/**** 
* Classes
****/ 
// Bullet class for projectiles
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15;
	self.update = function () {
		self.y -= self.speed;
	};
});
// Enemy class representing AI foes
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 () {
		// Update logic for the enemy
	};
});
// Assets will be automatically created and loaded by the LK engine based on their usage in the code.
// Hunter class representing the player's character
var Hunter = Container.expand(function () {
	var self = Container.call(this);
	var hunterGraphics = self.attachAsset('hunter', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.direction = 0; // 0 - right, 1 - left, 2 - up, 3 - down
	self.update = function () {
		// Update logic for the hunter
		switch (self.direction) {
			case 0:
				self.x += self.speed;
				break;
			case 1:
				self.x -= self.speed;
				break;
			case 2:
				self.y -= self.speed;
				break;
			case 3:
				self.y += self.speed;
				break;
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize game variables
var hunter = game.addChild(new Hunter());
hunter.x = 2048 / 2;
hunter.y = 2732 - 200;
var enemies = [];
var bullets = [];
// Function to spawn enemies
function spawnEnemy() {
	var enemy = new Enemy();
	enemy.x = Math.random() * 2048;
	enemy.y = 0;
	enemies.push(enemy);
	game.addChild(enemy);
}
// Function to handle shooting
function shootBullet() {
	var bullet = new Bullet();
	bullet.x = hunter.x;
	bullet.y = hunter.y;
	bullets.push(bullet);
	game.addChild(bullet);
}
// Game update loop
game.update = function () {
	// Update hunter
	hunter.update();
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		if (enemies[i].y > 2732) {
			enemies[i].destroy();
			enemies.splice(i, 1);
		}
	}
	// Update bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		bullets[j].update();
		if (bullets[j].y < 0) {
			bullets[j].destroy();
			bullets.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])) {
				bullets[k].destroy();
				bullets.splice(k, 1);
				enemies[l].destroy();
				enemies.splice(l, 1);
				break;
			}
		}
	}
};
// Event listeners for player input
game.down = function (x, y, obj) {
	if (x > hunter.x) {
		hunter.direction = 0;
	} else if (x < hunter.x) {
		hunter.direction = 1;
	} else if (y < hunter.y) {
		hunter.direction = 2;
	} else if (y > hunter.y) {
		hunter.direction = 3;
	}
};
game.move = function (x, y, obj) {
	if (x > hunter.x) {
		hunter.direction = 0;
	} else if (x < hunter.x) {
		hunter.direction = 1;
	} else if (y < hunter.y) {
		hunter.direction = 2;
	} else if (y > hunter.y) {
		hunter.direction = 3;
	}
};
// Set interval to spawn enemies
LK.setInterval(spawnEnemy, 2000);
// Set interval to shoot bullets
LK.setInterval(shootBullet, 500);