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#include <QtTest/QtTest>

#include <QDebug>

#include "qlocalmediaplaylistprovider.h"

#include "qmediaplaylistnavigator.h"

QT_USE_NAMESPACE

class tst_QMediaPlaylistNavigator : public QObject

{

    Q_OBJECT

public slots:

    void init();

    void cleanup();

private slots:

    void construction();

    void setPlaylist();

    void linearPlayback();

    void loopPlayback();

    void currentItemOnce();

    void currentItemInLoop();

    void randomPlayback();

};

void tst_QMediaPlaylistNavigator::init()

{

}

void tst_QMediaPlaylistNavigator::cleanup()

{

}

void tst_QMediaPlaylistNavigator::construction()

{

    QLocalMediaPlaylistProvider playlist;

    QCOMPARE(playlist.mediaCount(), 0);

    QMediaPlaylistNavigator navigator(&playlist);

    QVERIFY(navigator.currentItem().isNull());

    QCOMPARE(navigator.currentIndex(), -1);

}

void tst_QMediaPlaylistNavigator::setPlaylist()

{

    QMediaPlaylistNavigator navigator(0);

    QVERIFY(navigator.playlist() != 0);

    QCOMPARE(navigator.playlist()->mediaCount(), 0);

    QCOMPARE(navigator.playlist()->media(0), QMediaContent());

    QVERIFY(navigator.playlist()->isReadOnly() );

    QLocalMediaPlaylistProvider playlist;

    QCOMPARE(playlist.mediaCount(), 0);

    navigator.setPlaylist(&playlist);

    QCOMPARE(navigator.playlist(), (QMediaPlaylistProvider*)&playlist);

    QCOMPARE(navigator.playlist()->mediaCount(), 0);

    QVERIFY(!navigator.playlist()->isReadOnly() );

}

void tst_QMediaPlaylistNavigator::linearPlayback()

{

    QLocalMediaPlaylistProvider playlist;

    QMediaPlaylistNavigator navigator(&playlist);

    navigator.setPlaybackMode(QMediaPlaylist::Linear);

    QTest::ignoreMessage(QtWarningMsg, "QMediaPlaylistNavigator: Jump outside playlist range ");

    navigator.jump(0);//it's ok to have warning here

    QVERIFY(navigator.currentItem().isNull());

    QCOMPARE(navigator.currentIndex(), -1);

    QMediaContent content1(QUrl(QLatin1String("file:///1")));

    playlist.addMedia(content1);

    navigator.jump(0);

    QVERIFY(!navigator.currentItem().isNull());

    QCOMPARE(navigator.currentIndex(), 0);

    QCOMPARE(navigator.currentItem(), content1);

    QCOMPARE(navigator.nextItem(), QMediaContent());

    QCOMPARE(navigator.nextItem(2), QMediaContent());

    QCOMPARE(navigator.previousItem(), QMediaContent());

    QCOMPARE(navigator.previousItem(2), QMediaContent());

    QMediaContent content2(QUrl(QLatin1String("file:///2")));

    playlist.addMedia(content2);

    QCOMPARE(navigator.currentIndex(), 0);

    QCOMPARE(navigator.currentItem(), content1);

    QCOMPARE(navigator.nextItem(), content2);

    QCOMPARE(navigator.nextItem(2), QMediaContent());

    QCOMPARE(navigator.previousItem(), QMediaContent());

    QCOMPARE(navigator.previousItem(2), QMediaContent());

    navigator.jump(1);

    QCOMPARE(navigator.currentIndex(), 1);

    QCOMPARE(navigator.currentItem(), content2);

    QCOMPARE(navigator.nextItem(), QMediaContent());

    QCOMPARE(navigator.nextItem(2), QMediaContent());

    QCOMPARE(navigator.previousItem(), content1);

    QCOMPARE(navigator.previousItem(2), QMediaContent());

    navigator.jump(0);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), 1);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.next();//jump to the first item

    QCOMPARE(navigator.currentIndex(), 0);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.previous();//jump to the last item

    QCOMPARE(navigator.currentIndex(), 1);

}

void tst_QMediaPlaylistNavigator::loopPlayback()

{

    QLocalMediaPlaylistProvider playlist;

    QMediaPlaylistNavigator navigator(&playlist);

    navigator.setPlaybackMode(QMediaPlaylist::Loop);

    QTest::ignoreMessage(QtWarningMsg, "QMediaPlaylistNavigator: Jump outside playlist range ");

    navigator.jump(0);

    QVERIFY(navigator.currentItem().isNull());

    QCOMPARE(navigator.currentIndex(), -1);

    QMediaContent content1(QUrl(QLatin1String("file:///1")));

    playlist.addMedia(content1);

    navigator.jump(0);

    QVERIFY(!navigator.currentItem().isNull());

    QCOMPARE(navigator.currentIndex(), 0);

    QCOMPARE(navigator.currentItem(), content1);

    QCOMPARE(navigator.nextItem(), content1);

    QCOMPARE(navigator.nextItem(2), content1);

    QCOMPARE(navigator.previousItem(), content1);

    QCOMPARE(navigator.previousItem(2), content1);

    QMediaContent content2(QUrl(QLatin1String("file:///2")));

    playlist.addMedia(content2);

    QCOMPARE(navigator.currentIndex(), 0);

    QCOMPARE(navigator.currentItem(), content1);

    QCOMPARE(navigator.nextItem(), content2);

    QCOMPARE(navigator.nextItem(2), content1); //loop over end of the list

    QCOMPARE(navigator.previousItem(), content2);

    QCOMPARE(navigator.previousItem(2), content1);

    navigator.jump(1);

    QCOMPARE(navigator.currentIndex(), 1);

    QCOMPARE(navigator.currentItem(), content2);

    QCOMPARE(navigator.nextItem(), content1);

    QCOMPARE(navigator.nextItem(2), content2);

    QCOMPARE(navigator.previousItem(), content1);

    QCOMPARE(navigator.previousItem(2), content2);

    navigator.jump(0);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), 1);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), 0);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), 1);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), 0);

}

void tst_QMediaPlaylistNavigator::currentItemOnce()

{

    QLocalMediaPlaylistProvider playlist;

    QMediaPlaylistNavigator navigator(&playlist);

    navigator.setPlaybackMode(QMediaPlaylist::CurrentItemOnce);

    QCOMPARE(navigator.playbackMode(), QMediaPlaylist::CurrentItemOnce);

    QCOMPARE(navigator.currentIndex(), -1);

    playlist.addMedia(QMediaContent(QUrl(QLatin1String("file:///1"))));

    playlist.addMedia(QMediaContent(QUrl(QLatin1String("file:///2"))));

    playlist.addMedia(QMediaContent(QUrl(QLatin1String("file:///3"))));

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.jump(1);

    QCOMPARE(navigator.currentIndex(), 1);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.jump(1);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), -1);

}

void tst_QMediaPlaylistNavigator::currentItemInLoop()

{

    QLocalMediaPlaylistProvider playlist;

    QMediaPlaylistNavigator navigator(&playlist);

    navigator.setPlaybackMode(QMediaPlaylist::CurrentItemInLoop);

    QCOMPARE(navigator.playbackMode(), QMediaPlaylist::CurrentItemInLoop);

    QCOMPARE(navigator.currentIndex(), -1);

    playlist.addMedia(QMediaContent(QUrl(QLatin1String("file:///1"))));

    playlist.addMedia(QMediaContent(QUrl(QLatin1String("file:///2"))));

    playlist.addMedia(QMediaContent(QUrl(QLatin1String("file:///3"))));

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.jump(1);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), 1);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), 1);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), 1);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), 1);

}

void tst_QMediaPlaylistNavigator::randomPlayback()

{

    QLocalMediaPlaylistProvider playlist;

    QMediaPlaylistNavigator navigator(&playlist);

    navigator.setPlaybackMode(QMediaPlaylist::Random);

    QCOMPARE(navigator.playbackMode(), QMediaPlaylist::Random);

    QCOMPARE(navigator.currentIndex(), -1);

    playlist.addMedia(QMediaContent(QUrl(QLatin1String("file:///1"))));

    playlist.addMedia(QMediaContent(QUrl(QLatin1String("file:///2"))));

    playlist.addMedia(QMediaContent(QUrl(QLatin1String("file:///3"))));

    playlist.shuffle();

    QCOMPARE(navigator.currentIndex(), -1);

    navigator.next();

    int pos1 = navigator.currentIndex();

    navigator.next();

    int pos2 = navigator.currentIndex();

    navigator.next();

    int pos3 = navigator.currentIndex();

    QVERIFY(pos1 != -1);

    QVERIFY(pos2 != -1);

    QVERIFY(pos3 != -1);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), pos2);

    navigator.next();

    QCOMPARE(navigator.currentIndex(), pos3);

    navigator.next();

    int pos4 = navigator.currentIndex();

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), pos3);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), pos2);

    navigator.previous();

    QCOMPARE(navigator.currentIndex(), pos1);

    navigator.previous();

    int pos0 = navigator.currentIndex();

    QVERIFY(pos0 != -1);

    navigator.next();

    navigator.next();

    navigator.next();

    navigator.next();

    QCOMPARE(navigator.currentIndex(), pos4);

}

QTEST_MAIN(tst_QMediaPlaylistNavigator)

#include "tst_qmediaplaylistnavigator.moc"