/****
* Classes
****/
// Class for Bubbles
var Bubble = Container.expand(function () {
  var self = Container.call(this);
  var bubbleGraphics = self.attachAsset('bubble', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -5;
  self.update = function () {
    self.y += self.speed;
  };
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for the Dragon character
var Dragon = Container.expand(function () {
  var self = Container.call(this);
  var dragonGraphics = self.attachAsset('dragon', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.shootBubble = function () {
    var bubble = new Bubble();
    bubble.x = self.x;
    bubble.y = self.y;
    game.addChild(bubble);
    bubbles.push(bubble);
  };
});
// Class for Enemies
var Enemy = Container.expand(function () {
  var self = Container.call(this);
  var enemyGraphics = self.attachAsset('enemy', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    // Enemy movement logic
  };
});

/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x000000 //Init game with black background 
});

/****
* Game Code
****/
// Initialize arrays and variables
var dragon = game.addChild(new Dragon());
dragon.x = 1024; // Center horizontally
dragon.y = 2400; // Near the bottom of the screen
var bubbles = [];
var enemies = [];
// Create enemies
for (var i = 0; i < 5; i++) {
  var enemy = new Enemy();
  enemy.x = Math.random() * 2048;
  enemy.y = Math.random() * 1000;
  enemies.push(enemy);
  game.addChild(enemy);
}
// Handle game updates
game.update = function () {
  // Update bubbles
  for (var i = bubbles.length - 1; i >= 0; i--) {
    var bubble = bubbles[i];
    bubble.update();
    if (bubble.y < -50) {
      bubble.destroy();
      bubbles.splice(i, 1);
    }
  }
  // Check for bubble-enemy collisions
  for (var i = enemies.length - 1; i >= 0; i--) {
    var enemy = enemies[i];
    for (var j = bubbles.length - 1; j >= 0; j--) {
      var bubble = bubbles[j];
      if (bubble.intersects(enemy)) {
        // Capture enemy
        enemy.destroy();
        enemies.splice(i, 1);
        bubble.destroy();
        bubbles.splice(j, 1);
        break;
      }
    }
  }
};
// Handle touch events for shooting bubbles
game.down = function (x, y, obj) {
  dragon.shootBubble();
};