/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var BodyPart = Container.expand(function () {
	var self = Container.call(this);
	var bodyPart = self.attachAsset('head', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add animation properties
	self.originalScale = 1;
	self.isAnimating = false;
	self.animationDirection = 1;
	// Rotate the body part based on direction
	self.setDirection = function (direction) {
		if (direction === 'up') {
			bodyPart.rotation = 0;
		} else if (direction === 'down') {
			bodyPart.rotation = Math.PI;
		} else if (direction === 'left') {
			bodyPart.rotation = -Math.PI / 2;
		} else if (direction === 'right') {
			bodyPart.rotation = Math.PI / 2;
		}
	};
	// Start wiggle animation for body parts
	self.startWiggleAnimation = function () {
		if (self.isAnimating) return;
		self.isAnimating = true;
		self.animateWiggle();
	};
	// Stop wiggle animation
	self.stopWiggleAnimation = function () {
		self.isAnimating = false;
		tween.stop(bodyPart, {
			scaleX: true,
			scaleY: true
		});
		bodyPart.scaleX = self.originalScale;
		bodyPart.scaleY = self.originalScale;
	};
	// Animate wiggle effect
	self.animateWiggle = function () {
		if (!self.isAnimating) return;
		var scaleOffset = 0.05;
		var duration = 250;
		// Determine which axis to animate based on direction
		var direction = self.animationDirection;
		var targetScaleX = self.originalScale;
		var targetScaleY = self.originalScale;
		// Wiggle based on body orientation
		if (bodyPart.rotation === 0 || bodyPart.rotation === Math.PI) {
			// For up/down movement, wiggle horizontally
			targetScaleX = self.originalScale + scaleOffset * direction;
		} else {
			// For left/right movement, wiggle vertically
			targetScaleY = self.originalScale + scaleOffset * direction;
		}
		tween(bodyPart, {
			scaleX: targetScaleX,
			scaleY: targetScaleY
		}, {
			duration: duration,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				self.animationDirection *= -1;
				if (self.isAnimating) {
					self.animateWiggle();
				}
			}
		});
	};
	return self;
});
var Bomb = Container.expand(function () {
	var self = Container.call(this);
	// Create a bomb obstacle using rock image asset with red tint
	var bomb = self.attachAsset('rock', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0xFF0000,
		// Red tint to distinguish from rocks
		scaleX: 0.8,
		scaleY: 0.8
	});
	return self;
});
var BonusFood = Container.expand(function () {
	var self = Container.call(this);
	// Create the bonus food
	var bonusFood = self.attachAsset('bonusFood', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var Food = Container.expand(function () {
	var self = Container.call(this);
	// Create the food
	var food = self.attachAsset('food', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var HealthBar = Container.expand(function () {
	var self = Container.call(this);
	// Create the health bar container box
	var barContainer = self.attachAsset('healbar', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0x000000,
		alpha: 0.7,
		scaleX: 2,
		scaleY: 0.5
	});
	// Create the bar background (red)
	var barBg = self.attachAsset('healbar', {
		anchorX: 0,
		anchorY: 0.5,
		tint: 0xFF0000,
		scaleX: 1.9,
		scaleY: 0.4,
		x: -barContainer.width / 2 + 5,
		y: 0
	});
	// Create the health indicator (green)
	var healthIndicator = self.attachAsset('healbar', {
		anchorX: 0,
		anchorY: 0.5,
		tint: 0x00FF00,
		scaleX: 1.9,
		scaleY: 0.4,
		x: -barContainer.width / 2 + 5,
		y: 0
	});
	self.updateHealth = function (health) {
		// Health ranges from 0 to 100, convert to scale between 0 and 1.9 (max bar width)
		var healthWidth = health / 100 * 1.9;
		healthIndicator.scaleX = healthWidth;
	};
	return self;
});
var Life = Container.expand(function () {
	var self = Container.call(this);
	// Create the life
	var life = self.attachAsset('life', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
var Pause = Container.expand(function () {
	var self = Container.call(this);
	// Create the pause button
	var pause = self.attachAsset('pause', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Event handler called when a press happens on element.
	self.down = function (x, y, obj) {
		if (!game.paused) {
			game.paused = true;
			pause.id = 'resume';
		} else {
			game.paused = false;
			pause.id = 'pause';
		}
	};
});
// Poison class has been removed
var Rock = Container.expand(function () {
	var self = Container.call(this);
	// Create a rock obstacle using rock image asset
	var rock = self.attachAsset('rock', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.2,
		scaleY: 1.2
	});
	return self;
});
var Snake = Container.expand(function () {
	var self = Container.call(this);
	// Create the head of the snake
	var head = self.attachAsset('head', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initialize the snake's direction and speed
	self.direction = 'up';
	self.speed = 5;
	self.previousPositions = [];
	// Update the head rotation based on direction
	self.updateHeadRotation = function () {
		if (self.direction === 'up') {
			head.rotation = 0;
		} else if (self.direction === 'down') {
			head.rotation = Math.PI;
		} else if (self.direction === 'left') {
			head.rotation = -Math.PI / 2;
		} else if (self.direction === 'right') {
			head.rotation = Math.PI / 2;
		}
	};
	self.moveHead = function (newDirection) {
		if (newDirection === 'up' && this.direction !== 'down') {
			this.direction = 'up';
			self.updateHeadRotation();
		} else if (newDirection === 'down' && this.direction !== 'up') {
			this.direction = 'down';
			self.updateHeadRotation();
		} else if (newDirection === 'left' && this.direction !== 'right') {
			this.direction = 'left';
			self.updateHeadRotation();
		} else if (newDirection === 'right' && this.direction !== 'left') {
			this.direction = 'right';
			self.updateHeadRotation();
		}
	};
	// Initialize with the correct rotation
	self.updateHeadRotation();
	return self;
});
var StarTrail = Container.expand(function () {
	var self = Container.call(this);
	// Create a star-like shape using an asset
	var star = self.attachAsset('food', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.5
	});
	// Set initial properties
	self.alpha = 1;
	self.fadeSpeed = 0.05;
	self.rotationSpeed = 0.1;
	self.tailLength = 0;
	self.maxTailLength = 30;
	self.growSpeed = 0.5;
	self.tailColor = 0xFFFF99; // Light yellow for tail
	star.tint = 0xFFFFFF; // White for star head
	// Update method to handle fading, rotation and tail growth
	self.update = function () {
		// Rotate the star
		star.rotation += self.rotationSpeed;
		// Fade out
		self.alpha -= self.fadeSpeed;
		// Grow tail initially
		if (self.tailLength < self.maxTailLength) {
			self.tailLength += self.growSpeed;
		}
		// If fully transparent, mark for removal
		if (self.alpha <= 0) {
			self.shouldRemove = true;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
//<Assets used in the game will automatically appear here>
var game = new LK.Game({
	backgroundColor: 0x000000 //Init game with black background
});

/**** 
* Game Code
****/ 
// Import tween plugin for animations
// Add a background to the game
var background = game.addChildAt(LK.getAsset('newBackground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2,
	alpha: 0.7 // Reduce opacity to improve visibility of game elements
}), 0); // Add background as the bottom-most layer
// Initialize pause button
var pause = game.addChild(new Pause());
// Position the pause button a little to the left from the top right corner of the game
pause.x = 2048 - pause.width;
pause.y = 50; // Move the pause button a little down
var snake = game.addChild(new Snake());
snake.body = [];
// Position the snake at the center of the game
snake.x = 2048 / 2;
snake.y = 2732 / 2;
// Initialize food
var food = game.addChild(new Food());
// Position the food at a random location within the game
food.x = Math.random() * 2048;
food.y = Math.random() * 2732;
// Initialize poison
var bonusFood = game.addChild(new BonusFood());
// Poison food item has been removed
bonusFood.x = -100;
bonusFood.y = -100;
var life = game.addChild(new Life());
// Hide the life when the game starts
life.x = -100;
life.y = -100;
// Hide the poison when the game starts
game.update = function () {
	if (game.paused) {
		return;
	}
	// Update the snake's position based on its direction and speed
	if (snake.direction === 'up') {
		snake.y -= snake.speed * 2.25;
	} else if (snake.direction === 'down') {
		snake.y += snake.speed * 2.25;
	} else if (snake.direction === 'left') {
		snake.x -= snake.speed * 2.25;
	} else if (snake.direction === 'right') {
		snake.x += snake.speed * 2.25;
	}
	// Store the current position of the snake head
	snake.previousPositions.unshift({
		x: snake.x,
		y: snake.y,
		direction: snake.direction
	});
	// Limit the previous positions array to the length of the body plus some buffer
	if (snake.previousPositions.length > snake.body.length + 10) {
		snake.previousPositions.pop();
	}
	// Update the position of the body parts to follow the head's previous positions
	for (var i = 0; i < snake.body.length; i++) {
		if (i + 1 < snake.previousPositions.length) {
			// Make sure the body part is added to the game at the bottom layer
			// to ensure it stays behind the head
			game.addChildAt(snake.body[i], 0);
			// Position the body part based on the previous position of the head
			snake.body[i].x = snake.previousPositions[i + 1].x;
			snake.body[i].y = snake.previousPositions[i + 1].y;
			snake.body[i].setDirection(snake.previousPositions[i + 1].direction);
			// Manage animation for body parts
			// Start animation if not already animating
			if (!snake.body[i].isAnimating) {
				snake.body[i].startWiggleAnimation();
			}
			// Set animation phase offset based on position in snake body
			// This creates a wave-like effect through the snake's body
			snake.body[i].animationDirection = i % 2 === 0 ? 1 : -1;
			// Create star trail effect behind the last body part (once every few frames)
			if (i === snake.body.length - 1 && LK.ticks % 3 === 0) {
				var star = new StarTrail();
				star.x = snake.body[i].x;
				star.y = snake.body[i].y;
				// Add some randomness to position for more organic feel
				star.x += Math.random() * 10 - 5;
				star.y += Math.random() * 10 - 5;
				// Place star trail behind the snake but above the background
				game.addChildAt(star, game.getChildIndex(background) + 1);
				if (!starTrails) {
					starTrails = [];
				}
				starTrails.push(star);
			}
		}
	}
	// Update and clean up star trails
	if (starTrails) {
		for (var j = starTrails.length - 1; j >= 0; j--) {
			starTrails[j].update();
			// Create comet trail effect with gradual color change
			if (starTrails[j].tailLength > 0 && LK.ticks % 2 === 0) {
				// Calculate color based on alpha
				var colorIntensity = Math.floor(starTrails[j].alpha * 255);
				var tailColor = colorIntensity << 16 | colorIntensity << 8 | Math.floor(colorIntensity * 0.7);
				// Apply color tint to create glowing effect
				if (starTrails[j].children[0]) {
					starTrails[j].children[0].tint = tailColor;
				}
				// Scale effect for comet-like appearance
				var scaleFactor = 0.5 + starTrails[j].alpha * 0.5;
				starTrails[j].scaleX = scaleFactor;
				starTrails[j].scaleY = scaleFactor;
			}
			if (starTrails[j].shouldRemove) {
				starTrails[j].destroy();
				starTrails.splice(j, 1);
			}
		}
	}
	// Check if the snake's head intersects with the food
	if (snake.intersects(food)) {
		// Increase the score by 50 instead of 10
		score += 50;
		// Update the score text
		scoreTxt.setText('Score: ' + score);
		// Increase the food consumed count
		foodConsumed += 1;
		// Track normal food items for poison spawning
		normalFoodCount += 1;
		// Every 3 normal food items, trigger spawning of 3 poison items
		if (normalFoodCount >= 3) {
			poisonToSpawn += 3;
			normalFoodCount = 0;
		}
		// Increase health by 10, up to maximum 100
		health = Math.min(health + 10, 100);
		// Update health bar
		updateHealthBar();
		// Add a new body part to the snake
		var newBodyPart = new BodyPart();
		// Set the direction of the new body part
		newBodyPart.setDirection(snake.direction);
		// If no previous positions exist, create initial position
		if (snake.previousPositions.length <= snake.body.length) {
			var lastPos;
			if (snake.body.length === 0) {
				lastPos = {
					x: snake.x,
					y: snake.y
				};
			} else {
				var lastBodyPart = snake.body[snake.body.length - 1];
				lastPos = {
					x: lastBodyPart.x,
					y: lastBodyPart.y
				};
			}
			// Calculate position based on direction
			if (snake.direction === 'up') {
				newBodyPart.x = lastPos.x;
				newBodyPart.y = lastPos.y + 50; // Use a fixed offset
			} else if (snake.direction === 'down') {
				newBodyPart.x = lastPos.x;
				newBodyPart.y = lastPos.y - 50;
			} else if (snake.direction === 'left') {
				newBodyPart.x = lastPos.x + 50;
				newBodyPart.y = lastPos.y;
			} else if (snake.direction === 'right') {
				newBodyPart.x = lastPos.x - 50;
				newBodyPart.y = lastPos.y;
			}
		} else {
			// Use the position from previous positions array
			var pos = snake.previousPositions[snake.body.length];
			newBodyPart.x = pos.x;
			newBodyPart.y = pos.y;
		}
		// Initialize animation properties and start animation for the new body part
		newBodyPart.startWiggleAnimation();
		// Add scale animation when adding new body part
		newBodyPart.scaleX = 0;
		newBodyPart.scaleY = 0;
		tween(newBodyPart, {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 300,
			easing: tween.easeOutElastic
		});
		snake.body.push(newBodyPart);
		game.addChild(newBodyPart);
		// Create an initial burst of star trail when a new body part is added
		for (var s = 0; s < 10; s++) {
			var star = new StarTrail();
			star.x = newBodyPart.x + (Math.random() * 60 - 30);
			star.y = newBodyPart.y + (Math.random() * 60 - 30);
			star.alpha = 0.8 + Math.random() * 0.2;
			star.fadeSpeed = 0.03 + Math.random() * 0.02;
			star.rotationSpeed = 0.05 + Math.random() * 0.1;
			// Place star above background but below game elements
			game.addChildAt(star, game.getChildIndex(background) + 1);
			starTrails.push(star);
		}
		// Check if it's time to show the bonus food
		if (score % 150 === 0) {
			// Position the bonus food at a new random location within the game, ensuring it does not appear on the border
			do {
				bonusFood.x = Math.random() * (2048 - bonusFood.width) + bonusFood.width / 2;
				bonusFood.y = Math.random() * (2732 - bonusFood.height) + bonusFood.height / 2;
			} while ((bonusFood.x < 100 || bonusFood.x > 1948) && (bonusFood.y < 100 || bonusFood.y > 2632));
			// Show the bonus food for 8 seconds
			LK.setTimeout(function () {
				bonusFood.x = -100;
				bonusFood.y = -100;
			}, 8000);
		}
		// Display "Seni seviyorum" message inside the health bar
		if (score >= 300 && !messageDisplayed) {
			// Create a flag to track whether the message has been displayed
			messageDisplayed = true;
			// Show the message inside the health bar
			var loveMessage = new Text2('Seni seviyorum', {
				size: 32,
				fill: 0xFFFFFF
			});
			// Center the message
			loveMessage.anchor.set(0.5, 0.5);
			// Add message to the health bar
			healthBar.addChild(loveMessage);
			// Start with zero scale and fade in
			loveMessage.scaleX = 0;
			loveMessage.scaleY = 0;
			loveMessage.alpha = 0;
			// Animate the message appearance
			tween(loveMessage, {
				scaleX: 1,
				scaleY: 1,
				alpha: 1
			}, {
				duration: 500,
				easing: tween.elasticOut
			});
			// Keep the message visible permanently
		}
		// Check if it's time to show the life
		if (score !== 0 && score % 100 === 0 && score != previousScore) {
			previousScore = score;
			// Position the life at a new random location within the game, ensuring it does not appear on the border
			do {
				life.x = Math.random() * (2048 - life.width) + life.width / 2;
				life.y = Math.random() * (2732 - life.height) + life.height / 2;
			} while ((life.x < 100 || life.x > 1948) && (life.y < 100 || life.y > 2632));
			// Show the life for 10 seconds
			LK.setTimeout(function () {
				life.x = -100;
				life.y = -100;
			}, 10000);
		}
		// Poison spawning has been removed
		// Spawn more rocks and bombs when score passes 100
		if (score > 100 && score < 200 && rocks.length === 0) {
			// Spawn 5 rocks in random positions
			for (var r = 0; r < 5; r++) {
				var rock = new Rock();
				// Position rocks randomly but avoid placing directly on snake
				do {
					rock.x = Math.random() * (2048 - 200) + 100;
					rock.y = Math.random() * (2732 - 200) + 100;
				} while (Math.abs(rock.x - snake.x) < 200 && Math.abs(rock.y - snake.y) < 200);
				game.addChild(rock);
				rocks.push(rock);
			}
			// Add 3 bomb obstacles
			for (var b = 0; b < 3; b++) {
				var bomb = new Bomb();
				// Position bombs randomly but avoid placing directly on snake
				do {
					bomb.x = Math.random() * (2048 - 200) + 100;
					bomb.y = Math.random() * (2732 - 200) + 100;
				} while (Math.abs(bomb.x - snake.x) < 200 && Math.abs(bomb.y - snake.y) < 200);
				game.addChild(bomb);
				bombs.push(bomb);
			}
		}
		// Remove rocks when score reaches 200
		if (score >= 200 && rocks.length > 0) {
			// Remove all rocks
			for (var i = rocks.length - 1; i >= 0; i--) {
				rocks[i].destroy();
				rocks.splice(i, 1);
			}
		}
		// Occasionally spawn a bomb (every 100 score points after 150)
		if (score > 150 && score % 100 === 0 && score !== previousBombScore) {
			previousBombScore = score;
			var bomb = new Bomb();
			// Position the bomb randomly but avoid placing directly on snake
			do {
				bomb.x = Math.random() * (2048 - 200) + 100;
				bomb.y = Math.random() * (2732 - 200) + 100;
			} while (Math.abs(bomb.x - snake.x) < 200 && Math.abs(bomb.y - snake.y) < 200);
			game.addChild(bomb);
			bombs.push(bomb);
			// Remove the bomb after 10 seconds
			LK.setTimeout(function () {
				if (bombs.length > 0) {
					for (var i = 0; i < bombs.length; i++) {
						if (bombs[i] === bomb) {
							bombs[i].destroy();
							bombs.splice(i, 1);
							break;
						}
					}
				}
			}, 10000);
		}
		// Position the food at a new random location within the game, ensuring it does not appear on the border
		do {
			food.x = Math.random() * (2048 - food.width) + food.width / 2;
			food.y = Math.random() * (2732 - food.height) + food.height / 2;
		} while ((food.x < 100 || food.x > 1948) && (food.y < 100 || food.y > 2632));
		// Play baby sound when food is eaten
		LK.getSound('yiyecek').play();
	}
	// Check if the snake's head intersects with the bonus food
	if (snake.intersects(bonusFood)) {
		// Increase the score by 50
		score += 50;
		// Update the score text
		scoreTxt.setText('Score: ' + score);
		// Play the bonus food sound
		LK.getSound('bonusfood').play();
		// Hide the bonus food
		bonusFood.x = -100;
		bonusFood.y = -100;
	}
	// Check if the snake's head intersects with the life
	if (snake.intersects(life)) {
		// Increase the lives by 1, up to a maximum of 8
		if (lives < 8) {
			lives += 1;
			// Update the lives text
			livesTxt.setText('Lives: ' + lives);
			// Update health bar
			updateHealthBar();
			// Play the life sound
			LK.getSound('life').play();
		}
		// Hide the life
		life.x = -100;
		life.y = -100;
	}
	// Poison food item has been removed
	// Check if the snake's head has moved out of the screen
	if (snake.x < 0) {
		snake.x = 2048;
	} else if (snake.x > 2048) {
		snake.x = 0;
	} else if (snake.y < 0) {
		snake.y = 2732;
	} else if (snake.y > 2732) {
		snake.y = 0;
	}
	// Check for collision with rocks
	for (var r = 0; r < rocks.length; r++) {
		if (snake.intersects(rocks[r])) {
			// Track if this is the first or second collision
			if (!snake.rockCollision) {
				// First collision - reduce health by 70
				snake.rockCollision = true;
				health -= 70;
				// Ensure health doesn't go below 0
				if (health < 0) health = 0;
				// Update the health bar
				updateHealthBar();
				// Flash screen red for visual feedback
				LK.effects.flashScreen(0xFF0000, 300);
				// Push snake back a bit from the rock
				if (snake.direction === 'up') {
					snake.y += 50;
				} else if (snake.direction === 'down') {
					snake.y -= 50;
				} else if (snake.direction === 'left') {
					snake.x += 50;
				} else if (snake.direction === 'right') {
					snake.x -= 50;
				}
				// Make the rock disappear
				rocks[r].destroy();
				rocks.splice(r, 1);
			} else {
				// Second collision - snake dies
				LK.getSound('GameOver').play();
				// Flash screen red for visual feedback
				LK.effects.flashScreen(0xFF0000, 500);
				LK.showGameOver();
			}
			break;
		}
	}
	// Check for collision with bombs
	for (var b = 0; b < bombs.length; b++) {
		if (snake.intersects(bombs[b])) {
			// Decrease health by 20 for bomb collision
			health -= 20;
			// Ensure health doesn't go below 0
			if (health < 0) health = 0;
			// Update the health bar
			updateHealthBar();
			// Flash screen red for visual feedback
			LK.effects.flashScreen(0xFF0000, 200);
			// Play the poison sound
			LK.getSound('poison').play();
			// Remove the bomb after collision
			bombs[b].destroy();
			bombs.splice(b, 1);
			// Check if health has hit 0
			if (health === 0) {
				// Show game over
				LK.getSound('GameOver').play();
				LK.showGameOver();
			}
			break;
		}
	}
};
// Initialize lives, score, food consumed
var lives = 3;
var score = 0;
var previousScore = 0;
var previousBombScore = 0;
var foodConsumed = 0;
var normalFoodCount = 0; // Initialize normalFoodCount
var poisonToSpawn = 0; // Initialize poisonToSpawn
var starTrails = [];
var rocks = []; // Array to hold rock obstacles
var bombs = []; // Array to hold bomb obstacles
var messageDisplayed = false; // Flag to track if "I love you" message has been displayed
// Create lives text
var livesTxt = new Text2('Lives: ' + lives, {
	size: 32,
	fill: 0xFFFFFF
});
livesTxt.anchor.set(0, 0);
LK.gui.topLeft.addChild(livesTxt);
// Create score text
var scoreTxt = new Text2('Score: ' + score, {
	size: 32,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Initialize health
var health = 100;
// Create and position health bar
var healthBar = game.addChild(new HealthBar());
healthBar.x = 2048 / 2;
healthBar.y = 50;
// Function to update health bar
function updateHealthBar() {
	healthBar.updateHealth(health);
}
// Initialize health bar display
updateHealthBar();
game.down = function (x, y, obj) {
	if (game.paused) {
		return;
	}
	// Change the snake's direction to always move in the direction of the front area of the snake head which is not connected to the snake body
	if (x > snake.x && snake.direction !== 'left' && snake.direction !== 'right') {
		snake.moveHead('right');
	} else if (x < snake.x && snake.direction !== 'right' && snake.direction !== 'left') {
		snake.moveHead('left');
	} else if (y > snake.y && snake.direction !== 'up' && snake.direction !== 'down') {
		snake.moveHead('down');
	} else if (y < snake.y && snake.direction !== 'down' && snake.direction !== 'up') {
		snake.moveHead('up');
	}
};