/* Copyright (C) 2020
 * swift Project Community / Contributors
 *
 * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
 * or distributed except according to the terms contained in the LICENSE file.
 */

//! \file

#ifndef BLACKMISC_SHAREDSTATE_DBUS_DUPLEXIMPL_H
#define BLACKMISC_SHAREDSTATE_DBUS_DUPLEXIMPL_H

#include "blackmisc/sharedstate/dbus/duplex.h"
#include <functional>

namespace BlackMisc
{
    class CIdentifier;
    class CDBusServer;

    namespace SharedState
    {
        namespace DBus
        {
            class CHub;

            /*!
             * Server side implementation of IDuplex. Receives messages from clients and forwards them to other clients via the CHub.
             * \ingroup SharedState
             */
            class BLACKMISC_EXPORT CDuplex : public IDuplex
            {
                Q_OBJECT
                Q_CLASSINFO("D-Bus Interface", BLACKMISC_DUPLEX_INTERFACE)

            public:
                //! Constructor.
                CDuplex(CHub *hub, const CIdentifier &client, CDBusServer *server, QObject *parent = nullptr);

                //! Destructor.
                virtual ~CDuplex() override;

            public slots:
                //! \name Interface implementations
                //! @{
                virtual void postEvent(const QString &channel, const BlackMisc::CVariant &param) override;
                virtual void setSubscription(const QString &channel, const BlackMisc::CVariantList &filters) override;
                virtual void requestPeerSubscriptions() override;
                virtual void submitRequest(const QString &channel, const BlackMisc::CVariant &param, quint32 token) override;
                virtual void advertise(const QString &channel) override;
                virtual void withdraw(const QString &channel) override;
                //! @}

            private:
                void requestPeerSubscriptions(const QString &channel);

                CHub *m_hub = nullptr;
                QMap<QString, CVariantList> m_subscriptions;
                QSet<QString> m_handlingChannels;
            };
        }
    }
}

#endif