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

/**** 
* Classes
****/ 
var Pango = Container.expand(function () {
	var self = Container.call(this);
	var pangoGraphics = self.attachAsset('pango', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.celebrate = function () {
		tween(self, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 200,
					easing: tween.easeIn
				});
			}
		});
	};
	self.update = function () {
		// Gentle floating animation
		self.y += Math.sin(LK.ticks * 0.05) * 0.5;
	};
	return self;
});
var Snowflake = Container.expand(function (day) {
	var self = Container.call(this);
	self.day = day;
	self.isOpen = false;
	self.chocolateCollected = false;
	// Create snowflake visual
	var snowflakeGraphics = self.attachAsset('snowflake', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Day number text
	var dayText = new Text2(day.toString(), {
		size: 36,
		fill: 0x003366
	});
	dayText.anchor.set(0.5, 0.5);
	self.addChild(dayText);
	// Chocolate ball (initially hidden)
	var chocolateBall = self.attachAsset('chocolateBall', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	chocolateBall.y = 40;
	self.open = function () {
		if (self.isOpen) return;
		self.isOpen = true;
		// Change appearance to opened state
		self.removeChild(snowflakeGraphics);
		var openedGraphics = self.attachAsset('snowflakeOpen', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Show chocolate ball
		tween(chocolateBall, {
			alpha: 1
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		// Play sound
		LK.getSound('snowflakeOpen').play();
		// Add to opened snowflakes count
		openedSnowflakes++;
		updateProgress();
		// Save progress
		saveProgress();
	};
	self.collectChocolate = function () {
		if (self.chocolateCollected || !self.isOpen) return;
		self.chocolateCollected = true;
		chocolateCount++;
		// Animate chocolate collection
		tween(chocolateBall, {
			scaleX: 0.1,
			scaleY: 0.1,
			alpha: 0
		}, {
			duration: 300,
			easing: tween.easeIn
		});
		LK.getSound('collectChocolate').play();
		updateChocolateDisplay();
		saveProgress();
	};
	self.canOpen = function () {
		// Sequential unlocking: can only open if previous day is opened or if it's day 1
		if (self.day === 1) return true;
		var prevSnowflake = snowflakes[self.day - 2];
		return prevSnowflake && prevSnowflake.isOpen;
	};
	self.down = function (x, y, obj) {
		if (self.canOpen()) {
			if (!self.isOpen) {
				self.open();
			} else if (!self.chocolateCollected) {
				self.collectChocolate();
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x001a33
});

/**** 
* Game Code
****/ 
var snowflakes = [];
var openedSnowflakes = 0;
var chocolateCount = 0;
var pango;
// Load progress from storage
var gameProgress = storage.gameProgress || {
	openedDays: [],
	collectedChocolates: [],
	totalChocolates: 0
};
// UI Elements
var titleText = new Text2('Pango\'s Advent Calendar', {
	size: 72,
	fill: 0xFFFFFF
});
titleText.anchor.set(0.5, 0);
LK.gui.top.addChild(titleText);
titleText.y = 50;
var progressText = new Text2('Opened: 0/24', {
	size: 48,
	fill: 0xFFFFFF
});
progressText.anchor.set(0, 0);
LK.gui.topLeft.addChild(progressText);
progressText.x = 120;
progressText.y = 20;
var chocolateText = new Text2('Chocolates: 0', {
	size: 48,
	fill: 0x8B4513
});
chocolateText.anchor.set(1, 0);
LK.gui.topRight.addChild(chocolateText);
chocolateText.x = -20;
chocolateText.y = 20;
// Create Pango character
pango = game.addChild(new Pango());
pango.x = 1024;
pango.y = 500;
// Create snowflakes in advent calendar layout
var startX = 200;
var startY = 600;
var cols = 6;
var rows = 4;
var spacingX = 280;
var spacingY = 350;
for (var i = 0; i < 24; i++) {
	var day = i + 1;
	var snowflake = new Snowflake(day);
	var col = i % cols;
	var row = Math.floor(i / cols);
	snowflake.x = startX + col * spacingX;
	snowflake.y = startY + row * spacingY;
	// Load saved progress
	if (gameProgress.openedDays.indexOf(day) !== -1) {
		snowflake.open();
	}
	if (gameProgress.collectedChocolates.indexOf(day) !== -1) {
		snowflake.collectChocolate();
	}
	snowflakes.push(snowflake);
	game.addChild(snowflake);
}
// Initialize counters from saved data
openedSnowflakes = gameProgress.openedDays.length;
chocolateCount = gameProgress.totalChocolates;
function updateProgress() {
	progressText.setText('Opened: ' + openedSnowflakes + '/24');
	if (openedSnowflakes === 24) {
		// All snowflakes opened!
		var completionText = new Text2('All Days Unlocked!', {
			size: 60,
			fill: 0x00FF00
		});
		completionText.anchor.set(0.5, 0.5);
		completionText.x = 1024;
		completionText.y = 400;
		game.addChild(completionText);
		pango.celebrate();
	}
}
function updateChocolateDisplay() {
	chocolateText.setText('Chocolates: ' + chocolateCount);
}
function saveProgress() {
	var openedDays = [];
	var collectedChocolates = [];
	for (var i = 0; i < snowflakes.length; i++) {
		var snowflake = snowflakes[i];
		if (snowflake.isOpen) {
			openedDays.push(snowflake.day);
		}
		if (snowflake.chocolateCollected) {
			collectedChocolates.push(snowflake.day);
		}
	}
	storage.gameProgress = {
		openedDays: openedDays,
		collectedChocolates: collectedChocolates,
		totalChocolates: chocolateCount
	};
}
// Initialize display
updateProgress();
updateChocolateDisplay();
// Start holiday music
LK.playMusic('holidayMusic');
// Snow particle effect
var snowParticles = [];
var maxSnowParticles = 50;
function createSnowParticle() {
	var particle = LK.getAsset('snowflake', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.2,
		scaleY: 0.2,
		alpha: 0.7
	});
	particle.x = Math.random() * 2048;
	particle.y = -50;
	particle.speed = Math.random() * 3 + 1;
	particle.drift = Math.random() * 2 - 1;
	return particle;
}
game.update = function () {
	// Create new snow particles
	if (snowParticles.length < maxSnowParticles && Math.random() < 0.3) {
		var particle = createSnowParticle();
		snowParticles.push(particle);
		game.addChild(particle);
	}
	// Update snow particles
	for (var i = snowParticles.length - 1; i >= 0; i--) {
		var particle = snowParticles[i];
		particle.y += particle.speed;
		particle.x += particle.drift;
		// Remove particles that are off screen
		if (particle.y > 2800) {
			particle.destroy();
			snowParticles.splice(i, 1);
		}
	}
	// Visual feedback for locked snowflakes
	for (var j = 0; j < snowflakes.length; j++) {
		var snowflake = snowflakes[j];
		if (!snowflake.isOpen && !snowflake.canOpen()) {
			snowflake.alpha = 0.5;
		} else if (!snowflake.isOpen) {
			snowflake.alpha = 1;
			// Gentle glow effect for available snowflakes
			snowflake.alpha = 0.8 + Math.sin(LK.ticks * 0.1) * 0.2;
		}
	}
};