/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -10 - Math.random() * 5; // Random speed between -10 and -15
	self.update = function () {
		self.y += self.speed;
	};
});
// Enemy class
var Enemy1 = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3 + Math.random() * 3; // Random speed between 5 and 10
	self.update = function () {
		self.y += self.speed + LK.ticks / 10000; // Increase speed over time
	};
});
var Enemy2 = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5 + Math.random() * 5; // Random speed between 5 and 10
	self.update = function () {
		self.y += self.speed + LK.ticks / 10000; // Increase speed over time
		self.x += Math.sin(LK.ticks / 100) * 5; // Add a sine wave movement pattern
	};
});
var Enemy3 = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy3', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5 + Math.random() * 5; // Random speed between 5 and 10
	self.update = function () {
		self.y += self.speed + LK.ticks / 10000; // Increase speed over time
		self.x += Math.cos(LK.ticks / 100) * 5; // Add a cosine wave movement pattern
	};
});
// Explosion class
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initialize particles array
	self.particles = [];
	// Create particles
	for (var i = 0; i < 50; i++) {
		var particle = self.attachAsset('explosionParticle', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: Math.random() * explosionGraphics.width - explosionGraphics.width / 2,
			y: Math.random() * explosionGraphics.height - explosionGraphics.height / 2
		});
		particle.speedX = Math.random() * 2 - 1;
		particle.speedY = Math.random() * 2 - 1;
		self.particles.push(particle);
	}
	self.update = function () {
		self.alpha -= 0.02; // Fade out
		explosionGraphics.scale.x += 0.05; // Scale up faster
		explosionGraphics.scale.y += 0.05; // Scale up faster
		// Update particles
		for (var i = self.particles.length - 1; i >= 0; i--) {
			self.particles[i].x += self.particles[i].speedX * 5; // Increase speed
			self.particles[i].y += self.particles[i].speedY * 5; // Increase speed
			self.particles[i].rotation += 0.2; // Add rotation
			self.particles[i].alpha -= 0.04;
			if (self.particles[i].alpha <= 0) {
				self.particles[i].destroy();
				self.particles.splice(i, 1);
			}
		}
		if (self.alpha <= 0) {
			self.destroy();
		}
	};
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	self.baseSpeed = 10;
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.shoot = function () {
		var bullet = new Bullet();
		bullet.x = self.x;
		bullet.y = self.y - playerGraphics.height / 2;
		bullets.push(bullet);
		game.addChild(bullet);
	};
});
// PowerUp 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 () {
		self.y += 5;
	};
});
// Progress Bar class
var ProgressBar = Container.expand(function () {
	var self = Container.call(this);
	var progressBarGraphics = self.attachAsset('progressBar', {
		anchorX: 0.0,
		anchorY: 0.0
	});
	self.lastLevelUp = 0;
	self.reset = function () {
		progressBarGraphics.width = 0;
		self.lastLevelUp = LK.ticks;
	};
	self.update = function () {
		progressBarGraphics.width = (LK.ticks - self.lastLevelUp) / 2000 * 2048; // Fill the progress bar over time
	};
});
// Star class
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1 + Math.random() * 3; // Random speed between 1 and 4
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + 50) {
			self.y = -50;
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize stars array
var stars = [];
// Add stars to the game
for (var i = 0; i < 100; i++) {
	var star = new Star();
	star.x = Math.random() * 2048;
	star.y = Math.random() * 2732;
	stars.push(star);
	game.addChild(star);
}
// Initialize arrays and variables
var bullets = [];
var enemies = [];
var powerUpActive = 0; // Initialize powerUpActive variable
var powerUps = []; // Initialize powerUps array
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 200;
var playerDirection = 1;
// Score display
var score = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var level = 1;
// Initialize progress bar
var progressBar = game.addChild(new ProgressBar());
progressBar.y = 0;
var isMouseDown = false;
// Event listener for mouse down
game.down = function (x, y, obj) {
	player.shoot();
	playerDirection *= -1;
	isMouseDown = true;
};
// Event listener for mouse up
game.up = function (x, y, obj) {
	isMouseDown = false;
};
// Update game state
game.update = function () {
	progressBar.update();
	// Update player's position with speed boost if power-up is active
	//if (isMouseDown) {
	player.x += (player.baseSpeed + powerUpActive * player.baseSpeed) * playerDirection;
	//	}
	// Wrap player's position around the screen
	if (player.x > 2048 + player.width / 2) {
		player.x = -player.width / 2;
	} else if (player.x < -player.width / 2) {
		player.x = 2048 + player.width / 2;
		// Change direction if player hits the edge
	}
	var trailStar = new Star();
	trailStar.x = player.x;
	trailStar.y = player.y + 50;
	trailStar.alpha = 0.5;
	trailStar.scale.set(2 + 2 * Math.random());
	trailStar.update = function () {
		this.alpha -= 0.01; // Fade out
		if (this.alpha <= 0) {
			this.destroy();
		}
	};
	game.addChildAt(trailStar, game.getChildIndex(player));
	if (powerUpActive) {
		var trailStar = new Star();
		trailStar.x = player.x;
		trailStar.y = player.y;
		trailStar.alpha = 0.5;
		trailStar.scale.set(2 + 2 * Math.random());
		trailStar.update = function () {
			this.alpha -= 0.01; // Fade out
			if (this.alpha <= 0) {
				this.destroy();
			}
		};
		game.addChildAt(trailStar, game.getChildIndex(player));
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].update();
		if (bullets[i].y < -50) {
			bullets[i].destroy();
			bullets.splice(i, 1);
		}
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (enemies[j].y > 2732 + 50) {
			enemies[j].destroy();
			enemies.splice(j, 1);
		}
	}
	// Check for collisions
	for (var k = bullets.length - 1; k >= 0; k--) {
		for (var l = enemies.length - 1; l >= 0; l--) {
			if (bullets[k].intersects(enemies[l])) {
				var explosion = new Explosion();
				explosion.x = enemies[l].x;
				explosion.y = enemies[l].y;
				game.addChild(explosion);
				bullets[k].destroy();
				if (enemies[l] instanceof Enemy1) {
					enemies[l].destroy();
					score += 1;
				} else if (enemies[l] instanceof Enemy2) {
					enemies[l].destroy();
					score += 2;
				} else if (enemies[l] instanceof Enemy3) {
					enemies[l].destroy();
					score += 3;
				}
				bullets.splice(k, 1);
				enemies.splice(l, 1);
				scoreTxt.setText(score);
				break;
			}
		}
	}
	// Update powerUps
	for (var i = powerUps.length - 1; i >= 0; i--) {
		powerUps[i].update();
		if (powerUps[i].y > 2732 + 50) {
			powerUps[i].destroy();
			powerUps.splice(i, 1);
		}
	}
	// Spawn enemies and occasionally power-ups
	if (LK.ticks % 60 == 0 && progressBar.width < 2040) {
		var enemyType = Math.floor(Math.random() * 3) + 1; // Randomly select an enemy type
		var enemy;
		switch (enemyType) {
			case 1:
				enemy = new Enemy1();
				break;
			case 2:
				enemy = new Enemy2();
				break;
			case 3:
				enemy = new Enemy3();
				break;
		}
		enemy.x = Math.random() * 2048;
		enemy.y = -50;
		enemies.push(enemy);
		game.addChild(enemy);
	}
	// Spawn a power-up every 10th enemy
	if (enemies.length % 10 == 0 && progressBar.width < 2048) {
		var powerUp = new PowerUp();
		powerUp.x = Math.random() * 2048;
		powerUp.y = -50;
		powerUps.push(powerUp);
		game.addChild(powerUp);
	}
	// Check for powerUp collision with player
	for (var n = powerUps.length - 1; n >= 0; n--) {
		if (powerUps[n].intersects(player)) {
			powerUps[n].destroy();
			powerUps.splice(n, 1);
			powerUpActive = 1;
			// Set a timeout to reset powerUpActive after 10 seconds (600 ticks)
			LK.setTimeout(function () {
				powerUpActive = 0;
			}, 10000);
		}
	}
	// Update stars
	for (var i = stars.length - 1; i >= 0; i--) {
		stars[i].update();
	}
	// Check if the progress bar is full
	if (progressBar.width >= 2048) {
		// Play a level up sound
		LK.getSound('levelUp').play();
		// Increase the player's speed
		player.speed += 1;
		// List of nice colors
		var colors = [0x000080, 0x008000, 0x800000, 0x808000, 0x800080, 0x008080];
		// Select a random color from the list
		var randomColor = colors[Math.floor(Math.random() * colors.length)];
		// Change the background color
		game.setBackgroundColor(randomColor);
		// Show a popup
		var levelText = new Text2('Level ' + (level + 1), {
			size: 300,
			fill: "#ffffff"
		});
		levelText.anchor.set(0.5, 0.5);
		levelText.x = 2048 / 2;
		levelText.y = 2732 / 2;
		game.addChild(levelText);
		// Remove the text after 2 seconds
		LK.setTimeout(function () {
			levelText.destroy();
		}, 2000);
		level++;
		// Reset the progress bar
		progressBar.reset();
	}
	// Check for game over
	for (var m = enemies.length - 1; m >= 0; m--) {
		if (enemies[m].intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
};