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

/**** 
* Classes
****/ 
var Fruit = Container.expand(function (fruitType) {
	var self = Container.call(this);
	var fruitGraphics = self.attachAsset(fruitType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.fruitType = fruitType;
	self.fallSpeed = Math.random() * 4 + 4; // Random speed between 4-8
	self.rotationSpeed = (Math.random() - 0.5) * 0.1; // Random rotation
	self.isSliced = false;
	self.lastY = undefined;
	self.update = function () {
		if (!self.isSliced) {
			self.y += self.fallSpeed;
			self.rotation += self.rotationSpeed;
			// Gradually increase speed as fruit falls
			if (self.y > 500 && self.y < 501) {
				tween(self, {
					fallSpeed: self.fallSpeed * 1.5
				}, {
					duration: 1000
				});
			}
		}
	};
	self.slice = function () {
		if (self.isSliced) return;
		self.isSliced = true;
		// Create slice effect
		LK.effects.flashObject(self, 0xffffff, 300);
		// Animate fruit disappearing
		tween(self, {
			alpha: 0,
			scaleX: 1.5,
			scaleY: 1.5
		}, {
			duration: 300,
			onFinish: function onFinish() {
				if (self.parent) {
					self.destroy();
				}
			}
		});
		// Play slice sound
		LK.getSound('slice').play();
		// Award points
		var points = doubleScore ? 2 : 1;
		LK.setScore(LK.getScore() + points);
		// Check for milestones
		if (LK.getScore() >= 30 && !doubleScore) {
			doubleScore = true;
			LK.effects.flashScreen(0x00ff00, 500);
		}
		if (LK.getScore() >= 10000) {
			LK.showYouWin();
		}
	};
	return self;
});
var SlashEffect = Container.expand(function () {
	var self = Container.call(this);
	var slashGraphics = self.attachAsset('slashEffect', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	slashGraphics.alpha = 0.8;
	// Animate slash effect
	tween(self, {
		alpha: 0,
		scaleX: 2,
		scaleY: 2
	}, {
		duration: 200,
		onFinish: function onFinish() {
			if (self.parent) {
				self.destroy();
			}
		}
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
// Game variables
var fruits = [];
var fruitTypes = ['apple', 'orange', 'banana', 'grape'];
var spawnTimer = 0;
var spawnRate = 60; // Start spawning every 60 ticks (1 second)
var doubleScore = false;
var isSlashing = false;
var slashStartX = 0;
var slashStartY = 0;
// UI Elements
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0, 0);
scoreTxt.x = 120;
scoreTxt.y = 50;
game.addChild(scoreTxt);
var multiplierTxt = new Text2('', {
	size: 60,
	fill: 0xFFFF00
});
multiplierTxt.anchor.set(0.5, 0);
multiplierTxt.x = 1024;
multiplierTxt.y = 50;
game.addChild(multiplierTxt);
// Spawn fruit function
function spawnFruit() {
	var fruitType = fruitTypes[Math.floor(Math.random() * fruitTypes.length)];
	var fruit = new Fruit(fruitType);
	fruit.x = Math.random() * (2048 - 200) + 100; // Keep fruits within screen bounds
	fruit.y = -100;
	fruit.lastY = fruit.y;
	fruits.push(fruit);
	game.addChild(fruit);
}
// Check if point is on fruit
function checkFruitHit(x, y) {
	for (var i = 0; i < fruits.length; i++) {
		var fruit = fruits[i];
		if (!fruit.isSliced) {
			var dx = x - fruit.x;
			var dy = y - fruit.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 80) {
				// Hit radius
				fruit.slice();
				// Create slash effect
				var slash = new SlashEffect();
				slash.x = x;
				slash.y = y;
				slash.rotation = Math.random() * Math.PI * 2;
				game.addChild(slash);
				return true;
			}
		}
	}
	return false;
}
// Game input handlers
game.down = function (x, y, obj) {
	isSlashing = true;
	slashStartX = x;
	slashStartY = y;
	checkFruitHit(x, y);
};
game.move = function (x, y, obj) {
	if (isSlashing) {
		checkFruitHit(x, y);
	}
};
game.up = function (x, y, obj) {
	isSlashing = false;
};
// Main game update loop
game.update = function () {
	// Update score display
	scoreTxt.setText('Score: ' + LK.getScore());
	// Update multiplier display
	if (doubleScore) {
		multiplierTxt.setText('2X SCORE!');
	} else {
		multiplierTxt.setText('');
	}
	// Spawn fruits
	spawnTimer++;
	if (spawnTimer >= spawnRate) {
		spawnFruit();
		spawnTimer = 0;
		// Gradually increase difficulty
		if (spawnRate > 20) {
			spawnRate -= 1;
		}
	}
	// Update fruits and check for missed fruits
	for (var i = fruits.length - 1; i >= 0; i--) {
		var fruit = fruits[i];
		if (fruit.lastY === undefined) fruit.lastY = fruit.y;
		// Check if fruit went off screen (missed)
		if (fruit.lastY <= 2732 && fruit.y > 2732 && !fruit.isSliced) {
			// Game over - missed a fruit
			LK.effects.flashScreen(0xff0000, 1000);
			LK.getSound('miss').play();
			LK.showGameOver();
			return;
		}
		// Remove fruits that are off screen and already sliced or way below screen
		if (fruit.y > 2832 || fruit.isSliced && fruit.alpha <= 0) {
			if (fruit.parent) {
				fruit.destroy();
			}
			fruits.splice(i, 1);
			continue;
		}
		fruit.lastY = fruit.y;
	}
};