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

/**** 
* Classes
****/ 
var FallingItem = Container.expand(function (itemType) {
	var self = Container.call(this);
	self.itemType = itemType || 'common';
	self.fallSpeed = 5.4553125 * 1.5;
	var assetName = 'commonItem';
	self.points = 15;
	if (self.itemType === 'rare') {
		assetName = 'rareItem';
		self.points = 75;
	} else if (self.itemType === 'bomb') {
		assetName = 'bomb';
		self.points = 0;
	}
	var itemGraphics = self.attachAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += self.fallSpeed;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x4A90E2
});

/**** 
* Game Code
****/ 
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 50;
var fallingItems = [];
var dragNode = null;
var gameSpeed = 1;
var itemSpawnRate = 29; // Reduced by 50% from 58 to increase spawn rate
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.y = 100;
// Start relaxing background music
LK.playMusic('bgmusic');
// Create background flying objects
var backgroundObjects = [];
function createBird() {
	var bird = new Text2('🐦', {
		size: 60,
		fill: 0x8B4513
	});
	bird.x = -100;
	bird.y = Math.random() * 1000 + 200;
	bird.anchor.set(0.5, 0.5);
	backgroundObjects.push({
		object: bird,
		type: 'bird',
		speed: 1 + Math.random() * 2
	});
	game.addChild(bird);
}
function createCloud() {
	var cloud = new Text2('☁️', {
		size: 80 + Math.random() * 40,
		fill: 0xFFFFFF
	});
	cloud.x = -150;
	cloud.y = Math.random() * 800 + 100;
	cloud.anchor.set(0.5, 0.5);
	cloud.alpha = 0.7 + Math.random() * 0.3;
	backgroundObjects.push({
		object: cloud,
		type: 'cloud',
		speed: 0.3 + Math.random() * 0.7
	});
	game.addChild(cloud);
}
// Initial background objects
createBird();
createCloud();
// Create sun/moon object
var celestialBody = new Text2('☀️', {
	size: 120,
	fill: 0xFFD700
});
celestialBody.x = 200;
celestialBody.y = 150;
celestialBody.anchor.set(0.5, 0.5);
celestialBody.isDay = true;
game.addChild(celestialBody);
function spawnItem() {
	var itemType = 'common';
	var rand = Math.random();
	if (rand < 0.25) {
		itemType = 'bomb';
	} else if (rand < 0.35) {
		itemType = 'rare';
	}
	var newItem = new FallingItem(itemType);
	// Spread items across entire width with better distribution
	newItem.x = Math.random() * 2048;
	newItem.y = -50 - Math.random() * 100; // Vary starting Y position for better spread
	newItem.fallSpeed = (5.4553125 + gameSpeed * 0.5) * 1.5;
	newItem.lastY = newItem.y;
	newItem.lastIntersecting = false;
	fallingItems.push(newItem);
	game.addChild(newItem);
}
function handleMove(x, y, obj) {
	player.x = x;
	if (player.x < 60) player.x = 60;
	if (player.x > 2048 - 60) player.x = 2048 - 60;
}
game.move = handleMove;
game.down = function (x, y, obj) {
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {};
game.update = function () {
	// Set background color based on day/night cycle
	if (celestialBody.isDay) {
		// Bright blue sky during day
		game.setBackgroundColor(0x87CEEB);
	} else {
		// Dark night sky
		game.setBackgroundColor(0x191970);
	}
	// Spawn items
	if (LK.ticks % Math.max(30, itemSpawnRate - Math.floor(gameSpeed * 10)) == 0) {
		spawnItem();
	}
	// Increase game speed gradually
	if (LK.ticks % 600 == 0) {
		gameSpeed += 0.2;
	}
	// Update celestial body (sun/moon transition)
	var dayDuration = 1800; // 30 seconds at 60fps
	var timePhase = LK.ticks % dayDuration / dayDuration;
	if (timePhase < 0.5 && !celestialBody.isDay) {
		// Transition to day
		celestialBody.setText('☀️');
		celestialBody.tint = 0xFFD700;
		celestialBody.isDay = true;
		tween(celestialBody, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 1000,
			easing: tween.easeInOut
		});
	} else if (timePhase >= 0.5 && celestialBody.isDay) {
		// Transition to night
		celestialBody.setText('🌙');
		celestialBody.tint = 0xC0C0C0;
		celestialBody.isDay = false;
		tween(celestialBody, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 1000,
			easing: tween.easeInOut
		});
	}
	// Update background objects
	for (var j = backgroundObjects.length - 1; j >= 0; j--) {
		var bgObj = backgroundObjects[j];
		if (bgObj.type === 'bird') {
			bgObj.object.x += bgObj.speed;
			// Add slight vertical movement for birds
			bgObj.object.y += Math.sin(LK.ticks * 0.02 + j) * 0.5;
			// Check collision with falling items - birds die when hit
			for (var k = fallingItems.length - 1; k >= 0; k--) {
				var item = fallingItems[k];
				if (bgObj.object.intersects(item)) {
					// Bird death effect
					tween(bgObj.object, {
						scaleX: 0.1,
						scaleY: 0.1,
						alpha: 0,
						rotation: Math.PI * 2
					}, {
						duration: 800,
						easing: tween.easeOut
					});
					// Flash effect for bird death
					LK.effects.flashObject(bgObj.object, 0xFF0000, 500);
					// Remove bird after effect
					LK.setTimeout(function () {
						if (bgObj.object.parent) {
							bgObj.object.destroy();
						}
					}, 800);
					backgroundObjects.splice(j, 1);
					item.destroy();
					fallingItems.splice(k, 1);
					break; // Exit item loop since bird is destroyed
				}
			}
			if (bgObj.object.x > 2148) {
				bgObj.object.destroy();
				backgroundObjects.splice(j, 1);
			}
		} else if (bgObj.type === 'cloud') {
			bgObj.object.x += bgObj.speed;
			// Add gentle floating movement for clouds
			bgObj.object.y += Math.sin(LK.ticks * 0.01 + j) * 0.3;
			if (bgObj.object.x > 2248) {
				bgObj.object.destroy();
				backgroundObjects.splice(j, 1);
			}
		}
	}
	// Spawn new background objects occasionally
	if (LK.ticks % 300 == 0 && Math.random() < 0.7) {
		createBird();
	}
	if (LK.ticks % 450 == 0 && Math.random() < 0.5) {
		createCloud();
	}
	// Update falling items
	for (var i = fallingItems.length - 1; i >= 0; i--) {
		var item = fallingItems[i];
		if (item.lastY === undefined) item.lastY = item.y;
		if (item.lastIntersecting === undefined) item.lastIntersecting = false;
		// Remove items that fall off screen
		if (item.lastY < 2732 + 100 && item.y >= 2732 + 100) {
			item.destroy();
			fallingItems.splice(i, 1);
			continue;
		}
		// Check collision with player
		var currentIntersecting = item.intersects(player);
		if (!item.lastIntersecting && currentIntersecting) {
			if (item.itemType === 'bomb') {
				// Create explosion effect by scaling the bomb before destroying it
				tween(item, {
					scaleX: 3,
					scaleY: 3,
					alpha: 0
				}, {
					duration: 300,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Item will be destroyed below anyway
					}
				});
				LK.setScore(0);
				LK.effects.flashScreen(0xFF0000, 500);
				LK.getSound('explosion').play();
			} else {
				LK.setScore(LK.getScore() + item.points);
				if (item.itemType === 'rare') {
					LK.effects.flashObject(player, 0xFFD700, 300);
					LK.getSound('rare').play();
				} else {
					LK.getSound('itemCollect').play();
				}
			}
			scoreTxt.setText(LK.getScore());
			item.destroy();
			fallingItems.splice(i, 1);
			continue;
		}
		item.lastY = item.y;
		item.lastIntersecting = currentIntersecting;
	}
};