/**** 
* Classes
****/ 
// Food class for items the snake can eat
var Food = Container.expand(function () {
	var self = Container.call(this);
	var foodGraphics = self.attachAsset('food', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Randomly position the food on the screen
	self.randomizePosition = function () {
		do {
			self.x = Math.floor(Math.random() * (fence.width - 2 * self.width - 400)) + fence.x + self.width + 200;
			self.y = Math.floor(Math.random() * (fence.height / 2 - 2 * self.height)) + fence.y + self.height;
		} while (!fence.intersects(self));
	};
	return self;
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Snake class for both player and computer-controlled snakes
var Snake = Container.expand(function () {
	var self = Container.call(this);
	self.segments = [];
	self.direction = {
		x: 1,
		y: 0
	}; // Initial direction to the right
	self.speed = 1.25; // Speed of the snake
	// Initialize snake with a given length
	self.init = function (length, startX, startY) {
		for (var i = 0; i < length; i++) {
			var segment = self.attachAsset('snakeSegment', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: startX - i * 20,
				y: startY
			});
			self.segments.push(segment);
		}
	};
	// Update snake position
	self.update = function () {
		// Store the previous position of the head
		var prevX = self.segments[0].x;
		var prevY = self.segments[0].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;
		// Move each segment to the position of the previous one
		for (var i = 1; i < self.segments.length; i++) {
			var tempX = self.segments[i].x;
			var tempY = self.segments[i].y;
			self.segments[i].x = prevX;
			self.segments[i].y = prevY;
			prevX = tempX;
			prevY = tempY;
		}
		// Check if the last segment is off the screen
		var lastSegment = self.segments[self.segments.length - 1];
		if (lastSegment.x < 0 || lastSegment.x > 2048 || lastSegment.y < 0 || lastSegment.y > 2732) {
			// Remove the last segment from the snake and return it to the pool
			self.segmentPool.push(self.segments.pop());
		}
	};
	// Initialize an object pool for the snake segments
	self.segmentPool = [];
	// Grow the snake by adding a new segment
	self.grow = function () {
		var lastSegment = self.segments[self.segments.length - 1];
		var newSegment;
		// Check if there are any segments in the pool
		if (self.segmentPool.length > 0) {
			// Reuse a segment from the pool
			newSegment = self.segmentPool.pop();
			newSegment.x = lastSegment.x;
			newSegment.y = lastSegment.y;
		} else {
			// Create a new segment
			newSegment = self.attachAsset('snakeSegment', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: lastSegment.x,
				y: lastSegment.y
			});
		}
		self.segments.push(newSegment);
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Initialize screen
var screen = game.attachAsset('screen', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2 - 200,
	color: 0x8FBC8F // Beige green color
});
game.addChild(screen);
// Initialize phone
var phone = game.attachAsset('phone', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2 + 900
});
game.addChild(phone);
// Initialize transparent square
var fence = game.attachAsset('fence', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2 - 200
});
game.addChild(fence);
// Initialize player snake
var playerSnake = new Snake();
playerSnake.init(5, fence.x, fence.y);
game.addChild(playerSnake);
// Initialize food
var food = new Food();
food.x = fence.x;
food.y = fence.y;
game.addChild(food);
// Ensure that every game start and restart contains minimum 1 food
LK.on('restart', function () {
	food = new Food();
	food.x = fence.x;
	food.y = fence.y;
	game.addChild(food);
});
// Handle game updates
game.update = function () {
	if (LK.ticks % 1 == 0) {
		// Update every 60Hz
		playerSnake.update();
		// Check if player snake is at the edge of the fence
		for (var i = 0; i < playerSnake.segments.length; i++) {
			if (!fence.intersects(playerSnake.segments[i])) {
				// If the snake is at the right edge of the fence, load it to the left edge
				if (playerSnake.segments[i].x > fence.x + fence.width / 2) {
					playerSnake.segments[i].x = fence.x - fence.width / 2;
				}
				// If the snake is at the left edge of the fence, load it to the right edge
				else if (playerSnake.segments[i].x < fence.x - fence.width / 2) {
					playerSnake.segments[i].x = fence.x + fence.width / 2;
				}
				// If the snake is at the top edge of the fence, load it to the bottom edge
				else if (playerSnake.segments[i].y < fence.y - fence.height / 2) {
					playerSnake.segments[i].y = fence.y + fence.height / 2;
				}
				// If the snake is at the bottom edge of the fence, load it to the top edge
				else if (playerSnake.segments[i].y > fence.y + fence.height / 2) {
					playerSnake.segments[i].y = fence.y - fence.height / 2;
				}
			}
		}
		// Check for collision with food
		if (playerSnake.segments[0].intersects(food)) {
			playerSnake.grow();
			playerSnake.grow(); // Grow the player's snake by an additional segment
			food.randomizePosition();
		}
	}
};
// Handle player input for snake direction
game.down = function (x, y, obj) {
	var head = playerSnake.segments[0];
	if (Math.abs(x - head.x) > Math.abs(y - head.y)) {
		if (x > head.x) {
			playerSnake.direction = {
				x: 1,
				y: 0
			};
		} else if (x < head.x) {
			playerSnake.direction = {
				x: -1,
				y: 0
			};
		}
	} else {
		if (y > head.y) {
			playerSnake.direction = {
				x: 0,
				y: 1
			};
		} else if (y < head.y) {
			playerSnake.direction = {
				x: 0,
				y: -1
			};
		}
	}
	console.log("Game was clicked at", x, y);
};
;