/**** 
* Classes
****/ 
//var tween = LK.import("@upit/tween.v1");
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyAsset = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = enemyAsset.width / 2;
	self.speedY = 14 + Math.random() * 10; // Random fall speed
	// Set initial position
	self.x = 150 + Math.random() * (2048 - 300);
	self.y = -enemyAsset.height / 2;
	self.update = function () {
		self.y += self.speedY;
	};
	return self;
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerAsset = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = playerAsset.width / 2;
	self.groundY = 2400; // Y position of the ground (bottom margin)
	// Set initial position
	self.x = 2048 / 2;
	self.y = self.groundY;
	// Call every frame
	self.update = function () {
		// No jump or gravity, player stays on ground
	};
	// Move left by a fixed amount, clamp to screen
	self.moveLeft = function () {
		self.x -= 180;
		if (self.x < self.radius + 20) self.x = self.radius + 20;
	};
	// Move right by a fixed amount, clamp to screen
	self.moveRight = function () {
		self.x += 180;
		if (self.x > 2048 - self.radius - 20) self.x = 2048 - self.radius - 20;
	};
	return self;
});
// Star class
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starAsset = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = starAsset.width / 2;
	self.speedY = 12 + Math.random() * 8; // Random fall speed
	// Set initial position
	self.x = 150 + Math.random() * (2048 - 300);
	self.y = -starAsset.height / 2;
	self.update = function () {
		self.y += self.speedY;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x888888
});

/**** 
* Game Code
****/ 
// Enemy: red box
// Star: smaller white ellipse
// Player character: yellow ellipse (star jumper)
// Score display (top left, avoid 100x100 area)
var scoreTxt = new Text2('0', {
	size: 110,
	fill: 0xFFF700
});
scoreTxt.anchor.set(0, 0); // Top left
scoreTxt.x = 120; // Leave margin for menu
scoreTxt.y = 40;
LK.gui.top.addChild(scoreTxt);
// Player instance
var player = new Player();
game.addChild(player);
// Add 'Left' and 'Right' text labels
var leftLabel = new Text2('Left', {
	size: 100,
	fill: 0xffffff
});
leftLabel.anchor.set(0.5, 1);
leftLabel.x = 2048 * 0.18;
leftLabel.y = 2732 - 80;
game.addChild(leftLabel);
var rightLabel = new Text2('Right', {
	size: 100,
	fill: 0xffffff
});
rightLabel.anchor.set(0.5, 1);
rightLabel.x = 2048 * 0.82;
rightLabel.y = 2732 - 80;
game.addChild(rightLabel);
// Arrays for stars and enemies
var stars = [];
var enemies = [];
// Timers for spawning
var starSpawnTimer = 0;
var enemySpawnTimer = 0;
// Helper: spawn a star
function spawnStar() {
	var star = new Star();
	stars.push(star);
	game.addChild(star);
}
// Helper: spawn an enemy
function spawnEnemy() {
	// Spawn two enemies
	for (var i = 0; i < 2; i++) {
		var enemy = new Enemy();
		enemies.push(enemy);
		game.addChild(enemy);
	}
}
// Tap left/right screen to move player
game.down = function (x, y, obj) {
	if (x < 2048 / 2) {
		player.moveLeft();
	} else {
		player.moveRight();
	}
};
// Main update loop
game.update = function () {
	// Update player
	player.update();
	// Spawn stars
	starSpawnTimer--;
	if (starSpawnTimer <= 0) {
		spawnStar();
		starSpawnTimer = 36 + Math.floor(Math.random() * 24); // 0.6-1.0s at 60fps
	}
	// Spawn enemies
	enemySpawnTimer--;
	if (enemySpawnTimer <= 0) {
		spawnEnemy();
		enemySpawnTimer = 60 + Math.floor(Math.random() * 40); // 1.0-1.7s at 60fps
	}
	// Update and check stars
	for (var i = stars.length - 1; i >= 0; i--) {
		var star = stars[i];
		star.update();
		// Off screen
		if (star.y - star.radius > 2732) {
			star.destroy();
			stars.splice(i, 1);
			continue;
		}
		// Collision with player
		if (player.intersects(star)) {
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore());
			star.destroy();
			stars.splice(i, 1);
			continue;
		}
	}
	// Update and check enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		var enemy = enemies[j];
		enemy.update();
		// Off screen
		if (enemy.y - enemy.radius > 2732) {
			enemy.destroy();
			enemies.splice(j, 1);
			continue;
		}
		// Collision with player
		if (player.intersects(enemy)) {
			if (player.extraLife && player.extraLife > 0) {
				player.extraLife--;
				LK.effects.flashScreen(0x00ff00, 600);
				// Remove enemy and continue
				enemy.destroy();
				enemies.splice(j, 1);
				continue;
			} else {
				LK.effects.flashScreen(0xff0000, 800);
				LK.showGameOver();
				return;
			}
		}
	}
};
// Set initial score
LK.setScore(0);
scoreTxt.setText('0');