/**** 
* Classes
****/ 
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10; // Initial speed
	self.acceleration = 0.1; // Acceleration
	self._move_migrated = function () {
		self.y += self.speed; // Move obstacle down
		self.speed += self.acceleration; // Increase speed
		// Correctly scale the obstacle size as it moves down the screen
		// Correctly scale the obstacle size as it moves down the screen
		var screenHeight = 2732; // Full screen height for scaling calculation
		var baseScale = 1.0; // Base scale at the top
		var targetScale = 1.5; // Target scale at the bottom
		var progress = self.y / screenHeight; // Progress ratio from top (0) to bottom (1)
		var scaleFactor = baseScale + (targetScale - baseScale) * progress * 0.5; // Linear interpolation
		self.scale.set(scaleFactor, scaleFactor); // Apply scale factor uniformly
	};
});
// Assets will be automatically created based on usage in the code.
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = [];
	playerGraphics[0] = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	playerGraphics[1] = self.attachAsset('player_2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.direction = 1; // 1 for right, -1 for left
	self.currentFrame = 0; // Start with the first frame
	self.baseY = 0; // Initialize baseY
	self.isPulling = false; // Initialize isPulling
	self.currentScale = 1.0; // Initialize currentScale
	self._update_migrated = function () {
		// Player movement logic
		self.x += 20 * self.direction; // Increase player speed
		self.removeChildren();
		self.addChild(playerGraphics[self.currentFrame]); // Update graphics to current frame
		if (self.x < 50) {
			// Adjust for player's outer edge
			self.x = 50;
			self.direction = 1;
		} else if (self.x > 1998) {
			// Adjust for player's outer edge
			self.x = 1998;
			self.direction = -1;
		}
		// Handle animation frames
		self.handleAnimation();
		// Player vertical movement and scaling logic
		var maxDistance = 450; // Maximum distance from baseY for scaling
		if (self.isPulling) {
			// Decrease player's Y position until a maximum of 200 pixels below the baseY is reached
			if (self.y < self.baseY + maxDistance) {
				self.y += 10; // Incremental decrease
			}
		} else {
			// Move player back towards baseY at a predefined speed until it reaches baseY
			if (self.y > self.baseY) {
				self.y -= 10; // Predefined speed
			}
		}
		// Check for collision with obstacles
		for (var i = 0; i < obstacles.length; i++) {
			if (self.intersects(obstacles[i])) {
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			}
		}
		// Calculate the distance from baseY and scale player graphics
		var distanceFromBaseY = Math.min(self.y - self.baseY, maxDistance);
		var scale = 1.0 + distanceFromBaseY / maxDistance * 0.3; // Linearly interpolate scale between 100% and 125%
		self.currentScale = scale;
		playerGraphics.forEach(function (graphic) {
			graphic.scale.set(scale, scale); // Apply scale factor uniformly to all player graphics
		});
	};
	self.handleAnimation = function () {
		// Switch frames every 200ms
		if (LK.ticks % 12 == 0) {
			self.currentFrame = (self.currentFrame + 1) % 2;
			self.graphics = playerGraphics[self.currentFrame];
		}
	};
});

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

/**** 
* Game Code
****/ 
// Create BackgroundContainer, MidgroundContainer and ForegroundContainer
var BackgroundContainer = new Container();
var MidgroundContainer = new Container();
var ForegroundContainer = new Container();
// Add the containers to the game in the correct order
game.addChild(BackgroundContainer);
game.addChild(MidgroundContainer);
game.addChild(ForegroundContainer);
BackgroundContainer.handleBackgroundAnimation = function () {
	// Move the backgrounds down
	background.y += 10;
	background2.y += 10;
	// If the first background has moved off the screen, destroy it and recreate it above the second background
	if (background.y > 2732 * 1.5) {
		background.destroy();
		background = BackgroundContainer.attachAsset('background', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: background2.y - 2732,
			width: 2048,
			height: 2732
		});
	}
	// If the second background has moved off the screen, destroy it and recreate it above the first background
	if (background2.y > 2732 * 1.5) {
		background2.destroy();
		background2 = BackgroundContainer.attachAsset('background2', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: background.y - 2732,
			width: 2048,
			height: 2732
		});
	}
};
var background = BackgroundContainer.attachAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2,
	width: 2048,
	height: 2732
});
var background2 = BackgroundContainer.attachAsset('background2', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: -2732 / 2,
	width: 2048,
	height: 2732
});
// Global variables
var player;
var obstacles = [];
var isFrozen = false;
var score = 10; // Initialize the score to 10
var scoreTxt;
// Declare fuelConsumptionInterval in global scope for accessibility
var fuelConsumptionInterval;
// Initialize player
function initPlayer() {
	player = game.addChild(new Player());
	player.x = 2048 / 2; // Start position
	player.y = 2732 * 0.75;
	player.baseY = player.y; // Set baseY to starting Y position
	player.isPulling = false; // Set isPulling to false
}
// Initialize score display
function initScoreDisplay() {
	scoreTxt = new Text2(score.toString(), {
		size: 150,
		fill: "#ffffff",
		align: "center",
		stroke: "#000000",
		strokeThickness: 10
	});
	scoreTxt.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreTxt);
	scoreTxt.y = 10;
}
// Update score display
function updateScoreDisplay() {
	scoreTxt.setText(score.toString());
}
// Generate obstacles
function generateObstacle() {
	var obstacle = new Obstacle();
	obstacle.x = Math.random() * (2048 - 600) + 300; // Random width with increased padding
	obstacle.y = 0; // Start from the top edge
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
// Game tick
LK.on('tick', function () {
	BackgroundContainer.handleBackgroundAnimation();
	// Update player
	player._update_migrated();
	if (!isFrozen) {
		// Move obstacles
		for (var i = obstacles.length - 1; i >= 0; i--) {
			obstacles[i]._move_migrated();
			// Check collision
			if (player.intersects(obstacles[i]) && obstacles[i].y + obstacles[i].height / 2 > player.y - player.height / 2 * player.currentScale && obstacles[i].y - obstacles[i].height / 2 < player.y + player.height / 2 * player.currentScale) {
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			}
			// Remove off-screen obstacles
			if (obstacles[i].y - obstacles[i].height > 2732) {
				obstacles[i].destroy();
				obstacles.splice(i, 1);
				score += 5; // Increase score by 5 for every enemy that reaches the bottom
				updateScoreDisplay();
			}
		}
		// Generate obstacles
		if (LK.ticks % Math.max(1, 120 - Math.floor(score / 5)) == 0) {
			// Every 2 seconds, decreased by score/10
			generateObstacle();
		}
	}
});
// Initialize game elements
function initGame() {
	score = 10; // Ensure score starts at 10 for each new game
	initPlayer();
	initScoreDisplay();
}
initGame();
// Add a down event handler to the game object to set isFrozen to true when the screen is pressed
game.down = function (x, y, obj) {
	console.log("game.down event handler triggered");
	console.log("Screen pressed at: ", x, y);
	isFrozen = true;
	player.isPulling = true; // Set player.isPulling to true when screen is pressed
	if (player.y < player.baseY + 500) {
		// Ensure vertical movement does not start if player's Y position is already 200 pixels below baseY
		// Start or reset fuel consumption interval on game down event
		LK.clearInterval(fuelConsumptionInterval); // Clear any existing interval
		fuelConsumptionInterval = LK.setInterval(function () {
			// Start a new interval
			if (score > 0 && isFrozen) {
				score -= 1;
				updateScoreDisplay();
			} else if (score <= 0) {
				LK.clearInterval(fuelConsumptionInterval);
				fuelConsumptionInterval = null; // Reset interval ID
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			} else {
				LK.clearInterval(fuelConsumptionInterval);
				fuelConsumptionInterval = null; // Reset interval ID
			}
		}, 200);
	}
};
// Add an up event handler to the game object to set isFrozen to false when the screen is released
game.up = function (x, y, obj) {
	console.log("game.up event handler triggered");
	console.log("Screen released at: ", x, y);
	isFrozen = false;
	player.isPulling = false; // Set player.isPulling to false when screen is released
	LK.clearInterval(fuelConsumptionInterval);
	fuelConsumptionInterval = null; // Ensure the interval is cleared and reset
};