package main

import (
	"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/core"
	"git.vezzani.net/ben/games/common/elements/v1/mouse"
	"git.vezzani.net/ben/games/common/elements/v1/stacks"
	"git.vezzani.net/ben/games/common/geo"
	"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.Core(core.Name("parent")),
	stacks.Core(core.Children(
		stacks.New(
			stacks.Core(
				core.Name("left"),
				core.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.Core(core.Name("right")),
			stacks.Core(core.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 {
	bounds      geo.Bounds
	handleMouse func() bool
}

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

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

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

	return outsideWidth, outsideHeight
}