package main

import (
	"image"

	"gioui.org/layout"
	"gioui.org/op/paint"
	"gioui.org/unit"
	"gioui.org/widget"
)

func (u *ui) lifecycleBranding(gtx layout.Context) layout.Dimensions {
	if u.mode != "phone" {
		return layout.Dimensions{}
	}
	return layout.Dimensions{}
}

func (u *ui) brandMark(gtx layout.Context, widthDP, heightDP float32) layout.Dimensions {
	if u.mode == "phone" {
		return u.brandImage(gtx, u.splashSquare, widthDP, heightDP)
	}
	return u.brandImage(gtx, u.logoHorizontal, widthDP, heightDP)
}

func (u *ui) brandImage(gtx layout.Context, src paint.ImageOp, widthDP, heightDP float32) layout.Dimensions {
	width := gtx.Dp(unit.Dp(widthDP))
	height := gtx.Dp(unit.Dp(heightDP))
	if width > gtx.Constraints.Max.X {
		width = gtx.Constraints.Max.X
	}
	if height > gtx.Constraints.Max.Y && gtx.Constraints.Max.Y > 0 {
		height = gtx.Constraints.Max.Y
	}
	img := widget.Image{
		Src:      src,
		Fit:      widget.Contain,
		Position: layout.W,
		Scale:    1.0 / gtx.Metric.PxPerDp,
	}
	gtx.Constraints.Min = image.Point{}
	gtx.Constraints.Max = image.Pt(width, height)
	return img.Layout(gtx)
}