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

/**** 
* Classes
****/ 
var FallingBall = Container.expand(function (colorIndex) {
	var self = Container.call(this);
	var ballColors = ['redBall', 'blueBall', 'greenBall', 'yellowBall', 'purpleBall', 'orangeBall'];
	var ballAssetNames = ballColors[colorIndex];
	var ballGraphics = self.attachAsset(ballAssetNames, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.colorIndex = colorIndex;
	self.speed = fallSpeed;
	self.tapped = false;
	self.down = function (x, y, obj) {
		if (self.tapped) return;
		self.tapped = true;
		if (self.colorIndex === targetColorIndex) {
			// Correct color tapped
			LK.setScore(LK.getScore() + 1);
			scoreText.setText(LK.getScore());
			LK.getSound('correctTap').play();
			// Flash effect
			LK.effects.flashObject(self, 0xffffff, 300);
			// Remove from array and destroy
			for (var i = fallingBalls.length - 1; i >= 0; i--) {
				if (fallingBalls[i] === self) {
					fallingBalls.splice(i, 1);
					break;
				}
			}
			self.destroy();
		} else {
			// Wrong color tapped - game over
			LK.getSound('wrongTap').play();
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	};
	self.update = function () {
		self.y += self.speed;
		// Check if ball reached bottom
		if (self.y > 2732 + 50) {
			// If this was the target color, game over
			if (self.colorIndex === targetColorIndex && !self.tapped) {
				LK.showGameOver();
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x001122
});

/**** 
* Game Code
****/ 
var fallingBalls = [];
var targetColorIndex = 0;
var fallSpeed = 3;
var spawnTimer = 0;
var spawnRate = 90; // Spawn every 90 ticks (1.5 seconds at 60fps)
var colorChangeTimer = 0;
var colorChangeRate = 600; // Change color every 10 seconds
var difficultyTimer = 0;
var ballColors = ['red', 'blue', 'green', 'yellow', 'purple', 'orange'];
var ballColorValues = [0xff0000, 0x0066ff, 0x00ff00, 0xffff00, 0x9900ff, 0xff6600];
// Create target color display
var targetColorDisplay = game.addChild(LK.getAsset('targetColorBox', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 150
}));
targetColorDisplay.tint = ballColorValues[targetColorIndex];
// Create target color text
var targetColorText = new Text2('Tap: ' + ballColors[targetColorIndex].toUpperCase(), {
	size: 48,
	fill: 0x000000
});
targetColorText.anchor.set(0.5, 0.5);
targetColorText.x = 2048 / 2;
targetColorText.y = 150;
game.addChild(targetColorText);
// Create score display
var scoreText = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
scoreText.y = 50;
function spawnRandomBall() {
	var randomColor = Math.floor(Math.random() * 6);
	var newBall = new FallingBall(randomColor);
	// Random x position
	newBall.x = Math.random() * (2048 - 100) + 50;
	newBall.y = -50;
	fallingBalls.push(newBall);
	game.addChild(newBall);
}
function changeTargetColor() {
	var oldColor = targetColorIndex;
	// Make sure we don't pick the same color
	do {
		targetColorIndex = Math.floor(Math.random() * 6);
	} while (targetColorIndex === oldColor);
	targetColorDisplay.tint = ballColorValues[targetColorIndex];
	targetColorText.setText('Tap: ' + ballColors[targetColorIndex].toUpperCase());
	// Flash effect on color change
	LK.effects.flashObject(targetColorDisplay, 0xffffff, 500);
}
game.update = function () {
	// Spawn balls
	spawnTimer++;
	if (spawnTimer >= spawnRate) {
		spawnRandomBall();
		spawnTimer = 0;
	}
	// Change target color periodically
	colorChangeTimer++;
	if (colorChangeTimer >= colorChangeRate) {
		changeTargetColor();
		colorChangeTimer = 0;
	}
	// Increase difficulty over time
	difficultyTimer++;
	if (difficultyTimer >= 1800) {
		// Every 30 seconds
		if (fallSpeed < 8) {
			fallSpeed += 0.5;
		}
		if (spawnRate > 30) {
			spawnRate -= 5;
		}
		difficultyTimer = 0;
	}
	// Clean up balls that have gone off screen
	for (var i = fallingBalls.length - 1; i >= 0; i--) {
		var ball = fallingBalls[i];
		if (ball.y > 2732 + 100) {
			ball.destroy();
			fallingBalls.splice(i, 1);
		}
	}
	// Update ball speeds
	for (var j = 0; j < fallingBalls.length; j++) {
		fallingBalls[j].speed = fallSpeed;
	}
};
// Initialize first target color change after 3 seconds
LK.setTimeout(function () {
	changeTargetColor();
}, 3000);