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

/**** 
* Classes
****/ 
var Collector = Container.expand(function () {
	var self = Container.call(this);
	var collectorGraphics = self.attachAsset('collector', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
var Raindrop = Container.expand(function () {
	var self = Container.call(this);
	var raindropGraphics = self.attachAsset('raindrop', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.lastY = undefined;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1E3A8A
});

/**** 
* Game Code
****/ 
// Create score display
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create missed raindrops display
var missedTxt = new Text2('Missed: 0/10', {
	size: 60,
	fill: 0xFF4444
});
missedTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(missedTxt);
// Create collector
var collector = game.addChild(new Collector());
collector.x = 2048 / 2;
collector.y = 2732 - 150;
// Track raindrops
var raindrops = [];
// Track missed raindrops
var missedRaindrops = 0;
// Dragging variables
var dragNode = null;
// Spawn timer
var spawnTimer = 0;
var spawnDelay = 45; // Spawn every 45 ticks (about 0.75 seconds at 60fps)
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		// Keep collector within screen bounds
		if (dragNode.x < 60) dragNode.x = 60;
		if (dragNode.x > 2048 - 60) dragNode.x = 2048 - 60;
	}
	;
	;
}
game.move = handleMove;
game.down = function (x, y, obj) {
	dragNode = collector;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.update = function () {
	// Spawn raindrops
	spawnTimer++;
	if (spawnTimer >= spawnDelay) {
		spawnTimer = 0;
		var newRaindrop = new Raindrop();
		newRaindrop.x = Math.random() * (2048 - 60) + 30;
		newRaindrop.y = -25;
		newRaindrop.lastY = newRaindrop.y;
		newRaindrop.lastCollected = false;
		raindrops.push(newRaindrop);
		game.addChild(newRaindrop);
	}
	// Update raindrops
	for (var i = raindrops.length - 1; i >= 0; i--) {
		var raindrop = raindrops[i];
		// Initialize tracking variables
		if (raindrop.lastY === undefined) raindrop.lastY = raindrop.y;
		if (raindrop.lastCollected === undefined) raindrop.lastCollected = false;
		// Check if raindrop went off screen
		if (raindrop.lastY < 2732 + 50 && raindrop.y >= 2732 + 50) {
			// Increment missed raindrops counter
			missedRaindrops++;
			missedTxt.setText('Missed: ' + missedRaindrops + '/10');
			// Check game over condition
			if (missedRaindrops >= 10) {
				LK.showGameOver();
			}
			raindrop.destroy();
			raindrops.splice(i, 1);
			continue;
		}
		// Check collision with collector
		var currentCollected = raindrop.intersects(collector);
		if (!raindrop.lastCollected && currentCollected) {
			// Raindrop just got collected
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore());
			// Play collect sound
			LK.getSound('collect').play();
			// Add a small tween effect
			tween(collector, {
				scaleX: 1.2,
				scaleY: 1.2
			}, {
				duration: 100,
				onFinish: function onFinish() {
					tween(collector, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 100
					});
				}
			});
			raindrop.destroy();
			raindrops.splice(i, 1);
			continue;
		}
		// Update last known states
		raindrop.lastY = raindrop.y;
		raindrop.lastCollected = currentCollected;
	}
};