package game

import (
	"fmt"
	"image/color"

	"github.com/hajimehoshi/ebiten/v2"
	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
	"github.com/hajimehoshi/ebiten/v2/vector"

	"gitea.brasse-pc.eu/brasse/metro-puzzle-jp/internal/level"
)

// ResultScene visas när spelaren nått en perrong.
type ResultScene struct {
	from  *LevelScene
	train *level.Train
}

// NewResultScene bygger resultatet för banan som just spelades.
func NewResultScene(from *LevelScene, train *level.Train) *ResultScene {
	return &ResultScene{from: from, train: train}
}

func (r *ResultScene) correct() bool { return r.train != nil && r.train.Correct }

func (r *ResultScene) Update(g *Game) error {
	switch {
	case inpututil_R():
		s, err := NewLevelScene(g.Assets, r.from.id)
		if err != nil {
			return err
		}
		g.SetScene(s)
	case confirmJustPressed() || backJustPressed():
		m, err := NewMenuScene(g.Assets)
		if err != nil {
			return err
		}
		g.SetScene(m)
	}
	return nil
}

func (r *ResultScene) Draw(g *Game, screen *ebiten.Image) {
	r.from.Draw(g, screen) // banan i bakgrunden
	bg := color.RGBA{24, 20, 37, 230}
	vector.DrawFilledRect(screen, 20, 40, ScreenW-40, 100, bg, false)
	accent := color.RGBA{228, 59, 68, 255}
	headline := g.Assets.T("level.wrong_train")
	if r.correct() {
		accent = color.RGBA{99, 199, 77, 255}
		headline = g.Assets.T("level.cleared")
	}
	vector.DrawFilledRect(screen, 20, 40, ScreenW-40, 3, accent, false)

	ebitenutil.DebugPrintAt(screen, headline, 28, 50)
	if r.train != nil {
		ebitenutil.DebugPrintAt(screen, fmt.Sprintf("%s -> %s", r.train.Line.Get("romaji"),
			r.train.Destination.Get("romaji")), 28, 66) // TODO(M3): japanska när fonten finns
	}
	ebitenutil.DebugPrintAt(screen, fmt.Sprintf("%s %.1fs   %s %d", g.Assets.T("hud.time"), r.from.elapsed,
		g.Assets.T("hud.steps"), r.from.steps), 28, 86)
	ebitenutil.DebugPrintAt(screen, g.Assets.T("result.hint"), 28, 118)
}