/**** 
* Classes
****/ 
var Basket = Container.expand(function (color) {
	var self = Container.call(this);
	self.color = color;
	self.isDragging = false;
	var basketGraphics = self.attachAsset(color + 'Basket', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.down = function (x, y, obj) {
		self.isDragging = true;
		draggedBasket = self;
	};
	self.up = function (x, y, obj) {
		self.isDragging = false;
		if (draggedBasket === self) {
			draggedBasket = null;
		}
	};
	return self;
});
// Game variables
var Orb = Container.expand(function (color) {
	var self = Container.call(this);
	self.color = color;
	self.speed = 3 + Math.random() * 2; // Random fall speed
	var orbGraphics = self.attachAsset(color + 'Orb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.lastY === undefined) self.lastY = self.y;
		self.y += self.speed;
		// Check if orb hit the ground
		if (self.lastY < 2650 && self.y >= 2650) {
			// Missed - lose health
			health--;
			LK.getSound('miss').play();
			self.destroy();
			// Remove from orbs array
			for (var i = orbs.length - 1; i >= 0; i--) {
				if (orbs[i] === self) {
					orbs.splice(i, 1);
					break;
				}
			}
		}
		self.lastY = self.y;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Sound effects
// Colored baskets
// Colored orbs
// Game variables
var score = 0;
var health = 5;
var gameSpeed = 1;
var colors = ['red', 'blue', 'green'];
var orbs = [];
var baskets = [];
var draggedBasket = null;
var orbSpawnTimer = 0;
var orbSpawnDelay = 90; // frames between orb spawns
// UI Elements
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var healthText = new Text2('Health: 5', {
	size: 60,
	fill: 0xFF4444
});
healthText.anchor.set(0.5, 0);
healthText.y = 80;
LK.gui.top.addChild(healthText);
// Tutorial system
var showTutorial = true;
var tutorialStep = 0;
var tutorialTimer = 0;
var tutorialTexts = [];
// Create tutorial overlay
var tutorialOverlay = LK.getAsset('tutorialOverlay', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0
});
tutorialOverlay.x = 1024;
tutorialOverlay.y = 1366;
// Tutorial text content
var tutorialMessages = ["Welcome to Color Cascade!", "Drag baskets to catch falling orbs", "Match orb colors with basket colors", "Correct catches = +10 points", "Wrong colors or misses = -1 health", "Reach 500 points to win!", "Tap anywhere to start playing"];
// Create tutorial text elements
for (var t = 0; t < tutorialMessages.length; t++) {
	var tutorialText = new Text2(tutorialMessages[t], {
		size: 80,
		fill: 0xFFFFFF
	});
	tutorialText.anchor.set(0.5, 0.5);
	tutorialText.x = 1024;
	tutorialText.y = 1366 + (t - 3) * 100;
	tutorialText.alpha = 0;
	tutorialTexts.push(tutorialText);
}
// Add tutorial elements to game
if (showTutorial) {
	game.addChild(tutorialOverlay);
	for (var t = 0; t < tutorialTexts.length; t++) {
		game.addChild(tutorialTexts[t]);
	}
}
// Create baskets
for (var i = 0; i < colors.length; i++) {
	var basket = new Basket(colors[i]);
	basket.x = 400 + i * 400;
	basket.y = 2600;
	baskets.push(basket);
	game.addChild(basket);
}
// Mouse/touch handlers
game.down = function (x, y, obj) {
	// Dismiss tutorial on any touch
	if (showTutorial) {
		showTutorial = false;
		// Remove tutorial elements
		tutorialOverlay.destroy();
		for (var t = 0; t < tutorialTexts.length; t++) {
			tutorialTexts[t].destroy();
		}
		tutorialTexts = [];
		return;
	}
};
game.move = function (x, y, obj) {
	if (draggedBasket) {
		draggedBasket.x = Math.max(60, Math.min(1988, x));
	}
};
game.up = function (x, y, obj) {
	draggedBasket = null;
	for (var i = 0; i < baskets.length; i++) {
		baskets[i].isDragging = false;
	}
};
// Main game update loop
game.update = function () {
	// Handle tutorial display
	if (showTutorial) {
		tutorialTimer++;
		// Show tutorial steps with timing
		if (tutorialTimer < 60) {
			// Fade in overlay
			tutorialOverlay.alpha = Math.min(0.8, tutorialTimer / 60 * 0.8);
		} else if (tutorialTimer < 420) {
			// Show tutorial steps every 60 frames
			var currentStep = Math.floor((tutorialTimer - 60) / 60);
			if (currentStep < tutorialTexts.length) {
				tutorialTexts[currentStep].alpha = 1;
				tutorialStep = currentStep;
			}
		}
		return; // Don't run game logic during tutorial
	}
	// Check for game over
	if (health <= 0) {
		LK.showGameOver();
		return;
	}
	// Check for win condition
	if (score >= 500) {
		LK.showYouWin();
		return;
	}
	// Spawn orbs
	orbSpawnTimer++;
	if (orbSpawnTimer >= orbSpawnDelay / gameSpeed) {
		orbSpawnTimer = 0;
		var randomColor = colors[Math.floor(Math.random() * colors.length)];
		var newOrb = new Orb(randomColor);
		newOrb.x = 100 + Math.random() * 1848;
		newOrb.y = -50;
		newOrb.lastIntersecting = [];
		// Initialize intersection tracking for each basket
		for (var b = 0; b < baskets.length; b++) {
			newOrb.lastIntersecting[b] = false;
		}
		orbs.push(newOrb);
		game.addChild(newOrb);
	}
	// Check orb-basket collisions
	for (var i = orbs.length - 1; i >= 0; i--) {
		var orb = orbs[i];
		var orbCaught = false;
		for (var j = 0; j < baskets.length; j++) {
			var basket = baskets[j];
			var currentIntersecting = orb.intersects(basket);
			if (!orb.lastIntersecting[j] && currentIntersecting) {
				// Collision just happened
				if (orb.color === basket.color) {
					// Correct catch
					score += 10;
					LK.getSound('catch').play();
					LK.setScore(score);
				} else {
					// Wrong color
					health--;
					LK.getSound('shatter').play();
					LK.effects.flashObject(orb, 0xff0000, 300);
				}
				orb.destroy();
				orbs.splice(i, 1);
				orbCaught = true;
				break;
			}
			orb.lastIntersecting[j] = currentIntersecting;
		}
		if (orbCaught) continue;
		// Remove orbs that are off screen
		if (orb.y > 2800) {
			orb.destroy();
			orbs.splice(i, 1);
		}
	}
	// Update UI
	scoreText.setText('Score: ' + score);
	healthText.setText('Health: ' + health);
	// Increase difficulty
	if (score >= 100 && colors.length === 3) {
		colors.push('yellow');
		// Add yellow basket
		var yellowBasket = new Basket('yellow');
		yellowBasket.x = 400 + 3 * 400;
		yellowBasket.y = 2600;
		baskets.push(yellowBasket);
		game.addChild(yellowBasket);
	}
	if (score >= 200 && colors.length === 4) {
		colors.push('purple');
		// Add purple basket
		var purpleBasket = new Basket('purple');
		purpleBasket.x = 400 + 4 * 400;
		purpleBasket.y = 2600;
		baskets.push(purpleBasket);
		game.addChild(purpleBasket);
	}
	// Increase game speed every 50 points
	gameSpeed = 1 + Math.floor(score / 50) * 0.2;
	orbSpawnDelay = Math.max(30, 90 - Math.floor(score / 50) * 10);
};