#include <fstream>
#include <iostream>

#include "../mount_astrom.h"


int main(int argc, char* argv[])
{
    int ecode = 0;

    if (argc < 2) {
        std::cerr << "Usage: " << argv[0] << " bulletinA-filename\n";
        exit(1);
    }

    std::ifstream ist(argv[1]);
    if (!ist) {
        std::cerr << "Invalid filename!\n";
        exit(1);
    }


    mcc::astrom::MccIersBulletinA bullA;
    bullA.dump(std::cout);

    std::cout << "\n\n";

    mcc::astrom::MccLeapSeconds lps;
    lps.dump(std::cout);

    std::cout << "\n\n";

    bool ok = bullA.load(ist);
    bullA.dump(std::cerr);

    ist.close();

    std::cout << "\n\n\n------------------\n";

    auto now = std::chrono::system_clock::now();
    std::cout << "LEAP SECS for now: " << lps[now].value_or(std::numeric_limits<double>::quiet_NaN()) << "\n";

    std::cout << "DUT1 for now: " << bullA.DUT1(now).value_or(std::numeric_limits<double>::quiet_NaN()) << " (" << now
              << ")\n";

    double mjd = 61077.4;

    std::cout << "DUT1 for MJD = " << mjd << ": " << bullA.DUT1(mjd).value_or(std::numeric_limits<double>::quiet_NaN())
              << "\n";


    auto st = mcc::astrom::mcc_julday(now, mjd);
    std::cout << "MJD for now: " << std::setprecision(19) << mjd << " (" << now << ")\n";


    return ecode;
}