#include "soundengine.h"
#include "settingscache.h"
#include <QAudioOutput>
#include <QAudioFormat>
#include <QFile>
#include <QBuffer>

SoundEngine::SoundEngine(QObject *parent)
	: QObject(parent)
{
	inputBuffer = new QBuffer;
	QAudioFormat format;
	format.setFrequency(44100);
	format.setChannels(1);
	format.setSampleSize(16);
	format.setCodec("audio/pcm");
	format.setByteOrder(QAudioFormat::LittleEndian);
	format.setSampleType(QAudioFormat::SignedInt);
	audio = new QAudioOutput(format, this);
	
	connect(settingsCache, SIGNAL(soundPathChanged()), this, SLOT(cacheData()));
	cacheData();
}

void SoundEngine::cacheData()
{
	static const QStringList fileNames = QStringList()
		<< "notification" << "draw" << "playcard" << "shuffle" << "tap" << "untap" << "cuckoo";
	for (int i = 0; i < fileNames.size(); ++i) {
		QFile file(settingsCache->getSoundPath() + "/" + fileNames[i] + ".raw");
		file.open(QIODevice::ReadOnly);
		audioData.insert(fileNames[i], file.readAll());
		file.close();
	}
}

void SoundEngine::playSound(const QString &fileName)
{
	if (!settingsCache->getSoundEnabled())
		return;
	
	audio->stop();
	inputBuffer->close();
	inputBuffer->setData(audioData[fileName]);
	inputBuffer->open(QIODevice::ReadOnly);
	audio->start(inputBuffer);
}

void SoundEngine::notification()
{
	playSound("notification");
}

void SoundEngine::draw()
{
	playSound("draw");
}

void SoundEngine::playCard()
{
	playSound("playcard");
}

void SoundEngine::shuffle()
{
	playSound("shuffle");
}

void SoundEngine::tap()
{
	playSound("tap");
}

void SoundEngine::untap()
{
	playSound("untap");
}

void SoundEngine::cuckoo()
{
	playSound("cuckoo");
}