// -*- c++ -*-

/*!
 *
 * Copyright (C) 2015 Jolla Ltd.
 *
 * Contact: Valerio Valerio <valerio.valerio@jolla.com>
 * Author: Andres Gomez <andres.gomez@jolla.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */


#ifndef MPRISMANAGER_H
#define MPRISMANAGER_H

#include "mprisqt.h"
#include "mpris.h"
#include "mpriscontroller.h"

#include <QDBusConnection>
#include <QDBusObjectPath>

#include <QtCore/QByteArray>
#include <QtCore/QList>
#include <QtCore/QMap>
#include <QtCore/QObject>
#include <QtCore/QSharedPointer>
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <QtCore/QVariant>

class QSignalMapper;
class MPRIS_QT_EXPORT MprisManager : public QObject
{
    Q_OBJECT

    Q_PROPERTY(bool singleService READ singleService WRITE setSingleService NOTIFY singleServiceChanged)
    Q_PROPERTY(QString currentService READ currentService WRITE setCurrentService NOTIFY currentServiceChanged)
    Q_PROPERTY(QStringList availableServices READ availableServices NOTIFY availableServicesChanged)

    // Mpris2 Root Interface
    Q_PROPERTY(bool canQuit READ canQuit NOTIFY canQuitChanged)
    Q_PROPERTY(bool canRaise READ canRaise NOTIFY canRaiseChanged)
    Q_PROPERTY(bool canSetFullscreen READ canSetFullscreen NOTIFY canSetFullscreenChanged)
    Q_PROPERTY(QString desktopEntry READ desktopEntry NOTIFY desktopEntryChanged)
    Q_PROPERTY(bool fullscreen READ fullscreen WRITE setFullscreen NOTIFY fullscreenChanged)
    Q_PROPERTY(bool hasTrackList READ hasTrackList NOTIFY hasTrackListChanged)
    Q_PROPERTY(QString identity READ identity NOTIFY identityChanged)
    Q_PROPERTY(QStringList supportedUriSchemes READ supportedUriSchemes NOTIFY supportedUriSchemesChanged)
    Q_PROPERTY(QStringList supportedMimeTypes READ supportedMimeTypes NOTIFY supportedMimeTypesChanged)

    // Mpris2 Player Interface
    Q_PROPERTY(bool canControl READ canControl NOTIFY canControlChanged)
    Q_PROPERTY(bool canGoNext READ canGoNext NOTIFY canGoNextChanged)
    Q_PROPERTY(bool canGoPrevious READ canGoPrevious NOTIFY canGoPreviousChanged)
    Q_PROPERTY(bool canPause READ canPause NOTIFY canPauseChanged)
    Q_PROPERTY(bool canPlay READ canPlay NOTIFY canPlayChanged)
    Q_PROPERTY(bool canSeek READ canSeek NOTIFY canSeekChanged)
    Q_PROPERTY(Mpris::LoopStatus loopStatus READ loopStatus WRITE setLoopStatus NOTIFY loopStatusChanged)
    Q_PROPERTY(double maximumRate READ maximumRate NOTIFY maximumRateChanged)
    Q_PROPERTY(QVariantMap metadata READ metadata NOTIFY metadataChanged)
    Q_PROPERTY(double minimumRate READ minimumRate NOTIFY minimumRateChanged)
    Q_PROPERTY(Mpris::PlaybackStatus playbackStatus READ playbackStatus NOTIFY playbackStatusChanged)
    Q_PROPERTY(qlonglong position READ position)
    Q_PROPERTY(double rate READ rate WRITE setRate NOTIFY rateChanged)
    Q_PROPERTY(bool shuffle READ shuffle WRITE setShuffle NOTIFY shuffleChanged)
    Q_PROPERTY(double volume READ volume WRITE setVolume NOTIFY volumeChanged)

public:

    MprisManager(QObject *parent = 0);
    ~MprisManager();

    // Mpris2 Root Interface
    Q_INVOKABLE bool quit() const;
    Q_INVOKABLE bool raise() const;

    // Mpris2 Player Interface
    Q_INVOKABLE bool next() const;
    Q_INVOKABLE bool openUri(const QUrl &uri) const;
    Q_INVOKABLE bool pause() const;
    Q_INVOKABLE bool play() const;
    Q_INVOKABLE bool playPause() const;
    Q_INVOKABLE bool previous() const;
    Q_INVOKABLE bool seek(qlonglong offset) const;
    Q_INVOKABLE bool setPosition(qlonglong position) const;
    Q_INVOKABLE bool setPosition(const QString &trackId, qlonglong position) const;
    Q_INVOKABLE bool stop() const;

public Q_SLOTS:

    bool singleService() const;
    void setSingleService(bool single);

    QString currentService() const;
    void setCurrentService(const QString &service);

    QStringList availableServices() const;

    // Mpris2 Root Interface
    bool canQuit() const;

    bool canRaise() const;

    bool canSetFullscreen() const;

    QString desktopEntry() const;

    bool fullscreen() const;
    void setFullscreen(bool fullscreen);

    bool hasTrackList() const;

    QString identity() const;

    QStringList supportedUriSchemes() const;

    QStringList supportedMimeTypes() const;

    // Mpris2 Player Interface
    bool canControl() const;

    bool canGoNext() const;

    bool canGoPrevious() const;

    bool canPause() const;

    bool canPlay() const;

    bool canSeek() const;

    Mpris::LoopStatus loopStatus() const;
    void setLoopStatus(Mpris::LoopStatus loopStatus);

    double maximumRate() const;

    QVariantMap metadata() const;

    double minimumRate() const;

    Mpris::PlaybackStatus playbackStatus() const;

    qlonglong position() const;
    void requestPosition() const;

    double rate() const;
    void setRate(double rate);

    bool shuffle() const;
    void setShuffle(bool shuffle);

    double volume() const;
    void setVolume(double volume);

Q_SIGNALS:
    void singleServiceChanged();
    void currentServiceChanged();
    void availableServicesChanged();

    // Mpris2 Root Interface
    void canQuitChanged();
    void canRaiseChanged();
    void canSetFullscreenChanged();
    void desktopEntryChanged();
    void fullscreenChanged();
    void hasTrackListChanged();
    void identityChanged();
    void supportedUriSchemesChanged();
    void supportedMimeTypesChanged();

    // Mpris2 Player Interface
    void canControlChanged();
    void canGoNextChanged();
    void canGoPreviousChanged();
    void canPauseChanged();
    void canPlayChanged();
    void canSeekChanged();
    void loopStatusChanged();
    void maximumRateChanged();
    void metadataChanged();
    void minimumRateChanged();
    void playbackStatusChanged();
    void positionChanged(qlonglong position);
    void rateChanged();
    void shuffleChanged();
    void volumeChanged();
    void seeked(qlonglong position);

private Q_SLOTS:
    void onNameOwnerChanged(const QString &service, const QString &oldOwner, const QString& newOwner);
    void onServiceAppeared(const QString &service);
    void onServiceVanished(const QString &service);
    void onAvailableControllerPlaybackStatusChanged(const QString &service);

private:
    QSharedPointer<MprisController> availableController(const QString &service);
    void setCurrentController(QSharedPointer<MprisController> controller);
    bool checkController(const char *callerName) const;

    bool m_singleService;
    QSharedPointer<MprisController> m_currentController;
    QList< QSharedPointer<MprisController> > m_availableControllers;
    QList< QSharedPointer<MprisController> > m_otherPlayingControllers;
    QSignalMapper *m_playbackStatusMapper;
};

#endif /* MPRISMANAGER_H */