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

/**** 
* Classes
****/ 
var HitEffect = Container.expand(function () {
	var self = Container.call(this);
	var effectGraphics = self.attachAsset('hitEffect', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	effectGraphics.alpha = 0.8;
	tween(self, {
		scaleX: 3,
		scaleY: 3,
		alpha: 0
	}, {
		duration: 300,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			self.destroy();
		}
	});
	return self;
});
var Note = Container.expand(function () {
	var self = Container.call(this);
	var noteGraphics = self.attachAsset('note', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.startDepth = 0.1;
	self.targetDepth = 1.0;
	self.currentDepth = self.startDepth;
	self.speed = 0.008;
	self.lane = 0;
	self.hit = false;
	self.startX = 0;
	self.startY = 0;
	self.update = function () {
		if (self.hit) return;
		self.currentDepth += self.speed;
		// Calculate scale based on depth (closer = larger)
		var scale = self.currentDepth * 2;
		self.scaleX = scale;
		self.scaleY = scale;
		// Calculate position based on depth and lane
		var progress = self.currentDepth / self.targetDepth;
		var targetX = 1024 + self.lane * 300 - 450; // Center with lane offset
		var targetY = 2000;
		self.x = self.startX + (targetX - self.startX) * progress;
		self.y = self.startY + (targetY - self.startY) * progress;
		// Adjust alpha based on depth
		self.alpha = Math.min(1, self.currentDepth * 3);
		// Rotation for 3D effect
		noteGraphics.rotation += 0.05;
	};
	self.down = function (x, y, obj) {
		if (self.hit) return;
		var hitZoneStart = 0.85;
		var hitZoneEnd = 1.1;
		if (self.currentDepth >= hitZoneStart && self.currentDepth <= hitZoneEnd) {
			self.hit = true;
			// Calculate hit accuracy
			var optimal = 0.98;
			var accuracy = 1 - Math.abs(self.currentDepth - optimal) / 0.15;
			accuracy = Math.max(0, Math.min(1, accuracy));
			var points = Math.floor(accuracy * 100);
			LK.setScore(LK.getScore() + points);
			// Update combo
			combo++;
			if (combo > 5) {
				var bonusPoints = Math.floor(points * (combo / 10));
				LK.setScore(LK.getScore() + bonusPoints);
			}
			// Visual feedback
			createHitEffect(self.x, self.y);
			// Sound feedback
			LK.getSound('hit').play();
			// Scale effect
			tween(self, {
				scaleX: self.scaleX * 1.5,
				scaleY: self.scaleY * 1.5,
				alpha: 0
			}, {
				duration: 200,
				onFinish: function onFinish() {
					self.destroy();
				}
			});
			return true;
		}
		return false;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0a0a2e
});

/**** 
* Game Code
****/ 
var notes = [];
var combo = 0;
var lastMissTime = 0;
var spawnTimer = 0;
var spawnInterval = 90; // Spawn every 1.5 seconds at 60fps
var lanes = [-1, 0, 1]; // Three lanes
// Target zone in center
var targetZone = game.addChild(LK.getAsset('targetZone', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 2000,
	alpha: 0.3
}));
// Score display
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// Combo display
var comboText = new Text2('', {
	size: 60,
	fill: 0xFFFF00
});
comboText.anchor.set(0.5, 0);
comboText.y = 100;
LK.gui.top.addChild(comboText);
function createHitEffect(x, y) {
	var effect = game.addChild(new HitEffect());
	effect.x = x;
	effect.y = y;
}
function spawnNote() {
	var note = game.addChild(new Note());
	// Random lane
	var laneIndex = Math.floor(Math.random() * lanes.length);
	note.lane = lanes[laneIndex];
	// Starting position (far away)
	note.startX = 1024 + note.lane * 100; // Slight lane offset at start
	note.startY = 1000;
	note.x = note.startX;
	note.y = note.startY;
	// Random speed variation
	note.speed = 0.006 + Math.random() * 0.004;
	notes.push(note);
}
game.update = function () {
	// Update score display
	scoreText.setText('Score: ' + LK.getScore());
	// Update combo display
	if (combo > 3) {
		comboText.setText('Combo: ' + combo + 'x');
	} else {
		comboText.setText('');
	}
	// Spawn notes
	spawnTimer++;
	if (spawnTimer >= spawnInterval) {
		spawnNote();
		spawnTimer = 0;
		// Gradually increase difficulty
		if (spawnInterval > 45) {
			spawnInterval -= 0.5;
		}
	}
	// Check for missed notes and cleanup
	for (var i = notes.length - 1; i >= 0; i--) {
		var note = notes[i];
		// Note missed (went too far)
		if (!note.hit && note.currentDepth > 1.2) {
			combo = 0; // Reset combo on miss
			LK.getSound('miss').play();
			// Flash effect for miss
			LK.effects.flashScreen(0xff0000, 200);
			note.destroy();
			notes.splice(i, 1);
			continue;
		}
		// Remove hit notes that finished animating
		if (note.hit && (note.alpha <= 0 || !note.parent)) {
			notes.splice(i, 1);
			continue;
		}
	}
	// Pulsating target zone effect
	var pulse = Math.sin(LK.ticks * 0.1) * 0.1 + 1;
	targetZone.scaleX = pulse;
	targetZone.scaleY = pulse;
};
// Handle taps anywhere on screen
game.down = function (x, y, obj) {
	var hitAny = false;
	// Check if any note was hit
	for (var i = 0; i < notes.length; i++) {
		var note = notes[i];
		if (!note.hit && note.down && note.down(x, y, obj)) {
			hitAny = true;
			break;
		}
	}
	// If no note was hit, reset combo
	if (!hitAny) {
		combo = 0;
		LK.effects.flashScreen(0x444444, 100);
	}
};
// Start background music
LK.setTimeout(function () {
	LK.playMusic('bgmusic');
}, 500);