/*
 *  Copyright (C) 2004-2020 Savoir-faire Linux Inc.
 *
 *  Author: Patrick Keroulas  <patrick.keroulas@savoirfairelinux.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 3 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 SERVERPRESENCESUB_H
#define SERVERPRESENCESUB_H

#include <pj/string.h>
#include <pjsip/sip_types.h>
#include <pjsip-simple/evsub.h>
#include <pjsip-simple/presence.h>
#include <pjsip/sip_module.h>

#include "noncopyable.h"
#include "array_size.h"

namespace jami {

extern pj_bool_t pres_on_rx_subscribe_request(pjsip_rx_data* rdata);

class SIPPresence;

class PresSubServer
{
public:
    PresSubServer(SIPPresence* pres, pjsip_evsub* evsub, const char* remote, pjsip_dialog* d);
    ~PresSubServer();
    /*
     * Access to the evsub expire variable.
     * It was received in the SUBSCRIBE request.
     */
    void setExpires(int ms);
    int getExpires() const;
    /*
     * Match method
     * s is the URI (remote)
     */
    bool matches(const char* s) const;
    /*
     * Allow the subscriber for being notified.
     */
    void approve(bool flag);
    /*
     * Notify subscriber with the pres_status_date of the account
     */
    void notify();

    static pjsip_module mod_presence_server;

private:
    static pj_bool_t pres_on_rx_subscribe_request(pjsip_rx_data* rdata);
    static void pres_evsub_on_srv_state(pjsip_evsub* sub, pjsip_event* event);

    NON_COPYABLE(PresSubServer);
    /* TODO: add '< >' to URI for consistency */
    const char* remote_; /**< Remote URI.                */
    SIPPresence* pres_;
    pjsip_evsub* sub_;
    pjsip_dialog* dlg_;
    int expires_;
    bool approved_;
};

} // namespace jami

#endif /* SERVERPRESENCESUB_H */
