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

/**** 
* Classes
****/ 
var Bomb = Container.expand(function () {
	var self = Container.call(this);
	self.speed = 2 + Math.random() * 3;
	var graphics = self.attachAsset('bomb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += self.speed;
	};
	self.down = function (x, y, obj) {
		// Hit a bomb - lose a life
		lives--;
		var heartsDisplay = '';
		for (var h = 0; h < lives; h++) {
			heartsDisplay += '♥ ';
		}
		livesText.setText(heartsDisplay.trim());
		LK.getSound('bombHit').play();
		LK.getSound('bombSound').play();
		// Flash screen red
		LK.effects.flashScreen(0xff0000, 500);
		// Check game over
		if (lives <= 0) {
			LK.showGameOver();
		}
		// Remove bomb
		self.destroy();
		var index = fallingItems.indexOf(self);
		if (index > -1) {
			fallingItems.splice(index, 1);
		}
	};
	return self;
});
var FoodItem = Container.expand(function (foodType) {
	var self = Container.call(this);
	self.foodType = foodType;
	self.speed = 3 + Math.random() * 2;
	self.points = 5;
	var graphics = self.attachAsset(foodType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += self.speed;
	};
	self.down = function (x, y, obj) {
		// Catch the food
		LK.setScore(LK.getScore() + self.points);
		scoreTxt.setText(LK.getScore());
		LK.getSound('catchFood').play();
		// Visual feedback
		tween(self, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 0
		}, {
			duration: 200,
			onFinish: function onFinish() {
				self.destroy();
				var index = fallingItems.indexOf(self);
				if (index > -1) {
					fallingItems.splice(index, 1);
				}
			}
		});
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var fallingItems = [];
var lives = 3;
var spawnTimer = 0;
var difficultyTimer = 0;
var spawnRate = 90; // Frames between spawns
var foodTypes = ['apple', 'banana', 'orange'];
// Create score display
var scoreTxt = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create lives display with hearts
var livesText = new Text2('♥ ♥ ♥', {
	size: 60,
	fill: 0xFF0000
});
livesText.anchor.set(1, 0);
livesText.x = -20;
livesText.y = 20;
LK.gui.topRight.addChild(livesText);
function spawnItem() {
	var item;
	var x = 100 + Math.random() * (2048 - 200);
	// 70% chance for food, 30% chance for bomb
	if (Math.random() < 0.7) {
		var foodType = foodTypes[Math.floor(Math.random() * foodTypes.length)];
		item = new FoodItem(foodType);
	} else {
		item = new Bomb();
	}
	;
	item.x = x;
	item.y = -50;
	item.lastY = item.y;
	fallingItems.push(item);
	game.addChild(item);
}
game.update = function () {
	// Spawn items
	spawnTimer++;
	if (spawnTimer >= spawnRate) {
		spawnItem();
		spawnTimer = 0;
	}
	// Increase difficulty over time
	difficultyTimer++;
	if (difficultyTimer >= 600 && spawnRate > 30) {
		// Every 10 seconds
		spawnRate -= 2;
		difficultyTimer = 0;
	}
	// Update and check falling items
	for (var i = fallingItems.length - 1; i >= 0; i--) {
		var item = fallingItems[i];
		// Remove items that fall off screen
		if (item.lastY <= 2732 + 50 && item.y > 2732 + 50) {
			item.destroy();
			fallingItems.splice(i, 1);
			continue;
		}
		item.lastY = item.y;
	}
	// Update score display
	scoreTxt.setText(LK.getScore());
};