/***************************************************************************
 *   Copyright (C) 2005 by Joris Guisson                                   *
 *   joris.guisson@gmail.com                                               *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
 ***************************************************************************/
#ifndef BTPEERSOURCEMANAGER_H
#define BTPEERSOURCEMANAGER_H


#include <util/constants.h>
#include <util/waitjob.h>
#include <tracker/tracker.h>
#include <tracker/trackermanager.h>
#include <interfaces/torrentinterface.h>



namespace dht
{
class DHTPeerSource;
}

namespace bt
{
class Torrent;
class TorrentControl;
class PeerSource;

/**
 * @author Joris Guisson <joris.guisson@gmail.com>
 *
 * This class manages all PeerSources.
*/
class PeerSourceManager : public TrackerManager
{
    QList<PeerSource*> additional;
    dht::DHTPeerSource* m_dht;

public:
    PeerSourceManager(TorrentControl* tor, PeerManager* pman);
    ~PeerSourceManager() override;


    /**
     * Add a PeerSource, the difference between PeerSource and Tracker
     * is that only one Tracker can be used at the same time,
     * PeerSource can always be used.
     * @param ps The PeerSource
     */
    void addPeerSource(PeerSource* ps);

    /**
    * Remove a Tracker or PeerSource.
    * @param ps
    */
    void removePeerSource(PeerSource* ps);

    /**
     * See if the PeerSourceManager has been started
     */
    bool isStarted() const
    {
        return started;
    }


    void start() override;
    void stop(WaitJob* wjob = 0) override;
    void completed() override;
    void manualUpdate() override;

    ///Adds DHT as PeerSource for this torrent
    void addDHT();
    ///Removes DHT from PeerSourceManager for this torrent.
    void removeDHT();
    ///Checks if DHT is enabled
    bool dhtStarted();
};

}

#endif
