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

/**** 
* Classes
****/ 
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.health = 1;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var MenuButton = Container.expand(function (text, color) {
	var self = Container.call(this);
	// Create button background
	var buttonBg = self.attachAsset('menuButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create button text
	var buttonText = new Text2(text, {
		size: 80,
		fill: 0xFFFFFF
	});
	buttonText.anchor.set(0.5, 0.5);
	self.addChild(buttonText);
	// Button press handling
	self.down = function (x, y, obj) {
		buttonBg.tint = 0xcccccc; // Darken on press
		if (self.onPress) {
			self.onPress();
		}
	};
	self.up = function (x, y, obj) {
		buttonBg.tint = 0xffffff; // Return to normal
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.fireRate = 10;
	self.lastFireTick = 0;
	self.rapidFireTimer = 0;
	self.shieldTimer = 0;
	self.update = function () {
		// Auto-fire logic
		var currentFireRate = self.rapidFireTimer > 0 ? 5 : self.fireRate;
		if (LK.ticks - self.lastFireTick >= currentFireRate) {
			self.fire();
			self.lastFireTick = LK.ticks;
		}
		// Update power-up timers
		if (self.rapidFireTimer > 0) {
			self.rapidFireTimer--;
			graphics.tint = 0xffaa00; // Orange tint for rapid fire
		} else {
			graphics.tint = 0xffffff; // Normal color
		}
		if (self.shieldTimer > 0) {
			self.shieldTimer--;
			graphics.alpha = 0.7 + 0.3 * Math.sin(LK.ticks * 0.3); // Pulsing shield effect
		} else {
			graphics.alpha = 1.0;
		}
	};
	self.fire = function () {
		var bullet = new PlayerBullet();
		bullet.x = self.x;
		bullet.y = self.y - 50;
		playerBullets.push(bullet);
		game.addChild(bullet);
		LK.getSound('shoot').play();
	};
	self.activatePowerUp = function (type) {
		if (type === 'rapidfire') {
			self.rapidFireTimer = 300; // 5 seconds at 60fps
		} else if (type === 'shield') {
			self.shieldTimer = 600; // 10 seconds at 60fps
		}
	};
	return self;
});
var PlayerBullet = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('playerBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -12;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('powerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.type = 'rapidfire'; // rapidfire, shield
	self.update = function () {
		self.y += self.speed;
		// Gentle floating animation
		graphics.rotation += 0.02;
	};
	return self;
});
var TutorialPanel = Container.expand(function () {
	var self = Container.call(this);
	// Semi-transparent background
	var bg = self.attachAsset('tutorialBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Tutorial text
	var tutorialText = new Text2('HOW TO PLAY\n\n• Drag your ship to move\n• Avoid red enemies\n• Collect green power-ups\n• Survive as long as possible\n\nPOWER-UPS:\n• Orange: Rapid Fire (5s)\n• Pulsing: Shield (10s)', {
		size: 60,
		fill: 0xFFFFFF
	});
	tutorialText.anchor.set(0.5, 0.5);
	tutorialText.y = -100;
	self.addChild(tutorialText);
	// Close button
	var closeButton = new MenuButton('CLOSE', 0x666666);
	closeButton.y = 400;
	closeButton.onPress = function () {
		currentMenuState = 'main';
		setupMainMenu();
	};
	self.addChild(closeButton);
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000011
});

/**** 
* Game Code
****/ 
// Menu state variables
var currentMenuState = 'main'; // 'main', 'tutorial', 'playing'
var menuContainer;
var tutorialContainer;
// Game variables
var player;
var enemies = [];
var playerBullets = [];
var powerUps = [];
var dragNode = null;
var gameSpeed = 1;
var enemySpawnRate = 60;
var powerUpSpawnRate = 900;
var difficultyTimer = 0;
// Menu setup functions
function setupMainMenu() {
	// Clear existing menu
	if (menuContainer) {
		menuContainer.destroy();
	}
	if (tutorialContainer) {
		tutorialContainer.destroy();
	}
	// Create main menu
	menuContainer = game.addChild(new Container());
	// Title
	var titleText = new Text2('STELLAR DRAGSHOT', {
		size: 120,
		fill: 0xFFFF00
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 1024;
	titleText.y = 800;
	menuContainer.addChild(titleText);
	// Play button
	var playButton = new MenuButton('PLAY', 0x00ff00);
	playButton.x = 1024;
	playButton.y = 1200;
	playButton.onPress = function () {
		startGame();
	};
	menuContainer.addChild(playButton);
	// Tutorial button
	var tutorialButton = new MenuButton('TUTORIAL', 0x0088ff);
	tutorialButton.x = 1024;
	tutorialButton.y = 1400;
	tutorialButton.onPress = function () {
		currentMenuState = 'tutorial';
		setupTutorial();
	};
	menuContainer.addChild(tutorialButton);
}
function setupTutorial() {
	// Clear existing menu
	if (menuContainer) {
		menuContainer.destroy();
	}
	// Create tutorial panel
	tutorialContainer = game.addChild(new TutorialPanel());
	tutorialContainer.x = 1024;
	tutorialContainer.y = 1366;
}
function startGame() {
	currentMenuState = 'playing';
	// Clear menu
	if (menuContainer) {
		menuContainer.destroy();
	}
	if (tutorialContainer) {
		tutorialContainer.destroy();
	}
	// Reset game variables
	gameSpeed = 1;
	enemySpawnRate = 60;
	powerUpSpawnRate = 900;
	difficultyTimer = 0;
	LK.setScore(0);
	// Clear arrays
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].destroy();
	}
	for (var i = playerBullets.length - 1; i >= 0; i--) {
		playerBullets[i].destroy();
	}
	for (var i = powerUps.length - 1; i >= 0; i--) {
		powerUps[i].destroy();
	}
	enemies = [];
	playerBullets = [];
	powerUps = [];
	// Initialize player
	if (player) {
		player.destroy();
	}
	player = game.addChild(new Player());
	player.x = 1024;
	player.y = 2200;
	// Start background music
	LK.playMusic('background');
}
// Create UI (initially hidden)
var scoreTxt = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
scoreTxt.visible = false;
LK.gui.top.addChild(scoreTxt);
var survivalTimeTxt = new Text2('Time: 0s', {
	size: 60,
	fill: 0xFFFFFF
});
survivalTimeTxt.anchor.set(1, 0);
survivalTimeTxt.x = -20;
survivalTimeTxt.y = 20;
survivalTimeTxt.visible = false;
LK.gui.topRight.addChild(survivalTimeTxt);
// Start with main menu
setupMainMenu();
// Movement handling
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = Math.max(50, Math.min(1998, x));
		dragNode.y = Math.max(100, Math.min(2600, y));
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	dragNode = player;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragNode = null;
};
// Spawn functions
function spawnEnemy() {
	var enemy = new Enemy();
	enemy.x = Math.random() * 1900 + 74;
	enemy.y = -30;
	enemy.speed = 2 + Math.random() * 3 + gameSpeed;
	enemies.push(enemy);
	game.addChild(enemy);
}
function spawnPowerUp() {
	var powerup = new PowerUp();
	powerup.x = Math.random() * 1900 + 74;
	powerup.y = -30;
	powerup.type = Math.random() < 0.5 ? 'rapidfire' : 'shield';
	powerUps.push(powerup);
	game.addChild(powerup);
}
// Main game update
game.update = function () {
	// Only run game logic when playing
	if (currentMenuState !== 'playing') {
		return;
	}
	// Show UI during gameplay
	scoreTxt.visible = true;
	survivalTimeTxt.visible = true;
	// Update survival time
	var survivalTime = Math.floor(LK.ticks / 60);
	survivalTimeTxt.setText('Time: ' + survivalTime + 's');
	// Difficulty progression
	difficultyTimer++;
	if (difficultyTimer % 600 === 0) {
		// Every 10 seconds
		gameSpeed += 0.5;
		enemySpawnRate = Math.max(20, enemySpawnRate - 3);
	}
	// Spawn enemies
	if (LK.ticks % enemySpawnRate === 0) {
		spawnEnemy();
	}
	// Spawn power-ups
	if (LK.ticks % powerUpSpawnRate === 0) {
		spawnPowerUp();
	}
	// Update and manage player bullets
	for (var i = playerBullets.length - 1; i >= 0; i--) {
		var bullet = playerBullets[i];
		if (bullet.lastY === undefined) bullet.lastY = bullet.y;
		// Remove bullets that go off screen
		if (bullet.lastY >= -25 && bullet.y < -25) {
			bullet.destroy();
			playerBullets.splice(i, 1);
			continue;
		}
		// Check bullet-enemy collisions
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (bullet.intersects(enemy)) {
				// Hit enemy
				LK.setScore(LK.getScore() + 10);
				scoreTxt.setText(LK.getScore());
				LK.getSound('hit').play();
				// Remove bullet and enemy
				bullet.destroy();
				playerBullets.splice(i, 1);
				enemy.destroy();
				enemies.splice(j, 1);
				break;
			}
		}
		bullet.lastY = bullet.y;
	}
	// Update and manage enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		if (enemy.lastY === undefined) enemy.lastY = enemy.y;
		if (enemy.lastIntersecting === undefined) enemy.lastIntersecting = false;
		// Remove enemies that go off screen
		if (enemy.lastY <= 2762 && enemy.y > 2762) {
			enemy.destroy();
			enemies.splice(i, 1);
			continue;
		}
		// Check player-enemy collision
		var currentIntersecting = enemy.intersects(player);
		if (!enemy.lastIntersecting && currentIntersecting) {
			// Check if player has shield
			if (player.shieldTimer > 0) {
				// Shield absorbs hit
				player.shieldTimer = 0;
				LK.setScore(LK.getScore() + 5);
				scoreTxt.setText(LK.getScore());
				enemy.destroy();
				enemies.splice(i, 1);
				continue;
			} else {
				// Game over
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
				return;
			}
		}
		enemy.lastY = enemy.y;
		enemy.lastIntersecting = currentIntersecting;
	}
	// Update and manage power-ups
	for (var i = powerUps.length - 1; i >= 0; i--) {
		var powerup = powerUps[i];
		if (powerup.lastY === undefined) powerup.lastY = powerup.y;
		if (powerup.lastIntersecting === undefined) powerup.lastIntersecting = false;
		// Remove power-ups that go off screen
		if (powerup.lastY <= 2762 && powerup.y > 2762) {
			powerup.destroy();
			powerUps.splice(i, 1);
			continue;
		}
		// Check player-powerup collision
		var currentIntersecting = powerup.intersects(player);
		if (!powerup.lastIntersecting && currentIntersecting) {
			// Collect power-up
			player.activatePowerUp(powerup.type);
			LK.getSound('powerup').play();
			LK.setScore(LK.getScore() + 25);
			scoreTxt.setText(LK.getScore());
			powerup.destroy();
			powerUps.splice(i, 1);
			continue;
		}
		powerup.lastY = powerup.y;
		powerup.lastIntersecting = currentIntersecting;
	}
};