/**** 
* Classes
****/ 
// Ball class for shots from AI opponents
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = 0;
	self.speedY = 0;
	self.move = function () {
		self.x += self.speedX;
		self.y += self.speedY;
	};
	self.setSpeed = function (speedX, speedY) {
		self.speedX = speedX;
		self.speedY = speedY;
	};
});
// Assets will be automatically created based on usage in the code.
// Defender class
var Defender = Container.expand(function () {
	var self = Container.call(this);
	var defenderGraphics = self.attachAsset('defender', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function (x, y) {
		self.x = x;
		self.y = y;
	};
});
// Life class for the player's lives
var Life = Container.expand(function () {
	var self = Container.call(this);
	var lifeGraphics = self.attachAsset('life', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});

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

/**** 
* Game Code
****/ 
// Initialize lives
function initLives() {
	for (var i = 0; i < 3; i++) {
		var life = game.addChild(new Life());
		life.x = 25 + i * 60; // Position 25 pixels from the left and 60 pixels apart
		life.y = 25; // Position 25 pixels from the top
		lives.push(life);
	}
}
// Global variables
var defender;
var balls = [];
var gameAreaWidth = 2048;
var gameAreaHeight = 2732;
var scoreCounter;
var lives = [];
// Initialize defender
function initDefender() {
	defender = game.addChild(new Defender());
	defender.x = gameAreaWidth / 2;
	defender.y = gameAreaHeight - 200; // Position defender towards the bottom
}
// Initialize balls
function initBalls() {
	var ball = game.addChild(new Ball());
	ball.x = Math.random() * gameAreaWidth;
	ball.y = 0; // Start from the top
	var speedX = (Math.random() - 0.5) * 20;
	var speedY = Math.random() * 10 + 4;
	ball.setSpeed(speedX, speedY);
	balls.push(ball);
}
// Move defender based on touch
game.on('move', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	defender.move(pos.x, defender.y);
});
// Ball movement and collision detection
LK.on('tick', function () {
	balls.forEach(function (ball, index) {
		ball.move();
		ball.rotation += 0.1;
		// Bounce off the left and right sides of the screen
		if (ball.x < 0 || ball.x > gameAreaWidth) {
			ball.speedX *= -1;
		}
		// Remove ball if it goes off screen
		if (ball.y > gameAreaHeight) {
			ball.destroy();
			balls.splice(index, 1);
			// Decrease lives
			var life = lives.pop();
			life.destroy();
			// End game if all lives are lost
			if (lives.length == 0) {
				LK.showGameOver();
			}
		}
		// Check collision with defender
		if (ball.intersects(defender)) {
			ball.destroy();
			balls.splice(index, 1);
			// Handle collision (e.g., game over, score update)
			// Add 2 score to the score counter when a basketball is defended
			LK.setScore(LK.getScore() + 2);
			scoreCounter.setText(LK.getScore());
			// Increase the life amount by 1 every time a player gets 10 score, with a maximum of 3 lives
			if (LK.getScore() % 10 == 0 && lives.length < 3) {
				var life = game.addChild(new Life());
				life.x = 25 + lives.length * 60; // Position 25 pixels from the left and 60 pixels apart
				life.y = 25; // Position 25 pixels from the top
				lives.push(life);
			}
		}
	});
	// Add new ball every few seconds
	if (LK.ticks % Math.floor(180 / (1 + 0.1 * Math.floor(LK.getScore() / 10))) == 0) {
		// Every 3 seconds
		initBalls();
	}
});
// Initialize game elements
function initGame() {
	var background = game.addChild(LK.getAsset('background', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: gameAreaWidth / 2,
		y: gameAreaHeight / 2
	}));
	initDefender();
	initBalls();
	initScoreCounter();
	initLives();
}
initGame();
// Initialize score counter
function initScoreCounter() {
	scoreCounter = new Text2('0', {
		size: 150,
		fill: "#ffffff",
		stroke: "#000000",
		strokeThickness: 10
	});
	scoreCounter.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreCounter);
}