const asdf = require("asdf-games");
// eslint-disable-next-line no-unused-vars
const { Container, Camera } = asdf;

const debugMode = true;

const Stats = require(__dirname + "/../helpers/stats.js");
var Player = require(__dirname + "/../entities/player.js");
var Level = require(__dirname + "/../helpers/level.js");

class GameScreen extends Container {
  constructor(game, window, keys, onGameOver, onComplete) {
    super();

    this.game = game;
    this.scene = this;
    this.window = window;
    this.keys = keys;
    this.onGameOver = onGameOver;
    this.onComplete = onComplete;

    this.keys.reset();

    // Initialise first level 1-1.js at startPosition 0
    var player = new Player(keys, window);

    var level = new Level(require(__dirname + "/../levels/2-2.js"), keys, player, this);
    player.pos.x = level.startPos[0].x / 1;
    player.pos.y = level.startPos[0].y / 1;
    player.level = level;

    var camera = new Camera(player, window, { w: level.w * 2, h: level.h * 2 });
    var stats = new Stats(player);

    this.add(camera);
    camera.add(level);
    camera.add(player);
    this.add(stats);

    this.camera = camera;
    this.player = player;
    this.level = level;
    this.stats = stats;
  }

  switchLevel(module, pos = 0) {
    var { scene, camera, player, level, stats, keys } = this;

    camera.map(function(e) {
      camera.remove(e);
      if (e instanceof Level) {
        var lives = player.lives;
        var items = player.items;

        var p = new Player(keys, window);
        player = p;

        e = new Level(module, keys, player, scene);
        level = e;

        player.pos.x = level.startPos[pos].x / 1;
        player.pos.y = level.startPos[pos].y / 1;

        player.lives = lives;
        player.items = items;
        player.level = e;
      
        stats.player = player;
    
        camera.add(e);
        camera.worldSize = { w: e.w, h: e.h };

        camera.add(player);
        camera.setSubject(player);
      }
    });

    this.player = player;
    this.level = level;
    this.stats = stats;
    this.camera = camera;
    this.keys.reset();
  }

  update(dt, t) {
    super.update(dt, t);
    var { camera, player, level, keys } = this;

    // Debug options
    if (debugMode && keys.escape) {
      console.debug(level);
      console.debug(player);
    }

    if (player.lives <= 0) {
      this.onGameOver();
    }

    if (level.gameComplete) {
      this.onComplete();
    }

    // Switch to another level
    if (level.switch) {
      if (debugMode) {
        console.debug("Switching level!", level);
      }
      this.switchLevel(require(level.switch.module), level.switch.pos);
      level.switch = undefined;
    }

    // Refocus camera to player when player is moved by a portal
    if (player.refocus) {
      camera.setSubject(player);
      player.refocus = false;
    }
  }
}

module.exports = GameScreen;