package splashmenu

import (
	"image/color"
	"log"

	"github.com/hajimehoshi/ebiten/v2"
	"github.com/hajimehoshi/ebiten/v2/examples/resources/fonts"
	"github.com/hajimehoshi/ebiten/v2/inpututil"
	"github.com/hajimehoshi/ebiten/v2/text"
	"golang.org/x/image/font"
	"golang.org/x/image/font/opentype"
)

var (
	menuFont font.Face
)

func init() {
	tt, err := opentype.Parse(fonts.PressStart2P_ttf)
	if err != nil {
		log.Fatal(err)
	}

	const dpi = 72
	menuFont, err = opentype.NewFace(tt, &opentype.FaceOptions{
		Size:    12,
		DPI:     dpi,
		Hinting: font.HintingVertical,
	})
	if err != nil {
		log.Fatal(err)
	}
}

type Menu struct {
	bgcolor   color.RGBA
	completed bool
}

func NewMenu() Menu {
	return Menu{
		bgcolor:   color.RGBA{0x33, 0x33, 0x99, 0xFF},
		completed: false,
	}
}

func (m *Menu) Draw(screen *ebiten.Image) {
	screen.Fill(m.bgcolor)
	text.Draw(screen, "menu", menuFont, 40, 40, color.White)
}

func (m *Menu) Update() error {

	var keysPressed []ebiten.Key
	keysPressed = inpututil.AppendPressedKeys(keysPressed[:0])
	for _, k := range keysPressed {
		if k == ebiten.KeyEnter {
			m.completed = true
		}
	}

	return nil
}

func (m *Menu) Completed() bool {
	return m.completed
}