var game = new Phaser.Game(800, 240, Phaser.CANVAS, '', {
  preload: preload,
  create: create,
  update: update
}, false, false);
var score = 0;
var scoreText;

function preload() {
  game.load.spritesheet('tiles', 'tiled/tiles_dctsfk.png', 16, 16);
  game.load.spritesheet('goomba', 'assets/willie/dude-willie.png', 32, 48);
  //game.load.spritesheet('mario', 'http://res.cloudinary.com/harsay/image/upload/v1464614984/mario_wjlfy5.png', 16, 16);
  game.load.spritesheet('coin', 'tiled/coin_iormvy.png', 16, 16);
  game.load.spritesheet('mario', resource.dude, 32, 48);
  game.load.tilemap('level', 'tiled/world.json', null, Phaser.Tilemap.TILED_JSON);
}

function create() {
  Phaser.Canvas.setImageRenderingCrisp(game.canvas)  //renderizzare meglio
  game.scale.pageAlignHorizontally = true;  //per scalare
  game.scale.pageAlignVertically = true
  game.scale.scaleMode = Phaser.ScaleManager.SHOW_ALL;
  game.physics.startSystem(Phaser.Physics.ARCADE);

  game.stage.backgroundColor = '#5c94fc';

  map = game.add.tilemap('level');
  map.addTilesetImage('tiles', 'tiles');
  map.setCollisionBetween(3, 12, true, 'solid');

  map.createLayer('background');

  layer = map.createLayer('solid');
  layer.resizeWorld();

  coins = game.add.group();
  coins.enableBody = true;
  map.createFromTiles(2, null, 'coin', 'stuff', coins);
  coins.callAll('animations.add', 'animations', 'spin', [0, 0, 1, 2], 3, true);
  coins.callAll('animations.play', 'animations', 'spin');

  goombas = game.add.group();
  goombas.enableBody = true;
  map.createFromTiles(1, null, 'goomba', 'stuff', goombas);
  goombas.callAll('animations.add', 'animations', 'walkLeft', [0, 1, 2, 3], 7, true);
  goombas.callAll('animations.add', 'animations', 'walkRight', [5, 6, 7, 8], 7, true);
  goombas.callAll('animations.play', 'animations', 'walkLeft');
  goombas.setAll('body.bounce.x', 1);
  goombas.setAll('body.velocity.x', -80);
  goombas.setAll('body.gravity.y', 500);

  player = game.add.sprite(32, game.world.height - 150, 'mario');
  game.physics.arcade.enable(player);
  player.body.gravity.y = 370;
  player.body.collideWorldBounds = true;
  //player.animations.add('walkRight', [1, 2, 3], 10, true);
  //player.animations.add('walkLeft', [8, 9, 10], 10, true);
  player.animations.add('left', [0, 1, 2, 3], 7, true);
  player.animations.add('right', [5, 6, 7, 8], 7, true);
  player.goesRight = true;

  game.camera.follow(player);

  cursors = game.input.keyboard.createCursorKeys();

  scoreText = game.add.text(16, 16, 'pilla: 0', { fontSize: '32px', fill: '#000' });
}

function update() {
  game.physics.arcade.collide(player, layer);
  game.physics.arcade.collide(goombas, layer);
  game.physics.arcade.overlap(player, goombas, goombaOverlap);
  game.physics.arcade.overlap(player, coins, coinOverlap);
  game.physics.arcade.overlap(goombas, layer, goombaCollide);


  if (player.body.enable) {
    player.body.velocity.x = 0;
    if (cursors.left.isDown) {
      player.body.velocity.x = -90;
      player.animations.play('left');
      player.goesRight = false;
    } else if (cursors.right.isDown) {
      player.body.velocity.x = 90;
      player.animations.play('right');
      player.goesRight = true;
    } else {
      player.animations.stop();
      player.frame = 4;
    }

    if (cursors.up.isDown && player.body.onFloor()) {
      player.body.velocity.y = -190;
      player.animations.stop();
    }

    if (player.body.velocity.y != 0) {
      if (player.goesRight) player.frame = 8;
      else player.frame = 3;
    }
  }
}

function goombaCollide(goomba, layer){
  if (goomba.animations.name=='walkLeft'  && 
    goomba.body.blocked.left) {
    goomba.animations.play('walkRight'); 
    goomba.animations.update;
 }
  else if (goomba.animations.name=='walkRight' && 
    goomba.body.blocked.right) {
    goomba.animations.play('walkLeft');
    goomba.animations.update;

  };
}

function coinOverlap(player, coin) {
  coin.kill();
  collectHeart();
}

function goombaOverlap(player, goomba) {
  if (player.body.touching.down) {
    goomba.animations.stop();
    goomba.frame = 4;
    goomba.body.enable = false;
    player.body.velocity.y = -80;
    game.time.events.add(Phaser.Timer.SECOND, function() {
      goomba.kill();
    });
  } else {
    player.frame = 6;
    player.body.enable = false;
    player.animations.stop();
    game.time.events.add(Phaser.Timer.SECOND * 3, function() {
      game.paused = true;
    });
  }
}

function collectHeart (player, star) {
    score += 1;
    scoreText.text = 'pilla: ' + score; 
}