/**** 
* Classes
****/
// NumberedObject class
var NumberedObject = Container.expand(function (number) {
	var self = Container.call(this);
	var objectGraphics = self.createAsset('object' + number, 'Numbered object ' + number, 0.5, 0.5);
});
// EndGameItem class
var EndGameItem = Container.expand(function () {
	var self = Container.call(this);
	var endGraphics = self.createAsset('end', 'End game object', 0.5, 1);
	self.visible = false;
});
// Skull class
var Skull = Container.expand(function () {
	var self = Container.call(this);
	var skullGraphics = self.createAsset('skull', 'Skull effect', 0.5, 0.5);
	skullGraphics.alpha = 1;
	self.animate = function () {
		LK.setTimeout(function () {
			self.destroy();
		}, 500);
	};
});
// HealthMeter class
var HealthMeter = Container.expand(function () {
	var self = Container.call(this);
	var meterGraphics = self.createAsset('healthMeter', 'Health meter display', 0, 0);
	self.decreaseHealth = function () {
		meterGraphics.width -= meterGraphics.width / 3;
		if (meterGraphics.width <= 0) {
			meterGraphics.width = 0;
			// Trigger game over or any other necessary action
		}
	};
});
// Explosion class
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.createAsset('explosion', 'Explosion effect', 0.5, 0.5);
	explosionGraphics.alpha = 1;
	self.animate = function () {
		LK.setTimeout(function () {
			self.destroy();
		}, 500);
	};
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.createAsset('player', 'Player character', 0.5, 1);
	self.speed = 10;
	self.targetX = self.x;
	self.moveLeft = function () {
		if (self.x > self.targetX && self.x > playerGraphics.width / 2) {
			self.x -= self.speed;
		}
	};
	self.moveRight = function () {
		if (self.x < self.targetX && self.x < 2048 - playerGraphics.width / 2) {
			self.x += self.speed;
		}
	};
});
// Player2 class
var Player2 = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.createAsset('player2', 'Alternate player character', 0.5, 1);
	self.speed = 10;
	self.targetX = self.x;
	self.visible = false;
	self.moveLeft = function () {
		if (self.x > self.targetX && self.x > playerGraphics.width / 2) {
			self.x -= self.speed;
		}
	};
	self.moveRight = function () {
		if (self.x < self.targetX && self.x < 2048 - playerGraphics.width / 2) {
			self.x += self.speed;
		}
	};
});
// Apple class
var Apple = Container.expand(function () {
	var self = Container.call(this);
	var appleGraphics = self.createAsset('apple', 'Falling apple', 0.5, 0.5);
	self.speed = 6;
	self.move = function () {
		self.y += self.speed;
	};
	self.isCaught = function (player) {
		var playerHeadY = player.y - player.height / 2;
		var appleBottomY = self.y + self.height / 2;
		if (self.intersects(player) && appleBottomY < playerHeadY) {
			var explosion = new Explosion();
			explosion.x = self.x;
			explosion.y = self.y;
			game.addChild(explosion);
			explosion.animate();
			numberedObjects[0].visible = true;
			return true;
		}
		return false;
	};
});
// GreenApple class
var GreenApple = Container.expand(function () {
	var self = Container.call(this);
	var appleGraphics = self.createAsset('greenApple', 'Falling green apple', 0.5, 0.5);
	self.speed = 10;
	self.move = function () {
		self.y += self.speed;
	};
	self.isCaught = function (player) {
		var playerHeadY = player.y - player.height / 2;
		var appleBottomY = self.y + self.height / 2;
		if (self.intersects(player) && appleBottomY < playerHeadY) {
			var skull = new Skull();
			skull.x = self.x;
			skull.y = self.y;
			game.addChild(skull);
			skull.animate();
			return true;
		}
		return false;
	};
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background
});

/**** 
* Game Code
****/
// Initialize second background
var background2 = game.addChild(LK.getAsset('background2', 'Second background', 0, 0));
background2.width = 2048;
background2.height = 2732;
background2.x = 0;
background2.y = 0;
background2.anchor.set(0, 0);
// Initialize backgrounds
var background = game.addChild(LK.getAsset('background', 'Game background', 0, 0));
background.width = 2048;
background.height = 2732;
background.x = 0;
background.y = 0;
background.anchor.set(0, 0);
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 50; // Positioned at the bottom of the screen
// Initialize player2
var player2 = game.addChild(new Player2());
player2.x = 2048 / 2;
player2.y = 2732 - 50; // Positioned at the bottom of the screen, same as player
// Initialize apples array
var apples = [];
// Initialize numberedObjects array to store numbered objects
var numberedObjects = [];
for (var i = 0; i < 9; i++) {
	var numberedObject = game.addChild(new NumberedObject(i + 1));
	numberedObject.x = 2048 / 2;
	numberedObject.y = 100 * (i + 1);
	numberedObject.visible = false;
	numberedObjects.push(numberedObject);
}
// Display the formula F=G(Mm)/R^2 on the screen
var formulaText = new Text2('F=G(Mm)/R^2', {
	size: 100,
	fill: "#ffffff",
	align: 'center'
});
formulaText.anchor.set(0.5, 0);
formulaText.x = 2048 / 2;
formulaText.y = 100;
LK.gui.top.addChild(formulaText);
// Initialize health meters
var healthMeters = [];
for (var i = 0; i < 3; i++) {
	var healthMeter = game.addChild(new HealthMeter());
	healthMeter.x = i * 70; // Assuming each health meter is 64 pixels wide plus some padding
	healthMeter.y = 10;
	healthMeters.push(healthMeter);
}
// Handle touch movement
function handleTouchMove(obj) {
	var touchPos = obj.event.getLocalPosition(game);
	player.targetX = touchPos.x;
	player2.targetX = touchPos.x;
}
// Attach touch move event to the game
game.on('move', handleTouchMove);
// Game tick event
LK.on('tick', function () {
	// Move player towards targetX and control visibility of player and player2
	// Only move if the targetX is not directly on the player
	if (Math.abs(player.x - player.targetX) > player.width / 2) {
		if (player.x < player.targetX) {
			player.moveRight();
			player2.moveRight();
			player.visible = false;
			player2.visible = true;
		} else if (player.x > player.targetX) {
			player.moveLeft();
			player2.moveLeft();
			player.visible = true;
			player2.visible = false;
		}
	}
	// Move apples
	for (var i = apples.length - 1; i >= 0; i--) {
		apples[i].move();
		// Check if apple is caught by the player or player2 depending on their visibility
		if (player.visible && apples[i] instanceof Apple && apples[i].isCaught(player) || player2.visible && apples[i] instanceof Apple && apples[i].isCaught(player2)) {
			// Increase score
			LK.setScore(LK.getScore() + 1);
			// Show object2 on the second catch of a red apple
			if (LK.getScore() === 2) {
				numberedObjects[1].visible = true;
			}
			// Show object3 on the third catch of a red apple
			if (LK.getScore() === 3) {
				numberedObjects[2].visible = true;
			}
			// Show object4 on the fourth catch of a red apple
			if (LK.getScore() === 4) {
				numberedObjects[3].visible = true;
			}
			// Show object5 on the fifth catch of a red apple
			if (LK.getScore() === 5) {
				numberedObjects[4].visible = true;
			}
			// Show object6 on the sixth catch of a red apple
			if (LK.getScore() === 6) {
				numberedObjects[5].visible = true;
			}
			// Show object7 on the seventh catch of a red apple
			if (LK.getScore() === 7) {
				numberedObjects[6].visible = true;
			}
			// Show object8 on the eighth catch of a red apple
			if (LK.getScore() === 8) {
				numberedObjects[7].visible = true;
			}
			// Show object9 on the ninth catch of a red apple
			if (LK.getScore() === 9) {
				numberedObjects[8].visible = true;
			}
			// Remove caught apple
			apples[i].destroy();
			apples.splice(i, 1);
		} else if (player.visible && apples[i] instanceof GreenApple && apples[i].isCaught(player) || player2.visible && apples[i] instanceof GreenApple && apples[i].isCaught(player2)) {
			// Decrease health and check for game over
			if (healthMeters.length > 0) {
				var lastHealthMeter = healthMeters.pop();
				lastHealthMeter.destroy();
				if (healthMeters.length === 0) {
					// Trigger game over with golden effect
					LK.effects.flashScreen(0xFFFF00, 1000);
					var endGameItem = game.addChild(new EndGameItem());
					endGameItem.x = player.x;
					endGameItem.y = player.y;
					endGameItem.visible = true;
					player.visible = false;
					player2.visible = false;
					LK.showGameOver();
				}
			}
			// Remove caught green apple
			apples[i].destroy();
			apples.splice(i, 1);
		} else if (apples[i].y > 2732) {
			// Remove apple if it falls off the screen
			apples[i].destroy();
			apples.splice(i, 1);
		}
	}
	// Spawn apples less frequently
	if (LK.ticks % 120 == 0) {
		// Every two seconds
		var appleType = Math.random() < 0.25 ? new Apple() : new GreenApple(); // 25% chance for red apple, 75% for green apple
		var newApple = appleType;
		newApple.x = Math.random() * 2048;
		newApple.y = 2732 / 2; // Start at the middle of the screen in height
		apples.push(newApple);
		game.addChild(newApple);
	}
});