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#include <QtTest/QtTest>

#include <QDebug>

#include <qaudiocapturesource.h>

#include <qaudioencodercontrol.h>

#include <qmediarecordercontrol.h>

#include <qaudioendpointselector.h>

QT_USE_NAMESPACE

class MockAudioEncoderControl : public QAudioEncoderControl

{

    Q_OBJECT

public:

    MockAudioEncoderControl(QObject *parent = 0):

            QAudioEncoderControl(parent)

    {

        m_codecs << "audio/pcm" << "audio/mpeg";

        m_descriptions << "Pulse Code Modulation" << "mp3 format";

        m_audioSettings.setCodec("audio/pcm");

        m_audioSettings.setSampleRate(8000);

        m_freqs << 8000 << 11025 << 22050 << 44100;

    }

    ~MockAudioEncoderControl() {}

    QStringList supportedAudioCodecs() const { return m_codecs; }

    QString codecDescription(const QString &codecName) const { return m_descriptions.at(m_codecs.indexOf(codecName)); }

    QStringList supportedEncodingOptions(const QString &) const { return QStringList() << "bitrate"; }

    QVariant encodingOption(const QString &, const QString &) const { return m_optionValue; }

    void setEncodingOption(const QString &, const QString &, const QVariant &value) { m_optionValue = value; }

    QList<int> supportedSampleRates(const QAudioEncoderSettings & = QAudioEncoderSettings(),

                                    bool *continuous = 0) const

    {

        if (continuous)

            *continuous = false;

        return m_freqs;

    }

    QList<int> supportedChannelCounts(const QAudioEncoderSettings & = QAudioEncoderSettings()) const { QList<int> list; list << 1 << 2; return list; }

    QAudioEncoderSettings audioSettings() const { return m_audioSettings; }

    void setAudioSettings(const QAudioEncoderSettings &settings) { m_audioSettings = settings;}

    QStringList m_codecs;

    QStringList m_descriptions;

    QAudioEncoderSettings m_audioSettings;

    QList<int> m_freqs;

    QVariant m_optionValue;

};

class MockMediaRecorderControl : public QMediaRecorderControl

{

    Q_OBJECT

public:

    MockMediaRecorderControl(QObject *parent = 0):

            QMediaRecorderControl(parent),

            m_state(QMediaRecorder::StoppedState),

    ~MockMediaRecorderControl() {}

    QUrl outputLocation() const { return m_sink; }

    bool setOutputLocation(const QUrl &sink) { m_sink = sink; return true; }

    QMediaRecorder::State state() const { return m_state; }

    qint64 duration() const { return m_position; }

    void applySettings() {}

public slots:

    void record()

    {

        m_state = QMediaRecorder::RecordingState;

        m_position=1;

        emit stateChanged(m_state);

        emit durationChanged(m_position);

    }

    void pause()

    {

        m_state = QMediaRecorder::PausedState;

        emit stateChanged(m_state);

    }

    void stop()

    {

        m_position=0;

        m_state = QMediaRecorder::StoppedState;

        emit stateChanged(m_state);

    }

public:

    QUrl       m_sink;

    QMediaRecorder::State m_state;

    qint64     m_position;

};

class MockAudioEndpointSelector : public QAudioEndpointSelector

{

    Q_OBJECT

public:

    MockAudioEndpointSelector(QObject *parent):

        QAudioEndpointSelector(parent)

    {

        m_names << "device1" << "device2" << "device3";

        m_descriptions << "dev1 comment" << "dev2 comment" << "dev3 comment";

        m_audioInput = "device1";

        emit availableEndpointsChanged();

    }

    ~MockAudioEndpointSelector() {};

    QList<QString> availableEndpoints() const

    {

        return m_names;

    }

    QString endpointDescription(const QString& name) const

    {

        QString desc;

        for(int i = 0; i < m_names.count(); i++) {

            if (m_names.at(i).compare(name) == 0) {

                desc = m_descriptions.at(i);

                break;

            }

        }

        return desc;

    }

    QString defaultEndpoint() const

    {

        return m_names.at(0);

    }

    QString activeEndpoint() const

    {

        return m_audioInput;

    }

public Q_SLOTS:

    void setActiveEndpoint(const QString& name)

    {

        m_audioInput = name;

        emit activeEndpointChanged(name);

    }

private:

    QString        m_audioInput;

    QList<QString> m_names;

    QList<QString> m_descriptions;

};

class MockAudioSourceService : public QMediaService

{

    Q_OBJECT

public:

    MockAudioSourceService(): QMediaService(0), hasAudioDeviceControl(true)

    {

        mockAudioEncoderControl = new MockAudioEncoderControl(this);

        mockMediaRecorderControl = new MockMediaRecorderControl(this);

        mockAudioEndpointSelector = new MockAudioEndpointSelector(this);

    }

    ~MockAudioSourceService()

    {

        delete mockAudioEncoderControl;

        delete mockMediaRecorderControl;

        delete mockAudioEndpointSelector;

    }

    {

        if (qstrcmp(iid, QAudioEncoderControl_iid) == 0)

            return mockAudioEncoderControl;

        if (qstrcmp(iid, QMediaRecorderControl_iid) == 0)

            return mockMediaRecorderControl;

        if (hasAudioDeviceControl && qstrcmp(iid, QAudioEndpointSelector_iid) == 0)

            return mockAudioEndpointSelector;

        return 0;

    }

    MockAudioEncoderControl *mockAudioEncoderControl;

    MockMediaRecorderControl *mockMediaRecorderControl;

    MockAudioEndpointSelector *mockAudioEndpointSelector;

    bool hasAudioDeviceControl;

};

class MockProvider : public QMediaServiceProvider

{

public:

    MockProvider(MockAudioSourceService *service):mockService(service) {}

    QMediaService *requestService(const QByteArray&, const QMediaServiceProviderHint &)

    {

        return mockService;

    }

    void releaseService(QMediaService *) {}

    MockAudioSourceService *mockService;

};

class tst_QAudioCaptureSource: public QObject

{

    Q_OBJECT

public slots:

    void initTestCase();

    void cleanupTestCase();

private slots:

    //void testNullService();

    //void testNullControl();

    void testAudioSource();

    void testOptions();

    void testDevices();

private:

    QAudioCaptureSource *audiosource;

    MockAudioSourceService  *mockAudioSourceService;

    MockProvider *mockProvider;

};

void tst_QAudioCaptureSource::initTestCase()

{

    mockAudioSourceService = new MockAudioSourceService;

    mockProvider = new MockProvider(mockAudioSourceService);

}

void tst_QAudioCaptureSource::cleanupTestCase()

{

    delete audiosource;

    delete mockProvider;

}

/*

void tst_QAudioCaptureSource::testNullService()

{

    MockProvider provider(0);

    QAudioCaptureSource source(0, &provider);

    QCOMPARE(source.audioInputs().size(), 0);

    QCOMPARE(source.defaultAudioInput(), QString());

    QCOMPARE(source.activeAudioInput(), QString());

}

*/

/*

void tst_QAudioCaptureSource::testNullControl()

{

    MockAudioSourceService service;

    service.hasAudioDeviceControl = false;

    MockProvider provider(&service);

    QAudioCaptureSource source(0, &provider);

    QCOMPARE(source.audioInputs().size(), 0);

    QCOMPARE(source.defaultAudioInput(), QString());

    QCOMPARE(source.activeAudioInput(), QString());

    QCOMPARE(source.audioDescription("blah"), QString());

    QSignalSpy deviceNameSpy(&source, SIGNAL(activeAudioInputChanged(QString)));

    source.setAudioInput("blah");

    QCOMPARE(deviceNameSpy.count(), 0);

}

*/

void tst_QAudioCaptureSource::testAudioSource()

{

    audiosource = new QAudioCaptureSource(0, mockProvider);

    QCOMPARE(audiosource->service(),(QMediaService *) mockAudioSourceService);

}

void tst_QAudioCaptureSource::testOptions()

{

    const QString codec(QLatin1String("mp3"));

    QStringList options = mockAudioSourceService->mockAudioEncoderControl->supportedEncodingOptions(codec);

    QVERIFY(options.count() == 1);

    mockAudioSourceService->mockAudioEncoderControl->setEncodingOption(codec, options.first(),8000);

    QVERIFY(mockAudioSourceService->mockAudioEncoderControl->encodingOption(codec, options.first()).toInt() == 8000);

}

void tst_QAudioCaptureSource::testDevices()

{

    QList<QString> devices = audiosource->audioInputs();

    QVERIFY(devices.size() > 0);

    QVERIFY(devices.at(0).compare("device1") == 0);

    QVERIFY(audiosource->audioDescription("device1").compare("dev1 comment") == 0);

    QVERIFY(audiosource->defaultAudioInput() == "device1");

    QSignalSpy checkSignal(audiosource, SIGNAL(activeAudioInputChanged(QString)));

    audiosource->setAudioInput("device2");

    QVERIFY(audiosource->activeAudioInput().compare("device2") == 0);

    QVERIFY(checkSignal.count() == 1);

}

QTEST_MAIN(tst_QAudioCaptureSource)

#include "tst_qaudiocapturesource.moc"