/**** 
* Classes
****/ 
// 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;
	self.update = function () {
		self.y += self.speed;
	};
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Enemy update logic
		var speedIncrease;
		if (LK.getScore() >= 40) {
			speedIncrease = 4;
		} else if (LK.getScore() >= 30) {
			speedIncrease = 2;
		} else {
			speedIncrease = Math.floor(LK.getScore() / 30);
		}
		self.y += 2 + speedIncrease; // Move the enemy downwards
	};
});
//<Assets used in the game will automatically appear here>
// Hero class
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Hero update logic
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000,
	//Init game with black background
	name: 'Foot 2.0'
});

/**** 
* Game Code
****/ 
// Initialize variables
var hero;
var enemies = [];
var bullets = [];
var score = 0;
var scoreTxt;
var dragNode = null;
// Initialize game elements
function initGame() {
	// Create background
	var background = LK.getAsset('background', {
		anchorX: 0.0,
		anchorY: 0.0,
		x: 0,
		y: 0
	});
	game.addChild(background);
	// Create hero
	hero = new Hero();
	hero.x = 2048 / 2;
	hero.y = 2732 - 200;
	game.addChild(hero);
	hero.zIndex = 1000; // Set a high z-index to make the 'hero' asset appear in front of other elements
	// Create score text
	scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	scoreTxt.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreTxt);
	// Create enemies
	for (var i = 0; i < 10; i++) {
		var enemy = new Enemy();
		enemy.x = Math.random() * 2048;
		enemy.y = Math.random() * 1000;
		enemies.push(enemy);
		game.addChild(enemy);
	}
}
// Handle game updates
game.update = function () {
	// Update hero
	hero.update();
	// Update enemies
	for (var i = 0; i < enemies.length; i++) {
		enemies[i].update();
		if (hero.intersects(enemies[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		// Remove enemy if it is off the screen
		if (enemies[i].y > 2732) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			enemies[i].destroy();
			enemies.splice(i, 1);
			i--;
		}
	}
	// Create new enemy every 60 ticks
	// Double the spawn rate when the player reaches 50 points
	// Quadruple the spawn rate when the player reaches 150 points
	var spawnRate;
	if (score >= 200) {
		spawnRate = 120;
	} else if (score >= 150) {
		spawnRate = 15;
	} else if (score >= 50) {
		spawnRate = 30;
	} else {
		spawnRate = 60;
	}
	if (LK.ticks % spawnRate == 0) {
		var enemy = new Enemy();
		enemy.x = Math.random() * 2048;
		enemy.y = -100;
		enemies.push(enemy);
		game.addChild(enemy);
	}
	// Update bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		bullets[j].update();
		if (bullets[j].y < -50) {
			bullets[j].destroy();
			bullets.splice(j, 1);
		}
		for (var k = enemies.length - 1; k >= 0; k--) {
			if (bullets[j] && bullets[j].intersects(enemies[k])) {
				score++;
				scoreTxt.setText(score);
				bullets[j].destroy();
				bullets.splice(j, 1);
				enemies[k].destroy();
				enemies.splice(k, 1);
				break;
			}
		}
	}
	// Add a giant donut when the player reaches 100 points
	if (score == 100) {
		var donut = LK.getAsset('donut', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 2,
			scaleY: 2,
			x: 2048 / 2,
			y: 2732 / 2
		});
		game.addChild(donut);
	}
	// Add a '3' asset when the player reaches 500 points to the right of the screen
	if (score == 500) {
		var three = LK.getAsset('3', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 2,
			scaleY: 2,
			x: 2048 - 100,
			y: 2732 / 2
		});
		game.addChild(three);
		three.zIndex = 1000; // Set a high z-index to make the '3' asset appear in front of other elements
	}
	// Add a 'Raclette' asset when the player reaches 1000 points to the right of the screen
	if (score == 1000) {
		var raclette = LK.getAsset('Raclette', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 2,
			scaleY: 2,
			x: 2048 - 100,
			y: 2732 / 2
		});
		game.addChild(raclette);
	}
	// Fire bullet
	var bulletSpawnRate = score >= 150 ? 3.75 : score >= 100 ? 7.5 : score >= 30 ? 15 : 30;
	if (LK.ticks % bulletSpawnRate == 0) {
		var newBullet = new Bullet();
		newBullet.x = hero.x;
		newBullet.y = hero.y;
		bullets.push(newBullet);
		game.addChild(newBullet);
	}
};
// Define handleMove function
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		dragNode.y = y;
	}
}
// Handle touch/mouse down
game.down = function (x, y, obj) {
	dragNode = hero;
	handleMove(x, y, obj);
};
// Handle touch/mouse up
game.up = function (x, y, obj) {
	dragNode = null;
};
// Handle touch/mouse move
game.move = handleMove;
// Initialize game
initGame();