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

/**** 
* Classes
****/ 
var BackgroundElement = Container.expand(function (type) {
	var self = Container.call(this);
	var bgGraphics = self.attachAsset(type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -2;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Obstacle = Container.expand(function (type) {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset(type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -5;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -5;
	self.update = function () {
		self.x += self.speed;
		// Gentle floating animation
		self.y += Math.sin(LK.ticks * 0.1) * 0.5;
	};
	return self;
});
var Rocket = Container.expand(function () {
	var self = Container.call(this);
	var rocketGraphics = self.attachAsset('rocket', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.verticalSpeed = 0;
	self.maxVerticalSpeed = 8;
	self.acceleration = 0.3;
	self.deceleration = 0.2;
	self.update = function () {
		// Continuous forward movement
		self.x += self.speed;
		// Apply vertical movement with deceleration
		if (self.verticalSpeed > 0) {
			self.verticalSpeed -= self.deceleration;
			if (self.verticalSpeed < 0) self.verticalSpeed = 0;
		} else if (self.verticalSpeed < 0) {
			self.verticalSpeed += self.deceleration;
			if (self.verticalSpeed > 0) self.verticalSpeed = 0;
		}
		self.y += self.verticalSpeed;
		// Keep rocket within screen bounds
		if (self.y < 100) self.y = 100;
		if (self.y > 2632) self.y = 2632;
	};
	self.moveUp = function () {
		self.verticalSpeed = -self.maxVerticalSpeed;
	};
	self.moveDown = function () {
		self.verticalSpeed = self.maxVerticalSpeed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000033
});

/**** 
* Game Code
****/ 
// Sound effects
// Level selection buttons
// UI elements
// Background elements
// Power-ups
// Obstacles for different environments
// Rocket ship
// Game state variables
var gameState = 'levelSelect'; // 'levelSelect', 'countdown', 'playing', 'gameOver'
var currentLevel = '';
var countdownTimer = 0;
var countdownValue = 5;
var spawnTimer = 0;
var backgroundTimer = 0;
var distance = 0;
// Game objects
var rocket = null;
var obstacles = [];
var powerUps = [];
var backgroundElements = [];
// UI elements
var upButton = null;
var downButton = null;
var spaceButton = null;
var saturnButton = null;
var earthButton = null;
// Score and UI text
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: '#FFFFFF'
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var countdownText = new Text2('', {
	size: 200,
	fill: '#FFFF00'
});
countdownText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(countdownText);
var levelText = new Text2('Select Level', {
	size: 80,
	fill: '#FFFFFF'
});
levelText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(levelText);
// Initialize level selection
function initLevelSelect() {
	gameState = 'levelSelect';
	// Create level selection buttons
	spaceButton = game.addChild(LK.getAsset('spaceButton', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	spaceButton.x = 1024;
	spaceButton.y = 1200;
	saturnButton = game.addChild(LK.getAsset('saturnButton', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	saturnButton.x = 1024;
	saturnButton.y = 1400;
	earthButton = game.addChild(LK.getAsset('earthButton', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	earthButton.x = 1024;
	earthButton.y = 1600;
	// Add button labels
	var spaceText = new Text2('SPACE', {
		size: 50,
		fill: '#FFFFFF'
	});
	spaceText.anchor.set(0.5, 0.5);
	spaceButton.addChild(spaceText);
	var saturnText = new Text2('SATURN', {
		size: 50,
		fill: '#FFFFFF'
	});
	saturnText.anchor.set(0.5, 0.5);
	saturnButton.addChild(saturnText);
	var earthText = new Text2('EARTH', {
		size: 50,
		fill: '#FFFFFF'
	});
	earthText.anchor.set(0.5, 0.5);
	earthButton.addChild(earthText);
	levelText.setText('Select Level');
}
// Start countdown sequence
function startCountdown(level) {
	currentLevel = level;
	gameState = 'countdown';
	countdownTimer = 0;
	countdownValue = 5;
	// Clear level selection
	if (spaceButton) {
		spaceButton.destroy();
		spaceButton = null;
	}
	if (saturnButton) {
		saturnButton.destroy();
		saturnButton = null;
	}
	if (earthButton) {
		earthButton.destroy();
		earthButton = null;
	}
	levelText.setText('');
	// Set background color based on level
	switch (level) {
		case 'space':
			game.setBackgroundColor(0x000033);
			break;
		case 'saturn':
			game.setBackgroundColor(0x4B0082);
			break;
		case 'earth':
			game.setBackgroundColor(0x87CEEB);
			break;
	}
}
// Initialize gameplay
function initGameplay() {
	gameState = 'playing';
	countdownText.setText('');
	// Create rocket
	rocket = game.addChild(new Rocket());
	rocket.x = 300;
	rocket.y = 1366;
	// Create control buttons
	upButton = game.addChild(LK.getAsset('upButton', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	upButton.x = 1800;
	upButton.y = 1000;
	downButton = game.addChild(LK.getAsset('downButton', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	downButton.x = 1800;
	downButton.y = 1600;
	// Add button labels
	var upText = new Text2('UP', {
		size: 40,
		fill: '#FFFFFF'
	});
	upText.anchor.set(0.5, 0.5);
	upButton.addChild(upText);
	var downText = new Text2('DOWN', {
		size: 40,
		fill: '#FFFFFF'
	});
	downText.anchor.set(0.5, 0.5);
	downButton.addChild(downText);
	// Reset game variables
	distance = 0;
	spawnTimer = 0;
	backgroundTimer = 0;
	obstacles = [];
	powerUps = [];
	backgroundElements = [];
	LK.setScore(0);
	scoreText.setText('Score: 0');
	LK.getSound('rocket').play();
}
// Spawn obstacles based on current level
function spawnObstacle() {
	var obstacleType = '';
	var yPosition = Math.random() * (2632 - 200) + 100;
	switch (currentLevel) {
		case 'space':
			obstacleType = 'spaceObstacle';
			break;
		case 'saturn':
			obstacleType = 'saturnObstacle';
			break;
		case 'earth':
			obstacleType = 'earthObstacle';
			break;
	}
	var obstacle = game.addChild(new Obstacle(obstacleType));
	obstacle.x = 2148;
	obstacle.y = yPosition;
	obstacles.push(obstacle);
}
// Spawn power-ups
function spawnPowerUp() {
	var powerUp = game.addChild(new PowerUp());
	powerUp.x = 2148;
	powerUp.y = Math.random() * (2632 - 200) + 100;
	powerUps.push(powerUp);
}
// Spawn background elements
function spawnBackground() {
	var bgType = '';
	var yPosition = Math.random() * 2732;
	switch (currentLevel) {
		case 'space':
			bgType = 'star';
			break;
		case 'saturn':
			bgType = 'saturnRing';
			break;
		case 'earth':
			bgType = 'cloud';
			break;
	}
	var bgElement = game.addChild(new BackgroundElement(bgType));
	bgElement.x = 2148;
	bgElement.y = yPosition;
	backgroundElements.push(bgElement);
}
// Button event handlers
game.down = function (x, y, obj) {
	if (gameState === 'levelSelect') {
		var gamePos = game.toLocal(obj.parent.toGlobal(obj.position));
		if (spaceButton && spaceButton.intersects({
			x: gamePos.x,
			y: gamePos.y,
			width: 1,
			height: 1
		})) {
			startCountdown('space');
		} else if (saturnButton && saturnButton.intersects({
			x: gamePos.x,
			y: gamePos.y,
			width: 1,
			height: 1
		})) {
			startCountdown('saturn');
		} else if (earthButton && earthButton.intersects({
			x: gamePos.x,
			y: gamePos.y,
			width: 1,
			height: 1
		})) {
			startCountdown('earth');
		}
	} else if (gameState === 'playing') {
		var gamePos = game.toLocal(obj.parent.toGlobal(obj.position));
		if (upButton && upButton.intersects({
			x: gamePos.x,
			y: gamePos.y,
			width: 1,
			height: 1
		})) {
			rocket.moveUp();
		} else if (downButton && downButton.intersects({
			x: gamePos.x,
			y: gamePos.y,
			width: 1,
			height: 1
		})) {
			rocket.moveDown();
		}
	}
};
// Main game update loop
game.update = function () {
	if (gameState === 'countdown') {
		countdownTimer++;
		if (countdownTimer % 60 === 0) {
			// Every second
			if (countdownValue > 0) {
				countdownText.setText(countdownValue.toString());
				LK.getSound('countdown').play();
				countdownValue--;
			} else {
				countdownText.setText('BLAST OFF!');
				LK.setTimeout(function () {
					initGameplay();
				}, 1000);
			}
		}
	} else if (gameState === 'playing') {
		distance++;
		// Update score based on distance
		if (distance % 60 === 0) {
			LK.setScore(LK.getScore() + 10);
			scoreText.setText('Score: ' + LK.getScore());
		}
		// Spawn obstacles
		var spawnRate = 180; // Base spawn rate
		if (currentLevel === 'saturn') spawnRate = 150;
		if (currentLevel === 'earth') spawnRate = 120;
		spawnTimer++;
		if (spawnTimer >= spawnRate) {
			spawnObstacle();
			spawnTimer = 0;
		}
		// Spawn power-ups occasionally
		if (LK.ticks % 300 === 0) {
			spawnPowerUp();
		}
		// Spawn background elements
		backgroundTimer++;
		if (backgroundTimer >= 120) {
			spawnBackground();
			backgroundTimer = 0;
		}
		// Check obstacle collisions
		for (var i = obstacles.length - 1; i >= 0; i--) {
			var obstacle = obstacles[i];
			if (obstacle.x < -100) {
				obstacle.destroy();
				obstacles.splice(i, 1);
				continue;
			}
			if (rocket && rocket.intersects(obstacle)) {
				LK.showGameOver();
				return;
			}
		}
		// Check power-up collisions
		for (var i = powerUps.length - 1; i >= 0; i--) {
			var powerUp = powerUps[i];
			if (powerUp.x < -100) {
				powerUp.destroy();
				powerUps.splice(i, 1);
				continue;
			}
			if (rocket && rocket.intersects(powerUp)) {
				LK.setScore(LK.getScore() + 50);
				scoreText.setText('Score: ' + LK.getScore());
				LK.getSound('collect').play();
				powerUp.destroy();
				powerUps.splice(i, 1);
			}
		}
		// Clean up background elements
		for (var i = backgroundElements.length - 1; i >= 0; i--) {
			var bgElement = backgroundElements[i];
			if (bgElement.x < -200) {
				bgElement.destroy();
				backgroundElements.splice(i, 1);
			}
		}
		// Check if rocket went off screen
		if (rocket && rocket.x < -100) {
			LK.showGameOver();
		}
	}
};
// Initialize level selection on start
initLevelSelect();