/**** 
* Classes
****/ 
// Assets will be automatically created and loaded by the LK engine based on their usage in the code.
// Bird class to represent the player character
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdFrames = [];
	for (var i = 0; i < 3; i++) {
		birdFrames.push(LK.getAsset('bird_frame_' + i, {
			anchorX: 0.5,
			anchorY: 0.5
		}));
	}
	var birdGraphics = birdFrames[0];
	self.addChild(birdGraphics);
	self.currentFrame = 0;
	self.frameDelay = 5;
	self.frameCounter = 0;
	self.velocity = 0;
	self.gravity = 0;
	self.lift = 0;
	self.update = function () {
		self.velocity += self.gravity;
		self.y += self.velocity;
		if (self.y > 2732 - birdGraphics.height / 2) {
			self.y = 2732 - birdGraphics.height / 2;
			self.velocity = 0;
		}
		if (self.y < birdGraphics.height / 2) {
			self.y = birdGraphics.height / 2;
			self.velocity = 0;
		}
	};
	self.flap = function () {
		self.velocity = -10;
		self.flapPressed = true;
		LK.getSound('jump').play();
	};
});
// Pipe class to represent obstacles
var Pipe = Container.expand(function () {
	var self = Container.call(this);
	var pipeGraphics = LK.getAsset('pipe', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 52,
		height: Math.random() * (320 - 100) + 100 // Random height between 100 and 320
	});
	self.addChild(pipeGraphics);
	self.speed = -5;
	self.update = function () {
		self.x += self.speed;
		if (self.x < -pipeGraphics.width / 2) {
			self.destroy();
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
var background = LK.getAsset('background', {
	anchorX: 0.0,
	anchorY: 0.0,
	width: 2048,
	height: 2732
});
game.addChild(background);
var bird = game.addChild(new Bird());
bird.x = 2048 / 4;
bird.y = 2732 / 2;
bird.gravity = 0.5;
LK.setTimeout(function () {
	bird.gravity = 0.5;
}, 900);
var pipes = [];
var pipeSpeed = 0; // Speed of the pipes
var pipeGap = 200; // Initial distance between upper and lower pipes
var pipeInterval = 90; // Interval for pipe generation
var ticks = 0;
game.down = function (x, y, obj) {
	gameStarted = true;
	bird.flap();
};
var gameStarted = false;
var startScreen = false; // Define startScreen variable
var score = 0;
var gameData = {
	highScore: 0,
	totalGamesPlayed: 0,
	totalScore: 0
};
// Function to save game data to local storage
function saveGameData() {
	if (typeof localStorage !== 'undefined') {
		localStorage.setItem('gameData', JSON.stringify(gameData));
	}
}
// Function to load game data from local storage
function loadGameData() {
	var data = typeof localStorage !== 'undefined' ? localStorage.getItem('gameData') : null;
	if (data) {
		gameData = JSON.parse(data);
	}
}
// Load game data at the start
loadGameData();
var scoreText = new Text2('0', {
	size: 100,
	fill: "#ffffff",
	x: 2048 / 2,
	y: 200
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
game.update = function () {
	background.width = game.width;
	background.height = game.height;
	if (gameStarted && !startScreen) {
		bird.update();
		if (bird.y >= 2732 - bird.height / 2 || bird.y <= bird.height / 2) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		if (ticks % pipeInterval === 0) {
			// Reduce pipe gap as score increases, with a minimum gap of 120
			pipeGap = Math.max(120, 200 - Math.floor(score / 10) * 5);
			var pipe = new Pipe();
			pipe.x = 2048 + pipe.width;
			pipe.y = Math.random() * (2732 - pipe.height * 2) + pipe.height; // Adjusted random y position
			pipe.speed = -5 - Math.floor(score / 5); // Increase the speed of the pipes as the score increases
			pipes.push(pipe);
			game.addChild(pipe);
			// Ensure the pipe is correctly positioned when added to the game
			pipe.position.set(pipe.x, pipe.y);
		}
		for (var i = pipes.length - 1; i >= 0; i--) {
			pipes[i].update();
			if (pipes[i].intersects(bird)) {
				LK.effects.flashScreen(0xff0000, 1000);
				// Update game data
				gameData.totalGamesPlayed++;
				gameData.totalScore += score;
				if (score > gameData.highScore) {
					gameData.highScore = score;
				}
				saveGameData();
				LK.showGameOver('Score: ' + score + '\nHigh Score: ' + gameData.highScore);
			}
			if (pipes[i].x < bird.x && !pipes[i].scored) {
				score++;
				pipes[i].scored = true;
			}
			if (pipes[i].x < -pipes[i].width / 2) {
				pipes.splice(i, 1);
			}
		}
		scoreText.setText('Score: ' + score);
		ticks++;
	}
};