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

/**** 
* Classes
****/ 
var Basketball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('basketball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = 0;
	self.velocityY = 0;
	self.gravity = 0.8;
	self.bounce = 0.6;
	self.isActive = false;
	self.hasScored = false;
	self.update = function () {
		if (self.isActive) {
			self.velocityY += self.gravity;
			self.x += self.velocityX;
			self.y += self.velocityY;
			// Check ground collision
			if (self.y > 2500) {
				self.reset();
			}
			// Check side boundaries
			if (self.x < 60 || self.x > 1988) {
				self.velocityX *= -self.bounce;
				self.x = Math.max(60, Math.min(1988, self.x));
			}
		}
	};
	self.shoot = function (powerX, powerY) {
		self.velocityX = powerX;
		self.velocityY = powerY;
		self.isActive = true;
		self.hasScored = false;
	};
	self.reset = function () {
		self.x = startX;
		self.y = startY;
		self.velocityX = 0;
		self.velocityY = 0;
		self.isActive = false;
		self.hasScored = false;
	};
	return self;
});
var Hoop = Container.expand(function () {
	var self = Container.call(this);
	var hoopGraphics = self.attachAsset('hoop', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var backboardGraphics = self.attachAsset('backboard', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	backboardGraphics.x = 120;
	backboardGraphics.y = -50;
	self.moveToRandomPosition = function () {
		var newX = 300 + Math.random() * 1400;
		var newY = 400 + Math.random() * 800;
		tween(self, {
			x: newX,
			y: newY
		}, {
			duration: 1000,
			easing: tween.easeOut
		});
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var startX = 1024;
var startY = 2400;
var basketball = null;
var hoop = null;
var isAiming = false;
var aimStartX = 0;
var aimStartY = 0;
var consecutiveShots = 0;
var missedShots = 0;
var maxMisses = 3;
var aimLines = [];
// Create score display
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create consecutive shots display
var streakTxt = new Text2('Streak: 0', {
	size: 60,
	fill: 0xFFFF00
});
streakTxt.anchor.set(0, 0);
streakTxt.x = 50;
streakTxt.y = 100;
LK.gui.topLeft.addChild(streakTxt);
// Create misses display
var missesTxt = new Text2('Misses: 0/3', {
	size: 60,
	fill: 0xFF0000
});
missesTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(missesTxt);
// Initialize basketball
basketball = game.addChild(new Basketball());
basketball.x = startX;
basketball.y = startY;
// Initialize hoop
hoop = game.addChild(new Hoop());
hoop.x = 1024;
hoop.y = 600;
function updateScore() {
	scoreTxt.setText('Score: ' + LK.getScore());
	streakTxt.setText('Streak: ' + consecutiveShots);
	missesTxt.setText('Misses: ' + missedShots + '/' + maxMisses);
}
function createAimLine(x, y) {
	var line = game.addChild(LK.getAsset('aimLine', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	line.x = x;
	line.y = y;
	line.alpha = 0.7;
	aimLines.push(line);
	tween(line, {
		alpha: 0
	}, {
		duration: 200,
		onFinish: function onFinish() {
			line.destroy();
		}
	});
}
function clearAimLines() {
	for (var i = aimLines.length - 1; i >= 0; i--) {
		aimLines[i].destroy();
		aimLines.splice(i, 1);
	}
}
function checkCollisions() {
	// Check hoop collision (scoring)
	if (basketball.isActive && !basketball.hasScored) {
		var ballLeft = basketball.x - 60;
		var ballRight = basketball.x + 60;
		var ballTop = basketball.y - 60;
		var ballBottom = basketball.y + 60;
		var hoopLeft = hoop.x - 100;
		var hoopRight = hoop.x + 100;
		var hoopTop = hoop.y - 20;
		var hoopBottom = hoop.y + 20;
		// Check if ball is passing through hoop from above
		if (ballLeft > hoopLeft && ballRight < hoopRight && ballTop < hoopBottom && ballBottom > hoopTop && basketball.velocityY > 0) {
			basketball.hasScored = true;
			consecutiveShots++;
			var points = 10 + (consecutiveShots - 1) * 5;
			LK.setScore(LK.getScore() + points);
			LK.getSound('swish').play();
			LK.effects.flashScreen(0x00ff00, 500);
			hoop.moveToRandomPosition();
			updateScore();
			setTimeout(function () {
				basketball.reset();
			}, 1000);
		}
	}
	// Check hoop rim collision
	if (basketball.isActive) {
		var hoopLeft = hoop.x - 100;
		var hoopRight = hoop.x + 100;
		var hoopY = hoop.y;
		if (basketball.x > hoopLeft && basketball.x < hoopRight && Math.abs(basketball.y - hoopY) < 80 && basketball.velocityY > 0) {
			basketball.velocityY *= -basketball.bounce;
			basketball.velocityX *= 0.8;
			LK.getSound('bounce').play();
		}
	}
	// Check backboard collision
	var backboardX = hoop.x + 120;
	var backboardTop = hoop.y - 75;
	var backboardBottom = hoop.y + 75;
	if (basketball.isActive && Math.abs(basketball.x - backboardX) < 70 && basketball.y > backboardTop && basketball.y < backboardBottom) {
		basketball.velocityX *= -basketball.bounce;
		basketball.velocityY *= 0.9;
		LK.getSound('bounce').play();
	}
}
function checkMiss() {
	if (basketball.isActive && basketball.y > 2300 && !basketball.hasScored) {
		missedShots++;
		consecutiveShots = 0;
		updateScore();
		if (missedShots >= maxMisses) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
}
game.down = function (x, y, obj) {
	if (!basketball.isActive) {
		isAiming = true;
		aimStartX = x;
		aimStartY = y;
		clearAimLines();
	}
};
game.move = function (x, y, obj) {
	if (isAiming && !basketball.isActive) {
		var deltaX = x - aimStartX;
		var deltaY = y - aimStartY;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		if (distance > 20) {
			var steps = Math.floor(distance / 30);
			for (var i = 1; i <= steps; i++) {
				var lineX = aimStartX + deltaX * i / steps;
				var lineY = aimStartY + deltaY * i / steps;
				createAimLine(lineX, lineY);
			}
		}
	}
};
game.up = function (x, y, obj) {
	if (isAiming && !basketball.isActive) {
		var deltaX = x - aimStartX;
		var deltaY = y - aimStartY;
		var power = Math.min(Math.sqrt(deltaX * deltaX + deltaY * deltaY) / 20, 20);
		if (power > 2) {
			var powerX = deltaX / 20;
			var powerY = deltaY / 20;
			basketball.shoot(powerX, powerY);
		}
		isAiming = false;
		clearAimLines();
	}
};
game.update = function () {
	checkCollisions();
	checkMiss();
	// Win condition
	if (LK.getScore() >= 500) {
		LK.showYouWin();
	}
};
updateScore();