package game

import (
	"fmt"
	"openquell/assets"

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

// Wrapper for  different screens  to be  shown, as  Welcome, Options,
// About, Select Level and of course the actual Levels.
// Scenes are responsible for screen clearing! That way a scene is able
// to render its content onto the running level, e.g. the options scene
// etc.
type Scene interface {
	Update() error
	Draw(screen *ebiten.Image)
}

type LevelScene struct {
	Game         *Game
	CurrentLevel int
	Levels       []*Level
}

// Implements the actual playing Scene
func NewLevelScene(game *Game, startlevel int) Scene {
	scene := &LevelScene{Game: game, CurrentLevel: startlevel}

	scene.GenerateLevels()
	scene.Levels[game.CurrentLevel].SetupGrid(game)
	fmt.Println(game.World.Stats().String())

	return scene
}

func (scene *LevelScene) GenerateLevels() {
	for _, level := range assets.Levels {
		scene.Levels = append(scene.Levels, NewLevel(scene.Game, 32, &level))
	}
}

func (scene *LevelScene) Update() error {
	scene.Levels[scene.CurrentLevel].Update()
	return nil
}

func (scene *LevelScene) Draw(screen *ebiten.Image) {
	screen.Clear()
	scene.Levels[scene.CurrentLevel].Draw(screen)
}