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#include <QtTest/QtTest>

#include <QDebug>

#include <QTimer>

#include <qmediaobject.h>

#include <qmediacontrol.h>

#include <qmediaservice.h>

#include <qradiotunercontrol.h>

#include <qradiotuner.h>

class MockControl : public QRadioTunerControl

{

    Q_OBJECT

public:

    MockControl(QObject *parent):

        QRadioTunerControl(parent),

        m_active(false),

        m_searching(false),m_muted(false),m_stereo(true),

        m_volume(100),m_signal(0),m_frequency(0),

        m_band(QRadioTuner::FM) {}

    QRadioTuner::State state() const

    {

        return m_active ? QRadioTuner::ActiveState : QRadioTuner::StoppedState;

    }

    bool isAvailable() const

    {

        return true;

    }

    {

    }

    QRadioTuner::Band band() const

    {

        return m_band;

    }

    void setBand(QRadioTuner::Band b)

    {

        m_band = b;

        emit bandChanged(m_band);

    }

    bool isBandSupported(QRadioTuner::Band b) const

    {

        if(b == QRadioTuner::FM || b == QRadioTuner::AM) return true;

        return false;

    }

    int frequency() const

    {

        return m_frequency;

    }

    QPair<int,int> frequencyRange(QRadioTuner::Band) const

    {

        return qMakePair<int,int>(1,2);

    }

    int frequencyStep(QRadioTuner::Band) const

    {

        return 1;

    }

    void setFrequency(int frequency)

    {

        m_frequency = frequency;

        emit frequencyChanged(m_frequency);

    }

    bool isStereo() const

    {

        return m_stereo;

    }

    void setStereo(bool stereo)

    {

        emit stereoStatusChanged(m_stereo = stereo);

    }

    QRadioTuner::StereoMode stereoMode() const

    {

        return m_stereoMode;

    }

    void setStereoMode(QRadioTuner::StereoMode mode)

    {

        m_stereoMode = mode;

    }

    QRadioTuner::Error error() const

    {

        return QRadioTuner::NoError;

    }

    QString errorString() const

    {

        return QString();

    }

    int signalStrength() const

    {

        return m_signal;

    }

    int volume() const

    {

        return m_volume;

    }

    void setVolume(int volume)

    {

        m_volume = volume;

        emit volumeChanged(m_volume);

    }

    bool isMuted() const

    {

        return m_muted;

    }

    void setMuted(bool muted)

    {

        m_muted = muted;

        emit mutedChanged(m_muted);

    }

    bool isSearching() const

    {

        return m_searching;

    }

    void searchForward()

    {

        m_searching = true;

        emit searchingChanged(m_searching);

    }

    void searchBackward()

    {

        m_searching = true;

        emit searchingChanged(m_searching);

    }

    void cancelSearch()

    {

        m_searching = false;

        emit searchingChanged(m_searching);

    }

    void start()

    {

        if (!m_active) {

            m_active = true;

            emit stateChanged(state());

        }

    }

    void stop()

    {

        if (m_active) {

            m_active = false;

            emit stateChanged(state());

        }

    }

public:

    bool m_active;

    bool m_searching;

    bool m_muted;

    bool m_stereo;

    int  m_volume;

    int  m_signal;

    int  m_frequency;

    QRadioTuner::StereoMode m_stereoMode;

    QRadioTuner::Band m_band;

};

class MockService : public QMediaService

{

    Q_OBJECT

public:

    MockService(QObject *parent, QMediaControl *control):

        QMediaService(parent),

        mockControl(control) {}

    QMediaControl* control(const char *) const

    {

        return mockControl;

    }

    QMediaControl   *mockControl;

};

class MockProvider : public QMediaServiceProvider

{

public:

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

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

    {

        return mockService;

    }

    void releaseService(QMediaService *) {}

    MockService *mockService;

};

class tst_QRadioTuner: public QObject

{

    Q_OBJECT

public slots:

    void initTestCase();

    void cleanupTestCase();

private slots:

    void testNullService();

    void testNullControl();

    void testBand();

    void testFrequency();

    void testMute();

    void testSearch();

    void testVolume();

    void testSignal();

    void testStereo();

private:

    MockControl     *mock;

    MockService     *service;

    MockProvider    *provider;

    QRadioTuner    *radio;

};

void tst_QRadioTuner::initTestCase()

{

    qRegisterMetaType<QRadioTuner::State>("QRadioTuner::State");

    qRegisterMetaType<QRadioTuner::Band>("QRadioTuner::Band");

    mock = new MockControl(this);

    service = new MockService(this, mock);

    provider = new MockProvider(service);

    radio = new QRadioTuner(0,provider);

    QVERIFY(radio->service() != 0);

    QSignalSpy stateSpy(radio, SIGNAL(stateChanged(QRadioTuner::State)));

    QCOMPARE(radio->state(), QRadioTuner::StoppedState);    

    radio->start();

    QCOMPARE(radio->state(), QRadioTuner::ActiveState);

    QCOMPARE(stateSpy.count(), 1);

    QCOMPARE(stateSpy.first()[0].value<QRadioTuner::State>(), QRadioTuner::ActiveState);

}

void tst_QRadioTuner::cleanupTestCase()

{

    QVERIFY(radio->error() == QRadioTuner::NoError);

    QVERIFY(radio->errorString().isEmpty());

    QSignalSpy stateSpy(radio, SIGNAL(stateChanged(QRadioTuner::State)));

    radio->stop();

    QCOMPARE(radio->state(), QRadioTuner::StoppedState);

    QCOMPARE(stateSpy.count(), 1);

    QCOMPARE(stateSpy.first()[0].value<QRadioTuner::State>(), QRadioTuner::StoppedState);

    delete radio;

    delete service;

    delete provider;

}

void tst_QRadioTuner::testNullService()

{

    const QPair<int, int> nullRange(0, 0);

    MockProvider provider(0);

    QRadioTuner radio(0, &provider);

    radio.start();

    QCOMPARE(radio.error(), QRadioTuner::ResourceError);

    QCOMPARE(radio.errorString(), QString());

    QCOMPARE(radio.band(), QRadioTuner::FM);

    QCOMPARE(radio.isBandSupported(QRadioTuner::AM), false);

    QCOMPARE(radio.isBandSupported(QRadioTuner::FM), false);

    QCOMPARE(radio.frequency(), 0);

    QCOMPARE(radio.frequencyStep(QRadioTuner::AM), 0);

    QCOMPARE(radio.frequencyStep(QRadioTuner::FM), 0);

    QCOMPARE(radio.frequencyRange(QRadioTuner::AM), nullRange);

    QCOMPARE(radio.frequencyRange(QRadioTuner::FM), nullRange);

    QCOMPARE(radio.isStereo(), false);

    QCOMPARE(radio.stereoMode(), QRadioTuner::Auto);

    QCOMPARE(radio.signalStrength(), 0);

    QCOMPARE(radio.volume(), 0);

    QCOMPARE(radio.isMuted(), false);

    QCOMPARE(radio.isSearching(), false);

    radio.stop();

}

void tst_QRadioTuner::testNullControl()

{

    const QPair<int, int> nullRange(0, 0);

    MockService service(0, 0);

    MockProvider provider(&service);

    QRadioTuner radio(0, &provider);

    radio.start();

    QCOMPARE(radio.error(), QRadioTuner::ResourceError);

    QCOMPARE(radio.errorString(), QString());

    QCOMPARE(radio.band(), QRadioTuner::FM);

    QCOMPARE(radio.isBandSupported(QRadioTuner::AM), false);

    QCOMPARE(radio.isBandSupported(QRadioTuner::FM), false);

    QCOMPARE(radio.frequency(), 0);

    QCOMPARE(radio.frequencyStep(QRadioTuner::AM), 0);

    QCOMPARE(radio.frequencyStep(QRadioTuner::FM), 0);

    QCOMPARE(radio.frequencyRange(QRadioTuner::AM), nullRange);

    QCOMPARE(radio.frequencyRange(QRadioTuner::FM), nullRange);

    {

        QSignalSpy bandSpy(&radio, SIGNAL(bandChanged(QRadioTuner::Band)));

        QSignalSpy frequencySpy(&radio, SIGNAL(frequencyChanged(int)));

        radio.setFrequency(107500);

        QCOMPARE(radio.band(), QRadioTuner::FM);

        QCOMPARE(radio.frequency(), 0);

        QCOMPARE(bandSpy.count(), 0);

        QCOMPARE(frequencySpy.count(), 0);

        radio.setBand(QRadioTuner::AM);

        QCOMPARE(radio.band(), QRadioTuner::FM);

        QCOMPARE(radio.frequency(), 0);

        QCOMPARE(bandSpy.count(), 0);

        QCOMPARE(frequencySpy.count(), 0);

    }

    QCOMPARE(radio.isStereo(), false);

    QCOMPARE(radio.stereoMode(), QRadioTuner::Auto);

    radio.setStereoMode(QRadioTuner::ForceStereo);

    QCOMPARE(radio.stereoMode(), QRadioTuner::Auto);

    QCOMPARE(radio.signalStrength(), 0);

    QCOMPARE(radio.volume(), 0);

    QCOMPARE(radio.isMuted(), false);

    {

        QSignalSpy volumeSpy(&radio, SIGNAL(volumeChanged(int)));

        QSignalSpy muteSpy(&radio, SIGNAL(mutedChanged(bool)));

        radio.setVolume(76);

        QCOMPARE(radio.volume(), 0);

        QCOMPARE(volumeSpy.count(), 0);

        radio.setMuted(true);

        QCOMPARE(radio.isMuted(), false);

        QCOMPARE(muteSpy.count(), 0);

    }

    QCOMPARE(radio.isSearching(), false);

    {

        QSignalSpy spy(&radio, SIGNAL(searchingChanged(bool)));

        radio.searchBackward();

        QCOMPARE(radio.isSearching(), false);

        QCOMPARE(spy.count(), 0);

        radio.searchForward();

        QCOMPARE(radio.isSearching(), false);

        QCOMPARE(spy.count(), 0);

        radio.cancelSearch();

        QCOMPARE(radio.isSearching(), false);

        QCOMPARE(spy.count(), 0);

    }

    radio.stop();

}

void tst_QRadioTuner::testBand()

{

    QVERIFY(radio->isBandSupported(QRadioTuner::FM));

    QVERIFY(!radio->isBandSupported(QRadioTuner::SW));

    if(radio->isBandSupported(QRadioTuner::AM)) {

        QSignalSpy readSignal(radio, SIGNAL(bandChanged(QRadioTuner::Band)));

        radio->setBand(QRadioTuner::AM);

        QTestEventLoop::instance().enterLoop(1);

        QVERIFY(radio->band() == QRadioTuner::AM);

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

    }

}

void tst_QRadioTuner::testFrequency()

{

    QSignalSpy readSignal(radio, SIGNAL(frequencyChanged(int)));

    radio->setFrequency(104500000);

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(radio->frequency() == 104500000);

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

    QVERIFY(radio->frequencyStep(QRadioTuner::FM) == 1);

    QPair<int,int> test = radio->frequencyRange(QRadioTuner::FM);

    QVERIFY(test.first == 1);

    QVERIFY(test.second == 2);

}

void tst_QRadioTuner::testMute()

{

    QSignalSpy readSignal(radio, SIGNAL(mutedChanged(bool)));

    radio->setMuted(true);

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(radio->isMuted());

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

}

void tst_QRadioTuner::testSearch()

{

    QSignalSpy readSignal(radio, SIGNAL(searchingChanged(bool)));

    QVERIFY(!radio->isSearching());

    radio->searchForward();

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(radio->isSearching());

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

    radio->cancelSearch();

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(!radio->isSearching());

    QVERIFY(readSignal.count() == 2);

    radio->searchBackward();

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(radio->isSearching());

    QVERIFY(readSignal.count() == 3);

    radio->cancelSearch();

    QVERIFY(!radio->isSearching());

}

void tst_QRadioTuner::testVolume()

{

    QVERIFY(radio->volume() == 100);

    QSignalSpy readSignal(radio, SIGNAL(volumeChanged(int)));

    radio->setVolume(50);

    QTestEventLoop::instance().enterLoop(1);

    QVERIFY(radio->volume() == 50);

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

}

void tst_QRadioTuner::testSignal()

{

    QVERIFY(radio->signalStrength() == 0);

    // There is no set of this only a get, do nothing else.

}

void tst_QRadioTuner::testStereo()

{

    QVERIFY(radio->isStereo());

    radio->setStereoMode(QRadioTuner::ForceMono);

    QVERIFY(radio->stereoMode() == QRadioTuner::ForceMono);

}

QTEST_MAIN(tst_QRadioTuner)

#include "tst_qradiotuner.moc"