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

/**** 
* Classes
****/ 
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdSprite = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityY = 0;
	self.gravity = 0.8;
	self.flapStrength = -12;
	self.isDead = false;
	self.lastY = 0;
	self.flap = function () {
		if (!self.isDead && gameStarted && !flapSoundPlaying) {
			self.velocityY = self.flapStrength;
			flapSoundPlaying = true;
			var flapSound = LK.getSound('flap');
			flapSound.play();
			// Reset flap sound state when sound ends (approximate duration)
			LK.setTimeout(function () {
				flapSoundPlaying = false;
			}, 200);
		}
	};
	self.update = function () {
		if (!self.isDead) {
			self.lastY = self.y;
			self.velocityY += self.gravity;
			self.y += self.velocityY;
			// Rotate bird based on velocity
			birdSprite.rotation = Math.max(-0.5, Math.min(0.5, self.velocityY * 0.1));
			// Check ground collision
			if (self.y > groundY - 40) {
				self.y = groundY - 40;
				self.die();
			}
			// Check ceiling collision
			if (self.y < 40) {
				self.y = 40;
				self.velocityY = 0;
			}
		}
	};
	self.die = function () {
		if (!self.isDead) {
			self.isDead = true;
			if (!hitSoundPlaying) {
				hitSoundPlaying = true;
				var hitSound = LK.getSound('hit');
				hitSound.play();
			}
			gameState = 'gameover';
			// Update best score
			var currentScore = LK.getScore();
			if (currentScore > bestScore) {
				bestScore = currentScore;
				storage.bestScore = bestScore;
				bestScoreTxt.setText('Best: ' + bestScore);
			}
			LK.setTimeout(function () {
				// Reset game state to menu
				gameState = 'menu';
				gameStarted = false;
				self.isDead = false;
				self.velocityY = 0;
				self.y = 1366;
				// Smooth fade out only score display
				tween(scoreTxt, {
					alpha: 0
				}, {
					duration: 500
				});
				// Smooth fade in menu elements with scale animation
				tween(titleTxt, {
					alpha: 1,
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 800
				});
				tween(startBtn, {
					alpha: 1,
					y: 0
				}, {
					duration: 800
				});
				tween(bestScoreTxt, {
					alpha: 1,
					y: 120
				}, {
					duration: 800
				});
				tween(instructionTxt, {
					alpha: 1
				}, {
					duration: 800
				});
				hitSoundPlaying = false;
				flapSoundPlaying = false;
				// Clear all pipes
				for (var i = pipes.length - 1; i >= 0; i--) {
					pipes[i].destroy();
					pipes.splice(i, 1);
				}
				pipeSpawnTimer = 0;
				// Restart menu animations
				LK.setTimeout(function () {
					titlePulse();
					startBtnGlow();
					floatAnimation();
				}, 800);
			}, 2000);
		}
	};
	return self;
});
var Pipe = Container.expand(function (pipeX, gapY) {
	var self = Container.call(this);
	var topPipe = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 0.0,
		y: 0,
		height: gapY - 200
	});
	var bottomPipe = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 0.0,
		y: gapY + 200,
		height: 2732 - (gapY + 200)
	});
	self.x = pipeX;
	self.speed = -4;
	self.scored = false;
	self.lastX = pipeX;
	self.update = function () {
		self.lastX = self.x;
		self.x += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1e3c72
});

/**** 
* Game Code
****/ 
// Game variables
var bird;
var pipes = [];
var groundY = 2632;
var pipeSpawnTimer = 0;
var pipeSpawnInterval = 180;
var gameStarted = false;
var gameState = 'menu'; // 'menu', 'playing', 'gameover'
var hitSoundPlaying = false;
var flapSoundPlaying = false;
// Create ground
var ground = game.addChild(LK.getAsset('ground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: groundY + 50
}));
// Create bird
bird = new Bird();
bird.x = 300;
bird.y = 1366;
game.addChild(bird);
// Create score display
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
scoreTxt.y = 100;
LK.gui.top.addChild(scoreTxt);
// Create instructions
var instructionTxt = new Text2('Tap to flap!', {
	size: 60,
	fill: 0xFFFFFF
});
instructionTxt.anchor.set(0.5, 0);
instructionTxt.y = 300;
LK.gui.top.addChild(instructionTxt);
// Create menu elements
var titleTxt = new Text2('Burhan Nadirin peşinde', {
	size: 80,
	fill: 0xFFD700
});
titleTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(titleTxt);
titleTxt.y = -250;
// Add title pulsing animation
var titlePulse = function titlePulse() {
	tween(titleTxt, {
		scaleX: 1.1,
		scaleY: 1.1
	}, {
		duration: 1000
	});
};
titlePulse();
var startBtn = new Text2('TAP TO START', {
	size: 70,
	fill: 0x00FF7F
});
startBtn.anchor.set(0.5, 0.5);
LK.gui.center.addChild(startBtn);
// Add start button glow effect
var startBtnGlow = function startBtnGlow() {
	tween(startBtn, {
		alpha: 0.7
	}, {
		duration: 800
	});
};
startBtnGlow();
// Initialize best score
var bestScore = storage.bestScore || 0;
var bestScoreTxt = new Text2('Best: ' + bestScore, {
	size: 55,
	fill: 0xFFA500
});
bestScoreTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(bestScoreTxt);
bestScoreTxt.y = 120;
// Hide game elements initially
scoreTxt.alpha = 0;
instructionTxt.alpha = 0;
// Add floating animations to menu elements
var floatAnimation = function floatAnimation() {
	tween(bestScoreTxt, {
		y: 130
	}, {
		duration: 2000
	});
	tween(startBtn, {
		y: 10
	}, {
		duration: 1500
	});
};
floatAnimation();
function spawnPipe() {
	var gapY = 800 + Math.random() * 1200;
	var pipe = new Pipe(2200, gapY);
	pipes.push(pipe);
	game.addChild(pipe);
}
;
function checkCollisions() {
	if (bird.isDead) return;
	for (var i = 0; i < pipes.length; i++) {
		var pipe = pipes[i];
		// Check if bird passes through pipe gap for scoring
		if (!pipe.scored && pipe.lastX > bird.x && pipe.x <= bird.x) {
			pipe.scored = true;
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore().toString());
			var scoreSound = LK.getSound('score');
			scoreSound.play();
		}
		// Check collision with pipes
		var birdBounds = {
			left: bird.x - 116,
			right: bird.x + 116,
			top: bird.y - 87,
			bottom: bird.y + 87
		};
		var pipeBounds = {
			left: pipe.x - 125,
			right: pipe.x + 125,
			top: 0,
			bottom: 2732
		};
		// Check if bird overlaps with pipe horizontally
		if (birdBounds.right > pipeBounds.left && birdBounds.left < pipeBounds.right) {
			// Check if bird is in the gap area
			var gapTop = pipe.children[0].height;
			var gapBottom = pipe.children[1].y;
			// If bird is not in the gap, it's a collision
			if (birdBounds.top < gapTop || birdBounds.bottom > gapBottom) {
				bird.die();
				return;
			}
		}
	}
}
function cleanupPipes() {
	for (var i = pipes.length - 1; i >= 0; i--) {
		if (pipes[i].x < -200) {
			pipes[i].destroy();
			pipes.splice(i, 1);
		}
	}
}
game.down = function (x, y, obj) {
	if (gameState === 'menu') {
		// Start game
		gameState = 'playing';
		gameStarted = true;
		// Smooth fade out menu elements
		tween(titleTxt, {
			alpha: 0,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 500
		});
		tween(startBtn, {
			alpha: 0,
			y: startBtn.y - 50
		}, {
			duration: 500
		});
		tween(bestScoreTxt, {
			alpha: 0,
			y: bestScoreTxt.y + 50
		}, {
			duration: 500
		});
		// Smooth fade in only score display and hide instructions
		tween(scoreTxt, {
			alpha: 1
		}, {
			duration: 800
		});
		tween(instructionTxt, {
			alpha: 0
		}, {
			duration: 500
		});
		// Reset game
		LK.setScore(0);
		scoreTxt.setText('0');
	} else if (gameState === 'playing' && gameStarted) {
		bird.flap();
	}
};
game.update = function () {
	if (gameState !== 'playing') return;
	// Spawn pipes
	pipeSpawnTimer++;
	if (pipeSpawnTimer >= pipeSpawnInterval) {
		spawnPipe();
		pipeSpawnTimer = 0;
	}
	// Check collisions and scoring
	checkCollisions();
	// Clean up off-screen pipes
	cleanupPipes();
};