/*
 * Copyright (C) 2007 Sipwise GmbH
 * Based on the concept of "announcement", Copyright (C) 2002-2003 Fhg Fokus
 *
 * This file is part of SEMS, a free SIP media server.
 *
 * SEMS 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.
 *
 * For a license to use the sems software under conditions
 * other than those described here, or to purchase support for this
 * software, please contact iptel.org by e-mail at the following addresses:
 *    info@iptel.org
 *
 * SEMS 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _CLICK_2_DIAL_H_
#define _CLICK_2_DIAL_H_

#include "AmSession.h"
#include "AmConfigReader.h"
#include "AmAudioFile.h"
#include "AmB2BSession.h"

#include "AmUACAuth.h"

#include <string>
using std::string;

class Click2DialFactory: public AmSessionFactory
{
  string getAnnounceFile(const AmSipRequest& req);

  public:

    static string AnnouncePath;
    static string AnnounceFile;
    static AmSessionEventHandler* AuthHandler;

    static bool relay_early_media_sdp;

    Click2DialFactory(const string& _app_name);

    int onLoad();
    AmSession* onInvite(const AmSipRequest& req, const string& app_name,
			const map<string,string>& app_params);
    AmSession* onInvite(const AmSipRequest& req, const string& app_name, AmArg& session_params);
};

class C2DCallerDialog: public AmB2BCallerSession, public CredentialHolder
{
  AmAudioFile wav_file;
  string filename;
  string callee_uri;
  std::auto_ptr<UACAuthCred> cred;

  public:

    C2DCallerDialog(const AmSipRequest& req, const string& filename,
      const string& callee_uri, UACAuthCred* credentials = NULL);

    void process(AmEvent* event);
    void onInvite(const AmSipRequest& req);
    void onInvite2xx(const AmSipReply& reply);
    void onSessionStart();
    void createCalleeSession();
    inline UACAuthCred* getCredentials() { return cred.get(); }
    void onB2BEvent(B2BEvent*);
    void updateUACTransCSeq(unsigned int old_cseq, unsigned int new_cseq);
};

class C2DCalleeDialog : public AmB2BCalleeSession, public CredentialHolder
{
  std::auto_ptr<UACAuthCred> cred;
  void setAuthHandler();

  public:

    C2DCalleeDialog(const AmB2BCallerSession* caller, UACAuthCred* credentials = NULL);
    inline UACAuthCred* getCredentials() { return cred.get(); }
};
#endif                           // _CLICK_2_DIAL_H_
