:       "vault-console",
		Title:    "Vault Console",
		Username: "dannyocean",
		Password: "token-1",
		URL:      "https://vault.crew.example.invalid",
		Path:     []string{"Root", "Internet"},
	}); err != nil {
		t.Fatalf("UpsertEntry() error = %v", err)
	}

	path := filepath.Join(t.TempDir(), "keepassgo.kdbx")
	u.saveAsPath.SetText(path)
	if err := u.saveAsAction(); err != nil {
		t.Fatalf("saveAsAction() error = %v", err)
	}

	if err := u.lockAction(); err != nil {
		t.Fatalf("lockAction() error = %v", err)
	}
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	if got := u.filteredTitles(); len(got) != 0 {
		t.Fatalf("filteredTitles() = %v, want empty while locked", got)
	}

	u.masterPassword.SetText("correct horse battery staple")
	if err := u.unlockAction(); err != nil {
		t.Fatalf("unlockAction() error = %v", err)
	}
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Vault Console"}) {
		t.Fatalf("filteredTitles() after unlock = %v, want [Vault Console]", got)
	}

	reopened := newUIWithSession("desktop", &session.Manager{})
	reopened.masterPassword.SetText("correct horse battery staple")
	reopened.vaultPath.SetText(path)
	if err := reopened.openVaultAction(); err != nil {
		t.Fatalf("openVaultAction() error = %v", err)
	}
	if got := reopened.masterPassword.Text(); got != "" {
		t.Fatalf("masterPassword after open = %q, want empty", got)
	}
	reopened.state.NavigateToPath([]string{"Root", "Internet"})
	reopened.filter()
	if got := reopened.filteredTitles(); !slices.Equal(got, []string{"Vault Console"}) {
		t.Fatalf("reopened filteredTitles() = %v, want [Vault Console]", got)
	}
}

func TestUICreateVaultUsesSelectedSecuritySettings(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.securityCipher.SetText(vault.CipherAES256)
	u.securityKDF.SetText(vault.KDFAES)
	u.masterPassword.SetText("correct horse battery staple")

	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}

	path := filepath.Join(t.TempDir(), "secure.kdbx")
	u.saveAsPath.SetText(path)
	if err := u.saveAsAction(); err != nil {
		t.Fatalf("saveAsAction() error = %v", err)
	}

	var reopened session.Manager
	if err := reopened.Open(path, vault.MasterKey{Password: "correct horse battery staple"}); err != nil {
		t.Fatalf("Open() error = %v", err)
	}
	got := reopened.SecuritySettings()
	if got.Cipher != vault.CipherAES256 || got.KDF != vault.KDFAES {
		t.Fatalf("SecuritySettings() = %#v, want aes256/aes-kdf", got)
	}
}

func TestUISaveSecuritySettingsUpdatesExistingVault(t *testing.T) {
	t.Parallel()

	manager := &session.Manager{}
	u := newUIWithSession("desktop", manager)
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}
	u.securityCipher.SetText(vault.CipherAES256)
	u.securityKDF.SetText(vault.KDFAES)
	if err := u.saveSecuritySettingsAction(); err != nil {
		t.Fatalf("saveSecuritySettingsAction() error = %v", err)
	}

	path := filepath.Join(t.TempDir(), "updated-secure.kdbx")
	u.saveAsPath.SetText(path)
	if err := u.saveAsAction(); err != nil {
		t.Fatalf("saveAsAction() error = %v", err)
	}

	var reopened session.Manager
	if err := reopened.Open(path, vault.MasterKey{Password: "correct horse battery staple"}); err != nil {
		t.Fatalf("Open() error = %v", err)
	}
	got := reopened.SecuritySettings()
	if got.Cipher != vault.CipherAES256 || got.KDF != vault.KDFAES {
		t.Fatalf("SecuritySettings() = %#v, want aes256/aes-kdf", got)
	}
}

func TestUISaveSettingsPersistsUIPreferences(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	configPath := filepath.Join(dir, "ui-prefs.json")

	u := newUIWithSession("desktop", &session.Manager{}, statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		RecentVaultsPath:  filepath.Join(dir, "recent-vaults.json"),
		RecentRemotesPath: filepath.Join(dir, "recent-remotes.json"),
		UIPreferencesPath: configPath,
	})
	u.settingsGroupControls.Value = true
	u.settingsLifecycleAdvanced.Value = false
	u.settingsHistory.Value = false
	u.settingsDenseLayout.Value = true

	if err := u.saveSecuritySettingsAction(); err != nil {
		t.Fatalf("saveSecuritySettingsAction() error = %v", err)
	}

	reloaded := newUIWithSession("desktop", &session.Manager{}, statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		RecentVaultsPath:  filepath.Join(dir, "recent-vaults.json"),
		RecentRemotesPath: filepath.Join(dir, "recent-remotes.json"),
		UIPreferencesPath: configPath,
	})

	if !reloaded.groupControlsHidden {
		t.Fatal("groupControlsHidden after reload = false, want true")
	}
	if reloaded.lifecycleAdvancedHidden {
		t.Fatal("lifecycleAdvancedHidden after reload = true, want false")
	}
	if reloaded.historyHidden {
		t.Fatal("historyHidden after reload = true, want false")
	}
	if !reloaded.denseLayout {
		t.Fatal("denseLayout after reload = false, want true")
	}
}

func TestUILockAndUnlockClearMasterPasswordField(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}

	u.masterPassword.SetText("should-be-cleared")
	if err := u.lockAction(); err != nil {
		t.Fatalf("lockAction() error = %v", err)
	}
	if got := u.masterPassword.Text(); got != "" {
		t.Fatalf("masterPassword after lock = %q, want empty", got)
	}

	u.masterPassword.SetText("correct horse battery staple")
	if err := u.unlockAction(); err != nil {
		t.Fatalf("unlockAction() error = %v", err)
	}
	if got := u.masterPassword.Text(); got != "" {
		t.Fatalf("masterPassword after unlock = %q, want empty", got)
	}
}

func TestUIMasterKeyModesCreateOpenAndUnlockLocalVault(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name        string
		mode        vault.MasterKeyMode
		password    string
		keyFileData []byte
	}{
		{
			name:     "password only",
			mode:     vault.MasterKeyModePasswordOnly,
			password: "correct horse battery staple",
		},
		{
			name:        "key file only",
			mode:        vault.MasterKeyModeKeyFileOnly,
			keyFileData: []byte("key-file-only-material"),
		},
		{
			name:        "composite",
			mode:        vault.MasterKeyModePasswordAndKeyFile,
			password:    "correct horse battery staple",
			keyFileData: []byte("composite-key-material"),
		},
	}

	for _, tt := range tests {
		tt := tt
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			keyFile := ""
			if len(tt.keyFileData) > 0 {
				keyFile = filepath.Join(t.TempDir(), "master.key")
				if err := os.WriteFile(keyFile, tt.keyFileData, 0o600); err != nil {
					t.Fatalf("WriteFile(master.key) error = %v", err)
				}
			}

			u := newUIWithSession("desktop", &session.Manager{})
			u.setMasterKeyMode(tt.mode)
			u.masterPassword.SetText(tt.password)
			u.keyFilePath.SetText(keyFile)

			if err := u.createVaultAction(); err != nil {
				t.Fatalf("createVaultAction() error = %v", err)
			}
			if err := u.state.UpsertEntry(vault.Entry{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			}); err != nil {
				t.Fatalf("UpsertEntry() error = %v", err)
			}

			path := filepath.Join(t.TempDir(), "keepassgo.kdbx")
			u.saveAsPath.SetText(path)
			if err := u.saveAsAction(); err != nil {
				t.Fatalf("saveAsAction() error = %v", err)
			}

			if err := u.lockAction(); err != nil {
				t.Fatalf("lockAction() error = %v", err)
			}
			u.masterPassword.SetText(tt.password)
			u.keyFilePath.SetText(keyFile)
			if err := u.unlockAction(); err != nil {
				t.Fatalf("unlockAction() error = %v", err)
			}

			reopened := newUIWithSession("desktop", &session.Manager{})
			reopened.setMasterKeyMode(tt.mode)
			reopened.masterPassword.SetText(tt.password)
			reopened.keyFilePath.SetText(keyFile)
			reopened.vaultPath.SetText(path)
			if err := reopened.openVaultAction(); err != nil {
				t.Fatalf("openVaultAction() error = %v", err)
			}
			reopened.state.NavigateToPath([]string{"Root", "Internet"})
			reopened.filter()
			if got := reopened.filteredTitles(); !slices.Equal(got, []string{"Vault Console"}) {
				t.Fatalf("reopened filteredTitles() = %v, want [Vault Console]", got)
			}
		})
	}
}

func TestUIChangeMasterKeyModeForExistingVault(t *testing.T) {
	t.Parallel()

	updated := filepath.Join(t.TempDir(), "updated.key")
	if err := os.WriteFile(updated, []byte("updated-key"), 0o600); err != nil {
		t.Fatalf("WriteFile(updated.key) error = %v", err)
	}

	u := newUIWithSession("desktop", &session.Manager{})
	u.setMasterKeyMode(vault.MasterKeyModePasswordOnly)
	u.masterPassword.SetText("old-password")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}
	if err := u.state.UpsertEntry(vault.Entry{
		ID:    "vault-console",
		Title: "Vault Console",
		Path:  []string{"Root", "Internet"},
	}); err != nil {
		t.Fatalf("UpsertEntry() error = %v", err)
	}

	path := filepath.Join(t.TempDir(), "keepassgo.kdbx")
	u.saveAsPath.SetText(path)
	if err := u.saveAsAction(); err != nil {
		t.Fatalf("saveAsAction() error = %v", err)
	}

	u.setMasterKeyMode(vault.MasterKeyModePasswordAndKeyFile)
	u.masterPassword.SetText("new-password")
	u.keyFilePath.SetText(updated)
	if err := u.changeMasterKeyAction(); err != nil {
		t.Fatalf("changeMasterKeyAction() error = %v", err)
	}
	if err := u.saveAction(); err != nil {
		t.Fatalf("saveAction() error = %v", err)
	}
	if err := u.lockAction(); err != nil {
		t.Fatalf("lockAction() error = %v", err)
	}

	u.masterPassword.SetText("old-password")
	u.keyFilePath.SetText("")
	u.setMasterKeyMode(vault.MasterKeyModePasswordOnly)
	u.runAction("unlock vault", u.unlockAction)
	if u.state.ErrorMessage == "" {
		t.Fatal("state.ErrorMessage = empty, want visible invalid master key error")
	}

	u.setMasterKeyMode(vault.MasterKeyModePasswordAndKeyFile)
	u.masterPassword.SetText("new-password")
	u.keyFilePath.SetText(updated)
	if err := u.unlockAction(); err != nil {
		t.Fatalf("unlockAction() with updated key error = %v", err)
	}

	reopened := newUIWithSession("desktop", &session.Manager{})
	reopened.setMasterKeyMode(vault.MasterKeyModePasswordAndKeyFile)
	reopened.masterPassword.SetText("new-password")
	reopened.keyFilePath.SetText(updated)
	reopened.vaultPath.SetText(path)
	if err := reopened.openVaultAction(); err != nil {
		t.Fatalf("openVaultAction() with updated key error = %v", err)
	}
	reopened.state.NavigateToPath([]string{"Root", "Internet"})
	reopened.filter()
	if got := reopened.filteredTitles(); !slices.Equal(got, []string{"Vault Console"}) {
		t.Fatalf("reopened filteredTitles() = %v, want [Vault Console]", got)
	}
}

func TestUIMasterKeyValidationErrorsAreVisible(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name      string
		password  string
		keyFile   string
		wantError string
	}{
		{
			name:      "requires either password or key file",
			wantError: "master password or key file is required",
		},
	}

	for _, tt := range tests {
		tt := tt
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			u := newUIWithSession("desktop", &session.Manager{})
			u.masterPassword.SetText(tt.password)
			u.keyFilePath.SetText(tt.keyFile)

			u.runAction("create vault", u.createVaultAction)

			if got := u.state.ErrorMessage; got != tt.wantError {
				t.Fatalf("state.ErrorMessage = %q, want %q", got, tt.wantError)
			}
			if got := u.state.StatusMessage; got != "" {
				t.Fatalf("state.StatusMessage = %q, want empty on validation error", got)
			}
		})
	}
}

func TestUIUnreadableAndInvalidMasterKeyErrorsAreVisible(t *testing.T) {
	t.Parallel()

	keyFile := filepath.Join(t.TempDir(), "master.key")
	if err := os.WriteFile(keyFile, []byte("key-material"), 0o600); err != nil {
		t.Fatalf("WriteFile(master.key) error = %v", err)
	}

	create := newUIWithSession("desktop", &session.Manager{})
	create.setMasterKeyMode(vault.MasterKeyModeKeyFileOnly)
	create.keyFilePath.SetText(keyFile)
	if err := create.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}

	path := filepath.Join(t.TempDir(), "keepassgo.kdbx")
	create.saveAsPath.SetText(path)
	if err := create.saveAsAction(); err != nil {
		t.Fatalf("saveAsAction() error = %v", err)
	}

	unreadable := newUIWithSession("desktop", &session.Manager{})
	unreadable.setMasterKeyMode(vault.MasterKeyModeKeyFileOnly)
	unreadable.keyFilePath.SetText(filepath.Join(t.TempDir(), "missing.key"))
	unreadable.runAction("open vault", unreadable.openVaultAction)
	if got := unreadable.state.ErrorMessage; got == "" || got[:14] != "read key file:" {
		t.Fatalf("state.ErrorMessage = %q, want read key file error", got)
	}

	wrong := newUIWithSession("desktop", &session.Manager{})
	wrong.setMasterKeyMode(vault.MasterKeyModeKeyFileOnly)
	wrong.keyFilePath.SetText(filepath.Join(t.TempDir(), "wrong.key"))
	if err := os.WriteFile(wrong.keyFilePath.Text(), []byte("wrong-key"), 0o600); err != nil {
		t.Fatalf("WriteFile(wrong.key) error = %v", err)
	}
	wrong.vaultPath.SetText(path)
	wrong.runAction("open vault", wrong.openVaultAction)
	if got := wrong.state.ErrorMessage; got == "" || !bytes.Contains([]byte(got), []byte(vault.ErrInvalidMasterKey.Error())) {
		t.Fatalf("state.ErrorMessage = %q, want invalid master key error", got)
	}
}

func TestUIOpenRemoteAndSaveThroughConfiguredWebDAVTarget(t *testing.T) {
	t.Parallel()

	key := vault.MasterKey{Password: "correct horse battery staple"}
	model := vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
		},
	}

	var putCount int
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.Method {
		case http.MethodGet:
			var encoded bytes.Buffer
			if err := vault.SaveKDBXWithKey(&encoded, model, key); err != nil {
				t.Fatalf("SaveKDBXWithKey() error = %v", err)
			}
			w.Header().Set("ETag", "\"v1\"")
			_, _ = w.Write(encoded.Bytes())
		case http.MethodPut:
			putCount++
			w.Header().Set("ETag", "\"v2\"")
			w.WriteHeader(http.StatusNoContent)
		default:
			t.Fatalf("unexpected method %s", r.Method)
		}
	}))
	defer server.Close()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	u.remoteBaseURL.SetText(server.URL)
	u.remotePath.SetText("vaults/main.kdbx")

	if err := u.openRemoteAction(); err != nil {
		t.Fatalf("openRemoteAction() error = %v", err)
	}

	if err := u.state.UpsertEntry(vault.Entry{
		ID:       "vault-console",
		Title:    "Vault Console",
		Username: "dannyocean",
		Password: "token-2",
		URL:      "https://vault.crew.example.invalid",
		Path:     []string{"Root", "Internet"},
	}); err != nil {
		t.Fatalf("UpsertEntry() error = %v", err)
	}

	if err := u.saveAction(); err != nil {
		t.Fatalf("saveAction() error = %v", err)
	}

	if putCount != 1 {
		t.Fatalf("remote PUT count = %d, want 1", putCount)
	}
}

func TestUIStartOpenRemoteActionAppliesResultOnMainThread(t *testing.T) {
	t.Parallel()

	key := vault.MasterKey{Password: "correct horse battery staple"}
	model := vault.Model{
		Entries: []vault.Entry{{
			ID:       "vault-console",
			Title:    "Vault Console",
			Username: "dannyocean",
			Password: "token-1",
			URL:      "https://vault.crew.example.invalid",
			Path:     []string{"Root", "Internet"},
		}},
	}

	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.Method != http.MethodGet {
			t.Fatalf("unexpected method %s", r.Method)
		}
		var encoded bytes.Buffer
		if err := vault.SaveKDBXWithKey(&encoded, model, key); err != nil {
			t.Fatalf("SaveKDBXWithKey() error = %v", err)
		}
		w.Header().Set("ETag", "\"v1\"")
		_, _ = w.Write(encoded.Bytes())
	}))
	defer server.Close()

	manager := &session.Manager{}
	u := newUIWithSession("desktop", manager)
	u.masterPassword.SetText(key.Password)
	u.remoteBaseURL.SetText(server.URL)
	u.remotePath.SetText("vaults/main.kdbx")

	u.startOpenRemoteAction()

	if got := u.loadingMessage; got != "Open remote vault..." {
		t.Fatalf("loadingMessage after start = %q, want %q", got, "Open remote vault...")
	}
	if manager.HasVault() {
		t.Fatal("manager.HasVault() = true before remote result applied, want false")
	}

	result := waitForBackgroundResult(t, u)
	u.applyBackgroundResult(result)

	if got := u.loadingMessage; got != "" {
		t.Fatalf("loadingMessage after apply = %q, want empty", got)
	}
	if got := u.state.ErrorMessage; got != "" {
		t.Fatalf("ErrorMessage after apply = %q, want empty", got)
	}
	if !manager.HasVault() {
		t.Fatal("manager.HasVault() = false after remote result applied, want true")
	}
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Vault Console"}) {
		t.Fatalf("filteredTitles() = %v, want [Vault Console]", got)
	}
}

func TestUIOpenRemoteReportsTransportFailure(t *testing.T) {
	t.Parallel()

	server := httptest.NewServer(http.HandlerFunc(func(http.ResponseWriter, *http.Request) {}))
	url := server.URL
	server.Close()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	u.remoteBaseURL.SetText(url)
	u.remotePath.SetText("vaults/main.kdbx")

	u.runAction("open remote vault", u.openRemoteAction)

	if got := u.state.ErrorMessage; !strings.Contains(got, "open remote vault failed:") {
		t.Fatalf("state.ErrorMessage = %q, want open remote vault failure", got)
	}
	if got := u.state.StatusMessage; got != "" {
		t.Fatalf("state.StatusMessage = %q, want empty on remote open failure", got)
	}
}

func TestUIRemoteSaveConflictShowsVisibleErrorAndKeepsDirtyState(t *testing.T) {
	t.Parallel()

	key := vault.MasterKey{Password: "correct horse battery staple"}
	model := vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
		},
	}

	var putCount int
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.Method {
		case http.MethodGet:
			var encoded bytes.Buffer
			if err := vault.SaveKDBXWithKey(&encoded, model, key); err != nil {
				t.Fatalf("SaveKDBXWithKey() error = %v", err)
			}
			w.Header().Set("ETag", "\"v1\"")
			_, _ = w.Write(encoded.Bytes())
		case http.MethodPut:
			putCount++
			w.WriteHeader(http.StatusPreconditionFailed)
		default:
			t.Fatalf("unexpected method %s", r.Method)
		}
	}))
	defer server.Close()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	u.remoteBaseURL.SetText(server.URL)
	u.remotePath.SetText("vaults/main.kdbx")

	if err := u.openRemoteAction(); err != nil {
		t.Fatalf("openRemoteAction() error = %v", err)
	}
	if err := u.state.UpsertEntry(vault.Entry{
		ID:       "vault-console",
		Title:    "Vault Console",
		Username: "dannyocean",
		Password: "token-2",
		URL:      "https://vault.crew.example.invalid",
		Path:     []string{"Root", "Internet"},
	}); err != nil {
		t.Fatalf("UpsertEntry() error = %v", err)
	}

	u.runAction("save vault", u.saveAction)

	if got := u.state.ErrorMessage; got != "Save conflict: the remote vault changed. Reopen it and retry the save." {
		t.Fatalf("state.ErrorMessage = %q, want normalized save conflict guidance", got)
	}
	if got := u.state.StatusMessage; got != "" {
		t.Fatalf("state.StatusMessage = %q, want empty after remote save conflict", got)
	}
	if !u.state.Dirty {
		t.Fatal("Dirty = false, want true after remote save conflict")
	}
	if putCount != 1 {
		t.Fatalf("remote PUT count = %d, want 1", putCount)
	}
}

func TestUIAdvancedSynchronizeFromLocalMergesIntoCurrentVault(t *testing.T) {
	t.Parallel()

	key := vault.MasterKey{Password: "correct horse battery staple"}
	currentPath := filepath.Join(t.TempDir(), "current.kdbx")
	otherPath := filepath.Join(t.TempDir(), "other.kdbx")

	writeKDBXMainTestFile(t, currentPath, vault.Model{
		Entries: []vault.Entry{{
			ID:       "entry-current",
			Title:    "Vault Console",
			Username: "dannyocean",
			Password: "token-current",
			URL:      "https://vault.crew.example.invalid",
			Path:     []string{"Root", "Internet"},
		}},
	}, key)
	writeKDBXMainTestFile(t, otherPath, vault.Model{
		Entries: []vault.Entry{{
			ID:       "entry-other",
			Title:    "Bellagio",
			Username: "rustyryan",
			Password: "token-other",
			URL:      "https://bellagio.example.invalid",
			Path:     []string{"Root", "Internet"},
		}},
	}, key)

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText(key.Password)
	u.vaultPath.SetText(currentPath)
	if err := u.openVaultAction(); err != nil {
		t.Fatalf("openVaultAction() error = %v", err)
	}

	u.openAdvancedSyncDialog()
	u.syncDirection = syncDirectionPull
	u.syncSourceMode = syncSourceLocal
	u.syncLocalPath.SetText(otherPath)
	if err := u.advancedSyncAction(); err != nil {
		t.Fatalf("advancedSyncAction() error = %v", err)
	}

	var reopened session.Manager
	if err := reopened.Open(currentPath, key); err != nil {
		t.Fatalf("reopen Open(current) error = %v", err)
	}
	model, err := reopened.Current()
	if err != nil {
		t.Fatalf("reopened Current() error = %v", err)
	}
	if got := len(model.EntriesInPath([]string{"Root", "Internet"})); got != 2 {
		t.Fatalf("len(EntriesInPath(Root/Internet)) = %d, want 2", got)
	}
}

func TestUIStartOpenVaultActionAppliesResultOnMainThread(t *testing.T) {
	t.Parallel()

	key := vault.MasterKey{Password: "correct horse battery staple"}
	path := filepath.Join(t.TempDir(), "vault.kdbx")
	writeKDBXMainTestFile(t, path, vault.Model{
		Entries: []vault.Entry{{
			ID:       "entry-1",
			Title:    "Vault Console",
			Username: "dannyocean",
			Password: "token-current",
			URL:      "https://vault.crew.example.invalid",
			Path:     []string{"Root", "Internet"},
		}},
	}, key)

	manager := &session.Manager{}
	u := newUIWithSession("desktop", manager)
	u.masterPassword.SetText(key.Password)
	u.vaultPath.SetText(path)

	u.startOpenVaultAction()

	if got := u.loadingMessage; got != "Open vault..." {
		t.Fatalf("loadingMessage after start = %q, want %q", got, "Open vault...")
	}
	if manager.HasVault() {
		t.Fatal("manager.HasVault() = true before background result applied, want false")
	}

	result := waitForBackgroundResult(t, u)
	u.applyBackgroundResult(result)

	if got := u.loadingMessage; got != "" {
		t.Fatalf("loadingMessage after apply = %q, want empty", got)
	}
	if got := u.state.ErrorMessage; got != "" {
		t.Fatalf("ErrorMessage after apply = %q, want empty", got)
	}
	if !manager.HasVault() {
		t.Fatal("manager.HasVault() = false after background result applied, want true")
	}
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Vault Console"}) {
		t.Fatalf("filteredTitles() = %v, want [Vault Console]", got)
	}
}

func TestUIStartUnlockActionAppliesResultOnMainThread(t *testing.T) {
	t.Parallel()

	key := vault.MasterKey{Password: "correct horse battery staple"}
	manager := &session.Manager{}
	u := newUIWithSession("desktop", manager)
	u.masterPassword.SetText(key.Password)
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}
	if err := u.lockAction(); err != nil {
		t.Fatalf("lockAction() error = %v", err)
	}

	u.masterPassword.SetText(key.Password)
	u.startUnlockAction()

	if got := u.loadingMessage; got != "Unlock vault..." {
		t.Fatalf("loadingMessage after start = %q, want %q", got, "Unlock vault...")
	}
	if !manager.IsLocked() {
		t.Fatal("manager.IsLocked() = false before background result applied, want true")
	}

	result := waitForBackgroundResult(t, u)
	u.applyBackgroundResult(result)

	if got := u.loadingMessage; got != "" {
		t.Fatalf("loadingMessage after apply = %q, want empty", got)
	}
	if manager.IsLocked() {
		t.Fatal("manager.IsLocked() = true after background result applied, want false")
	}
}

func TestUIAdvancedSynchronizeToRemoteWritesMergedVaultToTarget(t *testing.T) {
	t.Parallel()

	key := vault.MasterKey{Password: "correct horse battery staple"}
	currentPath := filepath.Join(t.TempDir(), "current.kdbx")
	writeKDBXMainTestFile(t, currentPath, vault.Model{
		Entries: []vault.Entry{{
			ID:       "entry-current",
			Title:    "Vault Console",
			Username: "dannyocean",
			Password: "token-current",
			URL:      "https://vault.crew.example.invalid",
			Path:     []string{"Root", "Internet"},
		}},
	}, key)

	var remoteBytes bytes.Buffer
	if err := vault.SaveKDBXWithKey(&remoteBytes, vault.Model{
		Entries: []vault.Entry{{
			ID:       "entry-remote",
			Title:    "Bellagio",
			Username: "rustyryan",
			Password: "token-remote",
			URL:      "https://bellagio.example.invalid",
			Path:     []string{"Root", "Internet"},
		}},
	}, key); err != nil {
		t.Fatalf("SaveKDBXWithKey(remote) error = %v", err)
	}

	etag := "\"v1\""
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.Method {
		case http.MethodGet:
			w.Header().Set("ETag", etag)
			_, _ = w.Write(remoteBytes.Bytes())
		case http.MethodPut:
			payload, err := io.ReadAll(r.Body)
			if err != nil {
				t.Fatalf("ReadAll(PUT body) error = %v", err)
			}
			remoteBytes.Reset()
			if _, err := remoteBytes.Write(payload); err != nil {
				t.Fatalf("Write(remoteBytes) error = %v", err)
			}
			etag = "\"v2\""
			w.Header().Set("ETag", etag)
			w.WriteHeader(http.StatusNoContent)
		default:
			t.Fatalf("unexpected method %s", r.Method)
		}
	}))
	defer server.Close()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText(key.Password)
	u.vaultPath.SetText(currentPath)
	if err := u.openVaultAction(); err != nil {
		t.Fatalf("openVaultAction() error = %v", err)
	}

	u.openAdvancedSyncDialog()
	u.syncDirection = syncDirectionPush
	u.syncSourceMode = syncSourceRemote
	u.syncRemoteBaseURL.SetText(server.URL)
	u.syncRemotePath.SetText("vaults/other.kdbx")
	if err := u.advancedSyncAction(); err != nil {
		t.Fatalf("advancedSyncAction() error = %v", err)
	}

	var reopened session.Manager
	if err := reopened.OpenRemote(webdav.Client{BaseURL: server.URL}, "vaults/other.kdbx", key); err != nil {
		t.Fatalf("OpenRemote(reopened) error = %v", err)
	}
	model, err := reopened.Current()
	if err != nil {
		t.Fatalf("reopened Current() error = %v", err)
	}
	if got := len(model.EntriesInPath([]string{"Root", "Internet"})); got != 2 {
		t.Fatalf("len(EntriesInPath(Root/Internet)) = %d, want 2", got)
	}
}

func TestUIMasterKeyInputSupportsKeyFileAndCompositeKeys(t *testing.T) {
	t.Parallel()

	keyFile := filepath.Join(t.TempDir(), "master.key")
	keyData := []byte("key-file-bytes")
	if err := os.WriteFile(keyFile, keyData, 0o600); err != nil {
		t.Fatalf("WriteFile(keyFile) error = %v", err)
	}

	u := newUIWithSession("desktop", &session.Manager{})
	u.setMasterKeyMode(vault.MasterKeyModePasswordAndKeyFile)
	u.masterPassword.SetText("correct horse battery staple")
	u.keyFilePath.SetText(keyFile)

	key, err := u.currentMasterKey()
	if err != nil {
		t.Fatalf("currentMasterKey() error = %v", err)
	}

	if key.Password != "correct horse battery staple" {
		t.Fatalf("MasterKey.Password = %q, want correct horse battery staple", key.Password)
	}
	if !bytes.Equal(key.KeyFileData, keyData) {
		t.Fatalf("MasterKey.KeyFileData = %q, want %q", key.KeyFileData, keyData)
	}
}

func TestUISectionNavigationShowsTemplatesAndRecycleBin(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "entry-1", Title: "Vault Console", Path: []string{"Root", "Internet"}},
		},
		Templates: []vault.Entry{
			{ID: "tpl-1", Title: "Website Login", Path: []string{"Templates", "Web"}},
		},
		RecycleBin: []vault.Entry{
			{ID: "deleted-1", Title: "Deleted Entry", Path: []string{"Root", "Internet"}},
		},
	})

	u.showTemplatesSection()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Website Login"}) {
		t.Fatalf("template filteredTitles() = %v, want [Website Login]", got)
	}

	u.showRecycleBinSection()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Deleted Entry"}) {
		t.Fatalf("recycle filteredTitles() = %v, want [Deleted Entry]", got)
	}

	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Vault Console"}) {
		t.Fatalf("entry filteredTitles() = %v, want [Vault Console]", got)
	}
}

func TestUIGroupManagementAndPathNavigationAreControllerDriven(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "entry-1", Title: "Vault Console", Path: []string{"Root", "Internet"}},
			{ID: "entry-2", Title: "Home Assistant", Path: []string{"Root", "Home Assistant"}},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root"})
	u.filter()

	u.groupName.SetText("Finance")
	if err := u.createGroupAction(); err != nil {
		t.Fatalf("createGroupAction() error = %v", err)
	}
	if got := u.childGroups(); !slices.Equal(got, []string{"Finance", "Home Assistant", "Internet"}) {
		t.Fatalf("childGroups() after create = %v, want [Finance Home Assistant Internet]", got)
	}

	u.state.EnterGroup("Finance")
	u.filter()
	u.groupName.SetText("Budget")
	if err := u.renameGroupAction(); err != nil {
		t.Fatalf("renameGroupAction() error = %v", err)
	}
	if !slices.Equal(u.state.CurrentPath, []string{"Root", "Budget"}) {
		t.Fatalf("state.CurrentPath after rename = %v, want [Root Budget]", u.state.CurrentPath)
	}

	u.state.NavigateToPath([]string{"Root"})
	u.filter()
	if got := u.childGroups(); !slices.Equal(got, []string{"Budget", "Home Assistant", "Internet"}) {
		t.Fatalf("childGroups() after rename = %v, want [Budget Home Assistant Internet]", got)
	}

	u.state.NavigateToPath([]string{"Root", "Budget"})
	u.filter()
	u.armDeleteCurrentGroupAction()
	if err := u.deleteCurrentGroupAction(); err != nil {
		t.Fatalf("deleteCurrentGroupAction() error = %v", err)
	}
	if !slices.Equal(u.state.CurrentPath, []string{"Root"}) {
		t.Fatalf("state.CurrentPath after delete = %v, want [Root]", u.state.CurrentPath)
	}
	if got := u.childGroups(); !slices.Equal(got, []string{"Home Assistant", "Internet"}) {
		t.Fatalf("childGroups() after delete = %v, want [Home Assistant Internet]", got)
	}
}

func TestUIGroupControlsCanBeCollapsed(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{})
	u.showEntriesSection()

	if u.groupControlsHidden {
		t.Fatal("groupControlsHidden = true, want false by default")
	}

	u.groupControlsHidden = true
	if !u.groupControlsHidden {
		t.Fatal("groupControlsHidden = false, want true after collapsing")
	}

	u.groupControlsHidden = false
	if u.groupControlsHidden {
		t.Fatal("groupControlsHidden = true, want false after expanding")
	}
}

func TestUIGroupNavigationLabelsDistinguishRootCurrentAndParent(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Groups: [][]string{{"Root"}, {"Root", "Infrastructure"}, {"Root", "Infrastructure", "Prod"}},
	})
	u.showEntriesSection()

	if got := u.currentGroupDisplayName(); got != "Vault root (/)" {
		t.Fatalf("currentGroupDisplayName() at root = %q, want %q", got, "Vault root (/)")
	}
	if got := u.parentGroupDisplayName(); got != "Vault root (/)" {
		t.Fatalf("parentGroupDisplayName() at root = %q, want %q", got, "Vault root (/)")
	}
	if got := u.createGroupLabel(); got != "Create Top-Level Group" {
		t.Fatalf("createGroupLabel() at root = %q, want %q", got, "Create Top-Level Group")
	}

	u.setCurrentPath([]string{"Root", "Infrastructure", "Prod"})

	if got := u.currentGroupDisplayName(); got != "Infrastructure / Prod" {
		t.Fatalf("currentGroupDisplayName() = %q, want %q", got, "Infrastructure / Prod")
	}
	if got := u.parentGroupDisplayName(); got != "Infrastructure" {
		t.Fatalf("parentGroupDisplayName() = %q, want %q", got, "Infrastructure")
	}
	if got := u.createGroupLabel(); got != "Create Subgroup" {
		t.Fatalf("createGroupLabel() = %q, want %q", got, "Create Subgroup")
	}
}

func TestUIParentGroupShowsDescendantEntries(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "bellagio", Title: "Bellagio", Path: []string{"Crew", "Internet"}},
			{ID: "vault-console", Title: "Vault Console", Path: []string{"Crew", "Internet"}},
			{ID: "surveillance-console", Title: "Surveillance Console", Path: []string{"Crew", "Home Assistant"}},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Crew"})
	u.filter()

	if got := u.filteredTitles(); !slices.Equal(got, []string{"Bellagio", "Vault Console", "Surveillance Console"}) {
		t.Fatalf("filteredTitles() = %v, want descendant entries under Crew", got)
	}
}

func TestUICreateGroupActionSupportsNestedSubgroups(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root"})
	u.groupName.SetText("Infrastructure / Prod")

	if err := u.createGroupAction(); err != nil {
		t.Fatalf("createGroupAction() error = %v", err)
	}

	if got := u.state.Session.(*uiSession).model.ChildGroups([]string{"Root"}); !slices.Equal(got, []string{"Infrastructure"}) {
		t.Fatalf("ChildGroups(Root) = %v, want [Infrastructure]", got)
	}
	if got := u.state.Session.(*uiSession).model.ChildGroups([]string{"Root", "Infrastructure"}); !slices.Equal(got, []string{"Prod"}) {
		t.Fatalf("ChildGroups(Root/Infrastructure) = %v, want [Prod]", got)
	}
}

func TestUIMoveCurrentGroupActionMovesHierarchy(t *testing.T) {
	t.Parallel()

	model := vault.Model{
		Entries: []vault.Entry{
			{ID: "vault-console", Title: "Vault Console", Path: []string{"Root", "Internet"}},
		},
	}
	model.CreateGroup([]string{"Root", "Internet"}, "Infrastructure")

	u := newUIWithModel("desktop", model)
	u.showEntriesSection()
	u.setCurrentPath([]string{"Root", "Internet"})
	u.groupParentPath.SetText("Root / Crew")

	if err := u.moveCurrentGroupAction(); err != nil {
		t.Fatalf("moveCurrentGroupAction() error = %v", err)
	}

	if !slices.Equal(u.state.CurrentPath, []string{"Root", "Crew", "Internet"}) {
		t.Fatalf("state.CurrentPath = %v, want [Root Crew Internet]", u.state.CurrentPath)
	}
	got := u.state.Session.(*uiSession).model.EntriesInPath([]string{"Root", "Crew", "Internet"})
	if len(got) != 1 || got[0].ID != "vault-console" {
		t.Fatalf("EntriesInPath(Root/Crew/Internet) = %#v, want moved vault-console entry", got)
	}
}

func TestUISavingEntryWithDifferentPathMovesItBetweenGroups(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
			{
				ID:       "ha",
				Title:    "Home Assistant",
				Username: "rustyryan",
				Password: "token-2",
				URL:      "https://ha.example.test",
				Path:     []string{"Root", "Home Assistant"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()
	u.entryPath.SetText("Root / Home Assistant")

	if err := u.saveEntryAction(); err != nil {
		t.Fatalf("saveEntryAction() error = %v", err)
	}

	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	if got := u.filteredTitles(); len(got) != 0 {
		t.Fatalf("filteredTitles() in source group = %v, want empty after move", got)
	}

	u.state.NavigateToPath([]string{"Root", "Home Assistant"})
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Home Assistant", "Vault Console"}) {
		t.Fatalf("filteredTitles() in destination group = %v, want [Vault Console Home Assistant]", got)
	}
}

func TestUISavesDuplicatesDeletesAndRestoresEntriesFromTheEditor(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()
	u.entryPassword.SetText("token-2")

	if err := u.saveEntryAction(); err != nil {
		t.Fatalf("saveEntryAction() error = %v", err)
	}
	u.filter()
	if entry, ok := u.selectedEntry(); !ok || entry.Password != "token-2" {
		t.Fatalf("selectedEntry() = %#v, want updated password token-2", entry)
	}

	if err := u.duplicateSelectedEntryAction(); err != nil {
		t.Fatalf("duplicateSelectedEntryAction() error = %v", err)
	}
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Vault Console", "Vault Console (Copy)"}) {
		t.Fatalf("filteredTitles() after duplicate = %v, want copy present", got)
	}

	if err := u.deleteSelectedEntryAction(); err != nil {
		t.Fatalf("deleteSelectedEntryAction() error = %v", err)
	}
	u.showRecycleBinSection()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Vault Console (Copy)"}) {
		t.Fatalf("recycle filteredTitles() = %v, want deleted copy", got)
	}

	u.state.SelectedEntryID = "vault-console-copy"
	if err := u.restoreSelectedRecycleEntryAction(); err != nil {
		t.Fatalf("restoreSelectedRecycleEntryAction() error = %v", err)
	}
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Vault Console", "Vault Console (Copy)"}) {
		t.Fatalf("filteredTitles() after restore = %v, want restored copy", got)
	}
}

func TestUICreatesEntryWithAllSupportedEditorFields(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()

	u.entryID.SetText("bellagio")
	u.entryTitle.SetText("Bellagio")
	u.entryUsername.SetText("rustyryan")
	u.entryPassword.SetText("token-1")
	u.entryURL.SetText("https://bellagio.example.invalid")
	u.entryNotes.SetText("Registrar account")
	u.entryTags.SetText("dns, registrar")
	u.entryPath.SetText("Root / Internet")
	u.setCustomFieldRows(map[string]string{
		"Environment": "prod",
		"Account ID":  "12345",
	})

	if err := u.saveEntryAction(); err != nil {
		t.Fatalf("saveEntryAction() create error = %v", err)
	}

	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Bellagio"}) {
		t.Fatalf("filteredTitles() = %v, want [Bellagio]", got)
	}

	item, ok := u.selectedEntry()
	if !ok {
		t.Fatal("selectedEntry() ok = false, want created entry")
	}
	if item.Title != "Bellagio" || item.Username != "rustyryan" || item.Password != "token-1" || item.URL != "https://bellagio.example.invalid" {
		t.Fatalf("selectedEntry() = %#v, want created Bellagio credentials", item)
	}
	if item.Notes != "Registrar account" {
		t.Fatalf("selectedEntry().Notes = %q, want %q", item.Notes, "Registrar account")
	}
	if !slices.Equal(item.Tags, []string{"dns", "registrar"}) {
		t.Fatalf("selectedEntry().Tags = %v, want [dns registrar]", item.Tags)
	}
	if item.Fields["Environment"] != "prod" || item.Fields["Account ID"] != "12345" {
		t.Fatalf("selectedEntry().Fields = %#v, want parsed custom fields", item.Fields)
	}
}

func TestUILoadSelectedEntryIntoEditorPopulatesStructuredCustomFields(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:    "gitlab",
				Title: "Gitlab",
				Path:  []string{"Root", "Internet"},
				Fields: map[string]string{
					"AndroidApp1": "androidapp://com.gitlab.android",
					"OTP":         "123456",
				},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "gitlab"
	u.loadSelectedEntryIntoEditor()

	if len(u.customFieldKeys) != 2 || len(u.customFieldValues) != 2 {
		t.Fatalf("custom field rows = %d/%d, want 2 rows", len(u.customFieldKeys), len(u.customFieldValues))
	}

	got := map[string]string{}
	for i := range u.customFieldKeys {
		got[u.customFieldKeys[i].Text()] = u.customFieldValues[i].Text()
	}
	if got["AndroidApp1"] != "androidapp://com.gitlab.android" || got["OTP"] != "123456" {
		t.Fatalf("custom field rows = %#v, want AndroidApp1 and OTP values", got)
	}
}

func TestUIEditingEntryPathMovesEntryBetweenGroups(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()
	u.entryPath.SetText("Root / Infrastructure")

	if err := u.saveEntryAction(); err != nil {
		t.Fatalf("saveEntryAction() move error = %v", err)
	}

	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	if got := u.filteredTitles(); len(got) != 0 {
		t.Fatalf("filteredTitles() in old path = %v, want empty after move", got)
	}

	u.state.NavigateToPath([]string{"Root", "Infrastructure"})
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Vault Console"}) {
		t.Fatalf("filteredTitles() in new path = %v, want [Vault Console]", got)
	}
	u.state.SelectedEntryID = "vault-console"

	model, err := u.state.Session.Current()
	if err != nil {
		t.Fatalf("state.Session.Current() error = %v", err)
	}

	var (
		item vault.Entry
		ok   bool
	)
	for _, candidate := range model.Entries {
		if candidate.ID == "vault-console" {
			item = candidate
			ok = true
			break
		}
	}
	if !ok {
		t.Fatal("model.Entries contains vault-console = false, want moved entry")
	}
	if !slices.Equal(item.Path, []string{"Root", "Infrastructure"}) {
		t.Fatalf("model.Entries vault-console Path = %v, want [Root Infrastructure]", item.Path)
	}
}

func TestUITemplateAndAttachmentActionsWorkThroughEditor(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Templates: []vault.Entry{
			{
				ID:       "tpl-1",
				Title:    "Website Login",
				Username: "template-user",
				Password: "template-password",
				Notes:    "Reusable template",
				Path:     []string{"Templates", "Web"},
			},
		},
	})

	u.showTemplatesSection()
	u.filter()
	u.state.SelectedEntryID = "tpl-1"
	u.loadSelectedEntryIntoEditor()
	u.entryTitle.SetText("Website Login Updated")

	if err := u.saveTemplateAction(); err != nil {
		t.Fatalf("saveTemplateAction() error = %v", err)
	}

	u.entryID.SetText("entry-1")
	u.entryTitle.SetText("Bellagio")
	u.entryUsername.SetText("rustyryan")
	u.entryPassword.SetText("token-1")
	u.entryURL.SetText("https://bellagio.example.invalid")
	u.entryPath.SetText("Root / Internet")
	if err := u.instantiateSelectedTemplateAction(); err != nil {
		t.Fatalf("instantiateSelectedTemplateAction() error = %v", err)
	}

	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "entry-1"
	u.loadSelectedEntryIntoEditor()

	attachmentPath := filepath.Join(t.TempDir(), "token.txt")
	attachmentExportPath := filepath.Join(t.TempDir(), "exported.txt")
	content := []byte("attachment-content")
	if err := os.WriteFile(attachmentPath, content, 0o600); err != nil {
		t.Fatalf("WriteFile(attachmentPath) error = %v", err)
	}

	u.attachmentPath.SetText(attachmentPath)
	u.attachmentName.SetText("token.txt")
	if err := u.addAttachmentAction(); err != nil {
		t.Fatalf("addAttachmentAction() error = %v", err)
	}
	if got := u.selectedAttachmentNames(); !slices.Equal(got, []string{"token.txt"}) {
		t.Fatalf("selectedAttachmentNames() = %v, want [token.txt]", got)
	}

	replacementPath := filepath.Join(t.TempDir(), "token-replacement.txt")
	replacement := []byte("attachment-replacement")
	if err := os.WriteFile(replacementPath, replacement, 0o600); err != nil {
		t.Fatalf("WriteFile(replacementPath) error = %v", err)
	}
	u.attachmentPath.SetText(replacementPath)
	if err := u.replaceAttachmentAction(); err != nil {
		t.Fatalf("replaceAttachmentAction() error = %v", err)
	}

	u.exportAttachmentPath.SetText(attachmentExportPath)
	if err := u.exportAttachmentAction(); err != nil {
		t.Fatalf("exportAttachmentAction() error = %v", err)
	}

	exported, err := os.ReadFile(attachmentExportPath)
	if err != nil {
		t.Fatalf("ReadFile(exportAttachmentPath) error = %v", err)
	}
	if !bytes.Equal(exported, replacement) {
		t.Fatalf("exported attachment = %q, want %q", exported, replacement)
	}

	if err := u.removeAttachmentAction(); err != nil {
		t.Fatalf("removeAttachmentAction() error = %v", err)
	}

	u.showTemplatesSection()
	u.filter()
	u.state.SelectedEntryID = "tpl-1"
	if err := u.deleteSelectedTemplateAction(); err != nil {
		t.Fatalf("deleteSelectedTemplateAction() error = %v", err)
	}
	u.filter()
	if got := u.filteredTitles(); len(got) != 0 {
		t.Fatalf("template filteredTitles() after delete = %v, want empty", got)
	}
}

func TestUITemplatesCanBeBrowsedCreatedEditedDeletedAndInstantiated(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Templates: []vault.Entry{
			{
				ID:       "tpl-existing",
				Title:    "SSH Login",
				Username: "root",
				Password: "template-password",
				Path:     []string{"Templates", "Infra"},
			},
		},
	})

	u.showTemplatesSection()
	if got := u.childGroups(); !slices.Equal(got, []string{"Infra"}) {
		t.Fatalf("childGroups() = %v, want [Infra] at template root", got)
	}

	u.state.NavigateToPath([]string{"Templates", "Infra"})
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"SSH Login"}) {
		t.Fatalf("filteredTitles() = %v, want [SSH Login] in template path", got)
	}

	u.state.SelectedEntryID = ""
	u.loadSelectedEntryIntoEditor()
	u.entryID.SetText("tpl-web")
	u.entryTitle.SetText("Website Login")
	u.entryUsername.SetText("template-user")
	u.entryPassword.SetText("template-password")
	u.entryNotes.SetText("Reusable template for website accounts.")
	u.entryTags.SetText("template, web")
	u.entryPath.SetText("Templates / Web")
	if err := u.saveTemplateAction(); err != nil {
		t.Fatalf("saveTemplateAction(create) error = %v", err)
	}

	u.state.NavigateToPath([]string{"Templates", "Web"})
	u.filter()
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Website Login"}) {
		t.Fatalf("filteredTitles() after create = %v, want [Website Login]", got)
	}

	u.state.SelectedEntryID = "tpl-web"
	u.loadSelectedEntryIntoEditor()
	u.entryTitle.SetText("Website Login Updated")
	u.setCustomFieldRows(map[string]string{"Environment": "prod"})
	if err := u.saveTemplateAction(); err != nil {
		t.Fatalf("saveTemplateAction(edit) error = %v", err)
	}

	u.filter()
	selected, ok := u.selectedEntry()
	if !ok {
		t.Fatal("selectedEntry() ok = false, want updated template")
	}
	if selected.Title != "Website Login Updated" {
		t.Fatalf("selectedEntry().Title = %q, want %q", selected.Title, "Website Login Updated")
	}
	if selected.Fields["Environment"] != "prod" {
		t.Fatalf("selectedEntry().Fields[Environment] = %q, want %q", selected.Fields["Environment"], "prod")
	}

	u.entryID.SetText("entry-1")
	u.entryTitle.SetText("Bellagio")
	u.entryUsername.SetText("rustyryan")
	u.entryPassword.SetText("token-1")
	u.entryURL.SetText("https://bellagio.example.invalid")
	u.entryPath.SetText("Root / Internet")
	if err := u.instantiateSelectedTemplateAction(); err != nil {
		t.Fatalf("instantiateSelectedTemplateAction() error = %v", err)
	}

	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "entry-1"
	instantiated, ok := u.selectedEntry()
	if !ok {
		t.Fatal("selectedEntry() ok = false, want instantiated entry")
	}
	if instantiated.Title != "Bellagio" {
		t.Fatalf("selectedEntry().Title = %q, want %q", instantiated.Title, "Bellagio")
	}
	if instantiated.Notes != "Reusable template for website accounts." {
		t.Fatalf("selectedEntry().Notes = %q, want template notes", instantiated.Notes)
	}
	if instantiated.Fields["Environment"] != "prod" {
		t.Fatalf("selectedEntry().Fields[Environment] = %q, want %q", instantiated.Fields["Environment"], "prod")
	}

	u.showTemplatesSection()
	u.state.NavigateToPath([]string{"Templates", "Web"})
	u.filter()
	u.state.SelectedEntryID = "tpl-web"
	if err := u.deleteSelectedTemplateAction(); err != nil {
		t.Fatalf("deleteSelectedTemplateAction() error = %v", err)
	}

	u.filter()
	if got := u.filteredTitles(); len(got) != 0 {
		t.Fatalf("filteredTitles() after delete = %v, want empty", got)
	}
}

func TestUIAttachmentActionsRejectDuplicateMissingAndOversizeCases(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:          "vault-console",
				Title:       "Vault Console",
				Attachments: map[string][]byte{"token.txt": []byte("original")},
				Path:        []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()

	addPath := filepath.Join(t.TempDir(), "token.txt")
	if err := os.WriteFile(addPath, []byte("duplicate"), 0o600); err != nil {
		t.Fatalf("WriteFile(addPath) error = %v", err)
	}
	u.attachmentName.SetText("token.txt")
	u.attachmentPath.SetText(addPath)
	if err := u.addAttachmentAction(); err == nil || !strings.Contains(err.Error(), "already exists") {
		t.Fatalf("addAttachmentAction() error = %v, want duplicate-name failure", err)
	}

	u.attachmentName.SetText("missing.txt")
	if err := u.replaceAttachmentAction(); err == nil || !strings.Contains(err.Error(), "not found") {
		t.Fatalf("replaceAttachmentAction() error = %v, want missing-attachment failure", err)
	}

	oversizePath := filepath.Join(t.TempDir(), "oversize.bin")
	oversizeContent := bytes.Repeat([]byte("a"), maxAttachmentBytes+1)
	if err := os.WriteFile(oversizePath, oversizeContent, 0o600); err != nil {
		t.Fatalf("WriteFile(oversizePath) error = %v", err)
	}
	u.attachmentName.SetText("oversize.bin")
	u.attachmentPath.SetText(oversizePath)
	if err := u.addAttachmentAction(); err == nil || !strings.Contains(err.Error(), "too large") {
		t.Fatalf("addAttachmentAction() oversize error = %v, want size failure", err)
	}
}

func TestUIAttachmentActionSummaryReflectsSelectionState(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:          "vault-console",
				Title:       "Vault Console",
				Attachments: map[string][]byte{"token.txt": []byte("original")},
				Path:        []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()

	if got := u.attachmentActionSummary(); !strings.Contains(got, "Select an attachment above") {
		t.Fatalf("attachmentActionSummary() = %q, want prompt to select an attachment", got)
	}

	u.attachmentName.SetText("token.txt")
	if got := u.attachmentActionSummary(); !strings.Contains(got, "Selected attachment") {
		t.Fatalf("attachmentActionSummary() = %q, want selected attachment guidance", got)
	}

	u.attachmentName.SetText("missing.txt")
	if got := u.attachmentActionSummary(); !strings.Contains(got, "is not on this entry yet") {
		t.Fatalf("attachmentActionSummary() = %q, want missing attachment guidance", got)
	}
}

func TestUIRestoresSelectedEntryHistoryVersion(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-2",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
				History: []vault.Entry{
					{
						ID:       "vault-console-h1",
						Title:    "Vault Console",
						Username: "dannyocean",
						Password: "token-1",
						URL:      "https://vault.crew.example.invalid",
						Path:     []string{"Root", "Internet"},
					},
				},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()
	u.historyIndex.SetText("0")

	if err := u.restoreSelectedHistoryAction(); err != nil {
		t.Fatalf("restoreSelectedHistoryAction() error = %v", err)
	}
	u.filter()
	if entry, ok := u.selectedEntry(); !ok || entry.Password != "token-1" {
		t.Fatalf("selectedEntry() = %#v, want restored password token-1", entry)
	}
}

func TestUISelectingEntryHistoryVersionTracksSelectedVersion(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-2",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
				History: []vault.Entry{
					{
						ID:       "vault-console-h1",
						Title:    "Vault Console",
						Username: "dannyocean",
						Password: "token-1",
						URL:      "https://vault.crew.example.invalid",
						Path:     []string{"Root", "Internet"},
						Notes:    "previous token",
					},
					{
						ID:       "vault-console-h0",
						Title:    "Vault Console",
						Username: "dannyocean",
						Password: "token-0",
						URL:      "https://vault.crew.example.invalid",
						Path:     []string{"Root", "Internet"},
						Notes:    "oldest token",
					},
				},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()

	history := u.visibleHistory()
	if len(history) != 2 {
		t.Fatalf("len(visibleHistory()) = %d, want 2", len(history))
	}
	if history[1].Notes != "oldest token" {
		t.Fatalf("visibleHistory()[1].Notes = %q, want %q", history[1].Notes, "oldest token")
	}

	if err := u.selectHistoryVersion(1); err != nil {
		t.Fatalf("selectHistoryVersion(1) error = %v", err)
	}

	selected, ok := u.selectedHistoryEntry()
	if !ok {
		t.Fatal("selectedHistoryEntry() ok = false, want true")
	}
	if selected.Password != "token-0" {
		t.Fatalf("selectedHistoryEntry().Password = %q, want %q", selected.Password, "token-0")
	}
}
func TestUIKeyboardShortcutActionsDispatchExpectedCommands(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()

	if err := u.performShortcut(shortcutNewEntry); err != nil {
		t.Fatalf("performShortcut(new-entry) error = %v", err)
	}
	if u.state.SelectedEntryID != "" {
		t.Fatalf("SelectedEntryID = %q, want empty after new-entry shortcut", u.state.SelectedEntryID)
	}

	u.state.SelectedEntryID = "vault-console"
	if err := u.performShortcut(shortcutCopyUser); err != nil {
		t.Fatalf("performShortcut(copy-user) error = %v", err)
	}
	if err := u.performShortcut(shortcutCopyPassword); err != nil {
		t.Fatalf("performShortcut(copy-password) error = %v", err)
	}
	if err := u.performShortcut(shortcutCopyURL); err != nil {
		t.Fatalf("performShortcut(copy-url) error = %v", err)
	}
}

func TestUIKeyboardNavigationMovesAcrossBreadcrumbsListAndDetail(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "bellagio",
				Title:    "Bellagio",
				Username: "rustyryan",
				Path:     []string{"Root", "Internet"},
			},
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Path:     []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()

	if got := u.keyboardFocus; got != focusSearch {
		t.Fatalf("keyboardFocus = %q, want %q", got, focusSearch)
	}

	u.handleKeyPress(key.NameTab, 0)
	if got := u.keyboardFocus; got != breadcrumbFocusID(0) {
		t.Fatalf("keyboardFocus after Tab = %q, want %q", got, breadcrumbFocusID(0))
	}

	u.handleKeyPress(key.NameTab, 0)
	if got := u.keyboardFocus; got != listFocusID(0) {
		t.Fatalf("keyboardFocus after second Tab = %q, want %q", got, listFocusID(0))
	}
	if got := u.state.SelectedEntryID; got != "bellagio" {
		t.Fatalf("SelectedEntryID after list focus = %q, want %q", got, "bellagio")
	}

	u.handleKeyPress(key.NameDownArrow, 0)
	if got := u.keyboardFocus; got != listFocusID(1) {
		t.Fatalf("keyboardFocus after Down = %q, want %q", got, listFocusID(1))
	}
	if got := u.state.SelectedEntryID; got != "vault-console" {
		t.Fatalf("SelectedEntryID after Down = %q, want %q", got, "vault-console")
	}

	u.handleKeyPress(key.NameTab, 0)
	if got := u.keyboardFocus; got != detailFocusID(detailFieldTitle) {
		t.Fatalf("keyboardFocus after detail Tab = %q, want %q", got, detailFocusID(detailFieldTitle))
	}
}

func TestUIKeyboardNavigationActivatesBreadcrumbs(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:    "vault-console",
				Title: "Vault Console",
				Path:  []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.keyboardFocus = breadcrumbFocusID(0)

	u.handleKeyPress(key.NameRightArrow, 0)
	if got := u.keyboardFocus; got != breadcrumbFocusID(1) {
		t.Fatalf("keyboardFocus after Right = %q, want %q", got, breadcrumbFocusID(1))
	}

	u.handleKeyPress(key.NameReturn, 0)
	if got := u.state.CurrentPath; !slices.Equal(got, []string{"Root"}) {
		t.Fatalf("state.CurrentPath after breadcrumb activation = %v, want [Root]", got)
	}
}

func TestUIKeyboardShortcutsMoveFocusForSearchAndNewEntry(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()
	u.keyboardFocus = listFocusID(0)

	u.handleKeyPress("F", key.ModShortcut)
	if got := u.keyboardFocus; got != focusSearch {
		t.Fatalf("keyboardFocus after shortcut search = %q, want %q", got, focusSearch)
	}

	u.handleKeyPress("N", key.ModShortcut)
	if got := u.state.SelectedEntryID; got != "" {
		t.Fatalf("SelectedEntryID after shortcut new-entry = %q, want empty", got)
	}
	if got := u.keyboardFocus; got != detailFocusID(detailFieldTitle) {
		t.Fatalf("keyboardFocus after shortcut new-entry = %q, want %q", got, detailFocusID(detailFieldTitle))
	}
}

func TestUIAccessibilityLabelsDescribeFocusableControls(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:    "vault-console",
				Title: "Vault Console",
				Path:  []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()

	if got := u.accessibilityLabel(focusSearch); got != "Search vault" {
		t.Fatalf("accessibilityLabel(search) = %q, want %q", got, "Search vault")
	}
	if got := u.accessibilityLabel(breadcrumbFocusID(1)); got != "Navigate to Root" {
		t.Fatalf("accessibilityLabel(breadcrumb) = %q, want %q", got, "Navigate to Root")
	}
	if got := u.accessibilityLabel(listFocusID(0)); got != "Select entry Vault Console" {
		t.Fatalf("accessibilityLabel(list) = %q, want %q", got, "Select entry Vault Console")
	}
	if got := u.accessibilityLabel(detailFocusID(detailFieldPassword)); got != "Edit Password" {
		t.Fatalf("accessibilityLabel(detail password) = %q, want %q", got, "Edit Password")
	}
}

func TestFieldFocusAppearanceScalesForHighDPI(t *testing.T) {
	t.Parallel()

	lo := fieldFocusAppearance(unit.Metric{PxPerDp: 1, PxPerSp: 1}, defaultAccessibilityPreferences(), true)
	hi := fieldFocusAppearance(unit.Metric{PxPerDp: 2.5, PxPerSp: 2.5}, defaultAccessibilityPreferences(), true)
	unfocused := fieldFocusAppearance(unit.Metric{PxPerDp: 1, PxPerSp: 1}, defaultAccessibilityPreferences(), false)

	if got := lo.MinHeight; got != 44 {
		t.Fatalf("fieldFocusAppearance(low).MinHeight = %d, want 44", got)
	}
	if got := hi.MinHeight; got != 110 {
		t.Fatalf("fieldFocusAppearance(high).MinHeight = %d, want 110", got)
	}
	if got := lo.OutlineWidth; got < 2 {
		t.Fatalf("fieldFocusAppearance(low).OutlineWidth = %d, want >= 2", got)
	}
	if hi.OutlineWidth <= lo.OutlineWidth {
		t.Fatalf("fieldFocusAppearance(high).OutlineWidth = %d, want > %d", hi.OutlineWidth, lo.OutlineWidth)
	}
	if lo.OutlineColor == unfocused.OutlineColor {
		t.Fatalf("fieldFocusAppearance().OutlineColor focused = %#v, want distinct from unfocused %#v", lo.OutlineColor, unfocused.OutlineColor)
	}
}

func TestUIActionErrorsAndStatusMessagesAreCapturedForDisplay(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.vaultPath.SetText("/does/not/exist.kdbx")
	u.masterPassword.SetText("correct horse battery staple")

	u.runAction("open vault", u.openVaultAction)
	if u.state.ErrorMessage == "" {
		t.Fatal("state.ErrorMessage = empty, want visible action error")
	}

	u = newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "vault-console", Title: "Vault Console", Username: "dannyocean", Password: "token-1", URL: "https://vault.crew.example.invalid", Path: []string{"Root", "Internet"}},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.runAction("copy username", func() error { return u.copySelectedFieldAction(clipboard.TargetUsername) })
	if u.state.StatusMessage == "" {
		t.Fatal("state.StatusMessage = empty, want visible success status")
	}
}

func TestUIPasswordProfilesAreVisibleInEntryWorkflow(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})

	got := u.passwordProfileOptionsText()
	for _, want := range passwords.DefaultProfileNames() {
		if !strings.Contains(got, want) {
			t.Fatalf("passwordProfileOptionsText() = %q, want profile %q to be visible", got, want)
		}
	}
}

func TestUIGeneratedPasswordFlowsIntoCreateEntryForm(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}

	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.loadSelectedEntryIntoEditor()
	u.entryID.SetText("entry-1")
	u.entryTitle.SetText("Generated Entry")
	u.entryUsername.SetText("rustyryan")
	u.entryURL.SetText("https://vault.crew.example.invalid")
	u.entryPath.SetText("Root / Internet")
	u.passwordProfile.SetText("memorable")

	if err := u.generatePasswordAction(); err != nil {
		t.Fatalf("generatePasswordAction() error = %v", err)
	}

	generated := u.entryPassword.Text()
	if len(generated) < passwords.DefaultProfiles()["memorable"].Length {
		t.Fatalf("len(entryPassword.Text()) = %d, want at least %d after generate", len(generated), passwords.DefaultProfiles()["memorable"].Length)
	}

	if err := u.saveEntryAction(); err != nil {
		t.Fatalf("saveEntryAction() error = %v", err)
	}

	u.state.SelectedEntryID = "entry-1"
	saved, ok := u.selectedEntry()
	if !ok {
		t.Fatal("selectedEntry() ok = false, want true for saved generated entry")
	}
	if saved.Password != generated {
		t.Fatalf("saved.Password = %q, want generated password %q", saved.Password, generated)
	}
}

func TestUIGeneratedPasswordDraftStateClearsOnReloadAndSave(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				Path:     []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()

	if u.generatedPasswordDraft {
		t.Fatal("generatedPasswordDraft = true, want false before generating")
	}

	u.passwordProfile.SetText("strong")
	if err := u.generatePasswordAction(); err != nil {
		t.Fatalf("generatePasswordAction() error = %v", err)
	}
	if !u.generatedPasswordDraft {
		t.Fatal("generatedPasswordDraft = false, want true after generating")
	}

	u.loadSelectedEntryIntoEditor()
	if u.generatedPasswordDraft {
		t.Fatal("generatedPasswordDraft = true, want false after reloading entry into editor")
	}

	u.passwordProfile.SetText("strong")
	if err := u.generatePasswordAction(); err != nil {
		t.Fatalf("generatePasswordAction() second call error = %v", err)
	}
	if !u.generatedPasswordDraft {
		t.Fatal("generatedPasswordDraft = false, want true after generating the second time")
	}
	if err := u.saveEntryAction(); err != nil {
		t.Fatalf("saveEntryAction() error = %v", err)
	}
	if u.generatedPasswordDraft {
		t.Fatal("generatedPasswordDraft = true, want false after saving")
	}
}

func TestUIBannerSurfacePrefersLoadingThenErrorThenStatus(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{})
	u.loadingMessage = "Opening vault..."
	if got := u.bannerSurface(); got.Kind != bannerLoading || got.Message != "Opening vault..." {
		t.Fatalf("bannerSurface() with loading = %#v, want loading banner", got)
	}

	u.loadingMessage = ""
	u.state.ErrorMessage = "save failed"
	if got := u.bannerSurface(); got.Kind != bannerError || got.Message != "save failed" {
		t.Fatalf("bannerSurface() with error = %#v, want error banner", got)
	}

	u.state.ErrorMessage = ""
	u.state.StatusMessage = "save complete"
	if got := u.bannerSurface(); got.Kind != bannerNone {
		t.Fatalf("bannerSurface() with status = %#v, want no status banner", got)
	}
	if got := u.statusToastSurface(); got.Kind != bannerStatus || got.Message != "save complete" {
		t.Fatalf("statusToastSurface() with status = %#v, want status toast", got)
	}
}

func TestUIBannerActionLabelsExposeCancelAndRetryForLifecycleOpen(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.loadingMessage = "Open vault..."
	u.loadingActionLabel = "open vault"

	primary, secondary := u.bannerActionLabels(u.bannerSurface())
	if primary != "Cancel" || secondary != "" {
		t.Fatalf("bannerActionLabels(loading) = %q/%q, want Cancel/empty", primary, secondary)
	}

	u.loadingMessage = ""
	u.loadingActionLabel = ""
	u.lastLifecycleAction = "open vault"
	u.state.ErrorMessage = "open failed"

	primary, secondary = u.bannerActionLabels(u.bannerSurface())
	if primary != "Retry" || secondary != "Dismiss" {
		t.Fatalf("bannerActionLabels(error) = %q/%q, want Retry/Dismiss", primary, secondary)
	}
}

func TestCompactPathDirectorySummaryCollapsesLongPaths(t *testing.T) {
	t.Parallel()

	got := compactPathDirectorySummary("/home/julian/vaults/family/main.kdbx")
	if got != "home/.../family" {
		t.Fatalf("compactPathDirectorySummary() = %q, want %q", got, "home/.../family")
	}

	short := compactPathDirectorySummary("/tmp/main.kdbx")
	if short != "/tmp" {
		t.Fatalf("compactPathDirectorySummary(short) = %q, want %q", short, "/tmp")
	}
}

func TestUIStatusToastExpiresAfterTimeout(t *testing.T) {
	t.Parallel()

	now := time.Date(2026, time.March, 29, 12, 0, 0, 0, time.UTC)
	u := newUIWithModel("desktop", vault.Model{})
	u.now = func() time.Time { return now }
	u.state.StatusMessage = "synchronize vault complete"
	if statusBannerDuration != 2600*time.Millisecond {
		t.Fatalf("statusBannerDuration = %v, want 2.6s", statusBannerDuration)
	}
	u.statusExpiresAt = now.Add(statusBannerDuration)

	if got := u.statusToastSurface(); got.Kind != bannerStatus || got.Message != "synchronize vault complete" {
		t.Fatalf("statusToastSurface() before expiry = %#v, want visible status toast", got)
	}

	now = now.Add(statusBannerDuration + time.Millisecond)
	if got := u.statusToastSurface(); got.Kind != bannerNone {
		t.Fatalf("statusToastSurface() after expiry = %#v, want no toast", got)
	}
	if got := u.state.StatusMessage; got != "" {
		t.Fatalf("state.StatusMessage after expiry = %q, want empty", got)
	}
}

func TestUIStatusToastExpiresAfterConfiguredTimeout(t *testing.T) {
	t.Parallel()

	now := time.Date(2026, time.March, 29, 12, 0, 0, 0, time.UTC)
	u := newUIWithModel("desktop", vault.Model{})
	u.now = func() time.Time { return now }
	u.statusBannerTTL = statusBannerLong
	u.state.StatusMessage = "save complete"
	u.statusExpiresAt = now.Add(u.statusBannerTTL)

	now = now.Add(statusBannerDuration + time.Second)
	if got := u.statusToastSurface(); got.Kind != bannerStatus {
		t.Fatalf("statusToastSurface() before configured expiry = %#v, want visible status toast", got)
	}

	now = now.Add(statusBannerLong)
	if got := u.statusToastSurface(); got.Kind != bannerNone {
		t.Fatalf("statusToastSurface() after configured expiry = %#v, want no toast", got)
	}
}

func TestUIReducedMotionKeepsStatusToastVisible(t *testing.T) {
	t.Parallel()

	now := time.Date(2026, time.March, 29, 12, 0, 0, 0, time.UTC)
	u := newUIWithModel("desktop", vault.Model{})
	u.now = func() time.Time { return now }
	u.statusBannerTTL = statusBannerLong
	u.applyAccessibilityPreferences(accessibilityPreferences{ReducedMotion: true})

	u.showStatusMessage("synchronize vault complete")
	if !u.statusExpiresAt.IsZero() {
		t.Fatalf("statusExpiresAt with reduced motion = %v, want zero", u.statusExpiresAt)
	}

	now = now.Add(statusBannerLong * 2)
	if got := u.statusToastSurface(); got.Kind != bannerStatus || got.Message != "synchronize vault complete" {
		t.Fatalf("statusToastSurface() with reduced motion = %#v, want persistent status toast", got)
	}
}

func TestUIAutofillStatusSurfaceUsesPendingApproval(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{})
	u.state.Approvals = &mainStubApprovalManager{
		pending: []apiapproval.Request{
			{
				ID:         "approval-1",
				TokenName:  "Browser Extension",
				ClientName: "Firefox",
				Operation:  apitokens.OperationCopyPassword,
				Resource:   apitokens.Resource{Kind: apitokens.ResourceEntry, EntryID: "entry-1"},
			},
		},
	}

	got := u.autofillStatusSurface()
	if got.Kind != autofillStatusAwaitingApproval {
		t.Fatalf("autofillStatusSurface().Kind = %q, want %q", got.Kind, autofillStatusAwaitingApproval)
	}
	if got.Title != "Autofill approval needed" {
		t.Fatalf("autofillStatusSurface().Title = %q, want %q", got.Title, "Autofill approval needed")
	}
	if !strings.Contains(got.Message, "Firefox (Browser Extension)") {
		t.Fatalf("autofillStatusSurface().Message = %q, want requester details", got.Message)
	}
	if got.Detail != "Entry entry-1" {
		t.Fatalf("autofillStatusSurface().Detail = %q, want %q", got.Detail, "Entry entry-1")
	}
}

func TestUIAutofillStatusSurfaceRespectsNoticePreference(t *testing.T) {
	t.Parallel()

	now := time.Date(2026, time.March, 29, 12, 0, 0, 0, time.UTC)
	u := newUIWithModel("desktop", vault.Model{})
	u.now = func() time.Time { return now }
	u.auditLog = &apiaudit.Log{}
	u.auditLog.Record(apiaudit.Event{
		Type:       apiaudit.EventAutofillFound,
		TokenName:  "Browser Extension",
		ClientName: "Firefox",
		Operation:  apitokens.OperationCopyPassword,
		At:         now,
	})

	u.autofillNoticePreference = autofillNoticeApprovals
	if got := u.autofillStatusSurface(); got.Kind != autofillStatusNone {
		t.Fatalf("autofillStatusSurface() with approvals-only preference = %#v, want no recent notice", got)
	}

	u.autofillNoticePreference = autofillNoticeSuppressed
	u.state.Approvals = &mainStubApprovalManager{
		pending: []apiapproval.Request{{
			ID:         "approval-1",
			TokenName:  "Browser Extension",
			ClientName: "Firefox",
			Operation:  apitokens.OperationCopyPassword,
			Resource:   apitokens.Resource{Kind: apitokens.ResourceEntry, EntryID: "entry-1"},
		}},
	}
	if got := u.autofillStatusSurface(); got.Kind != autofillStatusNone {
		t.Fatalf("autofillStatusSurface() with suppressed preference = %#v, want no notice", got)
	}
}

func TestUIAutofillStatusSurfaceUsesAuditEventsForFoundAmbiguousAndBlocked(t *testing.T) {
	t.Parallel()

	now := time.Date(2026, time.March, 31, 12, 0, 0, 0, time.UTC)
	u := newUIWithModel("desktop", vault.Model{})
	u.now = func() time.Time { return now }
	u.auditLog = apiaudit.New(10)

	u.auditLog.Record(apiaudit.Event{
		Type:      apiaudit.EventAutofillFound,
		At:        now,
		TokenName: "Browser Extension",
		Message:   "Vault Console is ready to fill.",
		Resource:  apitokens.Resource{Kind: apitokens.ResourceEntry, EntryID: "vault-console"},
	})
	if got := u.autofillStatusSurface(); got.Kind != autofillStatusFound || got.Title != "Autofill match ready" {
		t.Fatalf("autofillStatusSurface(found) = %#v, want found status", got)
	}

	u.auditLog = apiaudit.New(10)
	u.auditLog.Record(apiaudit.Event{
		Type:      apiaudit.EventAutofillAmbiguous,
		At:        now,
		TokenName: "Browser Extension",
		Message:   "Multiple entries match example.com.",
	})
	if got := u.autofillStatusSurface(); got.Kind != autofillStatusAmbiguous || got.Title != "Autofill needs a narrower match" {
		t.Fatalf("autofillStatusSurface(ambiguous) = %#v, want ambiguous status", got)
	}

	u.auditLog = apiaudit.New(10)
	u.auditLog.Record(apiaudit.Event{
		Type:       apiaudit.EventApprovalDenied,
		At:         now,
		TokenName:  "Browser Extension",
		ClientName: "Firefox",
		Operation:  apitokens.OperationCopyPassword,
		Resource:   apitokens.Resource{Kind: apitokens.ResourceEntry, EntryID: "vault-console"},
	})
	if got := u.autofillStatusSurface(); got.Kind != autofillStatusBlocked || got.Title != "Autofill was not allowed" {
		t.Fatalf("autofillStatusSurface(blocked) = %#v, want blocked status", got)
	}
}

func TestUIAutofillStatusSurfaceIgnoresExpiredAndNonAutofillAuditEvents(t *testing.T) {
	t.Parallel()

	now := time.Date(2026, time.March, 31, 12, 0, 0, 0, time.UTC)
	u := newUIWithModel("desktop", vault.Model{})
	u.now = func() time.Time { return now }
	u.auditLog = apiaudit.New(10)

	u.auditLog.Record(apiaudit.Event{
		Type:      apiaudit.EventAutofillFound,
		At:        now.Add(-autofillStatusTTL - time.Second),
		TokenName: "Browser Extension",
		Message:   "stale event",
	})
	if got := u.autofillStatusSurface(); got.Kind != autofillStatusNone {
		t.Fatalf("autofillStatusSurface(stale) = %#v, want none", got)
	}

	u.auditLog = apiaudit.New(10)
	u.auditLog.Record(apiaudit.Event{
		Type:      apiaudit.EventApprovalAllowed,
		At:        now,
		TokenName: "CLI",
		Operation: apitokens.OperationListEntries,
		Message:   "not autofill",
	})
	if got := u.autofillStatusSurface(); got.Kind != autofillStatusNone {
		t.Fatalf("autofillStatusSurface(non-autofill) = %#v, want none", got)
	}
}

func TestUIRunActionNormalizesRemoteSaveConflictsForDisplay(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{})
	u.runAction("save vault", func() error {
		return errors.New("save remote vaults/main.kdbx: " + webdav.ErrConflict.Error())
	})

	if got := u.state.ErrorMessage; got != "Save conflict: the remote vault changed. Reopen it and retry the save." {
		t.Fatalf("state.ErrorMessage = %q, want normalized save conflict guidance", got)
	}
	if got := u.state.StatusMessage; got != "" {
		t.Fatalf("state.StatusMessage = %q, want empty on conflict", got)
	}
}

func TestUIUsesKeePassGOProductCopy(t *testing.T) {
	t.Parallel()

	if productName != "KeePassGO" {
		t.Fatalf("productName = %q, want %q", productName, "KeePassGO")
	}
}

func TestUIShowsLifecycleSetupOnlyBeforeVaultIsOpened(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	if !u.shouldShowLifecycleSetup() {
		t.Fatal("shouldShowLifecycleSetup() = false, want true before opening a vault")
	}

	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}

	if u.shouldShowLifecycleSetup() {
		t.Fatal("shouldShowLifecycleSetup() = true, want false after opening a vault")
	}
}

func TestUIPendingApprovalUsesFirstPendingRequest(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{})
	u.state.Approvals = &mainStubApprovalManager{
		pending: []apiapproval.Request{
			{ID: "approval-1", TokenName: "CLI", Operation: apitokens.OperationListEntries},
			{ID: "approval-2", TokenName: "Browser", Operation: apitokens.OperationReadEntry},
		},
	}

	request, ok := u.pendingApproval()
	if !ok {
		t.Fatal("pendingApproval() ok = false, want true")
	}
	if request.ID != "approval-1" {
		t.Fatalf("pendingApproval().ID = %q, want approval-1", request.ID)
	}
}

func TestUIResolvePendingApprovalDelegatesToApprovalManager(t *testing.T) {
	t.Parallel()

	manager := &mainStubApprovalManager{
		pending: []apiapproval.Request{{ID: "approval-1"}},
	}
	u := newUIWithModel("desktop", vault.Model{})
	u.state.Approvals = manager

	if err := u.resolvePendingApproval(apiapproval.OutcomeDenyPermanent); err != nil {
		t.Fatalf("resolvePendingApproval() error = %v", err)
	}
	if manager.lastID != "approval-1" || manager.lastOutcome != apiapproval.OutcomeDenyPermanent {
		t.Fatalf("resolvePendingApproval() delegated (%q, %q), want (approval-1, deny-permanent)", manager.lastID, manager.lastOutcome)
	}
}

func TestUIRequiresExplicitEditModeForEntryEditor(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{{ID: "1", Title: "Vault Console", Path: []string{"Root"}}},
	})

	u.filter()
	u.state.SelectedEntryID = "1"
	if u.editingEntry {
		t.Fatal("editingEntry = true, want false by default")
	}

	u.editingEntry = true
	u.loadSelectedEntryIntoEditor()
	if !u.editingEntry {
		t.Fatal("editingEntry = false, want true after entering edit mode")
	}
}

func TestUIAutoEntersSingleVaultRootGroupAndDisplaysSlashRoot(t *testing.T) {
	t.Parallel()

	path := filepath.Join(t.TempDir(), "keepass.kdbx")
	var encoded bytes.Buffer
	if err := vault.SaveKDBX(&encoded, vault.Model{
		Entries: []vault.Entry{
			{ID: "vault-console", Title: "Vault Console", Path: []string{"keepass", "Crew", "Internet"}},
		},
	}, "correct horse battery staple"); err != nil {
		t.Fatalf("SaveKDBX() error = %v", err)
	}
	if err := os.WriteFile(path, encoded.Bytes(), 0o600); err != nil {
		t.Fatalf("WriteFile(keepass.kdbx) error = %v", err)
	}

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	u.vaultPath.SetText(path)
	if err := u.openVaultAction(); err != nil {
		t.Fatalf("openVaultAction() error = %v", err)
	}

	if got := u.currentPath; !slices.Equal(got, []string{"keepass"}) {
		t.Fatalf("currentPath = %v, want [keepass]", got)
	}
	if got := u.displayPath(); len(got) != 0 {
		t.Fatalf("displayPath() = %v, want root slash path", got)
	}
	if got := u.childGroups(); !slices.Equal(got, []string{"Crew"}) {
		t.Fatalf("childGroups() = %v, want [Crew]", got)
	}
}

func TestUIShowEntriesSectionRestoresHiddenRootAfterLeavingEntries(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "1", Title: "Vault Console", Path: []string{"keepass", "Crew", "Internet"}},
			{ID: "2", Title: "Home Assistant", Path: []string{"keepass", "Crew", "Home"}},
		},
	})

	u.showEntriesSection()
	if got := u.currentPath; !slices.Equal(got, []string{"keepass"}) {
		t.Fatalf("currentPath after initial entries section = %v, want [keepass]", got)
	}

	u.showAPITokensSection()
	u.showEntriesSection()

	if got := u.currentPath; !slices.Equal(got, []string{"keepass"}) {
		t.Fatalf("currentPath after returning to entries = %v, want [keepass]", got)
	}
	if got := u.displayPath(); len(got) != 0 {
		t.Fatalf("displayPath() after returning to entries = %v, want root slash path", got)
	}
	if got := u.childGroups(); !slices.Equal(got, []string{"Crew"}) {
		t.Fatalf("childGroups() after returning to entries = %v, want [Crew]", got)
	}
}

func TestUIShowEntriesSectionRestoresEntriesViewState(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "amazon", Title: "Amazon", Username: "danny@crew.example.invalid", Path: []string{"keepass", "Crew", "Internet"}},
			{ID: "aws", Title: "Amazon AWS", Username: "danny@crew.example.invalid", Path: []string{"keepass", "Crew", "Internet"}},
			{ID: "git", Title: "Vault Console", Username: "dannyocean", Path: []string{"keepass", "Crew", "Internet"}},
		},
	})

	u.showEntriesSection()
	u.setCurrentPath([]string{"keepass", "Crew", "Internet"})
	u.search.SetText("amazon")
	u.filter()
	u.state.SelectedEntryID = "amazon"
	u.editingEntry = true
	u.loadSelectedEntryIntoEditor()

	u.showAPITokensSection()
	u.showEntriesSection()

	if got := u.currentPath; !slices.Equal(got, []string{"keepass", "Crew", "Internet"}) {
		t.Fatalf("currentPath after returning to entries = %v, want [keepass Crew Internet]", got)
	}
	if got := u.search.Text(); got != "amazon" {
		t.Fatalf("search text after returning to entries = %q, want amazon", got)
	}
	if got := u.state.SelectedEntryID; got != "amazon" {
		t.Fatalf("SelectedEntryID after returning to entries = %q, want amazon", got)
	}
	if !u.editingEntry {
		t.Fatal("editingEntry = false, want true after returning to entries")
	}
	if got := u.filteredTitles(); !slices.Equal(got, []string{"Amazon", "Amazon AWS"}) {
		t.Fatalf("filteredTitles() after returning to entries = %v, want [Amazon Amazon AWS]", got)
	}
}

func TestUINoteRecentVaultDeduplicatesAndOrdersMostRecentFirst(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.recentVaultsPath = filepath.Join(t.TempDir(), "recent-vaults.json")
	u.recentVaults = nil
	u.noteRecentVault("/tmp/one.kdbx")
	u.noteRecentVault("/tmp/two.kdbx")
	u.noteRecentVault("/tmp/one.kdbx")

	if got := u.recentVaults; !slices.Equal(got, []string{"/tmp/one.kdbx", "/tmp/two.kdbx"}) {
		t.Fatalf("recentVaults = %v, want [/tmp/one.kdbx /tmp/two.kdbx]", got)
	}
}

func TestUILoadsRecentVaultsFromPersistedConfig(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "recent-vaults.json")
	first := newUIWithSession("desktop", &session.Manager{})
	first.recentVaultsPath = configPath
	first.recentVaults = nil
	first.noteRecentVault("/tmp/one.kdbx")
	first.noteRecentVault("/tmp/two.kdbx")

	second := newUIWithSession("desktop", &session.Manager{})
	second.recentVaultsPath = configPath
	second.recentVaults = nil
	second.loadRecentVaults()

	if got := second.recentVaults; !slices.Equal(got, []string{"/tmp/two.kdbx", "/tmp/one.kdbx"}) {
		t.Fatalf("recentVaults after reload = %v, want [/tmp/two.kdbx /tmp/one.kdbx]", got)
	}
}

func TestUIStartupPreselectsMostRecentLocalVault(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "recent-vaults.json")
	first := newUIWithSession("desktop", &session.Manager{})
	first.recentVaultsPath = configPath
	first.recentVaults = nil
	first.recentVaultUsedAt = map[string]time.Time{}
	first.now = func() time.Time { return time.Date(2026, 3, 30, 12, 0, 0, 0, time.UTC) }
	first.noteRecentVault("/tmp/older.kdbx")
	first.now = func() time.Time { return time.Date(2026, 3, 30, 13, 0, 0, 0, time.UTC) }
	first.noteRecentVault("/tmp/newer.kdbx")

	second := newUIWithSession("desktop", &session.Manager{}, statePaths{
		DefaultSaveAsPath: filepath.Join(t.TempDir(), "vault.kdbx"),
		RecentVaultsPath:  configPath,
		RecentRemotesPath: filepath.Join(t.TempDir(), "recent-remotes.json"),
		UIPreferencesPath: filepath.Join(t.TempDir(), "ui-prefs.json"),
	})

	if got := second.lifecycleMode; got != "local" {
		t.Fatalf("lifecycleMode = %q, want local", got)
	}
	if got := second.vaultPath.Text(); got != "/tmp/newer.kdbx" {
		t.Fatalf("vaultPath = %q, want /tmp/newer.kdbx", got)
	}
}

func TestUIRecentVaultsPersistLastOpenedGroupPerVault(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "recent-vaults.json")

	first := newUIWithSession("desktop", &session.Manager{})
	first.recentVaultsPath = configPath
	first.recentVaults = nil
	first.currentPath = []string{"Root", "Internet"}
	first.syncedPath = []string{"Root", "Internet"}
	first.noteRecentVault("/tmp/one.kdbx")
	first.currentPath = []string{"Root", "Home Assistant"}
	first.syncedPath = []string{"Root", "Home Assistant"}
	first.noteRecentVault("/tmp/two.kdbx")
	first.currentPath = []string{"Root", "Finance"}
	first.syncedPath = []string{"Root", "Finance"}
	first.noteRecentVault("/tmp/one.kdbx")

	second := newUIWithSession("desktop", &session.Manager{})
	second.recentVaultsPath = configPath
	second.recentVaults = nil
	second.loadRecentVaults()

	if got := second.recentVaults; !slices.Equal(got, []string{"/tmp/one.kdbx", "/tmp/two.kdbx"}) {
		t.Fatalf("recentVaults after reload = %v, want [/tmp/one.kdbx /tmp/two.kdbx]", got)
	}
	if got := second.recentVaultGroup("/tmp/one.kdbx"); !slices.Equal(got, []string{"Root", "Finance"}) {
		t.Fatalf("recentVaultGroup(one) = %v, want [Root Finance]", got)
	}
	if got := second.recentVaultGroup("/tmp/two.kdbx"); !slices.Equal(got, []string{"Root", "Home Assistant"}) {
		t.Fatalf("recentVaultGroup(two) = %v, want [Root Home Assistant]", got)
	}
}

func TestUIOpenVaultRestoresLastOpenedGroupForThatVault(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	path := filepath.Join(dir, "keepass.kdbx")
	statePath := filepath.Join(dir, "recent-vaults.json")

	u := newUIWithSession("desktop", &session.Manager{})
	u.recentVaultsPath = statePath
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}
	if err := u.state.UpsertEntry(vault.Entry{
		ID:       "entry-1",
		Title:    "Vault Console",
		Username: "dannyocean",
		Password: "token-1",
		URL:      "https://vault.crew.example.invalid",
		Path:     []string{"Root", "Internet"},
	}); err != nil {
		t.Fatalf("UpsertEntry() error = %v", err)
	}
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.currentPath = []string{"Root", "Internet"}
	u.syncedPath = []string{"Root", "Internet"}
	u.saveAsPath.SetText(path)
	if err := u.saveAsAction(); err != nil {
		t.Fatalf("saveAsAction() error = %v", err)
	}

	reopened := newUIWithSession("desktop", &session.Manager{})
	reopened.recentVaultsPath = statePath
	reopened.recentVaults = nil
	reopened.loadRecentVaults()
	reopened.masterPassword.SetText("correct horse battery staple")
	reopened.vaultPath.SetText(path)
	if err := reopened.openVaultAction(); err != nil {
		t.Fatalf("openVaultAction() error = %v", err)
	}

	if got := reopened.displayPath(); !slices.Equal(got, []string{"Internet"}) {
		t.Fatalf("displayPath() after reopen = %v, want [Internet]", got)
	}
	if got := reopened.state.CurrentPath; !slices.Equal(got, []string{"Root", "Internet"}) {
		t.Fatalf("state.CurrentPath after reopen = %v, want [Root Internet]", got)
	}
}

func TestUIRecentRemoteConnectionsPersistAndReload(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "recent-remotes.json")

	first := newUIWithSession("desktop", &session.Manager{})
	first.recentRemotesPath = configPath
	first.recentRemotes = nil
	first.currentPath = []string{"Root", "Internet"}
	first.noteRecentRemote("https://dav.example.com", "vaults/home.kdbx", "alice", "secret-1", true)
	first.currentPath = []string{"Root", "Home"}
	first.noteRecentRemote("https://dav.example.com", "vaults/team.kdbx", "bob", "secret-2", false)
	first.currentPath = []string{"Root", "Finance"}
	first.noteRecentRemote("https://dav.example.com", "vaults/home.kdbx", "alice", "secret-3", true)

	second := newUIWithSession("desktop", &session.Manager{})
	second.recentRemotesPath = configPath
	second.recentRemotes = nil
	second.loadRecentRemotes()

	if got := len(second.recentRemotes); got != 2 {
		t.Fatalf("len(recentRemotes) = %d, want 2", got)
	}
	if got := second.recentRemotes[0]; got.BaseURL != "https://dav.example.com" || got.Path != "vaults/home.kdbx" || got.Username != "alice" || got.Password != "secret-3" {
		t.Fatalf("recentRemotes[0] = %#v, want updated remembered credentials", got)
	}
	if got := second.recentRemotes[0].LastGroup; !slices.Equal(got, []string{"Root", "Finance"}) {
		t.Fatalf("recentRemotes[0].LastGroup = %v, want [Root Finance]", got)
	}
	if got := second.recentRemotes[1]; got.Username != "" || got.Password != "" {
		t.Fatalf("recentRemotes[1] = %#v, want credentials omitted when remember disabled", got)
	}
	if got := second.recentRemotes[1].LastGroup; !slices.Equal(got, []string{"Root", "Home"}) {
		t.Fatalf("recentRemotes[1].LastGroup = %v, want [Root Home]", got)
	}
}

func TestUIStartupPreselectsNewestTargetAcrossLocalAndRemote(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	vaultsPath := filepath.Join(dir, "recent-vaults.json")
	remotesPath := filepath.Join(dir, "recent-remotes.json")
	paths := statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		RecentVaultsPath:  vaultsPath,
		RecentRemotesPath: remotesPath,
		UIPreferencesPath: filepath.Join(dir, "ui-prefs.json"),
	}

	first := newUIWithSession("desktop", &session.Manager{}, paths)
	first.now = func() time.Time { return time.Date(2026, 3, 30, 12, 0, 0, 0, time.UTC) }
	first.noteRecentVault("/tmp/local.kdbx")
	first.now = func() time.Time { return time.Date(2026, 3, 30, 13, 0, 0, 0, time.UTC) }
	first.noteRecentRemote("https://dav.example.com", "vaults/home.kdbx", "alice", "secret-1", true)

	second := newUIWithSession("desktop", &session.Manager{}, paths)

	if got := second.lifecycleMode; got != "remote" {
		t.Fatalf("lifecycleMode = %q, want remote", got)
	}
	if got := second.remoteBaseURL.Text(); got != "https://dav.example.com" {
		t.Fatalf("remoteBaseURL = %q, want https://dav.example.com", got)
	}
	if got := second.remotePath.Text(); got != "vaults/home.kdbx" {
		t.Fatalf("remotePath = %q, want vaults/home.kdbx", got)
	}
	if got := second.remoteUsername.Text(); got != "alice" {
		t.Fatalf("remoteUsername = %q, want alice", got)
	}
	if got := second.remotePassword.Text(); got != "secret-1" {
		t.Fatalf("remotePassword = %q, want secret-1", got)
	}
}

func TestUIStartupDoesNotRequestMasterPasswordFocusWithoutSelectedTarget(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	u := newUIWithSession("phone", &session.Manager{}, statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		RecentVaultsPath:  filepath.Join(dir, "recent-vaults.json"),
		RecentRemotesPath: filepath.Join(dir, "recent-remotes.json"),
		SettingsPath:      filepath.Join(dir, "settings.json"),
		UIPreferencesPath: filepath.Join(dir, "ui-prefs.json"),
		AutofillCachePath: filepath.Join(dir, "autofill-cache.json"),
	})

	if u.requestMasterPassFocus {
		t.Fatal("requestMasterPassFocus = true without a selected startup target, want false")
	}
}

func TestUIStartupRequestsMasterPasswordFocusForSelectedRecentVault(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	paths := statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		RecentVaultsPath:  filepath.Join(dir, "recent-vaults.json"),
		RecentRemotesPath: filepath.Join(dir, "recent-remotes.json"),
		SettingsPath:      filepath.Join(dir, "settings.json"),
		UIPreferencesPath: filepath.Join(dir, "ui-prefs.json"),
		AutofillCachePath: filepath.Join(dir, "autofill-cache.json"),
	}

	first := newUIWithSession("phone", &session.Manager{}, paths)
	first.noteRecentVault("/tmp/demo.kdbx")

	reopened := newUIWithSession("phone", &session.Manager{}, paths)

	if got := reopened.vaultPath.Text(); got != "/tmp/demo.kdbx" {
		t.Fatalf("vaultPath = %q, want /tmp/demo.kdbx", got)
	}
	if !reopened.requestMasterPassFocus {
		t.Fatal("requestMasterPassFocus = false with a selected startup vault, want true")
	}
}

func TestUIGroupToolsDisclosureStatePersists(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "ui-prefs.json")

	first := newUIWithSession("desktop", &session.Manager{}, statePaths{
		UIPreferencesPath: configPath,
	})
	first.groupControlsHidden = true
	first.saveUIPreferences()

	second := newUIWithSession("desktop", &session.Manager{}, statePaths{
		UIPreferencesPath: configPath,
	})
	second.groupControlsHidden = false
	second.loadUIPreferences()

	if !second.groupControlsHidden {
		t.Fatal("groupControlsHidden = false after reload, want true")
	}
}

func TestUIDenseLayoutPreferencePersists(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "ui-prefs.json")

	first := newUIWithSession("desktop", &session.Manager{}, statePaths{
		UIPreferencesPath: configPath,
	})
	first.denseLayout = true
	first.saveUIPreferences()

	second := newUIWithSession("desktop", &session.Manager{}, statePaths{
		UIPreferencesPath: configPath,
	})
	second.denseLayout = false
	second.loadUIPreferences()

	if !second.denseLayout {
		t.Fatal("denseLayout = false after reload, want true")
	}
}

func TestUISyncDefaultsPersistInSettings(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "settings.json")

	first := newUIWithSession("desktop", &session.Manager{}, statePaths{
		SettingsPath: configPath,
	})
	first.syncDefaultSourceMode = syncSourceRemote
	first.syncDefaultDirection = syncDirectionPush
	first.saveSettings()

	second := newUIWithSession("desktop", &session.Manager{}, statePaths{
		SettingsPath: configPath,
	})
	second.syncDefaultSourceMode = syncSourceLocal
	second.syncDefaultDirection = syncDirectionPull
	second.loadSettings()

	if got := second.syncDefaultSourceMode; got != syncSourceRemote {
		t.Fatalf("syncDefaultSourceMode = %q, want remote", got)
	}
	if got := second.syncDefaultDirection; got != syncDirectionPush {
		t.Fatalf("syncDefaultDirection = %q, want push", got)
	}
}

func TestUILoadSettingsFallsBackToLegacySyncDefaultsInUIPreferences(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	legacyPath := filepath.Join(dir, "ui-prefs.json")
	content, err := json.MarshalIndent(legacySyncPreferences{
		SyncSourceDefault:    string(syncSourceRemote),
		SyncDirectionDefault: string(syncDirectionPush),
	}, "", "  ")
	if err != nil {
		t.Fatalf("json.MarshalIndent() error = %v", err)
	}
	if err := os.WriteFile(legacyPath, content, 0o600); err != nil {
		t.Fatalf("os.WriteFile() error = %v", err)
	}

	reloaded := newUIWithSession("desktop", &session.Manager{}, statePaths{
		SettingsPath:      filepath.Join(dir, "settings.json"),
		UIPreferencesPath: legacyPath,
	})
	reloaded.syncDefaultSourceMode = syncSourceLocal
	reloaded.syncDefaultDirection = syncDirectionPull
	reloaded.loadSettings()

	if got := reloaded.syncDefaultSourceMode; got != syncSourceRemote {
		t.Fatalf("syncDefaultSourceMode = %q after legacy load, want remote", got)
	}
	if got := reloaded.syncDefaultDirection; got != syncDirectionPush {
		t.Fatalf("syncDefaultDirection = %q after legacy load, want push", got)
	}
}

func TestUIOpenAdvancedSyncDialogUsesSavedSyncDefaults(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.syncDefaultSourceMode = syncSourceRemote
	u.syncDefaultDirection = syncDirectionPush
	u.syncSourceMode = syncSourceLocal
	u.syncDirection = syncDirectionPull
	u.vaultPath.SetText("/vaults/current.kdbx")

	u.openAdvancedSyncDialog()

	if got := u.syncSourceMode; got != syncSourceRemote {
		t.Fatalf("syncSourceMode = %q after open, want remote default", got)
	}
	if got := u.syncDirection; got != syncDirectionPush {
		t.Fatalf("syncDirection = %q after open, want push default", got)
	}
	if got := u.syncLocalPath.Text(); got != "/vaults/current.kdbx" {
		t.Fatalf("syncLocalPath = %q after open, want current vault path", got)
	}
}

func TestUISaveSecuritySettingsPersistsSyncDefaults(t *testing.T) {
	t.Parallel()

	manager := &session.Manager{}
	dir := t.TempDir()
	u := newUIWithSession("desktop", manager, statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		SettingsPath:      filepath.Join(dir, "settings.json"),
		UIPreferencesPath: filepath.Join(dir, "ui-prefs.json"),
	})
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}
	u.securityCipher.SetText(vault.CipherAES256)
	u.securityKDF.SetText(vault.KDFAES)
	u.loadSettingsDraft()
	u.settingsDraft.Sync.SourceDefault = syncSourceRemote
	u.settingsDraft.Sync.DirectionDefault = syncDirectionPush

	if err := u.saveSecuritySettingsAction(); err != nil {
		t.Fatalf("saveSecuritySettingsAction() error = %v", err)
	}

	reloaded := newUIWithSession("desktop", &session.Manager{}, statePaths{
		SettingsPath: u.settingsPath,
	})
	reloaded.loadSettings()

	if got := reloaded.syncDefaultSourceMode; got != syncSourceRemote {
		t.Fatalf("reloaded syncDefaultSourceMode = %q, want remote", got)
	}
	if got := reloaded.syncDefaultDirection; got != syncDirectionPush {
		t.Fatalf("reloaded syncDefaultDirection = %q, want push", got)
	}
}

func TestUIAccessibilityPreferencesPersist(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "ui-prefs.json")

	first := newUIWithSession("desktop", &session.Manager{}, statePaths{
		UIPreferencesPath: configPath,
	})
	first.applyAccessibilityPreferences(accessibilityPreferences{
		DisplayDensity: displayDensityComfortable,
		Contrast:       contrastHigh,
		ReducedMotion:  true,
		KeyboardFocus:  keyboardFocusProminent,
	})
	first.saveUIPreferences()

	second := newUIWithSession("desktop", &session.Manager{}, statePaths{
		UIPreferencesPath: configPath,
	})
	second.loadUIPreferences()

	if second.denseLayout {
		t.Fatal("denseLayout after reload = true, want comfortable layout preference")
	}
	if got := second.accessibilityPrefs; got != (accessibilityPreferences{
		DisplayDensity: displayDensityComfortable,
		Contrast:       contrastHigh,
		ReducedMotion:  true,
		KeyboardFocus:  keyboardFocusProminent,
	}) {
		t.Fatalf("accessibilityPrefs after reload = %#v, want comfortable/high/reduced/prominent", got)
	}
}

func TestFieldFocusAppearanceUsesAccessibilityPreferences(t *testing.T) {
	t.Parallel()

	metric := unit.Metric{PxPerDp: 1, PxPerSp: 1}
	base := fieldFocusAppearance(metric, defaultAccessibilityPreferences(), true)
	comfortable := fieldFocusAppearance(metric, accessibilityPreferences{
		DisplayDensity: displayDensityComfortable,
		Contrast:       contrastHigh,
		KeyboardFocus:  keyboardFocusProminent,
	}, true)

	if comfortable.MinHeight <= base.MinHeight {
		t.Fatalf("fieldFocusAppearance(comfortable).MinHeight = %d, want > %d", comfortable.MinHeight, base.MinHeight)
	}
	if comfortable.OutlineWidth <= base.OutlineWidth {
		t.Fatalf("fieldFocusAppearance(prominent).OutlineWidth = %d, want > %d", comfortable.OutlineWidth, base.OutlineWidth)
	}
	if comfortable.OutlineColor.A <= base.OutlineColor.A {
		t.Fatalf("fieldFocusAppearance(high contrast).OutlineColor.A = %d, want > %d", comfortable.OutlineColor.A, base.OutlineColor.A)
	}
}

func TestUIEntryRowMetricsUseDenseLayout(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})

	comfortableInset, comfortableTitle, _, _, _, comfortableGap := u.entryRowMetrics()
	u.denseLayout = true
	denseInset, denseTitle, _, _, _, denseGap := u.entryRowMetrics()

	if denseInset >= comfortableInset {
		t.Fatalf("dense inset = %v, want smaller than comfortable inset %v", denseInset, comfortableInset)
	}
	if denseTitle >= comfortableTitle {
		t.Fatalf("dense title size = %v, want smaller than comfortable title size %v", denseTitle, comfortableTitle)
	}
	if denseGap >= comfortableGap {
		t.Fatalf("dense divider gap = %v, want smaller than comfortable divider gap %v", denseGap, comfortableGap)
	}
}

func TestUINotificationPreferencesPersist(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "ui-prefs.json")

	first := newUIWithSession("desktop", &session.Manager{}, statePaths{
		UIPreferencesPath: configPath,
	})
	first.statusBannerTTL = statusBannerLong
	first.autofillNoticePreference = autofillNoticeApprovals
	first.saveUIPreferences()

	second := newUIWithSession("desktop", &session.Manager{}, statePaths{
		UIPreferencesPath: configPath,
	})
	second.statusBannerTTL = statusBannerDuration
	second.autofillNoticePreference = autofillNoticeAll
	second.loadUIPreferences()

	if got := second.statusBannerTTL; got != statusBannerLong {
		t.Fatalf("statusBannerTTL after reload = %v, want %v", got, statusBannerLong)
	}
	if got := second.autofillNoticePreference; got != autofillNoticeApprovals {
		t.Fatalf("autofillNoticePreference after reload = %q, want %q", got, autofillNoticeApprovals)
	}
}

func TestAutofillPrivacyLinesNormalizesEntries(t *testing.T) {
	t.Parallel()

	got := autofillPrivacyLines("  com.android.chrome  \n\ncom.example.app\ncom.android.chrome\n  org.keepassgo.browser  ")
	want := []string{"com.android.chrome", "com.example.app", "org.keepassgo.browser"}
	if !slices.Equal(got, want) {
		t.Fatalf("autofillPrivacyLines() = %v, want %v", got, want)
	}
}

func TestJoinAutofillPrivacyLines(t *testing.T) {
	t.Parallel()

	got := joinAutofillPrivacyLines([]string{"com.android.chrome", "com.example.app"})
	if got != "com.android.chrome\ncom.example.app" {
		t.Fatalf("joinAutofillPrivacyLines() = %q, want %q", got, "com.android.chrome\ncom.example.app")
	}
}

func TestUIAutofillPrivacyPreferencesPersist(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "ui-prefs.json")

	first := newUIWithSession("desktop", &session.Manager{})
	first.uiPreferencesPath = configPath
	first.autofillFirstFillApprovalMode = autofillFirstFillApprovalBlock
	first.autofillBrowserAllowlist.SetText("https://accounts.example.com\nhttps://login.example.org\nhttps://accounts.example.com")
	first.autofillAppAllowlist.SetText("org.mozilla.firefox\ncom.android.chrome")
	first.autofillPackageRules.SetText("com.android.chrome=hostname\norg.keepassgo.browser=view-id")
	first.saveUIPreferences()

	second := newUIWithSession("desktop", &session.Manager{})
	second.uiPreferencesPath = configPath
	second.autofillFirstFillApprovalMode = autofillFirstFillApprovalAsk
	second.loadUIPreferences()

	if got := second.autofillFirstFillApprovalMode; got != autofillFirstFillApprovalBlock {
		t.Fatalf("autofillFirstFillApprovalMode = %q, want %q", got, autofillFirstFillApprovalBlock)
	}
	if got := second.autofillBrowserAllowlist.Text(); got != "https://accounts.example.com\nhttps://login.example.org" {
		t.Fatalf("autofillBrowserAllowlist = %q, want normalized browser allowlist", got)
	}
	if got := second.autofillAppAllowlist.Text(); got != "org.mozilla.firefox\ncom.android.chrome" {
		t.Fatalf("autofillAppAllowlist = %q, want preserved allowlist entries", got)
	}
	if got := second.autofillPackageRules.Text(); got != "com.android.chrome=hostname\norg.keepassgo.browser=view-id" {
		t.Fatalf("autofillPackageRules = %q, want persisted package rules", got)
	}
}

func TestUILoadUIPreferencesKeepsDefaultAutofillApprovalWhenMissing(t *testing.T) {
	t.Parallel()

	configPath := filepath.Join(t.TempDir(), "ui-prefs.json")
	content, err := json.Marshal(uiPreferences{
		GroupControlsHidden:     true,
		LifecycleAdvancedHidden: true,
		HistoryHidden:           true,
	})
	if err != nil {
		t.Fatalf("Marshal(uiPreferences) error = %v", err)
	}
	if err := os.WriteFile(configPath, content, 0o600); err != nil {
		t.Fatalf("WriteFile(uiPreferences) error = %v", err)
	}

	u := newUIWithSession("desktop", &session.Manager{})
	u.uiPreferencesPath = configPath
	u.autofillFirstFillApprovalMode = autofillFirstFillApprovalAsk
	u.loadUIPreferences()

	if got := u.autofillFirstFillApprovalMode; got != autofillFirstFillApprovalAsk {
		t.Fatalf("autofillFirstFillApprovalMode = %q, want %q when preference missing", got, autofillFirstFillApprovalAsk)
	}
}

func TestSelectingRecentRemoteConnectionKeepsPasswordMasked(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.recentRemotes = []recentRemoteRecord{{
		BaseURL:  "https://dav.example.com",
		Path:     "vaults/home.kdbx",
		Username: "alice",
		Password: "secret-1",
	}}
	u.recentRemoteClicks = make([]widget.Clickable, 1)

	u.remotePassword.Mask = 0
	u.recentRemoteClicks[0].Click()

	gtx := layout.Context{}
	for u.recentRemoteClicks[0].Clicked(gtx) {
		record := u.recentRemotes[0]
		u.remoteBaseURL.SetText(record.BaseURL)
		u.remotePath.SetText(record.Path)
		u.remoteUsername.SetText(record.Username)
		u.remotePassword.SetText(record.Password)
		u.remotePassword.Mask = '•'
		u.rememberRemoteAuth.Value = true
	}

	if got := u.remotePassword.Mask; got != '•' {
		t.Fatalf("remotePassword.Mask = %q, want bullet mask", got)
	}
}

func TestSelectingRecentVaultSwitchesToLocalMode(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.lifecycleMode = "remote"
	u.requestMasterPassFocus = false
	u.recentVaults = []string{"/tmp/example.kdbx"}
	u.recentVaultClicks = make([]widget.Clickable, 1)
	u.recentVaultClicks[0].Click()

	gtx := layout.Context{}
	for u.recentVaultClicks[0].Clicked(gtx) {
		if 0 < len(u.recentVaults) {
			u.lifecycleMode = "local"
			u.vaultPath.SetText(u.recentVaults[0])
			u.requestMasterPassFocus = true
		}
	}

	if got := u.lifecycleMode; got != "local" {
		t.Fatalf("lifecycleMode after recent vault click = %q, want local", got)
	}
	if got := u.vaultPath.Text(); got != "/tmp/example.kdbx" {
		t.Fatalf("vaultPath after recent vault click = %q, want /tmp/example.kdbx", got)
	}
	if !u.requestMasterPassFocus {
		t.Fatal("requestMasterPassFocus after recent vault click = false, want true")
	}
}

func TestSelectingRecentRemoteSwitchesToRemoteMode(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.lifecycleMode = "local"
	u.requestMasterPassFocus = false
	u.recentRemotes = []recentRemoteRecord{{
		BaseURL: "https://dav.example.com",
		Path:    "vaults/home.kdbx",
	}}
	u.recentRemoteClicks = make([]widget.Clickable, 1)
	u.recentRemoteClicks[0].Click()

	gtx := layout.Context{}
	for u.recentRemoteClicks[0].Clicked(gtx) {
		if 0 < len(u.recentRemotes) {
			u.lifecycleMode = "remote"
			u.applyRecentRemoteRecord(u.recentRemotes[0])
			u.requestMasterPassFocus = true
		}
	}

	if got := u.lifecycleMode; got != "remote" {
		t.Fatalf("lifecycleMode after recent remote click = %q, want remote", got)
	}
	if got := u.remoteBaseURL.Text(); got != "https://dav.example.com" {
		t.Fatalf("remoteBaseURL after recent remote click = %q, want https://dav.example.com", got)
	}
	if !u.requestMasterPassFocus {
		t.Fatal("requestMasterPassFocus after recent remote click = false, want true")
	}
}

func TestUILoadingDetailMessageUsesSelectedVault(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.lifecycleMode = "local"
	u.vaultPath.SetText("/home/julian/vaults/main.kdbx")
	u.loadingMessage = "Open vault..."

	got := u.loadingDetailMessage()
	want := "Target: /home/julian/vaults/main.kdbx"
	if got != want {
		t.Fatalf("loadingDetailMessage() = %q, want %q", got, want)
	}
}

func TestUILoadingDetailMessageUsesSelectedRemote(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.lifecycleMode = "remote"
	u.remoteBaseURL.SetText("https://dav.example.com")
	u.remotePath.SetText("vaults/home.kdbx")
	u.loadingMessage = "Open remote vault..."

	got := u.loadingDetailMessage()
	want := "Target: home.kdbx · dav.example.com (vaults/home.kdbx)"
	if got != want {
		t.Fatalf("loadingDetailMessage() = %q, want %q", got, want)
	}
}

func TestFriendlyRecentRemoteLabelUsesVaultNameBeforeHost(t *testing.T) {
	t.Parallel()

	got := friendlyRecentRemoteLabel(recentRemoteRecord{
		BaseURL: "https://dav.example.com/remote.php/webdav/",
		Path:    "vaults/family/home.kdbx",
	})
	want := "home.kdbx · dav.example.com"
	if got != want {
		t.Fatalf("friendlyRecentRemoteLabel() = %q, want %q", got, want)
	}
}

func TestRecentRemoteStoredAuthSummaryDescribesSavedCredentialState(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name   string
		record recentRemoteRecord
		want   string
	}{
		{
			name:   "location_only",
			record: recentRemoteRecord{},
			want:   "location only",
		},
		{
			name:   "username_only",
			record: recentRemoteRecord{Username: "alice"},
			want:   "saved username",
		},
		{
			name:   "password_only",
			record: recentRemoteRecord{Password: "token-1"},
			want:   "saved password",
		},
		{
			name:   "full_sign_in",
			record: recentRemoteRecord{Username: "alice", Password: "token-1"},
			want:   "saved username and password",
		},
	}

	for _, tt := range tests {
		tt := tt
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			if got := recentRemoteStoredAuthSummary(tt.record); got != tt.want {
				t.Fatalf("recentRemoteStoredAuthSummary(%+v) = %q, want %q", tt.record, got, tt.want)
			}
		})
	}
}

func TestUIRemotePreferencesCurrentSummaryExplainsWhatWillBeRemembered(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.remoteBaseURL.SetText("https://dav.example.com")
	u.remotePath.SetText("vaults/home.kdbx")

	if got := u.remotePreferencesCurrentSummary(); got != "Current choice: KeePassGO will remember only the WebDAV location for this connection." {
		t.Fatalf("remotePreferencesCurrentSummary() = %q, want location-only guidance", got)
	}

	u.rememberRemoteAuth.Value = true
	if got := u.remotePreferencesCurrentSummary(); got != "Current choice: sign-in retention is enabled, but no username or password is entered yet." {
		t.Fatalf("remotePreferencesCurrentSummary() = %q, want empty-sign-in guidance", got)
	}

	u.remoteUsername.SetText("alice")
	if got := u.remotePreferencesCurrentSummary(); got != "Current choice: a successful open will save the entered sign-in for this connection on this device." {
		t.Fatalf("remotePreferencesCurrentSummary() = %q, want pending-save guidance", got)
	}

	u.recentRemotes = []recentRemoteRecord{{
		BaseURL:  "https://dav.example.com",
		Path:     "vaults/home.kdbx",
		Username: "alice",
		Password: "secret-1",
	}}
	if got := u.remotePreferencesCurrentSummary(); got != "Current choice: a successful open will update the saved sign-in for this connection on this device." {
		t.Fatalf("remotePreferencesCurrentSummary() = %q, want saved-sign-in guidance", got)
	}
}

func TestUIRemotePreferencesHelpExplainsSavedFieldsAndRetention(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})

	if got := u.remotePreferencesAlwaysSavedSummary(); got != "Recent Connections always stores the WebDAV base URL, remote path, and the last group you opened for that connection." {
		t.Fatalf("remotePreferencesAlwaysSavedSummary() = %q, want saved-fields guidance", got)
	}
	if got := u.remotePreferencesRetentionSummary(); got != "KeePassGO keeps up to six recent connections. Turning off Remember sign-in and reopening rewrites that connection without the saved username or password." {
		t.Fatalf("remotePreferencesRetentionSummary() = %q, want retention guidance", got)
	}
}

func TestUIRemotePreferencesHelpDialogToggle(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	gtx := layout.Context{}

	u.openRemotePrefsHelp.Click()
	for u.openRemotePrefsHelp.Clicked(gtx) {
		u.remotePrefsDialogOpen = true
	}
	if !u.remotePrefsDialogOpen {
		t.Fatal("remotePrefsDialogOpen = false after open click, want true")
	}

	u.closeRemotePrefsHelp.Click()
	for u.closeRemotePrefsHelp.Clicked(gtx) {
		u.remotePrefsDialogOpen = false
	}
	if u.remotePrefsDialogOpen {
		t.Fatal("remotePrefsDialogOpen = true after close click, want false")
	}
}

func TestUIRemoteOpenButtonLabelOffersRetryAfterFailure(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.lifecycleMode = "remote"

	if got := u.remoteOpenButtonLabel(); got != "Open Remote Vault" {
		t.Fatalf("remoteOpenButtonLabel() = %q, want %q", got, "Open Remote Vault")
	}

	u.state.ErrorMessage = "open remote vault failed: dial tcp timeout"
	if got := u.remoteOpenButtonLabel(); got != "Retry Remote Vault" {
		t.Fatalf("remoteOpenButtonLabel() after error = %q, want %q", got, "Retry Remote Vault")
	}
}

func TestUIOpenRemoteVaultRestoresLastOpenedGroupForThatConnection(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	statePath := filepath.Join(dir, "recent-remotes.json")
	masterKey := vault.MasterKey{Password: "correct horse battery staple"}

	var encoded bytes.Buffer
	if err := vault.SaveKDBXWithKey(&encoded, vault.Model{
		Entries: []vault.Entry{
			{ID: "entry-1", Title: "Vault Console", Path: []string{"Root", "Internet"}},
		},
	}, masterKey); err != nil {
		t.Fatalf("SaveKDBXWithKey() error = %v", err)
	}

	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.Method {
		case http.MethodGet:
			_, _ = w.Write(encoded.Bytes())
		default:
			t.Fatalf("unexpected method = %s", r.Method)
		}
	}))
	defer server.Close()

	first := newUIWithSession("desktop", &session.Manager{})
	first.recentRemotesPath = statePath
	first.recentRemotes = nil
	first.lifecycleMode = "remote"
	first.masterPassword.SetText("correct horse battery staple")
	first.remoteBaseURL.SetText(server.URL)
	first.remotePath.SetText("vault.kdbx")
	if err := first.openRemoteAction(); err != nil {
		t.Fatalf("openRemoteAction() error = %v", err)
	}
	first.state.NavigateToPath([]string{"Root", "Internet"})
	first.currentPath = []string{"Root", "Internet"}
	first.syncedPath = []string{"Root", "Internet"}
	first.noteCurrentRemotePath()

	reopened := newUIWithSession("desktop", &session.Manager{})
	reopened.recentRemotesPath = statePath
	reopened.recentRemotes = nil
	reopened.loadRecentRemotes()
	reopened.lifecycleMode = "remote"
	reopened.masterPassword.SetText("correct horse battery staple")
	reopened.remoteBaseURL.SetText(server.URL)
	reopened.remotePath.SetText("vault.kdbx")
	if err := reopened.openRemoteAction(); err != nil {
		t.Fatalf("openRemoteAction() error = %v", err)
	}

	if got := reopened.state.CurrentPath; !slices.Equal(got, []string{"Root", "Internet"}) {
		t.Fatalf("state.CurrentPath after reopen = %v, want [Root Internet]", got)
	}
}

func TestDefaultStatePathsUsesProvidedStateDir(t *testing.T) {
	t.Parallel()

	base := filepath.Join(t.TempDir(), "keepassgo-state")
	paths := defaultStatePaths(base)

	if got := paths.DefaultSaveAsPath; got != filepath.Join(base, "vault.kdbx") {
		t.Fatalf("DefaultSaveAsPath = %q, want %q", got, filepath.Join(base, "vault.kdbx"))
	}
	if got := paths.RecentVaultsPath; got != filepath.Join(base, "recent-vaults.json") {
		t.Fatalf("RecentVaultsPath = %q, want %q", got, filepath.Join(base, "recent-vaults.json"))
	}
	if got := paths.RecentRemotesPath; got != filepath.Join(base, "recent-remotes.json") {
		t.Fatalf("RecentRemotesPath = %q, want %q", got, filepath.Join(base, "recent-remotes.json"))
	}
	if got := paths.SettingsPath; got != filepath.Join(base, "settings.json") {
		t.Fatalf("SettingsPath = %q, want %q", got, filepath.Join(base, "settings.json"))
	}
	if got := paths.UIPreferencesPath; got != filepath.Join(base, "ui-prefs.json") {
		t.Fatalf("UIPreferencesPath = %q, want %q", got, filepath.Join(base, "ui-prefs.json"))
	}
	if got := paths.AutofillCachePath; got != filepath.Join(base, "autofill-cache.json") {
		t.Fatalf("AutofillCachePath = %q, want %q", got, filepath.Join(base, "autofill-cache.json"))
	}
}

func TestDefaultStatePathsUsesEnvironmentStateDirWhenFlagUnset(t *testing.T) {
	base := filepath.Join(t.TempDir(), "keepassgo-state-env")
	t.Setenv("KEEPASSGO_STATE_DIR", base)

	paths := defaultStatePaths("")

	if got := paths.DefaultSaveAsPath; got != filepath.Join(base, "vault.kdbx") {
		t.Fatalf("DefaultSaveAsPath = %q, want %q", got, filepath.Join(base, "vault.kdbx"))
	}
	if got := paths.RecentVaultsPath; got != filepath.Join(base, "recent-vaults.json") {
		t.Fatalf("RecentVaultsPath = %q, want %q", got, filepath.Join(base, "recent-vaults.json"))
	}
	if got := paths.RecentRemotesPath; got != filepath.Join(base, "recent-remotes.json") {
		t.Fatalf("RecentRemotesPath = %q, want %q", got, filepath.Join(base, "recent-remotes.json"))
	}
	if got := paths.SettingsPath; got != filepath.Join(base, "settings.json") {
		t.Fatalf("SettingsPath = %q, want %q", got, filepath.Join(base, "settings.json"))
	}
	if got := paths.UIPreferencesPath; got != filepath.Join(base, "ui-prefs.json") {
		t.Fatalf("UIPreferencesPath = %q, want %q", got, filepath.Join(base, "ui-prefs.json"))
	}
	if got := paths.AutofillCachePath; got != filepath.Join(base, "autofill-cache.json") {
		t.Fatalf("AutofillCachePath = %q, want %q", got, filepath.Join(base, "autofill-cache.json"))
	}
}

func TestRunActionSynchronizesAutofillCache(t *testing.T) {
	t.Parallel()

	dir := t.TempDir()
	cachePath := filepath.Join(dir, "autofill-cache.json")
	u := newUIWithSession("desktop", &session.Manager{}, statePaths{
		DefaultSaveAsPath: filepath.Join(dir, "vault.kdbx"),
		RecentVaultsPath:  filepath.Join(dir, "recent-vaults.json"),
		RecentRemotesPath: filepath.Join(dir, "recent-remotes.json"),
		SettingsPath:      filepath.Join(dir, "settings.json"),
		UIPreferencesPath: filepath.Join(dir, "ui-prefs.json"),
		AutofillCachePath: cachePath,
	})
	u.masterPassword.SetText("correct horse battery staple")

	u.runAction("create vault", u.createVaultAction)
	u.entryTitle.SetText("Chrome Test")
	u.entryUsername.SetText("joe")
	u.entryPassword.SetText("secret")
	u.entryURL.SetText("https://10.0.2.2:8443/login")
	u.runAction("save entry", u.saveEntryAction)

	data, err := os.ReadFile(cachePath)
	if err != nil {
		t.Fatalf("ReadFile(cache) error = %v", err)
	}
	if !strings.Contains(string(data), "\"host\": \"10.0.2.2\"") {
		t.Fatalf("cache contents = %s, want host entry", string(data))
	}

	u.runAction("lock vault", u.lockAction)
	if _, err := os.Stat(cachePath); !os.IsNotExist(err) {
		t.Fatalf("cache path still exists after lock, stat err = %v", err)
	}
}

func TestResolveFlagOrEnvPrefersFlagThenEnvThenFallback(t *testing.T) {
	t.Setenv("KEEPASSGO_TEST_VALUE", "from-env")

	if got := resolveFlagOrEnv("from-flag", "KEEPASSGO_TEST_VALUE", "fallback"); got != "from-flag" {
		t.Fatalf("resolveFlagOrEnv(flag) = %q, want %q", got, "from-flag")
	}
	if got := resolveFlagOrEnv("", "KEEPASSGO_TEST_VALUE", "fallback"); got != "from-env" {
		t.Fatalf("resolveFlagOrEnv(env) = %q, want %q", got, "from-env")
	}
	if got := resolveFlagOrEnv("", "KEEPASSGO_TEST_MISSING", "fallback"); got != "fallback" {
		t.Fatalf("resolveFlagOrEnv(fallback) = %q, want %q", got, "fallback")
	}
}

func TestDefaultModeForRuntimeUsesPhoneOnAndroid(t *testing.T) {
	t.Parallel()

	if got := defaultModeForRuntime("android"); got != "phone" {
		t.Fatalf("defaultModeForRuntime(android) = %q, want %q", got, "phone")
	}
	if got := defaultModeForRuntime("linux"); got != "desktop" {
		t.Fatalf("defaultModeForRuntime(linux) = %q, want %q", got, "desktop")
	}
}

func TestShouldUsePreviewWindowSizeSkipsAndroid(t *testing.T) {
	t.Parallel()

	if got := shouldUsePreviewWindowSize("desktop", "android"); got {
		t.Fatal("shouldUsePreviewWindowSize(desktop, android) = true, want false")
	}
	if got := shouldUsePreviewWindowSize("phone", "android"); got {
		t.Fatal("shouldUsePreviewWindowSize(phone, android) = true, want false")
	}
	if got := shouldUsePreviewWindowSize("desktop", "linux"); !got {
		t.Fatal("shouldUsePreviewWindowSize(desktop, linux) = false, want true")
	}
}

func TestSupportsDesktopFilePicker(t *testing.T) {
	t.Parallel()

	if got := supportsDesktopFilePicker("android"); got {
		t.Fatal("supportsDesktopFilePicker(android) = true, want false")
	}
	if got := supportsDesktopFilePicker("linux"); !got {
		t.Fatal("supportsDesktopFilePicker(linux) = false, want true")
	}
}

func TestEnterOnLocalLifecycleScreenDefaultsToOpenVault(t *testing.T) {
	t.Parallel()

	path := filepath.Join(t.TempDir(), "vault.kdbx")
	var encoded bytes.Buffer
	if err := vault.SaveKDBX(&encoded, vault.Model{}, "correct horse battery staple"); err != nil {
		t.Fatalf("SaveKDBX() error = %v", err)
	}
	if err := os.WriteFile(path, encoded.Bytes(), 0o600); err != nil {
		t.Fatalf("WriteFile(vault.kdbx) error = %v", err)
	}

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	u.vaultPath.SetText(path)

	handled := u.handleKeyPress(key.NameReturn, 0)
	if !handled {
		t.Fatal("handleKeyPress(Return) = false, want true")
	}
	if got := u.state.StatusMessage; got != "" {
		t.Fatalf("StatusMessage = %q, want empty after open", got)
	}
}

func TestEnterOnRemoteLifecycleScreenDefaultsToOpenRemoteVault(t *testing.T) {
	t.Parallel()

	masterKey := vault.MasterKey{Password: "correct horse battery staple"}
	var encoded bytes.Buffer
	if err := vault.SaveKDBXWithKey(&encoded, vault.Model{}, masterKey); err != nil {
		t.Fatalf("SaveKDBXWithKey() error = %v", err)
	}

	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.Method != http.MethodGet {
			t.Fatalf("unexpected method = %s, want GET", r.Method)
		}
		_, _ = w.Write(encoded.Bytes())
	}))
	defer server.Close()

	u := newUIWithSession("desktop", &session.Manager{})
	u.lifecycleMode = "remote"
	u.masterPassword.SetText("correct horse battery staple")
	u.remoteBaseURL.SetText(server.URL)
	u.remotePath.SetText("vault.kdbx")

	handled := u.handleKeyPress(key.NameReturn, 0)
	if !handled {
		t.Fatal("handleKeyPress(Return) = false, want true")
	}
	if got := u.state.StatusMessage; got != "" {
		t.Fatalf("StatusMessage = %q, want empty after remote open", got)
	}
}

func TestMasterPasswordPeekResetsAfterOpeningVault(t *testing.T) {
	t.Parallel()

	path := filepath.Join(t.TempDir(), "vault.kdbx")
	var encoded bytes.Buffer
	if err := vault.SaveKDBX(&encoded, vault.Model{
		Entries: []vault.Entry{
			{ID: "vault-console", Title: "Vault Console", Password: "token-1", Path: []string{"Root", "Internet"}},
		},
	}, "correct horse battery staple"); err != nil {
		t.Fatalf("SaveKDBX() error = %v", err)
	}
	if err := os.WriteFile(path, encoded.Bytes(), 0o600); err != nil {
		t.Fatalf("WriteFile(vault.kdbx) error = %v", err)
	}

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	u.vaultPath.SetText(path)
	u.showPassword = true

	if err := u.openVaultAction(); err != nil {
		t.Fatalf("openVaultAction() error = %v", err)
	}
	if u.showPassword {
		t.Fatal("showPassword = true after openVaultAction(), want false")
	}
}

func TestPasswordPeekResetsWhenChangingSelectedEntry(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{ID: "vault-console", Title: "Vault Console", Password: "token-1", Path: []string{"Root", "Internet"}},
			{ID: "bellagio", Title: "Bellagio", Password: "token-2", Path: []string{"Root", "Internet"}},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()

	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()
	u.showPassword = true

	u.state.SelectedEntryID = "bellagio"
	u.loadSelectedEntryIntoEditor()

	if u.showPassword {
		t.Fatal("showPassword = true after selecting a different entry, want false")
	}
}

func TestEnterOnLockedScreenDefaultsToUnlockVault(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}
	if err := u.lockAction(); err != nil {
		t.Fatalf("lockAction() error = %v", err)
	}

	u.masterPassword.SetText("correct horse battery staple")
	handled := u.handleKeyPress(key.NameReturn, 0)
	if !handled {
		t.Fatal("handleKeyPress(Return) = false, want true while locked")
	}
	if got := u.masterPassword.Text(); got != "" {
		t.Fatalf("masterPassword after unlock = %q, want empty", got)
	}
	if !u.isVaultLocked() {
		t.Fatal("isVaultLocked() = false before background apply, want still locked")
	}
	result := waitForBackgroundResult(t, u)
	if err := result.err; err != nil {
		t.Fatalf("background unlock prepare error = %v", err)
	}
	u.applyBackgroundResult(result)
	if got := u.state.ErrorMessage; got != "" {
		t.Fatalf("state.ErrorMessage after unlock apply = %q, want empty", got)
	}
	if u.isVaultLocked() {
		t.Fatal("isVaultLocked() = true, want false after unlock apply")
	}
}

func TestUILockedVaultUsesSingleUnlockPaneAndOmitsSearchFocus(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")
	if err := u.createVaultAction(); err != nil {
		t.Fatalf("createVaultAction() error = %v", err)
	}
	if err := u.lockAction(); err != nil {
		t.Fatalf("lockAction() error = %v", err)
	}

	if !u.shouldUseLockedSinglePane() {
		t.Fatal("shouldUseLockedSinglePane() = false, want true while locked")
	}

	if got := u.focusOrder(); !slices.Equal(got, []focusID{detailFocusID(detailFieldPassword)}) {
		t.Fatalf("focusOrder() while locked = %v, want only unlock password focus", got)
	}
}

func TestUICopyActionsWriteExpectedClipboardContentsAndSanitizedFeedback(t *testing.T) {
	t.Parallel()

	model := vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
		},
	}

	tests := []struct {
		name   string
		target clipboard.Target
		label  string
		want   string
	}{
		{name: "username", target: clipboard.TargetUsername, label: "copy username", want: "dannyocean"},
		{name: "password", target: clipboard.TargetPassword, label: "copy password", want: "token-1"},
		{name: "url", target: clipboard.TargetURL, label: "copy URL", want: "https://vault.crew.example.invalid"},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			u := newUIWithModel("desktop", model)
			writer := &memoryClipboardWriter{}
			u.clipboardWriter = writer
			u.showEntriesSection()
			u.state.NavigateToPath([]string{"Root", "Internet"})
			u.filter()
			u.state.SelectedEntryID = "vault-console"

			u.runAction(tt.label, func() error { return u.copySelectedFieldAction(tt.target) })

			if writer.content != tt.want {
				t.Fatalf("clipboard content = %q, want %q", writer.content, tt.want)
			}
			if u.state.StatusMessage != tt.label+" complete" {
				t.Fatalf("state.StatusMessage = %q, want %q", u.state.StatusMessage, tt.label+" complete")
			}
			if u.state.ErrorMessage != "" {
				t.Fatalf("state.ErrorMessage = %q, want empty", u.state.ErrorMessage)
			}
			if strings.Contains(u.state.StatusMessage, tt.want) {
				t.Fatalf("state.StatusMessage = %q, must not contain copied secret or field value %q", u.state.StatusMessage, tt.want)
			}
		})
	}
}

func TestUICopyActionSanitizesClipboardBackendErrors(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
		},
	})
	u.clipboardWriter = failingClipboardWriter{err: os.ErrPermission}
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"

	u.runAction("copy password", func() error { return u.copySelectedFieldAction(clipboard.TargetPassword) })

	if u.state.ErrorMessage != clipboard.ErrWriteFailed.Error() {
		t.Fatalf("state.ErrorMessage = %q, want %q", u.state.ErrorMessage, clipboard.ErrWriteFailed.Error())
	}
	if strings.Contains(u.state.ErrorMessage, "token-1") {
		t.Fatalf("state.ErrorMessage = %q, must not contain copied password", u.state.ErrorMessage)
	}
	if u.state.StatusMessage != "" {
		t.Fatalf("state.StatusMessage = %q, want empty on copy failure", u.state.StatusMessage)
	}
}

func TestUIGeneratedPasswordFlowsIntoEditEntryForm(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				URL:      "https://vault.crew.example.invalid",
				Path:     []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"
	u.loadSelectedEntryIntoEditor()
	u.passwordProfile.SetText("strong")

	if err := u.generatePasswordAction(); err != nil {
		t.Fatalf("generatePasswordAction() error = %v", err)
	}

	generated := u.entryPassword.Text()
	if generated == "token-1" {
		t.Fatal("entryPassword.Text() = token-1, want a newly generated password")
	}
	if len(generated) < passwords.DefaultProfiles()["strong"].Length {
		t.Fatalf("len(entryPassword.Text()) = %d, want at least %d after generate", len(generated), passwords.DefaultProfiles()["strong"].Length)
	}

	if err := u.saveEntryAction(); err != nil {
		t.Fatalf("saveEntryAction() error = %v", err)
	}

	saved, ok := u.selectedEntry()
	if !ok {
		t.Fatal("selectedEntry() ok = false, want true for edited entry")
	}
	if saved.Password != generated {
		t.Fatalf("saved.Password = %q, want generated password %q", saved.Password, generated)
	}
}

func TestUIPasswordRevealTogglesDisplayedPasswordAndLockResetsIt(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{
		Entries: []vault.Entry{
			{
				ID:       "vault-console",
				Title:    "Vault Console",
				Username: "dannyocean",
				Password: "token-1",
				Path:     []string{"Root", "Internet"},
			},
		},
	})
	u.showEntriesSection()
	u.state.NavigateToPath([]string{"Root", "Internet"})
	u.filter()
	u.state.SelectedEntryID = "vault-console"

	if got := u.detailPasswordValue(); got != "••••••••" {
		t.Fatalf("detailPasswordValue() hidden = %q, want %q", got, "••••••••")
	}

	u.showPassword = true
	if got := u.detailPasswordValue(); got != "token-1" {
		t.Fatalf("detailPasswordValue() revealed = %q, want %q", got, "token-1")
	}

	if err := u.lockAction(); err != nil {
		t.Fatalf("lockAction() error = %v", err)
	}
	if u.showPassword {
		t.Fatal("showPassword = true after lockAction(), want false")
	}
}

type memoryClipboardWriter struct {
	content string
}

func (w *memoryClipboardWriter) WriteText(text string) error {
	w.content = text
	return nil
}

type failingClipboardWriter struct {
	err error
}

func (w failingClipboardWriter) WriteText(string) error {
	return w.err
}

func TestUILocalLifecycleActionsUpdateVisibleStatusMessages(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")

	u.runAction("create vault", u.createVaultAction)
	if got := u.state.StatusMessage; got != "create vault complete" {
		t.Fatalf("status after create = %q, want %q", got, "create vault complete")
	}
	if got := u.state.ErrorMessage; got != "" {
		t.Fatalf("error after create = %q, want empty", got)
	}

	path := filepath.Join(t.TempDir(), "keepassgo.kdbx")
	u.saveAsPath.SetText(path)
	u.runAction("save-as vault", u.saveAsAction)
	if got := u.state.StatusMessage; got != "save-as vault complete" {
		t.Fatalf("status after save-as = %q, want %q", got, "save-as vault complete")
	}
	if got := u.state.ErrorMessage; got != "" {
		t.Fatalf("error after save-as = %q, want empty", got)
	}

	if err := u.state.UpsertEntry(vault.Entry{
		ID:       "vault-console",
		Title:    "Vault Console",
		Username: "dannyocean",
		Password: "token-1",
		URL:      "https://vault.crew.example.invalid",
		Path:     []string{"Root", "Internet"},
	}); err != nil {
		t.Fatalf("UpsertEntry() error = %v", err)
	}

	u.runAction("save vault", u.saveAction)
	if got := u.state.StatusMessage; got != "save vault complete" {
		t.Fatalf("status after save = %q, want %q", got, "save vault complete")
	}
	if got := u.state.ErrorMessage; got != "" {
		t.Fatalf("error after save = %q, want empty", got)
	}

	u.runAction("lock vault", u.lockAction)
	if got := u.state.StatusMessage; got != "lock vault complete" {
		t.Fatalf("status after lock = %q, want %q", got, "lock vault complete")
	}
	if got := u.state.ErrorMessage; got != "" {
		t.Fatalf("error after lock = %q, want empty", got)
	}

	u.masterPassword.SetText("correct horse battery staple")
	u.runAction("unlock vault", u.unlockAction)
	if got := u.state.StatusMessage; got != "unlock vault complete" {
		t.Fatalf("status after unlock = %q, want %q", got, "unlock vault complete")
	}
	if got := u.state.ErrorMessage; got != "" {
		t.Fatalf("error after unlock = %q, want empty", got)
	}

	reopened := newUIWithSession("desktop", &session.Manager{})
	reopened.masterPassword.SetText("correct horse battery staple")
	reopened.vaultPath.SetText(path)
	reopened.runAction("open vault", reopened.openVaultAction)
	if got := reopened.state.StatusMessage; got != "" {
		t.Fatalf("status after open = %q, want empty", got)
	}
	if got := reopened.state.ErrorMessage; got != "" {
		t.Fatalf("error after open = %q, want empty", got)
	}
}

func TestUIGroupDeletionOnlyAllowsEmptyGroupsAndRequiresConfirmation(t *testing.T) {
	t.Parallel()

	t.Run("non-empty group cannot be deleted", func(t *testing.T) {
		t.Parallel()

		u := newUIWithModel("desktop", vault.Model{
			Entries: []vault.Entry{
				{ID: "entry-1", Title: "Vault Console", Path: []string{"Root", "Internet"}},
			},
			Groups: [][]string{{"Root"}, {"Root", "Internet"}},
		})
		u.showEntriesSection()
		u.state.NavigateToPath([]string{"Root", "Internet"})
		u.filter()

		if deletable, reason := u.currentGroupDeletionState(); deletable {
			t.Fatal("currentGroupDeletionState() deletable = true, want false for non-empty group")
		} else if !strings.Contains(reason, "contains entries") {
			t.Fatalf("currentGroupDeletionState() reason = %q, want contains entries guidance", reason)
		}
	})

	t.Run("empty group requires confirmation before deletion", func(t *testing.T) {
		t.Parallel()

		u := newUIWithModel("desktop", vault.Model{
			Groups: [][]string{{"Root"}, {"Root", "Archive"}},
		})
		u.showEntriesSection()
		u.state.NavigateToPath([]string{"Root", "Archive"})
		u.filter()

		if deletable, reason := u.currentGroupDeletionState(); !deletable {
			t.Fatalf("currentGroupDeletionState() = false, want true for empty group: %q", reason)
		}

		u.armDeleteCurrentGroupAction()
		if !u.deleteGroupPendingConfirmation() {
			t.Fatal("deleteGroupPendingConfirmation() = false, want true after arming delete")
		}
		if got := u.state.StatusMessage; !strings.Contains(got, "Confirm deleting empty group") {
			t.Fatalf("StatusMessage after arming delete = %q, want confirmation guidance", got)
		}

		if err := u.deleteCurrentGroupAction(); err != nil {
			t.Fatalf("deleteCurrentGroupAction() error = %v", err)
		}
		if u.deleteGroupPendingConfirmation() {
			t.Fatal("deleteGroupPendingConfirmation() = true, want false after deletion")
		}
		if got := u.currentPath; !slices.Equal(got, []string{"Root"}) {
			t.Fatalf("currentPath after delete = %v, want [Root]", got)
		}
		if got := u.childGroups(); len(got) != 0 {
			t.Fatalf("childGroups() after delete = %v, want empty", got)
		}
	})
}

func TestUITemplateSectionEmptyStateStaysProductSpecific(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("desktop", vault.Model{})
	u.showTemplatesSection()

	got := u.listEmptyMessage()
	if got != "Templates are not available in this build." {
		t.Fatalf("listEmptyMessage() = %q, want templates unavailable copy", got)
	}
}

func TestUIListEmptyStateProvidesSectionSpecificGuidance(t *testing.T) {
	t.Parallel()

	t.Run("empty group", func(t *testing.T) {
		t.Parallel()

		u := newUIWithModel("desktop", vault.Model{
			Entries: []vault.Entry{
				{ID: "entry-1", Title: "Root Entry", Path: []string{"Root"}},
			},
		})
		u.showEntriesSection()
		u.setCurrentPath([]string{"Root", "Empty Group"})

		got := u.listEmptyState()
		want := emptyState{
			Title: "This group is empty",
			Body:  "Add an entry here, search below this point, or open a subgroup.",
		}
		if got != want {
			t.Fatalf("listEmptyState() = %#v, want %#v", got, want)
		}
	})

	t.Run("recycle search", func(t *testing.T) {
		t.Parallel()

		u := newUIWithModel("desktop", vault.Model{})
		u.showRecycleBinSection()
		u.search.SetText("orphaned")

		got := u.listEmptyState()
		want := emptyState{
			Title: "No matching deleted entries",
			Body:  `No recycle-bin entries match "orphaned". Clear or refine Search vault to look across deleted titles, usernames, URLs, and paths.`,
		}
		if got != want {
			t.Fatalf("listEmptyState() = %#v, want %#v", got, want)
		}
	})

	t.Run("api tokens", func(t *testing.T) {
		t.Parallel()

		u := newUIWithModel("desktop", vault.Model{})
		u.showAPITokensSection()

		got := u.listEmptyState()
		want := emptyState{
			Title: "No API tokens yet",
			Body:  "Issue a token to grant scoped gRPC access to an external tool.",
		}
		if got != want {
			t.Fatalf("listEmptyState() = %#v, want %#v", got, want)
		}
	})
}

func TestUIVisibleBreadcrumbsCompressesAggressivelyOnPhone(t *testing.T) {
	t.Parallel()

	u := newUIWithModel("phone", vault.Model{})

	gotCrumbs, gotIndices := u.visibleBreadcrumbs([]string{"Root", "Infrastructure"})
	if !slices.Equal(gotCrumbs, []string{"/", "Infrastructure"}) {
		t.Fatalf("visibleBreadcrumbs() crumbs = %v, want [\"/\" Infrastructure]", gotCrumbs)
	}
	if !slices.Equal(gotIndices, []int{0, 2}) {
		t.Fatalf("visibleBreadcrumbs() indices = %v, want [0 2]", gotIndices)
	}

	gotCrumbs, gotIndices = u.visibleBreadcrumbs([]string{"Root", "Infrastructure", "SSH"})
	if !slices.Equal(gotCrumbs, []string{"/", "…", "SSH"}) {
		t.Fatalf("visibleBreadcrumbs() deep crumbs = %v, want [\"/\" \"…\" SSH]", gotCrumbs)
	}
	if !slices.Equal(gotIndices, []int{0, 2, 3}) {
		t.Fatalf("visibleBreadcrumbs() deep indices = %v, want [0 2 3]", gotIndices)
	}
}

func TestUILocalLifecycleActionErrorsAreVisibleAndSpecific(t *testing.T) {
	t.Parallel()

	t.Run("save without configured path", func(t *testing.T) {
		t.Parallel()

		u := newUIWithSession("desktop", &session.Manager{}, statePaths{
			DefaultSaveAsPath: filepath.Join(t.TempDir(), "default-save-path.kdbx"),
			RecentVaultsPath:  filepath.Join(t.TempDir(), "recent-vaults.json"),
			RecentRemotesPath: filepath.Join(t.TempDir(), "recent-remotes.json"),
			UIPreferencesPath: filepath.Join(t.TempDir(), "ui-preferences.json"),
		})
		u.masterPassword.SetText("correct horse battery staple")

		u.runAction("create vault", u.createVaultAction)
		u.runAction("save vault", u.saveAction)

		if got := u.state.StatusMessage; got != "save vault complete" {
			t.Fatalf("status after save = %q, want %q", got, "save vault complete")
		}
		if got := u.state.ErrorMessage; got != "" {
			t.Fatalf("error after save = %q, want empty", got)
		}
	})

	t.Run("save-as uses default target path", func(t *testing.T) {
		t.Parallel()

		u := newUIWithSession("desktop", &session.Manager{}, statePaths{
			DefaultSaveAsPath: filepath.Join(t.TempDir(), "default-save-path.kdbx"),
			RecentVaultsPath:  filepath.Join(t.TempDir(), "recent-vaults.json"),
			RecentRemotesPath: filepath.Join(t.TempDir(), "recent-remotes.json"),
			UIPreferencesPath: filepath.Join(t.TempDir(), "ui-preferences.json"),
		})
		u.masterPassword.SetText("correct horse battery staple")
		u.defaultSaveAsPath = filepath.Join(t.TempDir(), "default-save-as.kdbx")

		u.runAction("create vault", u.createVaultAction)
		u.runAction("save-as vault", u.saveAsAction)

		if got := u.state.StatusMessage; got != "save-as vault complete" {
			t.Fatalf("status after save-as = %q, want %q", got, "save-as vault complete")
		}
		if got := u.state.ErrorMessage; got != "" {
			t.Fatalf("error after save-as = %q, want empty", got)
		}
		if _, err := os.Stat(u.defaultSaveAsPath); err != nil {
			t.Fatalf("Stat(defaultSaveAsPath) error = %v", err)
		}
	})

	t.Run("open without target path", func(t *testing.T) {
		t.Parallel()

		u := newUIWithSession("desktop", &session.Manager{})
		u.masterPassword.SetText("correct horse battery staple")
		u.vaultPath.SetText("")

		u.runAction("open vault", u.openVaultAction)

		if got := u.state.StatusMessage; got != "" {
			t.Fatalf("status after failed open = %q, want empty", got)
		}
		if got := u.state.ErrorMessage; got != "vault path is required" {
			t.Fatalf("error after failed open = %q, want %q", got, "vault path is required")
		}
	})

	t.Run("open unreadable path", func(t *testing.T) {
		t.Parallel()

		u := newUIWithSession("desktop", &session.Manager{})
		u.masterPassword.SetText("correct horse battery staple")
		u.vaultPath.SetText(filepath.Join(t.TempDir(), "missing.kdbx"))

		u.runAction("open vault", u.openVaultAction)

		if got := u.state.StatusMessage; got != "" {
			t.Fatalf("status after unreadable open = %q, want empty", got)
		}
		if got := u.state.ErrorMessage; got == "" || !strings.Contains(got, "read ") {
			t.Fatalf("error after unreadable open = %q, want read failure", got)
		}
	})

	t.Run("open decode failure", func(t *testing.T) {
		t.Parallel()

		path := filepath.Join(t.TempDir(), "corrupt.kdbx")
		if err := os.WriteFile(path, []byte("not-a-kdbx"), 0o600); err != nil {
			t.Fatalf("WriteFile(corrupt) error = %v", err)
		}

		u := newUIWithSession("desktop", &session.Manager{})
		u.masterPassword.SetText("correct horse battery staple")
		u.vaultPath.SetText(path)

		u.runAction("open vault", u.openVaultAction)

		if got := u.state.StatusMessage; got != "" {
			t.Fatalf("status after decode failure = %q, want empty", got)
		}
		if got := u.state.ErrorMessage; got == "" || !strings.Contains(got, "decode kdbx") {
			t.Fatalf("error after decode failure = %q, want decode kdbx failure", got)
		}
	})

	t.Run("open invalid master key", func(t *testing.T) {
		t.Parallel()

		path := filepath.Join(t.TempDir(), "vault.kdbx")
		var encoded bytes.Buffer
		if err := vault.SaveKDBX(&encoded, vault.Model{}, "correct horse battery staple"); err != nil {
			t.Fatalf("SaveKDBX() error = %v", err)
		}
		if err := os.WriteFile(path, encoded.Bytes(), 0o600); err != nil {
			t.Fatalf("WriteFile(vault) error = %v", err)
		}

		u := newUIWithSession("desktop", &session.Manager{})
		u.masterPassword.SetText("wrong password")
		u.vaultPath.SetText(path)

		u.runAction("open vault", u.openVaultAction)

		if got := u.state.StatusMessage; got != "" {
			t.Fatalf("status after invalid master open = %q, want empty", got)
		}
		if got := u.state.ErrorMessage; !strings.Contains(got, vault.ErrInvalidMasterKey.Error()) {
			t.Fatalf("error after invalid master open = %q, want %q", got, vault.ErrInvalidMasterKey.Error())
		}
	})

	t.Run("unlock invalid master key", func(t *testing.T) {
		t.Parallel()

		u := newUIWithSession("desktop", &session.Manager{})
		u.masterPassword.SetText("correct horse battery staple")
		if err := u.createVaultAction(); err != nil {
			t.Fatalf("createVaultAction() error = %v", err)
		}
		if err := u.lockAction(); err != nil {
			t.Fatalf("lockAction() error = %v", err)
		}

		u.masterPassword.SetText("wrong password")
		u.runAction("unlock vault", u.unlockAction)

		if got := u.state.StatusMessage; got != "" {
			t.Fatalf("status after invalid unlock = %q, want empty", got)
		}
		if got := u.state.ErrorMessage; !strings.Contains(got, vault.ErrInvalidMasterKey.Error()) {
			t.Fatalf("error after invalid unlock = %q, want %q", got, vault.ErrInvalidMasterKey.Error())
		}
	})
}

func TestUILocalLifecycleActionsClearStaleMessagesOnSuccess(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.masterPassword.SetText("correct horse battery staple")

	u.runAction("save vault", u.saveAction)
	if u.state.ErrorMessage == "" {
		t.Fatal("error after failed save = empty, want visible failure")
	}

	u.runAction("create vault", u.createVaultAction)
	if got := u.state.ErrorMessage; got != "" {
		t.Fatalf("error after create = %q, want cleared", got)
	}
	if got := u.state.StatusMessage; got != "create vault complete" {
		t.Fatalf("status after create = %q, want %q", got, "create vault complete")
	}
}

func TestUICurrentMasterKeyReportsUnreadableKeyFile(t *testing.T) {
	t.Parallel()

	u := newUIWithSession("desktop", &session.Manager{})
	u.keyFilePath.SetText(filepath.Join(t.TempDir(), "missing.key"))

	_, err := u.currentMasterKey()
	if err == nil {
		t.Fatal("currentMasterKey() error = nil, want read failure")
	}
	if !errors.Is(err, os.ErrNotExist) {
		t.Fatalf("currentMasterKey() error = %v, want os.ErrNotExist", err)
	}
}

func writeKDBXMainTestFile(t *testing.T, path string, model vault.Model, key vault.MasterKey) {
	t.Helper()

	var encoded bytes.Buffer
	if err := vault.SaveKDBXWithKey(&encoded, model, key); err != nil {
		t.Fatalf("SaveKDBXWithKey(%s) error = %v", path, err)
	}
	if err := os.WriteFile(path, encoded.Bytes(), 0o600); err != nil {
		t.Fatalf("WriteFile(%s) error = %v", path, err)
	}
}

type mainStubApprovalManager struct {
	pending     []apiapproval.Request
	lastID      string
	lastOutcome apiapproval.Outcome
}

func (m mainStubApprovalManager) Pending() []apiapproval.Request {
	return append([]apiapproval.Request(nil), m.pending...)
}

func (m *mainStubApprovalManager) Resolve(id string, outcome apiapproval.Outcome) (apiapproval.Request, *apitokens.PolicyRule, error) {
	m.lastID = id
	m.lastOutcome = outcome
	return apiapproval.Request{ID: id}, nil, nil
}