#pragma once

/*  MOUNT CONTROL COMPONENTS LIBRARY  */

/*  ERFA-LIBRARY WRAPPER FUNCTIONS  */

#include "mcc_mount_coord.h"

namespace mcc::erfa
{

#include <erfa.h>
#include <erfam.h>


/*
 * hour angle and declination to azimuth and altitude
 *
 */
template <std::convertible_to<MccAngleHA> HaT,
          std::convertible_to<MccAngleDEC_APP> DecT,
          std::convertible_to<MccAngleLAT> LatT,
          std::convertible_to<MccAngleAZ> AzT,
          std::convertible_to<MccAngleALT> AltT>
void hadec2azalt(const HaT& ha, const DecT& dec, const LatT& lat, AzT& az, AltT& alt)
{
    double az_d, alt_d;

    eraHd2ae(ha, dec, lat, &az_d, &alt_d);
    az = az_d;
    alt = alt_d;
}

template <std::convertible_to<MccAngleHA> HaT,
          std::convertible_to<MccAngleDEC_APP> DecT,
          std::convertible_to<MccAngleLAT> LatT>
MccAngle hadec2pa(const HaT& ha, const DecT& dec, const LatT& lat)
{
    return eraHd2pa(ha, dec, lat);
}



}  // namespace mcc::erfa