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

/**** 
* Classes
****/ 
var LightStick = Container.expand(function () {
	var self = Container.call(this);
	var stickGraphics = self.attachAsset('lightStick', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.isCollected = false;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var MemberCard = Container.expand(function () {
	var self = Container.call(this);
	var cardGraphics = self.attachAsset('memberCard', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 6;
	self.isCollected = false;
	self.memberName = '';
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Note = Container.expand(function () {
	var self = Container.call(this);
	var noteGraphics = self.attachAsset('note', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.isGolden = false;
	self.isHit = false;
	self.lane = 0;
	self.makeGolden = function () {
		self.isGolden = true;
		self.removeChild(noteGraphics);
		noteGraphics = self.attachAsset('goldenNote', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a0033
});

/**** 
* Game Code
****/ 
// Game variables
var notes = [];
var memberCards = [];
var lightSticks = [];
var hearts = [];
var combo = 0;
var maxCombo = 0;
var health = 3;
var armyBoostActive = false;
var armyBoostTimer = 0;
var noteSpawnTimer = 0;
var powerUpSpawnTimer = 0;
var isGameActive = true;
// Member names for cards
var memberNames = ['RM', 'Jin', 'Suga', 'J-Hope', 'Jimin', 'V', 'Jungkook'];
// Create hit zone
var hitZone = game.addChild(LK.getAsset('hitZone', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.3
}));
hitZone.x = 2048 / 2;
hitZone.y = 2732 - 200;
// Create lane markers
var lanePositions = [400, 700, 1000, 1300, 1648];
// Create UI elements
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var comboTxt = new Text2('Combo: 0', {
	size: 80,
	fill: 0x9C27B0
});
comboTxt.anchor.set(0, 0);
comboTxt.x = 150;
comboTxt.y = 200;
LK.gui.topLeft.addChild(comboTxt);
var armyBoostTxt = new Text2('', {
	size: 100,
	fill: 0xFFD700
});
armyBoostTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(armyBoostTxt);
// Create health hearts
for (var i = 0; i < 3; i++) {
	var heart = LK.getAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	heart.x = 150 + i * 80;
	heart.y = 100;
	hearts.push(heart);
	LK.gui.topLeft.addChild(heart);
}
// Helper functions
function spawnNote() {
	var note = new Note();
	var laneIndex = Math.floor(Math.random() * lanePositions.length);
	note.x = lanePositions[laneIndex];
	note.y = -50;
	note.lane = laneIndex;
	// 15% chance for golden note
	if (Math.random() < 0.15) {
		note.makeGolden();
	}
	notes.push(note);
	game.addChild(note);
}
function spawnMemberCard() {
	var card = new MemberCard();
	card.x = Math.random() * 1648 + 200;
	card.y = -100;
	card.memberName = memberNames[Math.floor(Math.random() * memberNames.length)];
	memberCards.push(card);
	game.addChild(card);
}
function spawnLightStick() {
	var stick = new LightStick();
	stick.x = Math.random() * 1648 + 200;
	stick.y = -100;
	lightSticks.push(stick);
	game.addChild(stick);
}
function hitNote(note) {
	if (note.isHit) return;
	note.isHit = true;
	var points = note.isGolden ? 200 : 100;
	// Army boost multiplier
	if (armyBoostActive) {
		points *= 2;
	}
	// Combo multiplier
	combo++;
	if (combo > maxCombo) maxCombo = combo;
	if (combo >= 10) {
		points *= Math.floor(combo / 10) + 1;
	}
	LK.setScore(LK.getScore() + points);
	scoreTxt.setText(LK.getScore().toString());
	comboTxt.setText('Combo: ' + combo);
	// Play sound
	if (note.isGolden) {
		LK.getSound('bonus').play();
	} else {
		LK.getSound('hit').play();
	}
	// Army boost trigger
	if (combo > 0 && combo % 20 === 0) {
		activateArmyBoost();
	}
	// Flash effect
	LK.effects.flashObject(note, 0xffd700, 300);
	// Remove note
	var index = notes.indexOf(note);
	if (index > -1) {
		notes.splice(index, 1);
		note.destroy();
	}
}
function missNote() {
	combo = 0;
	comboTxt.setText('Combo: 0');
	health--;
	// Update hearts
	if (health >= 0 && health < hearts.length) {
		hearts[health].alpha = 0.3;
	}
	LK.getSound('miss').play();
	LK.effects.flashScreen(0xff0000, 500);
	if (health <= 0) {
		isGameActive = false;
		LK.showGameOver();
	}
}
function activateArmyBoost() {
	armyBoostActive = true;
	armyBoostTimer = 300; // 5 seconds at 60fps
	armyBoostTxt.setText('ARMY BOOST!');
	armyBoostTxt.alpha = 1;
	// Animate text
	tween(armyBoostTxt, {
		scaleX: 1.5,
		scaleY: 1.5
	}, {
		duration: 200
	});
	tween(armyBoostTxt, {
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 200
	});
}
function checkNoteHit(x, y) {
	var hitZoneTop = hitZone.y - 60;
	var hitZoneBottom = hitZone.y + 60;
	for (var i = notes.length - 1; i >= 0; i--) {
		var note = notes[i];
		if (note.isHit) continue;
		var noteLeft = note.x - 60;
		var noteRight = note.x + 60;
		if (x >= noteLeft && x <= noteRight && note.y >= hitZoneTop && note.y <= hitZoneBottom) {
			hitNote(note);
			return true;
		}
	}
	return false;
}
// Game events
game.down = function (x, y, obj) {
	if (!isGameActive) return;
	if (!checkNoteHit(x, y)) {
		missNote();
	}
};
// Main game loop
game.update = function () {
	if (!isGameActive) return;
	// Spawn notes
	noteSpawnTimer++;
	if (noteSpawnTimer >= 40) {
		// Spawn every ~0.67 seconds
		spawnNote();
		noteSpawnTimer = 0;
	}
	// Spawn power-ups
	powerUpSpawnTimer++;
	if (powerUpSpawnTimer >= 200) {
		// Spawn every ~3.33 seconds
		if (Math.random() < 0.6) {
			spawnMemberCard();
		} else {
			spawnLightStick();
		}
		powerUpSpawnTimer = 0;
	}
	// Update notes
	for (var i = notes.length - 1; i >= 0; i--) {
		var note = notes[i];
		// Check if note passed hit zone without being hit
		if (!note.isHit && note.y > hitZone.y + 100) {
			missNote();
			notes.splice(i, 1);
			note.destroy();
			continue;
		}
		// Remove notes that are off screen
		if (note.y > 2732 + 100) {
			notes.splice(i, 1);
			note.destroy();
		}
	}
	// Update member cards
	for (var i = memberCards.length - 1; i >= 0; i--) {
		var card = memberCards[i];
		// Check collision with hit zone
		if (!card.isCollected && card.y > hitZone.y - 100 && card.y < hitZone.y + 100) {
			card.isCollected = true;
			var bonusPoints = 300;
			if (armyBoostActive) bonusPoints *= 2;
			LK.setScore(LK.getScore() + bonusPoints);
			scoreTxt.setText(LK.getScore().toString());
			LK.getSound('bonus').play();
			memberCards.splice(i, 1);
			card.destroy();
			continue;
		}
		// Remove cards that are off screen
		if (card.y > 2732 + 100) {
			memberCards.splice(i, 1);
			card.destroy();
		}
	}
	// Update light sticks
	for (var i = lightSticks.length - 1; i >= 0; i--) {
		var stick = lightSticks[i];
		// Check collision with hit zone
		if (!stick.isCollected && stick.y > hitZone.y - 100 && stick.y < hitZone.y + 100) {
			stick.isCollected = true;
			// Restore health
			if (health < 3) {
				hearts[health].alpha = 1;
				health++;
			}
			LK.getSound('bonus').play();
			lightSticks.splice(i, 1);
			stick.destroy();
			continue;
		}
		// Remove sticks that are off screen
		if (stick.y > 2732 + 100) {
			lightSticks.splice(i, 1);
			stick.destroy();
		}
	}
	// Update Army boost
	if (armyBoostActive) {
		armyBoostTimer--;
		if (armyBoostTimer <= 0) {
			armyBoostActive = false;
			armyBoostTxt.setText('');
			armyBoostTxt.alpha = 0;
		} else if (armyBoostTimer < 60) {
			// Fade out effect
			armyBoostTxt.alpha = armyBoostTimer / 60;
		}
	}
	// Check win condition
	if (LK.getScore() >= 10000) {
		isGameActive = false;
		LK.showYouWin();
	}
};
// Start the music
LK.playMusic('btsTrack');