/**** 
* Classes
****/ 
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.y <= 2732) {
			// Obstacles move down at a constant speed
			self.y += 5;
		} else {
			// If obstacle goes off the bottom of the screen, wrap around to the top
			self.y = 0;
		}
	};
});
// The game engine will automatically load the necessary assets
// Player character class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.y >= 0) {
			// Player moves up at a constant speed
			self.y -= 5;
		} else {
			// If player goes off the top of the screen, wrap around to the bottom
			self.y = 2732;
		}
	};
});
// Power-up class
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.y <= 2732) {
			// Power-ups move down at a constant speed
			self.y += 3;
		} else {
			// If power-up goes off the bottom of the screen, wrap around to the top
			self.y = 0;
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000,
	// Init game with black background
	preloadAssets: true // Preload assets for optimized performance
});

/**** 
* Game Code
****/ 
// Initialize score text
var scoreBackground = new Container();
var scoreBgGraphics = scoreBackground.attachAsset('scoreBg', {
	anchorX: 0.5,
	anchorY: 0.5
});
scoreBgGraphics.width = 300;
scoreBgGraphics.height = 100;
scoreBgGraphics.tint = 0x000000;
scoreBgGraphics.alpha = 0.5;
scoreBackground.x = 2048 / 2;
scoreBackground.y = 100;
LK.gui.top.addChild(scoreBackground);
var scoreTxt = new Text2('0', {
	size: 100,
	fill: "#ffffff",
	stroke: "#000000",
	strokeThickness: 5
});
scoreTxt.anchor.set(0.5, 0.5);
scoreTxt.x = 2048 / 2;
scoreTxt.y = 100;
LK.gui.top.addChild(scoreTxt);
// Initialize score text to display the current score
scoreTxt.setText(LK.getScore());
// Removed redundant style property setting for score text
// Initialize player, obstacles, and power-ups
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
// Tutorial overlay
var tutorialOverlay = new Container();
var tutorialText = new Text2('Drag the player to avoid obstacles and collect power-ups!', {
	size: 100,
	fill: "#ffffff"
});
tutorialText.anchor.set(0.5, 0.5);
tutorialText.x = 2048 / 2;
tutorialText.y = 2732 / 2;
tutorialOverlay.addChild(tutorialText);
game.addChild(tutorialOverlay);
// Remove tutorial after 5 seconds
LK.setTimeout(function () {
	tutorialOverlay.destroy();
}, 5000);
var obstacles = [];
var powerUps = [];
var level = 1;
var maxObstacles = 10;
var maxPowerUps = 5;
function initializeLevel() {
	// Clear existing obstacles and power-ups
	obstacles.forEach(function (obstacle) {
		return obstacle.destroy();
	});
	powerUps.forEach(function (powerUp) {
		return powerUp.destroy();
	});
	obstacles = [];
	powerUps = [];
	// Increase difficulty by adding more obstacles and power-ups
	for (var i = 0; i < maxPowerUps; i++) {
		var powerUp = game.addChild(new PowerUp());
		powerUp.x = Math.random() * 2048;
		powerUp.y = Math.random() * 2732;
		powerUps.push(powerUp);
	}
	for (var i = 0; i < maxObstacles; i++) {
		var obstacle = game.addChild(new Obstacle());
		obstacle.x = Math.random() * 2048;
		obstacle.y = Math.random() * 2732;
		obstacles.push(obstacle);
	}
}
initializeLevel();
// Game update function
game.update = function () {
	// Remove tutorial if player moves
	if (tutorialOverlay && (player.x !== 2048 / 2 || player.y !== 2732 / 2)) {
		tutorialOverlay.destroy();
		tutorialOverlay = null;
	}
	// Check for collisions between player and obstacles
	for (var i = 0; i < obstacles.length; i++) {
		if (player.intersects(obstacles[i])) {
			// Add animation effect for dodging
			LK.effects.flashObject(player, 0x0000ff, 300);
			// Flash screen red for 1 second to indicate collision
			LK.effects.flashScreen(0xff0000, 1000);
			// Game over
			LK.showGameOver();
			break;
		}
	}
	// Increase level and difficulty after reaching a certain score
	if (LK.getScore() >= level * 50) {
		level++;
		maxObstacles += 5;
		maxPowerUps += 2;
		initializeLevel();
	}
	// Check for collisions between player and power-ups
	for (var i = 0; i < powerUps.length; i++) {
		if (player.intersects(powerUps[i])) {
			// Increase score when power-up is collected
			LK.setScore(LK.getScore() + 5);
			scoreTxt.setText(LK.getScore());
			// Flash player green for 500ms to indicate power-up collection
			LK.effects.flashObject(player, 0x00ff00, 500);
			powerUps[i].destroy();
			powerUps.splice(i, 1);
		}
	}
	for (var i = 0; i < obstacles.length; i++) {
		if (obstacles[i].y > 2732) {
			obstacles[i].passed = true;
			LK.setScore(LK.getScore() + 1);
			// Add animation effect for score increase
			LK.effects.flashObject(scoreTxt, 0xffff00, 300);
			// Update score text and flash to indicate score update
			scoreTxt.setText(LK.getScore());
			LK.effects.flashObject(scoreTxt, 0xffffff, 500);
		}
	}
};
// Player movement
game.down = function (x, y, obj) {
	player.x = x;
	player.y = y;
	// Play movement sound effect
	LK.getSound('move').play();
	// Play movement sound effect
	LK.getSound('move').play();
};
game.move = function (x, y, obj) {
	player.x = x;
	player.y = y;
};