/**** 
* Classes
****/ 
// Define a class for the background
var Background = Container.expand(function () {
	var self = Container.call(this);
	var backgroundGraphics = self.attachAsset('background', {
		anchorX: 0,
		anchorY: 0
	});
	self.speed = 2;
	self.update = function () {
		self.x -= self.speed;
		if (self.x <= -2048) {
			self.x = 2048;
		}
	};
});
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.x -= 3; // Move coins to the left
		if (self.x < -50) {
			self.destroy();
		}
	};
});
// Define a 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.speed = 5;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -50) {
			self.destroy();
		}
	};
});
// Define a class for Monster2
var Monster2 = Container.expand(function () {
	var self = Container.call(this);
	var monster2Graphics = self.attachAsset('monster2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 7;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -50) {
			self.destroy();
		}
	};
});
//<Assets used in the game will automatically appear here>
// Define a class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.jumpHeight = 40;
	self.isJumping = false;
	self.velocityY = 0;
	self.update = function () {
		if (self.isJumping) {
			self.y += self.velocityY;
			self.velocityY += 0.7; // Decreased gravity effect by 30%
			if (self.y >= 2732 / 2) {
				// Ground level
				self.y = 2732 / 2;
				self.isJumping = false;
				self.velocityY = 0;
			}
		}
	};
	self.jump = function () {
		if (!self.isJumping) {
			self.isJumping = true;
			self.velocityY = -self.jumpHeight;
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
LK.playMusic('popMusic');
// Initialize background
var background = game.addChild(new Background());
background.x = 0;
background.y = 0;
// Initialize second background
var background2 = game.addChild(new Background());
background2.x = 2048;
background2.y = 0;
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
// Initialize enemies
var enemies = [];
var enemySpawnInterval = 100;
var enemySpawnCounter = 0;
// Initialize score display
var scoreText = new Text2('Score: 0', {
	size: 100,
	fill: 0xFFFFFF
});
// Add the score text to the game GUI below the player character
LK.gui.top.addChild(scoreText);
scoreText.x = player.x;
scoreText.y = player.y + player.height + 10;
// Create a new Text2 object to display the coin count
// Handle game updates
game.update = function () {
	background.update();
	background2.update();
	player.update();
	// Initialize coin spawn counter and interval
	var coinSpawnCounter = 0;
	var coinSpawnInterval = 300;
	// Spawn coins one by one
	coinSpawnCounter++;
	if (coinSpawnCounter >= coinSpawnInterval) {
		var coin = new Coin();
		coin.x = 2048;
		coin.y = Math.random() * (2732 / 2); // Random y position in the upper half
		game.addChild(coin);
		coinSpawnCounter = 0;
	}
	// Update coins
	for (var i = game.children.length - 1; i >= 0; i--) {
		if (game.children[i] instanceof Coin) {
			game.children[i].update();
			if (player.intersects(game.children[i])) {
				game.children[i].destroy();
				LK.setScore(LK.getScore() + (1 + Math.floor(LK.getScore() / 10))); // Increase score incrementally as the game progresses
				scoreText.setText(LK.getScore());
			}
		}
	}
	// Spawn enemies
	enemySpawnCounter++;
	if (enemySpawnCounter >= enemySpawnInterval) {
		var enemy = new Enemy();
		enemy.x = 2048;
		enemy.y = 2732 / 2;
		enemies.push(enemy);
		game.addChild(enemy);
		// Randomize the spawn interval for the next enemy
		enemySpawnInterval = Math.floor(Math.random() * 150) + 50;
		enemySpawnCounter = 0;
	}
	// Initialize Monster2 spawn counter and interval
	var monster2SpawnCounter = 0;
	var monster2SpawnInterval = 300;
	// Spawn Monster2
	monster2SpawnCounter++;
	if (monster2SpawnCounter >= monster2SpawnInterval) {
		var monster2 = new Monster2();
		monster2.x = 2048;
		monster2.y = Math.random() * (2732 / 2); // Random y position in the upper half
		game.addChild(monster2);
		monster2SpawnCounter = 0;
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (player.intersects(enemies[j])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		} else if (player.x > enemies[j].x && !enemies[j].passed) {
			enemies[j].passed = true;
			LK.setScore(LK.getScore() + 1);
			scoreText.setText(LK.getScore());
		}
	}
	// Update Monster2 and handle intersection with player
	for (var i = game.children.length - 1; i >= 0; i--) {
		if (game.children[i] instanceof Monster2) {
			game.children[i].update();
			if (player.intersects(game.children[i])) {
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			}
		}
	}
};
// Handle player jump
// Add replay button to game
var replayButton = new Text2('Replay', {
	size: 100,
	fill: 0xFFFFFF,
	"class": 'replay-button'
});
LK.gui.top.addChild(replayButton);
replayButton.x = 2048 - replayButton.width;
replayButton.y = 0;
replayButton.down = function (x, y, obj) {
	LK.resetGame();
};
game.down = function (x, y, obj) {
	player.jump();
};