/***************************************************************************
 *   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 BTAUTHENTICATE_H
#define BTAUTHENTICATE_H


#include <util/sha1hash.h>
#include <peer/peerid.h>
#include <peer/peerconnector.h>
#include "authenticatebase.h"


namespace net
{
class Socks;
}

namespace bt
{


/**
 * @author Joris Guisson
 * @brief Authenicate a peer
 *
 * After we connect to a peer,
 * we need to authenticate the peer. This class handles this.
 */
class Authenticate : public AuthenticateBase
{
    Q_OBJECT
public:
    /**
     * Connect to a remote host first and authenicate it.
     * @param addr Address to connect to
     * @param proto Transport protocol to use
     * @param info_hash Info hash
     * @param peer_id Peer ID
     * @param pman PeerManager
     */
    Authenticate(const net::Address & addr, TransportProtocol proto,
                 const SHA1Hash & info_hash, const PeerID & peer_id,
                 PeerConnector::WPtr pcon);

    ~Authenticate() override;

    const PeerID & getPeerID() const
    {
        return peer_id;
    }

    /// See if the authentication is succesfull
    bool isSuccesfull() const
    {
        return succes;
    }

public Q_SLOTS:
    /// Stop the authentication
    void stop();

protected Q_SLOTS:
    void onReadyWrite() override;
    void onReadyRead() override;

protected:
    void onFinish(bool succes) override;
    void handshakeReceived(bool full) override;
    virtual void connected();

protected:
    SHA1Hash info_hash;
    PeerID our_peer_id, peer_id;
    net::Address addr;
    bool succes;
    PeerConnector::WPtr pcon;
    net::Socks* socks;
};
}

#endif
