/**** 
* Classes
****/ 
var MusicalNote = Container.expand(function (noteType) {
	var self = Container.call(this);
	self.noteType = noteType;
	self.speed = 3;
	self.hitZone = 150;
	self.wasInHitZone = false;
	self.isHit = false;
	var noteNames = ['Do', 'Re', 'Mi', 'Fa', 'Sol', 'La', 'Si'];
	var noteAssets = ['noteDo', 'noteRe', 'noteMi', 'noteFa', 'noteSol', 'noteLa', 'noteSi'];
	var noteSounds = ['soundDo', 'soundRe', 'soundMi', 'soundFa', 'soundSol', 'soundLa', 'soundSi'];
	self.noteName = noteNames[noteType];
	self.soundId = noteSounds[noteType];
	var noteGraphics = self.attachAsset(noteAssets[noteType], {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var noteText = new Text2(self.noteName, {
		size: 40,
		fill: 0x000000
	});
	noteText.anchor.set(0.5, 0.5);
	self.addChild(noteText);
	self.update = function () {
		self.y += self.speed;
	};
	self.checkHit = function (touchY) {
		var distance = Math.abs(self.y - touchY);
		return distance < self.hitZone;
	};
	self.playSound = function () {
		LK.getSound(self.soundId).play();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a2e
});

/**** 
* Game Code
****/ 
var targetLineY = 2200;
var targetLine = game.attachAsset('targetLine', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: targetLineY
});
var notes = [];
var lives = 3;
var spawnTimer = 0;
var spawnInterval = 120;
var gameSpeed = 1;
var scoreText = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var livesText = new Text2('Vidas: 3', {
	size: 60,
	fill: 0xFF4444
});
livesText.anchor.set(0, 0);
livesText.x = 150;
livesText.y = 50;
LK.gui.topLeft.addChild(livesText);
function spawnNote() {
	var noteType = Math.floor(Math.random() * 7);
	var note = new MusicalNote(noteType);
	note.x = Math.random() * (2048 - 200) + 100;
	note.y = -100;
	note.speed = 2 + gameSpeed;
	notes.push(note);
	game.addChild(note);
}
function updateScore() {
	scoreText.setText(LK.getScore().toString());
}
function updateLives() {
	livesText.setText('Vidas: ' + lives);
}
function hitNote(note) {
	if (!note.isHit) {
		note.isHit = true;
		note.playSound();
		LK.getSound('hitSound').play();
		LK.setScore(LK.getScore() + 10);
		updateScore();
		LK.effects.flashObject(note, 0xffffff, 200);
		var index = notes.indexOf(note);
		if (index > -1) {
			notes.splice(index, 1);
		}
		note.destroy();
	}
}
function missNote() {
	lives--;
	updateLives();
	LK.getSound('missSound').play();
	LK.effects.flashScreen(0xff0000, 300);
	if (lives <= 0) {
		LK.showGameOver();
	}
}
game.down = function (x, y, obj) {
	var hitAnyNote = false;
	for (var i = notes.length - 1; i >= 0; i--) {
		var note = notes[i];
		if (!note.isHit) {
			var distance = Math.sqrt((note.x - x) * (note.x - x) + (note.y - y) * (note.y - y));
			if (distance < 80) {
				if (note.checkHit(targetLineY)) {
					hitNote(note);
					hitAnyNote = true;
					break;
				} else {
					missNote();
					hitAnyNote = true;
					break;
				}
			}
		}
	}
};
game.update = function () {
	spawnTimer++;
	if (spawnTimer >= spawnInterval) {
		spawnNote();
		spawnTimer = 0;
		if (LK.getScore() > 0 && LK.getScore() % 50 == 0) {
			gameSpeed += 0.2;
			spawnInterval = Math.max(60, spawnInterval - 5);
		}
	}
	for (var i = notes.length - 1; i >= 0; i--) {
		var note = notes[i];
		var currentInHitZone = Math.abs(note.y - targetLineY) < note.hitZone;
		if (!note.wasInHitZone && currentInHitZone) {
			note.wasInHitZone = true;
		} else if (note.wasInHitZone && !currentInHitZone && !note.isHit) {
			if (note.y > targetLineY + note.hitZone) {
				missNote();
				notes.splice(i, 1);
				note.destroy();
				continue;
			}
		}
		if (note.y > 2800) {
			if (!note.isHit) {
				missNote();
			}
			notes.splice(i, 1);
			note.destroy();
		}
	}
};