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

/**** 
* Classes
****/ 
// Basket class
var Basket = Container.expand(function () {
	var self = Container.call(this);
	self.asset = self.attachAsset('basket', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// Fruit class
var Fruit = Container.expand(function () {
	var self = Container.call(this);
	// Fruit types: apple, banana, orange, grape, golden, bomb
	self.type = 'apple'; // default, will be set on creation
	self.speed = 6; // will be set on creation
	self.points = 1; // will be set on creation
	// Attach asset based on type
	self.setType = function (type) {
		self.type = type;
		if (self.asset) {
			self.removeChild(self.asset);
		}
		var assetId = '';
		if (type === 'apple') assetId = 'fruit_apple';else if (type === 'banana') assetId = 'fruit_banana';else if (type === 'orange') assetId = 'fruit_orange';else if (type === 'grape') assetId = 'fruit_grape';else if (type === 'golden') assetId = 'fruit_golden';else if (type === 'bomb') assetId = 'bomb';
		self.asset = self.attachAsset(assetId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a1a
});

/**** 
* Game Code
****/ 
// Music
// Sound effects
// Basket
// Bomb
// Fruits
// Game variables
var basket = null;
var fruits = [];
var score = 0;
var scoreTxt = null;
var dragNode = null;
var lastBasketX = 0;
var gameSpeed = 1;
var spawnInterval = 60; // ticks between spawns
var ticksSinceLastSpawn = 0;
var gameOver = false;
// Only bombs will fall!
var fruitTypes = [{
	type: 'bomb',
	weight: 1,
	points: 0,
	speed: 13
}];
// Helper: always pick bomb
function pickRandomFruitType() {
	return fruitTypes[0];
}
// Helper: spawn a fruit as a meteor from left or right edge, moving diagonally
function spawnFruit() {
	var fruitInfo = pickRandomFruitType();
	var fruit = new Fruit();
	fruit.setType(fruitInfo.type);
	fruit.points = fruitInfo.points;
	fruit.speed = fruitInfo.speed * gameSpeed;
	// Decide spawn side: 0 = left, 1 = right
	var side = Math.random() < 0.5 ? 0 : 1;
	// Spawn from higher up: Y between -200 and 400
	var minY = -200;
	var maxY = 400;
	fruit.y = minY + Math.random() * (maxY - minY);
	// Set start and end X for diagonal movement
	var marginX = 80;
	if (side === 0) {
		// Spawn from left edge, move right
		fruit.x = -100;
		fruit.targetX = 2048 + 100;
	} else {
		// Spawn from right edge, move left
		fruit.x = 2048 + 100;
		fruit.targetX = -100;
	}
	// Save start/end for update
	fruit.startX = fruit.x;
	fruit.startY = fruit.y;
	fruit.endX = fruit.targetX;
	// Calculate how many frames it will take to cross the screen
	var dx = fruit.targetX - fruit.x;
	var dy = 2732 + 200 - fruit.y; // go off bottom
	var dist = Math.sqrt(dx * dx + dy * dy);
	fruit.framesToCross = dist / fruit.speed;
	fruit.frameCount = 0;
	// Override update for diagonal movement
	fruit.update = function () {
		this.frameCount++;
		var t = this.frameCount / this.framesToCross;
		if (t > 1) t = 1;
		// Linear interpolation
		this.x = this.startX + (this.endX - this.startX) * t;
		this.y = this.startY + (2732 + 200 - this.startY) * t;
	};
	fruits.push(fruit);
	game.addChild(fruit);
}
// Score text
scoreTxt = new Text2('0', {
	size: 120,
	fill: "#fff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Basket
basket = new Basket();
basket.x = 1024;
basket.y = 2732 - 120;
game.addChild(basket);
// Move handler for dragging basket
function handleMove(x, y, obj) {
	if (dragNode) {
		// Clamp basket inside screen
		var halfW = basket.asset.width / 2;
		var minX = halfW;
		var maxX = 2048 - halfW;
		dragNode.x = Math.max(minX, Math.min(maxX, x));
	}
}
game.move = handleMove;
// Down handler: start dragging if touch is on basket or near bottom
game.down = function (x, y, obj) {
	// Only allow drag if touch is near basket (bottom 400px)
	if (y > 2732 - 400) {
		dragNode = basket;
		handleMove(x, y, obj);
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
// Update function
game.update = function () {
	if (gameOver) return;
	// Increase game speed as time passes (bombs get faster over time)
	if (!game.startTick) game.startTick = LK.ticks;
	var elapsedSeconds = (LK.ticks - game.startTick) / 60;
	gameSpeed = 1 + Math.min(1.5, elapsedSeconds * 0.07); // up to 2.5x after ~21s
	// Spawn fruits
	ticksSinceLastSpawn++;
	var interval = Math.max(18, Math.floor(spawnInterval / gameSpeed));
	if (ticksSinceLastSpawn >= interval) {
		spawnFruit();
		ticksSinceLastSpawn = 0;
	}
	// Update fruits
	for (var i = fruits.length - 1; i >= 0; i--) {
		var fruit = fruits[i];
		fruit.update();
		// Check for collision with basket
		if (fruit.intersects(basket)) {
			if (fruit.type === 'bomb') {
				// Bomb caught: game over
				LK.getSound('bomb').play();
				LK.effects.flashScreen(0xff0000, 800);
				gameOver = true;
				LK.showGameOver();
				return;
			} else {
				// Fruit caught
				if (fruit.type === 'golden') {
					LK.getSound('golden').play();
					LK.effects.flashObject(basket, 0xffe700, 600);
				} else {
					LK.getSound('catch').play();
					LK.effects.flashObject(basket, 0xffffff, 200);
				}
				score += fruit.points;
				LK.setScore(score);
				scoreTxt.setText(score);
				// Remove fruit
				fruit.destroy();
				fruits.splice(i, 1);
				continue;
			}
		}
		// Missed fruit (not bomb): if it goes off screen (bottom or left/right)
		if (fruit.y > 2732 + 120 || fruit.x < -150 || fruit.x > 2048 + 150) {
			if (fruit.type !== 'bomb') {
				// Missed a fruit: game over
				LK.effects.flashScreen(0xff0000, 800);
				gameOver = true;
				LK.showGameOver();
				return;
			} else {
				// Bomb missed: just remove
				fruit.destroy();
				fruits.splice(i, 1);
				continue;
			}
		}
	}
};
// Play background music
LK.playMusic('bgmusic');