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

/**** 
* Classes
****/ 
/**** 
* Ball Class
****/ 
var Ball = Container.expand(function () {
	var self = Container.call(this);
	self.asset = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0;
	self.direction = {
		x: 0,
		y: 0
	};
	self.update = function () {
		self.x += self.direction.x * self.speed;
		self.y += self.direction.y * self.speed;
	};
	self.setGlow = function (isGlow) {
		self.removeChild(self.asset);
		self.asset = self.attachAsset(isGlow ? 'glow' : 'ball', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	return self;
});
/**** 
* Goalkeeper Class
****/ 
var Goalkeeper = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('goalkeeper', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.resetPosition = function () {
		self.x = 2048 / 2;
		self.y = 580; // Positioned near bottom of goalpost
		self.speed = score >= 100 ? 5 + Math.floor(100 / 10) * 2 : 5 + Math.floor(score / 10) * 2;
	};
	self.update = function () {
		self.x += self.speed;
		if (self.x > 1700 || self.x < 300) {
			self.speed *= -1;
		}
	};
	self.resetPosition();
	return self;
});
/**** 
* Goalpost Class
****/ 
var Goalpost = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('goalpost', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = 2048 / 2;
	self.y = 200;
	return self;
});

/**** 
* Initialize Game
****/ 
/**** 
* Game Initialization
****/ 
var game = new LK.Game({
	backgroundColor: 0x228B22
});

/**** 
* Game Code
****/ 
/**** 
* Game Variables
****/ 
var score = 0;
var consecutiveGoals = 0;
var useGlowBall = false;
var firstGoalAchieved = false;
var fiveGoalsStreakAchieved = false;
var glowMasterAchieved = false;
var ball, goalkeeper, goalpost, scoreTxt, flashEffect, crowdText;
function initGame() {
	goalpost = game.addChild(new Goalpost());
	goalkeeper = game.addChild(new Goalkeeper());
	// Add horizontal divider line between goalkeeper and player
	var dividerLine = LK.getAsset('centerCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 8,
		scaleY: 0.08,
		x: 2048 / 2,
		y: (goalkeeper.y + (2732 - 200)) / 2
	});
	dividerLine.alpha = 0.7;
	game.addChild(dividerLine);
	ball = game.addChild(new Ball());
	resetBall();
	scoreTxt = new Text2('Score: 0', {
		size: 100,
		fill: 0xFFFFFF
	});
	LK.playMusic('backgroundMusic', {
		loop: true,
		fade: {
			start: 0,
			end: 1,
			duration: 1000
		}
	}); // Play background music with fade-in effect 
	scoreTxt.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreTxt);
	flashEffect = LK.getAsset('glow', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2048 / 100,
		scaleY: 2732 / 100
	});
	flashEffect.tint = 0xFFFFFF;
	flashEffect.alpha = 0;
	game.addChild(flashEffect);
	crowdText = new Text2('Goal!', {
		size: 200,
		fill: 0xFFFF00,
		stroke: 0x000000,
		strokeThickness: 5
	});
	crowdText.anchor.set(0.5, 0.5);
	crowdText.x = 2048 / 2;
	crowdText.y = 2732 / 2;
	crowdText.alpha = 0;
	game.addChild(crowdText);
}
/**** 
* Game Loop
****/ 
game.update = function () {
	ball.update();
	goalkeeper.update();
	if (checkGoal()) {
		if (score === 0 && !firstGoalAchieved) {
			displayAchievementText("First Goal!");
			firstGoalAchieved = true;
		}
		if (useGlowBall) {
			score += 20;
		} else {
			if (useGlowBall) {
				score += 20;
			} else {
				score += 10;
			}
		}
		scoreTxt.setText('Score: ' + score);
		consecutiveGoals++;
		if (consecutiveGoals === 3) {
			useGlowBall = true;
		} else if (consecutiveGoals > 3) {
			consecutiveGoals = 0;
			useGlowBall = false;
		}
		resetBall();
		goalkeeper.resetPosition();
		playGoalCheer();
		if (consecutiveGoals === 3) {
			displayAchievementText("Glow Ball!");
		}
		if (consecutiveGoals === 5 && !fiveGoalsStreakAchieved) {
			displayAchievementText("5 Goals Streak!");
			fiveGoalsStreakAchieved = true;
		}
		if (consecutiveGoals >= 3) {
			triggerFireworks();
		}
		triggerWowMoments();
	} else if (ball.y < 0) {
		resetBall();
		consecutiveGoals = 0;
		useGlowBall = false;
	} else if (ball.intersects(goalkeeper)) {
		LK.showGameOver();
		displayMotivationalMessage();
	}
	updateWowEffects();
};
/**** 
* Functions
****/ 
function checkGoal() {
	var goalArea = {
		left: goalpost.x - goalpost.width / 2,
		right: goalpost.x + goalpost.width / 2,
		top: goalpost.y - goalpost.height / 2,
		bottom: goalpost.y + goalpost.height / 2
	};
	if (ball.x > goalArea.left && ball.x < goalArea.right && ball.y < goalArea.bottom && ball.y > goalArea.top) {
		if (ball.intersects(goalkeeper)) {
			return false;
		}
		return true;
	}
	return false;
}
function resetBall() {
	ball.x = 2048 / 2;
	ball.y = 2732 - 200;
	ball.speed = 0;
	ball.direction = {
		x: 0,
		y: 0
	};
	ball.setGlow(useGlowBall);
}
function playGoalCheer() {
	var cheer = consecutiveGoals % 3 === 0 ? LK.getSound('specialGoal') : LK.getSound('goal');
	if (cheer) {
		cheer.play();
	}
}
function triggerFireworks() {
	var firework = LK.getAsset('firework', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	firework.x = 2048 / 2;
	firework.y = 500;
	firework.anchor.set(0.5, 0.5);
	game.addChild(firework);
	// Apply tween for magical effect
	tween(firework, {
		scaleX: 2,
		scaleY: 2,
		alpha: 0
	}, {
		duration: 1500,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			game.removeChild(firework);
		}
	});
}
function triggerWowMoments() {
	flashEffect.alpha = 1;
	crowdText.alpha = 1;
}
function updateWowEffects() {
	if (flashEffect.alpha > 0) {
		flashEffect.alpha -= 0.05;
	}
	if (crowdText.alpha > 0) {
		crowdText.alpha -= 0.05;
	}
}
/**** 
* Ball Kick Handler
****/ 
game.down = function (x, y) {
	var angle = Math.atan2(y - ball.y, x - ball.x);
	ball.direction = {
		x: Math.cos(angle),
		y: Math.sin(angle)
	};
	ball.speed = 20;
	LK.getSound('kick').play();
};
initGame();
function displayAchievementText(text) {
	var achievementText = new Text2(text, {
		size: 150,
		fill: text === "Glow Ball!" ? 0x00008B : 0xFFFFFF,
		// Dark shining blue for 'Glow Ball!', white otherwise
		stroke: text === "Glow Ball!" ? 0xFFD700 : 0x000000,
		// Gold outline for 'Glow Ball!', black otherwise
		strokeThickness: 5
	});
	achievementText.anchor.set(0.5, 0.5);
	achievementText.x = 2048 / 2;
	achievementText.y = 2732 / 2;
	game.addChild(achievementText);
	LK.setTimeout(function () {
		game.removeChild(achievementText);
	}, 1500);
}
function displayMotivationalMessage() {
	var motivationalText = new Text2('Champions never quit!', {
		size: 150,
		fill: 0xFF0000,
		// Red color
		stroke: 0xFFFFFF,
		// White outline
		strokeThickness: 5
	});
	motivationalText.anchor.set(0.5, 0.5);
	motivationalText.x = 2048 / 2;
	motivationalText.y = 2732 - 800;
	game.addChild(motivationalText);
	LK.setTimeout(function () {
		game.removeChild(motivationalText);
	}, 2000);
}