package main

import (
	"git.vezzani.net/ben/games/common/elements/v1"
	"git.vezzani.net/ben/games/common/elements/v1/blocks"
	"git.vezzani.net/ben/games/common/elements/v1/buttons"
	"git.vezzani.net/ben/games/common/elements/v1/mouse"
	"git.vezzani.net/ben/games/common/elements/v1/stacks"
	"git.vezzani.net/ben/games/common/sprites/v1"

	"github.com/hajimehoshi/ebiten/v2"
	"golang.org/x/image/colornames"
)

var root = stacks.New(
	stacks.Horizontal(),
	//stacks.BlockOpt(blocks.BackgroundColor(color.White)),
	//stacks.BlockOpt(blocks.Name("parent")),
	stacks.Children(
		stacks.New(
			//stacks.BlockOpt(blocks.Name("left")),
			stacks.Children(
				buttons.New(
					buttons.BlockOpt(blocks.Size(100, 100)),
					buttons.Label("hello"),
					buttons.BlockOpt(blocks.BackgroundColor(colornames.Green)),
					buttons.OnClick(func(ms mouse.State) {
						println("green")
					}),
				),
				blocks.New(
					blocks.Size(100, 100),
					blocks.BackgroundColor(colornames.Yellow),
				),
			),
		),
		stacks.New(
			//stacks.BlockOpt(blocks.Name("right")),
			stacks.Children(
				blocks.New(
					blocks.Size(100, 100),
					blocks.BackgroundColor(colornames.Blue),
				),
				blocks.New(
					blocks.Size(100, 100),
					blocks.BackgroundColor(colornames.Red),
				),
			),
		),
	),
)

func newEditor() *editor {
	return &editor{}
}

type editor struct {
	root        elements.Element
	bounds      elements.Bounds
	handleMouse func() bool
}

func (e *editor) Update() error {
	sprites.Update()
	e.handleMouse()
	return nil
}

func (e *editor) Draw(screen *ebiten.Image) {
	e.root.Draw(screen)
}

func (e *editor) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) {
	if e.bounds.Width != outsideWidth || e.bounds.Height != outsideHeight {
		e.bounds = elements.Bounds{
			Min:    elements.Point{},
			Width:  outsideWidth,
			Height: outsideHeight,
		}
		e.root = root()
		e.handleMouse = mouse.Handler(e.root)
	}

	return outsideWidth, outsideHeight
}