/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var AIPaddle = Container.expand(function () {
	var self = Container.call(this);
	var paddleGraphics = self.attachAsset('aiPaddle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 6;
	self.targetX = 0;
	self.update = function () {
		// AI follows the ball with some lag for realistic gameplay
		var diff = self.targetX - self.x;
		if (Math.abs(diff) > 2) {
			if (diff > 0) {
				self.x += Math.min(self.speed, diff);
			} else {
				self.x += Math.max(-self.speed, diff);
			}
		}
		// Keep AI paddle within bounds
		var halfWidth = 100; // Half of paddle width
		if (self.x - halfWidth < 0) {
			self.x = halfWidth;
		}
		if (self.x + halfWidth > 2048) {
			self.x = 2048 - halfWidth;
		}
	};
	return self;
});
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = 5;
	self.velocityY = 5;
	self.baseSpeed = 5;
	self.maxSpeed = 12;
	self.reset = function () {
		self.x = 1024;
		self.y = 1366;
		self.velocityX = (Math.random() > 0.5 ? 1 : -1) * self.baseSpeed;
		self.velocityY = (Math.random() > 0.5 ? 1 : -1) * self.baseSpeed;
	};
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Bounce off side walls
		if (self.x <= 15 || self.x >= 2033) {
			self.velocityX = -self.velocityX;
			LK.getSound('wallHit').play();
		}
		// Check collision with player paddle
		if (self.intersects(playerPaddle) && self.velocityY > 0) {
			self.velocityY = -Math.abs(self.velocityY);
			// Add paddle influence on ball direction
			var paddleCenter = playerPaddle.x;
			var ballRelativeX = self.x - paddleCenter;
			self.velocityX += ballRelativeX * 0.1;
			// Increase speed slightly
			var currentSpeed = Math.sqrt(self.velocityX * self.velocityX + self.velocityY * self.velocityY);
			if (currentSpeed < self.maxSpeed) {
				var speedMultiplier = 1.05;
				self.velocityX *= speedMultiplier;
				self.velocityY *= speedMultiplier;
			}
			LK.getSound('paddleHit').play();
		}
		// Check collision with AI paddle
		if (self.intersects(aiPaddle) && self.velocityY < 0) {
			self.velocityY = Math.abs(self.velocityY);
			// Add paddle influence on ball direction
			var paddleCenter = aiPaddle.x;
			var ballRelativeX = self.x - paddleCenter;
			self.velocityX += ballRelativeX * 0.1;
			// Increase speed slightly
			var currentSpeed = Math.sqrt(self.velocityX * self.velocityX + self.velocityY * self.velocityY);
			if (currentSpeed < self.maxSpeed) {
				var speedMultiplier = 1.05;
				self.velocityX *= speedMultiplier;
				self.velocityY *= speedMultiplier;
			}
			LK.getSound('paddleHit').play();
		}
		// Check for scoring
		if (self.y < -15) {
			// Player scores
			playerScore++;
			LK.setScore(playerScore);
			playerScoreText.setText('Player: ' + playerScore);
			LK.getSound('score').play();
			self.reset();
			if (playerScore >= 10) {
				LK.showYouWin();
			}
		} else if (self.y > 2747) {
			// AI scores
			aiScore++;
			aiScoreText.setText('AI: ' + aiScore);
			LK.getSound('score').play();
			self.reset();
			if (aiScore >= 10) {
				LK.showGameOver();
			}
		}
		// Update AI target based on ball position
		if (self.velocityY < 0) {
			// Ball moving toward AI, predict position
			var timeToReach = Math.abs(self.y - aiPaddle.y) / Math.abs(self.velocityY);
			aiPaddle.targetX = self.x + self.velocityX * timeToReach;
		}
	};
	return self;
});
var Paddle = Container.expand(function () {
	var self = Container.call(this);
	var paddleGraphics = self.attachAsset('playerPaddle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x001122
});

/**** 
* Game Code
****/ 
var playerScore = 0;
var aiScore = 0;
var dragActive = false;
// Create game objects
var playerPaddle = game.addChild(new Paddle());
playerPaddle.x = 1024;
playerPaddle.y = 2600;
var aiPaddle = game.addChild(new AIPaddle());
aiPaddle.x = 1024;
aiPaddle.y = 132;
var ball = game.addChild(new Ball());
ball.reset();
// Create score display
var playerScoreText = new Text2('Player: 0', {
	size: 60,
	fill: '#00ff00'
});
playerScoreText.anchor.set(0.5, 0);
LK.gui.bottom.addChild(playerScoreText);
playerScoreText.y = -100;
var aiScoreText = new Text2('AI: 0', {
	size: 60,
	fill: '#ff0000'
});
aiScoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(aiScoreText);
aiScoreText.y = 100;
// Create center line for visual appeal
var centerLine = LK.getAsset('playerPaddle', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleY: 0.1,
	scaleX: 10,
	alpha: 0.3
});
centerLine.x = 1024;
centerLine.y = 1366;
game.addChild(centerLine);
// Touch controls
game.down = function (x, y, obj) {
	dragActive = true;
	playerPaddle.x = x;
};
game.move = function (x, y, obj) {
	if (dragActive) {
		playerPaddle.x = x;
		// Keep player paddle within bounds
		var halfWidth = 100; // Half of paddle width
		if (playerPaddle.x - halfWidth < 0) {
			playerPaddle.x = halfWidth;
		}
		if (playerPaddle.x + halfWidth > 2048) {
			playerPaddle.x = 2048 - halfWidth;
		}
	}
};
game.up = function (x, y, obj) {
	dragActive = false;
};
game.update = function () {
	// Game runs automatically through object updates
};