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

/**** 
* Classes
****/ 
// Bullet class representing the bullets fired by the player
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -10;
	self.update = function () {
		self.y += self.speed;
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Target class representing the targets to be hit
var Target = Container.expand(function () {
	var self = Container.call(this);
	var targetGraphics = self.attachAsset('target', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = -targetGraphics.height;
			self.x = Math.random() * 2048;
		}
	};
});
// Tas class representing the stones falling from the top
var Tas = Container.expand(function () {
	var self = Container.call(this);
	var tasGraphics = self.attachAsset('tas', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = -tasGraphics.height;
			self.x = Math.random() * 2048;
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize variables
var score = 0;
var bullets = [];
var targets = [];
var bulletCount = 5; // Initialize bullet count to 5
// Add the background asset to the game
var background = game.attachAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
var scoreTxt = new Text2('0', {
	size: 150,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Display bullet count
var bulletCountTxt = new Text2('Bullets: ' + bulletCount, {
	size: 100,
	fill: 0xFFFFFF
});
bulletCountTxt.anchor.set(1, 1); // Anchor to bottom right
LK.gui.bottomRight.addChild(bulletCountTxt);
// Initialize timer
var timer = 30;
var timerTxt = new Text2('Time: ' + timer, {
	size: 100,
	fill: 0xFFFFFF
});
timerTxt.anchor.set(1, 0); // Anchor to top right
LK.gui.topRight.addChild(timerTxt);
// Update timer every second
LK.setInterval(function () {
	timer--;
	timerTxt.setText('Time: ' + timer);
}, 1000);
// Create targets
for (var i = 0; i < 5; i++) {
	var target = new Target();
	target.x = Math.random() * 2048;
	target.y = Math.random() * 2732;
	targets.push(target);
	game.addChild(target);
}
// Create tas
for (var i = 0; i < 5; i++) {
	var tas = new Tas();
	tas.x = Math.random() * 2048;
	tas.y = Math.random() * 2732;
	targets.push(tas);
	game.addChild(tas);
}
// Handle shooting
var bulletCount = 5; // Initialize bullet count to 5
game.down = function (x, y, obj) {
	if (bulletCount > 0 && y > 2732 / 2) {
		// Check if bullet count is greater than 0 and the touch event is in the bottom half of the screen before firing
		var newBullet = new Bullet();
		newBullet.x = x;
		newBullet.y = 2732; // Bullets start from the bottom of the screen
		bullets.push(newBullet);
		game.addChild(newBullet);
		bulletCount--; // Decrease bullet count by 1 each time a bullet is fired
		bulletCountTxt.setText('Bullets: ' + bulletCount); // Update bullet count display
		// Play 'ab' music when the first bullet is fired
		if (bullets.length === 1) {
			LK.stopMusic();
			LK.playMusic('ab');
		}
	}
};
// Update game state
game.update = function () {
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].update();
		if (bullets[i].y < -50) {
			bullets[i].destroy();
			bullets.splice(i, 1);
		} else if (bullets[i].y >= 2732) {
			bulletCount -= 4; // Decrease bullet count by 4
			bulletCountTxt.setText('Bullets: ' + bulletCount); // Update bullet count display
			score = Math.max(0, score - 2); // Decrease score by 2 but not below 0
			scoreTxt.setText(score); // Update score display
			bullets[i].destroy();
			bullets.splice(i, 1);
		}
	}
	for (var j = targets.length - 1; j >= 0; j--) {
		targets[j].update();
		for (var k = bullets.length - 1; k >= 0; k--) {
			if (bullets[k].intersects(targets[j])) {
				score += 1;
				scoreTxt.setText(score);
				targets[j].y = -targets[j].height;
				targets[j].x = Math.random() * 2048;
				targets[j].speed += 0.5; // Decrease the speed of the target
				bulletCount += 2; // Increase bullet count by 2 when a bullet hits a target
				LK.getSound('arda').play(); // Play 'arda' sound
				// Check if the score is a multiple of 50 and score is greater than 100
				if (score % 50 === 0 && score > 100) {
					timer += 3; // Add 3 seconds to the timer
					timerTxt.setText('Time: ' + timer); // Update timer display
				} else if (score % 25 === 0) {
					bulletCount += 5; // Add 5 bullets to the current bullet count
					// If score is greater than 125, add 6 seconds to the timer, else add 10 seconds
					timer += score > 125 ? 6 : 10;
					timerTxt.setText('Time: ' + timer); // Update timer display
				}
				bulletCountTxt.setText('Bullets: ' + bulletCount); // Update bullet count display
				LK.effects.flashObject(targets[j], 0xff0000, 500); // Add explosion effect
				// Add light effect at the location where the bullet hits the target
				var lightEffect = LK.getAsset('light', {
					anchorX: 0.5,
					anchorY: 0.5,
					scaleX: 0.1,
					scaleY: 0.1,
					alpha: 0.8
				});
				lightEffect.x = bullets[k].x; // Position of the bullet
				lightEffect.y = bullets[k].y; // Position of the bullet
				game.addChild(lightEffect);
				tween(lightEffect, {
					scaleX: 1,
					scaleY: 1,
					alpha: 0
				}, {
					duration: 1000,
					onFinish: function onFinish() {
						lightEffect.destroy();
					}
				});
			}
		}
		if (targets[j].y >= 2732) {
			score = Math.max(0, score - 3); // Decrease score by 3 but not below 0
			scoreTxt.setText(score); // Update score display
			targets[j].y = -targets[j].height;
			targets[j].x = Math.random() * 2048;
		}
	}
	// Check if bullet count is 0 or timer is 0, if so, end the game
	if (bulletCount <= 0 || timer === 0) {
		LK.stopMusic();
		LK.showGameOver();
	}
	if (LK.ticks === 0 || LK.getSound('ab').ended && bulletCount !== 0 && timer !== 0) {
		LK.playMusic('ab');
	}
};