/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 */

#pragma once

#include <memory>

#include <utility>

#include <vector>

#include <osl/socket_decl.hxx>

#include <salhelper/thread.hxx>

#include <sddllapi.h>

namespace osl { class Mutex; }

namespace com::sun::star::presentation { class XSlideShowController; }

namespace com::sun::star::uno { template <class interface_type> class Reference; }

/**

* The port for use for the main communication between LibO and remote control app.

*/

#define PORT 1599

namespace sd

{

    class BufferedStreamSocket;

    class Communicator;

    struct ClientInfo

    {

        OUString mName;

        bool mbIsAlreadyAuthorised;

        ClientInfo( OUString aName,

                    const bool bIsAlreadyAuthorised ) :

            mName(std::move( aName )),

            mbIsAlreadyAuthorised( bIsAlreadyAuthorised ) {}

        virtual ~ClientInfo() {};

    };

    struct ClientInfoInternal;

    class RemoteServer final

    {

        public:

            // For slideshowimpl to inform us.

            static void presentationStarted( const css::uno::Reference<

                css::presentation::XSlideShowController > &rController );

            static void presentationStopped();

            /// ensure that discoverability (eg. for Bluetooth) is enabled

            SD_DLLPUBLIC static void ensureDiscoverable();

            /// restore the state of discoverability from before ensureDiscoverable

            SD_DLLPUBLIC static void restoreDiscoverable();

            // For the communicator

            static void removeCommunicator( Communicator const * pCommunicator );

        //private:

            // these are public because 3 classes and a function need access

            static ::osl::Mutex sDataMutex;

            static ::std::vector<Communicator*> sCommunicators;

    };

    class IPRemoteServer final : public salhelper::Thread

    {

        public:

            // Internal setup

            static void setup();

            // For the control dialog

            SD_DLLPUBLIC static std::vector<std::shared_ptr<ClientInfo>> getClients();

            SD_DLLPUBLIC static bool connectClient(const std::shared_ptr<ClientInfo>& pClient,

                                                   std::u16string_view aPin);

            SD_DLLPUBLIC static void deauthoriseClient(const std::shared_ptr<ClientInfo>& pClient);

            void execute() override;

            void handleAcceptedConnection( BufferedStreamSocket *pSocket ) ;

        private:

            IPRemoteServer();

            virtual ~IPRemoteServer() override;

            osl::AcceptorSocket mSocket;

            ::std::vector<std::shared_ptr<ClientInfoInternal>> mAvailableClients;

            friend class RemoteServer;

            static IPRemoteServer *spServer;

    };

}

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