/**** 
* Classes
****/ 
// Assets will be automatically created based on usage in the code.
// Ball class
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = 5;
	self.speedY = -5;
	self._move_migrated = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		// Optimize trail particle creation by spawning less frequently
		// Increase the interval for trail particle creation to reduce frequency and improve performance
		if (LK.ticks % 15 == 0) {
			var trailParticle = game.addChild(new BallTrail());
			trailParticle.x = self.x;
			trailParticle.y = self.y;
		}
	};
});
// BallTrail class for creating a trail effect behind the ball
var BallTrail = Container.expand(function () {
	var self = Container.call(this);
	var trailGraphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = 0; // Trail particles do not move horizontally
	self.speedY = 0; // Trail particles do not move vertically
	self.alpha = 0.5; // Start semi-transparent
	self.scaleX = 0.25; // Start smaller than the original particle size
	self.scaleY = 0.25; // Start smaller than the original particle size
	self.update = function () {
		self.alpha -= 0.05; // Fade out quickly
		if (self.alpha <= 0) {
			self.destroy(); // Remove the trail particle once fully faded
		}
	};
});
// Brick class
var Brick = Container.expand(function () {
	var self = Container.call(this);
	var brickGraphics = self.attachAsset('brick', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Enemy class that can only be destroyed by the ball
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('brick', {
		anchorX: 0.5,
		anchorY: 0.5,
		color: 0xff0000 // Use red color to differentiate enemies from bricks
	});
});
// Paddle class
var Paddle = Container.expand(function () {
	var self = Container.call(this);
	var paddleGraphics = self.attachAsset('paddle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initialize RGB values
	var r = 255;
	var g = 0;
	var b = 0;
	// Cycle through RGB colors
	self.update = function () {
		// Correct RGB cycling logic
		if (r > 0 && b == 0) {
			if (g < 255) {
				g++;
			} else {
				r--;
			}
		} else if (g > 0 && r == 0) {
			if (b < 255) {
				b++;
			} else {
				g--;
			}
		} else if (b > 0 && g == 0) {
			if (r < 255) {
				r++;
			} else {
				b--;
			}
		}
		// Update paddle color with corrected RGB values
		paddleGraphics.color = (r << 16) + (g << 8) + b;
	};
	self._move_migrated = function (xPosition) {
		self.x = xPosition;
	};
});
// Particle class
var Particle = Container.expand(function () {
	var self = Container.call(this);
	var particleGraphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = Math.random() * 10 - 5; // Random horizontal speed
	self.speedY = Math.random() * 10 - 5; // Random vertical speed
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		self.speedY += 0.1; // Gravity
		self.alpha -= 0.01; // Fade out
		if (self.alpha <= 0) {
			self.destroy();
		}
	};
});
// PowerUp class
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedY = 2; // Set PowerUp falling speed
	self.update = function () {
		self.y += self.speedY; // Make PowerUp fall down
	};
	self.effect = function (ball) {
		ball.scaleX *= 1.5; // Scale up the ball by 50%
		ball.scaleY *= 1.5; // Scale up the ball by 50%
	};
});
// RedCube class for explosive interaction
var RedCube = Container.expand(function () {
	var self = Container.call(this);
	var redCubeGraphics = self.attachAsset('brick', {
		anchorX: 0.5,
		anchorY: 0.5,
		color: 0xff0000 // Red color to signify danger
	});
	self.explosionRadius = 300; // Radius within which the ball will be affected
	self.update = function () {
		// Check for collision with the ball
		if (self.intersects(ball)) {
			// Trigger explosion effect
			explodeBall();
			self.destroy(); // Remove the RedCube after explosion
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize level name text display
// Initialize level variable before using it
var currentLevel = 1;
var levelNameTxt = new Text2("Level " + currentLevel.toString(), {
	size: 100,
	fill: "#ffffff"
});
// Position the level name text at the top center of the screen
levelNameTxt.anchor.set(0.5, 0); // Sets anchor to the center of the top edge of the text.
levelNameTxt.x = 1024; // Center horizontally
levelNameTxt.y = 50; // Position towards the top
LK.gui.top.addChild(levelNameTxt); // Add the level name text to the GUI overlay at the top
// Removed ad display logic due to 'Uncaught TypeError: LK.showAd is not a function'
// Initialize level variable
var currentLevel = 1;
var totalLevels = 5; // Define total number of levels
// Function to setup level
function setupLevel(level) {
	bricks = []; // Clear existing bricks
	var levelBrickRowCount = 3 + level; // Increase row count with level
	var levelBrickColumnCount = 5 + Math.floor(level / 2); // Increase column count every two levels
	for (var c = 0; c < levelBrickColumnCount; c++) {
		for (var r = 0; r < levelBrickRowCount; r++) {
			var brickX = c * (brickWidth + brickPadding) + brickOffsetLeft;
			var brickY = r * (brickHeight + brickPadding) + brickOffsetTop;
			var brick = game.addChild(new Brick());
			brick.x = brickX + brickWidth / 2;
			brick.y = brickY + brickHeight / 2;
			bricks.push(brick);
		}
	}
}
// Call setupLevel with current level at game start
setupLevel(currentLevel);
// Function to handle ball explosion logic
function explodeBall() {
	// Create explosion particles
	for (var i = 0; i < 20; i++) {
		var particle = game.addChild(new Particle());
		particle.x = ball.x;
		particle.y = ball.y;
	}
	// Reset ball position to the center after explosion
	ball.x = 1024;
	ball.y = 1366;
	ball.speedX = 0;
	ball.speedY = -5;
}
// Extra Balls Spawn Logic
var extraBalls = []; // Initialize extra balls array
LK.on('tick', function () {
	// Check combo meter and spawn extra balls at certain thresholds
	if (comboMeter == 10 || comboMeter == 20 || comboMeter == 30) {
		var extraBall = game.addChild(new Ball());
		extraBall.x = 1024; // Center horizontally
		extraBall.y = 1366; // Center vertically
		extraBalls.push(extraBall);
	}
	// Update and move all extra balls
	for (var i = 0; i < extraBalls.length; i++) {
		extraBalls[i]._move_migrated();
		// Check for collision with paddle for each extra ball
		if (extraBalls[i].intersects(paddle)) {
			var hitPos = (extraBalls[i].x - paddle.x) / paddle.width;
			extraBalls[i].speedY = -Math.abs(extraBalls[i].speedY); // Ensure the ball always bounces up
			extraBalls[i].speedX = (hitPos - 0.5) * 10; // Adjust speedX based on hit position
		}
		// Check for collision with bricks and enemies for each extra ball
		for (var b = bricks.length - 1; b >= 0; b--) {
			if (extraBalls[i].intersects(bricks[b])) {
				extraBalls[i].speedY = -extraBalls[i].speedY * 1.05;
				extraBalls[i].speedX *= 1.05;
				if (bricks[b] instanceof Enemy) {
					score += 20;
				} else {
					score += 10;
				}
				bricks[b].destroy();
				bricks.splice(b, 1);
				scoreTxt.setText(score.toString());
			}
		}
		// Remove extra ball if it goes off screen
		if (extraBalls[i].y >= 2732) {
			extraBalls[i].destroy();
			extraBalls.splice(i, 1);
			i--; // Adjust loop index after removal
		}
	}
});
var comboMeter = 0; // Initialize combo meter variable
var comboTxt = new Text2(comboMeter.toString(), {
	size: 100,
	fill: "#ff0000"
});
LK.gui.topRight.addChild(comboTxt); // Add the combo meter text to the GUI overlay at the top right
var score = 0; // Initialize score variable
var scoreTxt = new Text2(score.toString(), {
	size: 150,
	fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt); // Add the score text to the GUI overlay at the top
var ball = game.addChild(new Ball());
ball.x = 1024; // Center horizontally
ball.y = 1366; // Center vertically
var paddle = game.addChild(new Paddle());
paddle.x = 1024; // Center horizontally
paddle.y = 2500; // Position towards the bottom
var bricks = [];
var brickRowCount = 5;
var brickColumnCount = 8;
var brickWidth = 200;
var brickHeight = 100;
var brickPadding = 20;
var brickOffsetTop = 200;
var brickOffsetLeft = 204;
// Create bricks
for (var c = 0; c < brickColumnCount; c++) {
	for (var r = 0; r < brickRowCount; r++) {
		var brickX = c * (brickWidth + brickPadding) + brickOffsetLeft;
		var brickY = r * (brickHeight + brickPadding) + brickOffsetTop;
		var brick = game.addChild(new Brick());
		brick.x = brickX + brickWidth / 2;
		brick.y = brickY + brickHeight / 2;
		bricks.push(brick);
	}
}
// Handle touch move for paddle
game.on('move', function (x, y, obj) {
	var pos = game.toLocal(obj.global);
	paddle._move_migrated(pos.x);
});
// Game tick
var spawnTick = 0; // Initialize spawn tick counter
LK.on('tick', function () {
	spawnTick++;
	// Every 600 ticks (10 seconds), spawn a new row of enemies at the top
	if (spawnTick % 600 == 0) {
		for (var c = 0; c < brickColumnCount; c++) {
			var enemyX = c * (brickWidth + brickPadding) + brickOffsetLeft;
			var enemy = game.addChild(new Enemy());
			enemy.x = enemyX + brickWidth / 2;
			enemy.y = brickOffsetTop; // Spawn enemies at the top without moving existing bricks down
			bricks.push(enemy); // Add enemy to the bricks array for collision detection
		}
	}
	ball._move_migrated();
	// Spawn PowerUp and RedCube at game start and then randomly every 3000 ticks
	if (spawnTick == 0 || spawnTick % 3000 == 0) {
		var powerUpX = 1024; // Center X position for PowerUp
		var powerUp = game.addChild(new PowerUp());
		powerUp.x = powerUpX;
		powerUp.y = 100; // Start from top for PowerUp
		var redCubeX = Math.random() * 2048; // Random X position for RedCube
		var redCube = game.addChild(new RedCube());
		redCube.x = redCubeX;
		redCube.y = 100; // Start from top for RedCube
	}
	// Check for PowerUp collision with ball
	for (var p = 0; p < game.children.length; p++) {
		var child = game.children[p];
		if (child instanceof PowerUp && ball.intersects(child)) {
			child.effect(ball); // Apply PowerUp effect to the ball
			child.destroy(); // Remove PowerUp after use
		}
	}
	// Ball collision with walls
	if (ball.x <= ball.width / 2 || ball.x >= 2048 - ball.width / 2) {
		ball.speedX = -ball.speedX;
	}
	if (ball.y <= ball.height / 2) {
		ball.speedY = -ball.speedY;
	}
	// Ball collision with paddle
	if (ball.intersects(paddle)) {
		// Calculate bounce angle based on where the ball hits the paddle
		var hitPos = (ball.x - paddle.x) / paddle.width;
		ball.speedY = -Math.abs(ball.speedY); // Ensure the ball always bounces up
		comboMeter = 0; // Reset combo meter on ball collision with paddle
		ball.speedX = (hitPos - 0.5) * 10; // Adjust speedX based on hit position
	}
	// Ball collision with bricks and enemies
	for (var b = bricks.length - 1; b >= 0; b--) {
		if (ball.intersects(bricks[b])) {
			// Reverse ball direction and slightly increase speed for dynamic gameplay
			ball.speedY = -ball.speedY * 1.05;
			ball.speedX *= 1.05;
			// Add impact shake effect
			// Removed flash effect
			if (bricks[b] instanceof Enemy) {
				score += 20; // Increase score by 20 for each enemy hit
				comboMeter++; // Increment combo meter on enemy hit
				// Spawn particles on enemy destruction
				for (var i = 0; i < 10; i++) {
					// Spawn more particles for enemies
					var particle = game.addChild(new Particle());
					particle.x = bricks[b].x;
					particle.y = bricks[b].y;
				}
			} else {
				score += 10; // Increase score by 10 for each brick hit
				comboMeter++; // Increment combo meter on brick hit
				// Spawn particles on brick destruction
				for (var i = 0; i < 5; i++) {
					var particle = game.addChild(new Particle());
					particle.x = bricks[b].x;
					particle.y = bricks[b].y;
				}
			}
			bricks[b].destroy();
			bricks.splice(b, 1);
			scoreTxt.setText(score.toString()); // Update score display
			// Add enemy paddle to the game when player hits 100 points and ensure it's only added once
			if (score >= 100 && !game.children.some(function (child) {
				return child instanceof EnemyPaddle;
			})) {
				var enemyPaddle = game.addChild(new EnemyPaddle());
				enemyPaddle.x = 1024; // Center horizontally
				enemyPaddle.y = brickOffsetTop + brickRowCount * (brickHeight + brickPadding) + 100; // Position below the bricks
			}
			comboTxt.setText(comboMeter.toString()); // Update combo meter display
		}
	}
	// Check if all bricks are destroyed to advance to the next level
	if (bricks.length === 0) {
		if (currentLevel < totalLevels) {
			currentLevel++;
			setupLevel(currentLevel); // Setup the next level
			ball.x = 1024; // Reset ball position to center
			ball.y = 1366;
			ball.speedX = 0;
			ball.speedY = -5;
		} else {
			LK.showGameOver(); // Show game over if all levels are completed
		}
	} else if (ball.y >= 2732) {
		// Game over condition
		LK.showGameOver();
	}
});