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#include <QAudioDeviceInfo>

#include "audiodevices.h"

AudioDevicesBase::AudioDevicesBase(QWidget *parent, Qt::WFlags f)

    : QMainWindow(parent, f)

{

    setupUi(this);

}

AudioDevicesBase::~AudioDevicesBase() {}

AudioTest::AudioTest(QWidget *parent, Qt::WFlags f)

    : AudioDevicesBase(parent, f)

{

    mode = QAudio::AudioOutput;

    connect(testButton, SIGNAL(clicked()), SLOT(test()));

    connect(modeBox, SIGNAL(activated(int)), SLOT(modeChanged(int)));

    connect(deviceBox, SIGNAL(activated(int)), SLOT(deviceChanged(int)));

    connect(frequencyBox, SIGNAL(activated(int)), SLOT(freqChanged(int)));

    connect(channelsBox, SIGNAL(activated(int)), SLOT(channelChanged(int)));

    connect(codecsBox, SIGNAL(activated(int)), SLOT(codecChanged(int)));

    connect(sampleSizesBox, SIGNAL(activated(int)), SLOT(sampleSizeChanged(int)));

    connect(sampleTypesBox, SIGNAL(activated(int)), SLOT(sampleTypeChanged(int)));

    connect(endianBox, SIGNAL(activated(int)), SLOT(endianChanged(int)));

    modeBox->setCurrentIndex(0);

    modeChanged(0);

    deviceBox->setCurrentIndex(0);

    deviceChanged(0);

}

AudioTest::~AudioTest()

{

}

void AudioTest::test()

{

    // tries to set all the settings picked.

    logOutput->clear();

    logOutput->append("NOTE: an invalid codec audio/test exists for testing, to get a fail condition.");

    if (!deviceInfo.isNull()) {

        if (deviceInfo.isFormatSupported(settings)) {

            logOutput->append(tr("Success"));

            nearestFreq->setText("");

            nearestChannel->setText("");

            nearestCodec->setText("");

            nearestSampleSize->setText("");

            nearestSampleType->setText("");

            nearestEndian->setText("");

        } else {

            QAudioFormat nearest = deviceInfo.nearestFormat(settings);

            logOutput->append(tr("Failed"));

            nearestFreq->setText(QString("%1").arg(nearest.frequency()));

            nearestChannel->setText(QString("%1").arg(nearest.channels()));

            nearestCodec->setText(nearest.codec());

            nearestSampleSize->setText(QString("%1").arg(nearest.sampleSize()));

            switch(nearest.sampleType()) {

                case QAudioFormat::SignedInt:

                    nearestSampleType->setText("SignedInt");

                    break;

                case QAudioFormat::UnSignedInt:

                    nearestSampleType->setText("UnSignedInt");

                    break;

                case QAudioFormat::Float:

                    nearestSampleType->setText("Float");

                    break;

                case QAudioFormat::Unknown:

                    nearestSampleType->setText("Unknown");

            }

            switch(nearest.byteOrder()) {

                case QAudioFormat::LittleEndian:

                    nearestEndian->setText("LittleEndian");

                    break;

                case QAudioFormat::BigEndian:

                    nearestEndian->setText("BigEndian");

            }

        }

    }

    else

        logOutput->append(tr("No Device"));

}

void AudioTest::modeChanged(int idx)

{

    // mode has changed

    if (idx == 0)

        mode = QAudio::AudioInput;

    else

        mode = QAudio::AudioOutput;

    deviceBox->clear();

    foreach (const QAudioDeviceInfo &deviceInfo, QAudioDeviceInfo::availableDevices(mode))

        deviceBox->addItem(deviceInfo.deviceName(), qVariantFromValue(deviceInfo));

}

void AudioTest::deviceChanged(int idx)

{

    if (deviceBox->count() == 0)

        return;

    // device has changed

    deviceInfo = deviceBox->itemData(idx).value<QAudioDeviceInfo>();

    frequencyBox->clear();

    QList<int> freqz = deviceInfo.supportedFrequencies();

    for(int i = 0; i < freqz.size(); ++i)

        frequencyBox->addItem(QString("%1").arg(freqz.at(i)));

    if(freqz.size())

        settings.setFrequency(freqz.at(0));

    channelsBox->clear();

    QList<int> chz = deviceInfo.supportedChannels();

    for(int i = 0; i < chz.size(); ++i)

        channelsBox->addItem(QString("%1").arg(chz.at(i)));

    if(chz.size())

        settings.setChannels(chz.at(0));

    codecsBox->clear();

    QStringList codecz = deviceInfo.supportedCodecs();

    for (int i = 0; i < codecz.size(); ++i)

        codecsBox->addItem(QString("%1").arg(codecz.at(i)));

    if (codecz.size())

        settings.setCodec(codecz.at(0));

    // Add false to create failed condition!

    codecsBox->addItem("audio/test");

    sampleSizesBox->clear();

    QList<int> sampleSizez = deviceInfo.supportedSampleSizes();

    for (int i = 0; i < sampleSizez.size(); ++i)

        sampleSizesBox->addItem(QString("%1").arg(sampleSizez.at(i)));

    if (sampleSizez.size())

        settings.setSampleSize(sampleSizez.at(0));

    sampleTypesBox->clear();

    QList<QAudioFormat::SampleType> sampleTypez = deviceInfo.supportedSampleTypes();

    for (int i = 0; i < sampleTypez.size(); ++i) {

        switch(sampleTypez.at(i)) {

            case QAudioFormat::SignedInt:

                sampleTypesBox->addItem("SignedInt");

                break;

            case QAudioFormat::UnSignedInt:

                sampleTypesBox->addItem("UnSignedInt");

                break;

            case QAudioFormat::Float:

                sampleTypesBox->addItem("Float");

                break;

            case QAudioFormat::Unknown:

                sampleTypesBox->addItem("Unknown");

        }

	if (sampleTypez.size())

            settings.setSampleType(sampleTypez.at(0));

    }

    endianBox->clear();

    QList<QAudioFormat::Endian> endianz = deviceInfo.supportedByteOrders();

    for (int i = 0; i < endianz.size(); ++i) {

        switch (endianz.at(i)) {

            case QAudioFormat::LittleEndian:

                endianBox->addItem("Little Endian");

                break;

            case QAudioFormat::BigEndian:

                endianBox->addItem("Big Endian");

                break;

        }

    }

    if (endianz.size())

        settings.setByteOrder(endianz.at(0));

}

void AudioTest::freqChanged(int idx)

{

    // freq has changed

    settings.setFrequency(frequencyBox->itemText(idx).toInt());

}

void AudioTest::channelChanged(int idx)

{

    settings.setChannels(channelsBox->itemText(idx).toInt());

}

void AudioTest::codecChanged(int idx)

{

    settings.setCodec(codecsBox->itemText(idx));

}

void AudioTest::sampleSizeChanged(int idx)

{

    settings.setSampleSize(sampleSizesBox->itemText(idx).toInt());

}

void AudioTest::sampleTypeChanged(int idx)

{

    switch (sampleTypesBox->itemText(idx).toInt()) {

        case QAudioFormat::SignedInt:

            settings.setSampleType(QAudioFormat::SignedInt);

            break;

        case QAudioFormat::UnSignedInt:

            settings.setSampleType(QAudioFormat::UnSignedInt);

            break;

        case QAudioFormat::Float:

            settings.setSampleType(QAudioFormat::Float);

    }

}

void AudioTest::endianChanged(int idx)

{

    switch (endianBox->itemText(idx).toInt()) {

        case QAudioFormat::LittleEndian:

            settings.setByteOrder(QAudioFormat::LittleEndian);

            break;

        case QAudioFormat::BigEndian:

            settings.setByteOrder(QAudioFormat::BigEndian);

    }

}