/**** 
* Classes
****/ 
// Candy class to manage the candy's behavior
var Candy = Container.expand(function () {
	var self = Container.call(this);
	var candyGraphics = self.attachAsset('candy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Randomly position the candy on the screen
	self.randomizePosition = function () {
		self.x = Math.floor(Math.random() * 2048);
		self.y = Math.floor(Math.random() * 2732);
	};
	return self;
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Snake class to manage the snake's behavior
var Snake = Container.expand(function () {
	var self = Container.call(this);
	self.segments = [];
	self.direction = {
		x: 0,
		y: -1
	}; // Initial direction: up
	self.speed = 5; // Speed of the snake
	// Initialize the snake with 3 segments
	for (var i = 0; i < 3; i++) {
		var segment = self.attachAsset('snakeSegment', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		segment.x = 1024; // Center horizontally
		segment.y = 1366 + i * 20; // Stack segments vertically
		self.segments.push(segment);
	}
	// Update the snake's position
	self.update = function () {
		// Move each segment to the position of the previous one
		for (var i = self.segments.length - 1; i > 0; i--) {
			self.segments[i].x = self.segments[i - 1].x;
			self.segments[i].y = self.segments[i - 1].y;
		}
		// Move the head in the current direction
		self.segments[0].x += self.direction.x * self.speed;
		self.segments[0].y += self.direction.y * self.speed;
	};
	// Grow the snake by adding a new segment
	self.grow = function () {
		var lastSegment = self.segments[self.segments.length - 1];
		var newSegment = self.attachAsset('snakeSegment', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 1.1,
			// Increase the size of the new segment slightly
			scaleY: 1.1 // Increase the size of the new segment slightly
		});
		newSegment.x = lastSegment.x;
		newSegment.y = lastSegment.y;
		self.segments.push(newSegment);
	};
	return self;
});

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

/**** 
* Game Code
****/ 
snake = new Snake();
game.addChild(snake);
candy = new Candy();
candy.randomizePosition();
game.addChild(candy);
score = 0;
var scoreTxt = new Text2('Score: 0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Handle swipe events to change the snake's direction
game.down = function (x, y, obj) {
	var game_position = game.toLocal(obj.global);
	if (Math.abs(game_position.x - snake.segments[0].x) > Math.abs(game_position.y - snake.segments[0].y)) {
		snake.direction = {
			x: game_position.x > snake.segments[0].x ? 1 : -1,
			y: 0
		};
	} else {
		snake.direction = {
			x: 0,
			y: game_position.y > snake.segments[0].y ? 1 : -1
		};
	}
};
// Update game logic
game.update = function () {
	snake.update();
	// Check collision with candy
	if (snake.segments[0].intersects(candy)) {
		snake.grow();
		candy.randomizePosition();
		score += 1;
		scoreTxt.setText('Score: ' + score);
		// Increase the size of the snake slightly each time it scores
		for (var i = 0; i < snake.segments.length; i++) {
			snake.segments[i].scaleX += 0.01;
			snake.segments[i].scaleY += 0.01;
		}
	}
	// Check collision with walls
	if (snake.segments[0].x < 0 || snake.segments[0].x > 2048 || snake.segments[0].y < 0 || snake.segments[0].y > 2732) {
		LK.effects.flashScreen(0xff0000, 1000);
		LK.showGameOver();
	}
	// Check if the player has won
	if (score >= 70) {
		LK.showGameOver();
	}
};
var score = 0;
var snake;
var candy;
if (!snake) {
	snake = new Snake();
	game.addChild(snake);
}