/**** 
* Classes
****/ 
// Define the Alien class
var Alien = Container.expand(function () {
	var self = Container.call(this);
	var alienGraphics = self.attachAsset('alien', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.update = function () {
		// Alien moves in a straight line until it hits a wall
		if (self.direction === undefined) {
			self.direction = Math.floor(Math.random() * 4);
		}
		switch (self.direction) {
			case 0:
				// Move up
				if (self.y - self.speed < 0) {
					self.direction = 1; // Change direction to down
				} else {
					self.y -= self.speed;
				}
				break;
			case 1:
				// Move down
				if (self.y + self.speed > 2732) {
					self.direction = 0; // Change direction to up
				} else {
					self.y += self.speed;
				}
				break;
			case 2:
				// Move left
				if (self.x - self.speed < 0) {
					self.direction = 3; // Change direction to right
				} else {
					self.x -= self.speed;
				}
				break;
			case 3:
				// Move right
				if (self.x + self.speed > 2048) {
					self.direction = 2; // Change direction to left
				} else {
					self.x += self.speed;
				}
				break;
		}
	};
});
var BombShard = Container.expand(function () {
	var self = Container.call(this);
	var bombShardGraphics = self.attachAsset('bombShard', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Define the Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Define the Player class
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.update = function () {
		// Player update logic
	};
});

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

/**** 
* Game Code
****/ 
var cityBackground = game.attachAsset('city', {
	anchorX: 0,
	anchorY: 0
});
// Initialize player, aliens, obstacles and bomb shards
var player = game.addChild(new Player());
player.x = 1024;
player.y = 1366;
var aliens = [];
for (var i = 0; i < 7; i++) {
	var alien = new Alien();
	do {
		alien.x = Math.random() * 2048;
		alien.y = Math.random() * 2732;
	} while (Math.hypot(player.x - alien.x, player.y - alien.y) < 500);
	aliens.push(alien);
	game.addChild(alien);
}
var obstacles = [];
for (var j = 0; j < 10; j++) {
	var obstacle = new Obstacle();
	obstacle.x = Math.random() * 2048;
	obstacle.y = Math.random() * 2732;
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
var bombShards = [];
var bombShardsCollected = 0; // Initialize bombShardsCollected to 0
for (var k = 0; k < 20; k++) {
	var bombShard = new BombShard();
	bombShard.x = Math.random() * 2048;
	bombShard.y = Math.random() * 2732;
	bombShards.push(bombShard);
	game.addChild(bombShard);
}
// Handle player movement
game.move = function (x, y, obj) {
	player.x = x;
	player.y = y;
};
// Update game logic
game.update = function () {
	// Update player
	player.update();
	// Update aliens
	for (var i = 0; i < aliens.length; i++) {
		// Check if player is hiding behind an obstacle
		var isHiding = false;
		for (var j = 0; j < obstacles.length; j++) {
			if (player.intersects(obstacles[j])) {
				isHiding = true;
				break;
			}
		}
		// If player is not hiding and 3 seconds have passed, make the closest alien chase the player
		if (!isHiding && LK.ticks > 180) {
			var closestAlien = aliens.reduce(function (prev, curr) {
				var d1 = Math.hypot(player.x - prev.x, player.y - prev.y);
				var d2 = Math.hypot(player.x - curr.x, player.y - curr.y);
				return d1 < d2 ? prev : curr;
			});
			var dx = player.x - closestAlien.x;
			var dy = player.y - closestAlien.y;
			var angle = Math.atan2(dy, dx);
			closestAlien.x += Math.cos(angle) * (closestAlien.speed / 4);
			closestAlien.y += Math.sin(angle) * (closestAlien.speed / 4);
		}
		// Check for collision with player
		if (player.intersects(aliens[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Check for player intersecting with bomb shards
	for (var k = 0; k < bombShards.length; k++) {
		if (player.intersects(bombShards[k])) {
			// Player has collected a bomb shard
			bombShardsCollected++;
			bombShards[k].destroy(); // Destroy the collected bomb shard
			bombShards.splice(k, 1); // Remove the collected bomb shard from the array
			k--; // Decrement k to account for the removed bomb shard
		}
	}
	// If all bomb shards are collected, destroy all aliens and end game
	if (bombShardsCollected === 20) {
		for (var i = 0; i < aliens.length; i++) {
			aliens[i].destroy();
		}
		aliens = []; // Clear the aliens array
		LK.showYouWin(); // End game once all aliens are destroyed
	}
};