/*!
 * \file rtcm_printer.h
 * \brief Interface of a RTCM 3.2 printer for GNSS-SDR
 * This class provides a implementation of a subset of the RTCM Standard 10403.2
 * for Differential GNSS Services
 *
 * \author Carles Fernandez-Prades, 2014. cfernandez(at)cttc.es
 *
 * -------------------------------------------------------------------------
 *
 * Copyright (C) 2010-2018  (see AUTHORS file for a list of contributors)
 *
 * GNSS-SDR is a software defined Global Navigation
 *          Satellite Systems receiver
 *
 * This file is part of GNSS-SDR.
 *
 * GNSS-SDR 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.
 *
 * GNSS-SDR 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 GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
 *
 * -------------------------------------------------------------------------
 */

#ifndef GNSS_SDR_RTCM_PRINTER_H_
#define GNSS_SDR_RTCM_PRINTER_H_

#include "rtcm.h"
#include <fstream>  // std::ofstream
#include <memory>   // std::shared_ptr


/*!
 * \brief This class provides a implementation of a subset of the RTCM Standard 10403.2 messages
 */
class Rtcm_Printer
{
public:
    /*!
     * \brief Default constructor.
     */
    Rtcm_Printer(std::string filename, bool flag_rtcm_server, bool flag_rtcm_tty_port, unsigned short rtcm_tcp_port, unsigned short rtcm_station_id, std::string rtcm_dump_filename, bool time_tag_name = true);

    /*!
     * \brief Default destructor.
     */
    ~Rtcm_Printer();

    bool Print_Rtcm_MT1001(const Gps_Ephemeris& gps_eph, double obs_time, const std::map<int, Gnss_Synchro>& observables);
    bool Print_Rtcm_MT1002(const Gps_Ephemeris& gps_eph, double obs_time, const std::map<int, Gnss_Synchro>& observables);
    bool Print_Rtcm_MT1003(const Gps_Ephemeris& gps_eph, const Gps_CNAV_Ephemeris& cnav_eph, double obs_time, const std::map<int, Gnss_Synchro>& observables);
    bool Print_Rtcm_MT1004(const Gps_Ephemeris& gps_eph, const Gps_CNAV_Ephemeris& cnav_eph, double obs_time, const std::map<int, Gnss_Synchro>& observables);
    /*!
     * \brief Prints L1-Only GLONASS RTK Observables
     * \details This GLONASS message type is not generally used or supported; type 1012 is to be preferred.
     * \note Code added as part of GSoC 2017 program
     * \param glonass_gnav_eph GLONASS GNAV Broadcast Ephemeris
     * \param obs_time Time of observation at the moment of printing
     * \param observables Set of observables as defined by the platform
     * \return true or false upon operation success
     */
    bool Print_Rtcm_MT1009(const Glonass_Gnav_Ephemeris& glonass_gnav_eph, double obs_time, const std::map<int, Gnss_Synchro>& observables);
    /*!
     * \brief Prints Extended L1-Only GLONASS RTK Observables
     * \details This GLONASS message type is used when only L1 data is present and bandwidth is very tight, often 1012 is used in such cases.
     * \note Code added as part of GSoC 2017 program
     * \param glonass_gnav_eph GLONASS GNAV Broadcast Ephemeris
     * \param obs_time Time of observation at the moment of printing
     * \param observables Set of observables as defined by the platform
     * \return true or false upon operation success
     */
    bool Print_Rtcm_MT1010(const Glonass_Gnav_Ephemeris& glonass_gnav_eph, double obs_time, const std::map<int, Gnss_Synchro>& observables);
    /*!
     * \brief Prints L1&L2 GLONASS RTK Observables
     * \details This GLONASS message type is not generally used or supported; type 1012 is to be preferred
     * \note Code added as part of GSoC 2017 program
     * \param glonass_gnav_ephL1 GLONASS L1 GNAV Broadcast Ephemeris for satellite
     * \param glonass_gnav_ephL2 GLONASS L2 GNAV Broadcast Ephemeris for satellite
     * \param obs_time Time of observation at the moment of printing
     * \param observables Set of observables as defined by the platform
     * \return true or false upon operation success
     */
    bool Print_Rtcm_MT1011(const Glonass_Gnav_Ephemeris& glonass_gnav_ephL1, const Glonass_Gnav_Ephemeris& glonass_gnav_ephL2, double obs_time, const std::map<int, Gnss_Synchro>& observables);
    /*!
     * \brief Prints Extended L1&L2 GLONASS RTK Observables
     * \details This GLONASS message type is the most common observational message type, with L1/L2/SNR content.  This is one of the most common messages found.
     * \note Code added as part of GSoC 2017 program
     * \param glonass_gnav_ephL1 GLONASS L1 GNAV Broadcast Ephemeris for satellite
     * \param glonass_gnav_ephL2 GLONASS L2 GNAV Broadcast Ephemeris for satellite
     * \param obs_time Time of observation at the moment of printing
     * \param observables Set of observables as defined by the platform
     * \return true or false upon operation success
     */
    bool Print_Rtcm_MT1012(const Glonass_Gnav_Ephemeris& glonass_gnav_ephL1, const Glonass_Gnav_Ephemeris& glonass_gnav_ephL2, double obs_time, const std::map<int, Gnss_Synchro>& observables);

    bool Print_Rtcm_MT1019(const Gps_Ephemeris& gps_eph);      //<! GPS Ephemeris, should be broadcast in the event that the IODC does not match the IODE, and every 2 minutes.
    bool Print_Rtcm_MT1045(const Galileo_Ephemeris& gal_eph);  //<! Galileo Ephemeris, should be broadcast every 2 minutes
    /*!
     * \brief Prints GLONASS GNAV Ephemeris
     * \details This GLONASS message should be broadcast every 2 minutes
     * \note Code added as part of GSoC 2017 program
     * \param glonass_gnav_eph GLONASS GNAV Broadcast Ephemeris
     * \param utc_model GLONASS GNAV Clock Information broadcast in string 5
     * \return true or false upon operation success
     */
    bool Print_Rtcm_MT1020(const Glonass_Gnav_Ephemeris& glo_gnav_eph, const Glonass_Gnav_Utc_Model& utc_model);

    bool Print_Rtcm_MSM(unsigned int msm_number,
        const Gps_Ephemeris& gps_eph,
        const Gps_CNAV_Ephemeris& gps_cnav_eph,
        const Galileo_Ephemeris& gal_eph,
        const Glonass_Gnav_Ephemeris& glo_gnav_eph,
        double obs_time,
        const std::map<int, Gnss_Synchro>& observables,
        unsigned int clock_steering_indicator,
        unsigned int external_clock_indicator,
        int smooth_int,
        bool divergence_free,
        bool more_messages);

    std::string print_MT1005_test();  //<!  For testing purposes
    unsigned int lock_time(const Gps_Ephemeris& eph, double obs_time, const Gnss_Synchro& gnss_synchro);
    unsigned int lock_time(const Gps_CNAV_Ephemeris& eph, double obs_time, const Gnss_Synchro& gnss_synchro);
    unsigned int lock_time(const Galileo_Ephemeris& eph, double obs_time, const Gnss_Synchro& gnss_synchro);
    /*!
     * \brief Locks time for logging given GLONASS GNAV Broadcast Ephemeris
     * \note Code added as part of GSoC 2017 program
     * \params glonass_gnav_eph GLONASS GNAV Broadcast Ephemeris
     * \params obs_time Time of observation at the moment of printing
     * \params observables Set of observables as defined by the platform
     * \return locked time during logging process
     */
    unsigned int lock_time(const Glonass_Gnav_Ephemeris& eph, double obs_time, const Gnss_Synchro& gnss_synchro);

private:
    std::string rtcm_filename;           // String with the RTCM log filename
    std::ofstream rtcm_file_descriptor;  // Output file stream for RTCM log file
    std::string rtcm_devname;
    unsigned short port;
    unsigned short station_id;
    int rtcm_dev_descriptor;                     // RTCM serial device descriptor (i.e. COM port)
    int init_serial(std::string serial_device);  //serial port control
    void close_serial();
    std::shared_ptr<Rtcm> rtcm;
    bool Print_Message(const std::string& message);
};

#endif