#include <iostream>

// #include <mcc_ccte_erfa.h>
#include <mcc_coordinate.h>
#include <mcc_serializer.h>

using namespace mcc::impl;

typedef MccGenericSkyPoint<mcc::ccte::erfa::MccCCTE_ERFA> skypt_t;


static skypt_t::ccte_t::engine_state_t saoras{.meteo{.temperature = 0.0, .humidity = 0.5, .pressure = 1010.0},
                                              .wavelength = 0.5,
                                              .lat = 43.646711_degs,
                                              .lon = 41.440732_degs,
                                              .elev = 2100.0};

// skypt_t::cctEngine.setStateERFA(saoras);

static_assert(mcc::mcc_angle_c<double>, "!!!!!!!!!!!!");


template <typename VT>
void serialize(VT const& value)
{
    MccSerializer<VT> ser;
    std::string s;

    auto err = ser(s, value);
    if (err) {
        std::cout << "SERIALIZing ERR: " << err << "\n";
    } else {
        std::cout << "SERIALIZED: " << s << "\n";
    }
}

int main()
{
    skypt_t::cctEngine.setStateERFA(saoras);

    skypt_t pt;
    MccSkyRADEC_ICRS icrs(0.0, 70.0_degs);

    pt = icrs;

    MccSkyRADEC_OBS radec_obs{0.0, 0.0};
    MccSkyRADEC_APP radec_app;
    MccSkyAZALT azalt{0, 0};
    MccSkyAZZD azzd{0, 0};
    MccSkyHADEC_OBS hadec_obs;
    MccAngle eo, lst;

    skypt_t::cctEngine.equationOrigins(radec_obs.epoch(), &eo);
    skypt_t::cctEngine.apparentSideralTime(radec_obs.epoch(), &lst, true);
    std::cout << "EO  = " << eo.sexagesimal(true) << "\n";
    std::cout << "LST = " << lst.sexagesimal(true) << "\n\n";

    pt.to(radec_obs, azalt, azzd, radec_app);

    std::cout << "FROM ICRS TO OBSERVED:\n";
    std::cout << "RA_ICRS  = " << icrs.x().sexagesimal(true) << "\n";
    std::cout << "DEC_ICRS = " << icrs.y().sexagesimal() << "\n";
    std::cout << "OBS COORD EPOCH: " << radec_obs.epoch().UTC() << "\n";
    std::cout << "RA_OBS  = " << radec_obs.x().sexagesimal(true) << "\n";
    std::cout << "DEC_OBS = " << radec_obs.y().sexagesimal() << "\n";
    std::cout << "AZ      = " << azalt.x().sexagesimal() << "\n";
    std::cout << "ALT     = " << azalt.y().sexagesimal() << "\n";
    std::cout << "ZD      = " << azzd.y().sexagesimal() << "\n";
    std::cout << "RA_APP  = " << radec_app.x().sexagesimal(true) << "\n";
    std::cout << "DEC_APP = " << radec_app.y().sexagesimal() << "\n";


    // radec_obs = {10.2387983_degs, "43:21:34.5465"_dms};
    icrs.setX(111.0_degs), icrs.setY(111.0_degs);
    azzd.setX(111.0_degs), azzd.setY(111.0_degs);
    azalt.setX(111.0_degs), azalt.setY(111.0_degs);
    hadec_obs.setX(111.0_degs), hadec_obs.setY(111.0_degs);
    radec_app.setX(111.0_degs), radec_app.setY(111.0_degs);

    pt = radec_obs;
    // pt.to(icrs, azzd, hadec_obs, radec_app);
    pt.to(icrs, radec_app);
    pt.to(radec_obs, hadec_obs, azzd);

    std::cout << "\n\nFROM OBSERVED TO ICRS:\n";
    std::cout << "OBS COORD EPOCH: " << radec_obs.epoch().UTC() << "\n";
    std::cout << "RA_OBS  = " << radec_obs.x().sexagesimal(true) << "\n";
    std::cout << "DEC_OBS = " << radec_obs.y().sexagesimal() << "\n";
    std::cout << "RA_ICRS  = " << icrs.x().sexagesimal(true) << "\n";
    std::cout << "DEC_ICRS = " << icrs.y().sexagesimal() << "\n";

    std::cout << "\n\nFROM OBSERVED TO OBSERVED:\n";
    std::cout << "OBS COORD EPOCH: " << radec_obs.epoch().UTC() << "\n";
    std::cout << "RA_OBS  = " << radec_obs.x().sexagesimal(true) << "\n";
    std::cout << "DEC_OBS = " << radec_obs.y().sexagesimal() << "\n";
    std::cout << "HA_OBS  = " << hadec_obs.x().sexagesimal(true) << "\n";
    std::cout << "AZ      = " << azzd.x().sexagesimal() << "\n";
    std::cout << "ZD      = " << azzd.y().sexagesimal() << "\n";
    std::cout << "RA_APP  = " << radec_app.x().sexagesimal(true) << "\n";
    std::cout << "DEC_APP = " << radec_app.y().sexagesimal() << "\n";

    azalt = pt;
    std::cout << "ALT     = " << azalt.y().sexagesimal() << "\n";

    std::cout << "\nIN DEGREES:\n";
    std::cout << "RA_ICRS  = " << icrs.x().degrees() << "\n";
    std::cout << "DEC_ICRS = " << icrs.y().degrees() << "\n";
    std::cout << "RA_OBS  = " << radec_obs.x().degrees() << "\n";
    std::cout << "DEC_OBS = " << radec_obs.y().degrees() << "\n";
    std::cout << "HA_OBS  = " << hadec_obs.x().degrees() << "\n";
    std::cout << "AZ      = " << azzd.x().degrees() << "\n";
    std::cout << "ZD      = " << azzd.y().degrees() << "\n";
    std::cout << "RA_APP  = " << radec_app.x().degrees() << "\n";
    std::cout << "DEC_APP = " << radec_app.y().degrees() << "\n";


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


    double v = 7.7;

    std::cout << "\tfor 'double' type: ";
    serialize(v);

    std::cout << "\tfor 'coord pair' type: ";
    serialize(radec_obs);

    radec_app = pt;
    // pt.to(radec_app);
    std::cout << "\tfor 'coord pair' type: ";
    serialize(radec_app);

    azzd = pt;
    // pt.to(azzd);
    std::cout << "\tfor 'coord pair' type: ";
    serialize(azzd);

    // pt.from(icrs);
    pt = radec_obs;

    std::cout << "\tfor 'sky point' type: ";
    serialize(pt);

    return 0;
}