/**** 
* Classes
****/
// Explosion class
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.createAsset('explosion', 'Explosion effect', 0.5, 0.5);
	explosionGraphics.alpha = 1;
	self.animate = function () {
		LK.setTimeout(function () {
			self.destroy();
		}, 500);
	};
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.createAsset('player', 'Player character', 0.5, 1);
	self.speed = 10;
	self.targetX = self.x;
	self.moveLeft = function () {
		if (self.x > self.targetX && self.x > playerGraphics.width / 2) {
			self.x -= self.speed;
		}
	};
	self.moveRight = function () {
		if (self.x < self.targetX && self.x < 2048 - playerGraphics.width / 2) {
			self.x += self.speed;
		}
	};
});
// Player2 class
var Player2 = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.createAsset('player2', 'Alternate player character', 0.5, 1);
	self.speed = 10;
	self.targetX = self.x;
	self.visible = false;
	self.moveLeft = function () {
		if (self.x > self.targetX && self.x > playerGraphics.width / 2) {
			self.x -= self.speed;
		}
	};
	self.moveRight = function () {
		if (self.x < self.targetX && self.x < 2048 - playerGraphics.width / 2) {
			self.x += self.speed;
		}
	};
});
// Apple class
var Apple = Container.expand(function () {
	var self = Container.call(this);
	var appleGraphics = self.createAsset('apple', 'Falling apple', 0.5, 0.5);
	self.speed = 6;
	self.move = function () {
		self.y += self.speed;
	};
	self.isCaught = function (player) {
		var playerHeadY = player.y - player.height / 2;
		var appleBottomY = self.y + self.height / 2;
		if (self.intersects(player) && appleBottomY < playerHeadY) {
			var explosion = new Explosion();
			explosion.x = self.x;
			explosion.y = self.y;
			game.addChild(explosion);
			explosion.animate();
			return true;
		}
		return false;
	};
});
// GreenApple class
var GreenApple = Container.expand(function () {
	var self = Container.call(this);
	var appleGraphics = self.createAsset('greenApple', 'Falling green apple', 0.5, 0.5);
	self.speed = 10;
	self.move = function () {
		self.y += self.speed;
	};
	self.isCaught = function (player) {
		var playerHeadY = player.y - player.height / 2;
		var appleBottomY = self.y + self.height / 2;
		return self.intersects(player) && appleBottomY < playerHeadY;
	};
});
// Health class
var Health = Container.expand(function () {
	var self = Container.call(this);
	var healthGraphics = self.createAsset('health', 'Health unit', 0, 0);
});

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

/**** 
* Game Code
****/
// Initialize health display
var healthUnits = [];
for (var i = 0; i < 3; i++) {
	var healthUnit = game.addChild(new Health());
	healthUnit.x = i * healthUnit.width;
	healthUnit.y = 0;
	healthUnits.push(healthUnit);
}

// Initialize second background
var background2 = game.addChild(LK.getAsset('background2', 'Second background', 0, 0));
background2.width = 2048;
background2.height = 2732;
background2.x = 0;
background2.y = 0;
background2.anchor.set(0, 0);

// Initialize backgrounds
var background = game.addChild(LK.getAsset('background', 'Game background', 0, 0));
background.width = 2048;
background.height = 2732;
background.x = 0;
background.y = 0;
background.anchor.set(0, 0);

// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 50; // Positioned at the bottom of the screen
// Initialize player2
var player2 = game.addChild(new Player2());
player2.x = 2048 / 2;
player2.y = 2732 - 50; // Positioned at the bottom of the screen, same as player

// Initialize apples array
var apples = [];

// Handle touch movement
function handleTouchMove(obj) {
	var touchPos = obj.event.getLocalPosition(game);
	player.targetX = touchPos.x;
	player2.targetX = touchPos.x;
}

// Attach touch move event to the game
game.on('move', handleTouchMove);

// Game tick event
LK.on('tick', function () {
	// Move player towards targetX and control visibility of player and player2
	// Only move if the targetX is not directly on the player
	if (Math.abs(player.x - player.targetX) > player.width / 2) {
		if (player.x < player.targetX) {
			player.moveRight();
			player2.moveRight();
			player.visible = false;
			player2.visible = true;
		} else if (player.x > player.targetX) {
			player.moveLeft();
			player2.moveLeft();
			player.visible = true;
			player2.visible = false;
		}
	}
	// Move apples
	for (var i = apples.length - 1; i >= 0; i--) {
		apples[i].move();
		// Check if apple is caught by the player or player2 depending on their visibility
		if (player.visible && apples[i].isCaught(player) || player2.visible && apples[i].isCaught(player2)) {
			// Increase score
			LK.setScore(LK.getScore() + 1);
			// Remove caught apple
			apples[i].destroy();
			apples.splice(i, 1);
		} else if (apples[i].y > 2732) {
			// Remove apple if it falls off the screen
			apples[i].destroy();
			apples.splice(i, 1);
		}
	}

	// Spawn apples less frequently
	if (LK.ticks % 120 == 0) {
		// Every two seconds
		var newApple = Math.random() < 0.5 ? new Apple() : new GreenApple();
		newApple.x = Math.random() * 2048;
		newApple.y = 2732 / 2; // Start at the middle of the screen in height
		apples.push(newApple);
		game.addChild(newApple);
	}
});