/*!
 * \file spirent_motion_csv_dump_reader.cc
 * \brief Helper file for unit testing
 * \author Javier Arribas, 2017. jarribas(at)cttc.es
 *
 * -----------------------------------------------------------------------------
 *
 * GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
 * This file is part of GNSS-SDR.
 *
 * Copyright (C) 2010-2020  (see AUTHORS file for a list of contributors)
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * -----------------------------------------------------------------------------
 */

#include "spirent_motion_csv_dump_reader.h"
#include <boost/tokenizer.hpp>
#include <exception>
#include <iostream>
#include <utility>


Spirent_Motion_Csv_Dump_Reader::Spirent_Motion_Csv_Dump_Reader()
    : header_lines(2),
      TOW_ms(0.0),
      Pos_X(0.0),
      Pos_Y(0.0),
      Pos_Z(0.0),
      Vel_X(0.0),
      Vel_Y(0.0),
      Vel_Z(0.0),
      Acc_X(0.0),
      Acc_Y(0.0),
      Acc_Z(0.0),
      Jerk_X(0.0),
      Jerk_Y(0.0),
      Jerk_Z(0.0),
      Lat(0.0),
      Long(0.0),
      Height(0.0),
      Heading(0.0),
      Elevation(0.0),
      Bank(0.0),
      Ang_vel_X(0.0),
      Ang_vel_Y(0.0),
      Ang_vel_Z(0.0),
      Ang_acc_X(0.0),
      Ang_acc_Y(0.0),
      Ang_acc_Z(0.0),
      Ant1_Pos_X(0.0),
      Ant1_Pos_Y(0.0),
      Ant1_Pos_Z(0.0),
      Ant1_Vel_X(0.0),
      Ant1_Vel_Y(0.0),
      Ant1_Vel_Z(0.0),
      Ant1_Acc_X(0.0),
      Ant1_Acc_Y(0.0),
      Ant1_Acc_Z(0.0),
      Ant1_Lat(0.0),
      Ant1_Long(0.0),
      Ant1_Height(0.0),
      Ant1_DOP(0.0)
{
}


Spirent_Motion_Csv_Dump_Reader::~Spirent_Motion_Csv_Dump_Reader()
{
    try
        {
            if (d_dump_file.is_open() == true)
                {
                    d_dump_file.close();
                }
        }
    catch (const std::ifstream::failure &e)
        {
            std::cerr << "Problem closing Spirent CSV dump Log file: " << d_dump_filename << '\n';
        }
    catch (const std::exception &e)
        {
            std::cerr << e.what() << '\n';
        }
}


bool Spirent_Motion_Csv_Dump_Reader::read_csv_obs()
{
    try
        {
            std::vector<double> vec;
            std::string line;
            if (getline(d_dump_file, line))
                {
                    boost::tokenizer<boost::escaped_list_separator<char>> tk(
                        line, boost::escaped_list_separator<char>('\\', ',', '\"'));
                    for (boost::tokenizer<boost::escaped_list_separator<char>>::iterator i(
                             tk.begin());
                        i != tk.end(); ++i)
                        {
                            try
                                {
                                    vec.push_back(std::stod(*i));
                                }
                            catch (const std::exception &ex)
                                {
                                    vec.push_back(0.0);
                                }
                        }
                    parse_vector(vec);
                }
        }
    catch (const std::ifstream::failure &e)
        {
            return false;
        }
    return true;
}


bool Spirent_Motion_Csv_Dump_Reader::parse_vector(std::vector<double> &vec)
{
    try
        {
            int n = 0;
            TOW_ms = vec.at(n++);
            Pos_X = vec.at(n++);
            Pos_Y = vec.at(n++);
            Pos_Z = vec.at(n++);
            Vel_X = vec.at(n++);
            Vel_Y = vec.at(n++);
            Vel_Z = vec.at(n++);
            Acc_X = vec.at(n++);
            Acc_Y = vec.at(n++);
            Acc_Z = vec.at(n++);
            Jerk_X = vec.at(n++);
            Jerk_Y = vec.at(n++);
            Jerk_Z = vec.at(n++);
            Lat = vec.at(n++);
            Long = vec.at(n++);
            Height = vec.at(n++);
            Heading = vec.at(n++);
            Elevation = vec.at(n++);
            Bank = vec.at(n++);
            Ang_vel_X = vec.at(n++);
            Ang_vel_Y = vec.at(n++);
            Ang_vel_Z = vec.at(n++);
            Ang_acc_X = vec.at(n++);
            Ang_acc_Y = vec.at(n++);
            Ang_acc_Z = vec.at(n++);
            Ant1_Pos_X = vec.at(n++);
            Ant1_Pos_Y = vec.at(n++);
            Ant1_Pos_Z = vec.at(n++);
            Ant1_Vel_X = vec.at(n++);
            Ant1_Vel_Y = vec.at(n++);
            Ant1_Vel_Z = vec.at(n++);
            Ant1_Acc_X = vec.at(n++);
            Ant1_Acc_Y = vec.at(n++);
            Ant1_Acc_Z = vec.at(n++);
            Ant1_Lat = vec.at(n++);
            Ant1_Long = vec.at(n++);
            Ant1_Height = vec.at(n++);
            Ant1_DOP = vec.at(n++);
            return true;
        }
    catch (const std::exception &ex)
        {
            return false;
        }
}


bool Spirent_Motion_Csv_Dump_Reader::restart()
{
    if (d_dump_file.is_open())
        {
            d_dump_file.clear();
            d_dump_file.seekg(0, std::ios::beg);
            std::string line;
            for (int n = 0; n < header_lines; n++)
                {
                    getline(d_dump_file, line);
                }
            return true;
        }
    return false;
}


int64_t Spirent_Motion_Csv_Dump_Reader::num_epochs()
{
    int64_t nepoch = 0LL;
    std::string line;
    std::ifstream tmpfile(d_dump_filename.c_str());
    if (tmpfile.is_open())
        {
            while (std::getline(tmpfile, line))
                {
                    ++nepoch;
                }
            return nepoch - header_lines;
        }
    return 0;
}


bool Spirent_Motion_Csv_Dump_Reader::open_obs_file(std::string out_file)
{
    if (d_dump_file.is_open() == false)
        {
            try
                {
                    d_dump_filename = std::move(out_file);
                    d_dump_file.exceptions(std::ifstream::failbit | std::ifstream::badbit);
                    d_dump_file.open(d_dump_filename.c_str());
                    std::string line;
                    for (int n = 0; n < header_lines; n++)
                        {
                            getline(d_dump_file, line);
                        }
                    return true;
                }
            catch (const std::ifstream::failure &e)
                {
                    std::cout << "Problem opening Spirent CSV dump Log file: " << d_dump_filename << '\n';
                    return false;
                }
        }
    else
        {
            return false;
        }
}


void Spirent_Motion_Csv_Dump_Reader::close_obs_file()
{
    try
        {
            if (d_dump_file.is_open() == true)
                {
                    d_dump_file.close();
                }
        }
    catch (const std::ifstream::failure &e)
        {
            std::cerr << "Problem closing Spirent CSV dump Log file: " << d_dump_filename << '\n';
        }
    catch (const std::exception &e)
        {
            std::cerr << e.what() << '\n';
        }
}
