package game

import (
	"fmt"
	"strings"

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

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

// ResultScene visas när banan är avgjord (rätt eller fel tåg).
type ResultScene struct {
	from *LevelScene
}

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

func (r *ResultScene) Update(g *Game) error {
	switch {
	case wordsJustPressed():
		g.SetScene(NewWordsScene(g.Assets, r))
	case inpututil_R():
		s, err := NewLevelScene(g.Assets, r.from.id, g.Know, g.seed())
		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
	run := r.from.run
	a := g.Assets
	vector.DrawFilledRect(screen, 20, 36, ScreenW-40, 120, colPanel, false)

	accent, headline := colBad, a.T("level.wrong_train")
	if run.Outcome == sim.Won {
		accent, headline = colGood, a.T("level.cleared")
	}
	vector.DrawFilledRect(screen, 20, 36, ScreenW-40, 3, accent, false)
	a.DrawBig(screen, headline, 28, 44, accent)
	if run.Outcome == sim.Won {
		stars := strings.Repeat("★", run.Stars) + strings.Repeat("☆", 3-run.Stars)
		a.DrawBig(screen, stars, ScreenW-28-a.Width(stars)-8, 44, colWarn)
	}

	y := 62
	if tr := run.Boarded; tr != nil {
		a.Draw(screen, fmt.Sprintf("%s%s  %s  %s%s", tr.Track, a.T("hud.track_suffix_ja"), tr.Line.Get("ja"),
			tr.Destination.Get("ja"), a.T("hud.for_ja")), 28, y, colKnown)
		y += LineH
		a.Draw(screen, fmt.Sprintf("%s %s  %s → %s", a.T("hud.track"), tr.Track, tr.Line.Get("romaji"), tr.Destination.Get("romaji")), 28, y, colDim)
		y += LineH
		if run.Outcome == sim.Lost {
			for _, l := range a.wrapLine(plainLine(fmt.Sprintf(a.T("result.wrong_detail"), tr.Destination.Get("romaji"),
				run.Level.Destination.Get("romaji")), colText), ScreenW-56) {
				a.drawLines(screen, []line{l}, 28, y)
				y += LineH
			}
		}
	}
	y += 4
	a.Draw(screen, fmt.Sprintf("%s %.1fs (%s %.0fs)  %s %d  %s %.0f %%", a.T("hud.time"), run.Time, a.T("result.par"), run.ParSec(),
		a.T("hud.steps"), run.Steps, a.T("result.explored"), 100*run.Fog.Explored(run.Level)), 28, y, colText)
	y += LineH
	a.Draw(screen, fmt.Sprintf("%s %d  %s %d¥  %s %d", a.T("result.gates"), run.GatePasses, a.T("result.card"), run.Card.Balance,
		a.T("result.served"), run.Served), 28, y, colText)
	y += LineH
	if run.Outcome == sim.Won {
		msg := fmt.Sprintf("+%d %s", run.PointsEarned, a.T("words.points"))
		if len(run.LearnedDest) > 0 {
			msg += "   " + a.T("hud.learned") + ": " + strings.Join(run.LearnedDest, " ") + " (" + a.T("result.destination") + ")"
		}
		a.Draw(screen, msg, 28, y, colKnown)
		y += LineH
	}
	a.Draw(screen, fmt.Sprintf("%s Lv%d  %d %s  %s %d  (%d %s)", a.T("hud.japanese"), run.Know.Level(), run.Know.Count(),
		a.T("hud.words"), a.T("words.points"), run.Know.Points, run.Know.Helps, a.T("result.helps")), 28, y, colDim)
	a.Draw(screen, a.T("result.hint"), 28, 141, colDim)
}