#ifndef GERMANAIRLINESVA_FILE_FSUIPC_FSLONGITUDESPANIMPL_H
#define GERMANAIRLINESVA_FILE_FSUIPC_FSLONGITUDESPANIMPL_H

#include "FsLongitudeSpan.h"

namespace germanairlinesva
{
namespace file
{
  namespace FSUIPC
  {
    inline FsLongitudeSpan::FsLongitudeSpan() = default;
    inline FsLongitudeSpan::FsLongitudeSpan(double DecimalDegrees)
    {
      this->span = DecimalDegrees;
    }
    inline FsLongitudeSpan::FsLongitudeSpan(std::int32_t Degrees,
                                            double DecimalMinutes)
        : FsLongitudeSpan(Degrees + DecimalMinutes / 60.0)
    {
    }
    inline FsLongitudeSpan::FsLongitudeSpan(std::int32_t Degrees,
                                            std::int32_t Minutes,
                                            double DecimalSeconds)
        : FsLongitudeSpan(Degrees + Minutes / 60.0 + DecimalSeconds / 3600.0)
    {
    }

    inline FsLongitudeSpan
        FsLongitudeSpan::FromFeet(double Feet, const FsLatitude &AtLatitude)
    {
      double num =
          cos(M_PI * AtLatitude.DecimalDegrees() / 180.0) * 131479672.3 / 360.0;
      return FsLongitudeSpan(Feet / num);
    }
    inline FsLongitudeSpan
        FsLongitudeSpan::FromNauticalMiles(double NauticalMiles,
                                           const FsLatitude &AtLatitude)
    {
      return FsLongitudeSpan::FromFeet(NauticalMiles * 6076.1155, AtLatitude);
    }
    inline FsLongitudeSpan
        FsLongitudeSpan::FromMetres(double Metres, const FsLatitude &AtLatitude)
    {
      return FsLongitudeSpan::FromFeet(Metres * 3.2808, AtLatitude);
    }
    inline FsLongitudeSpan
        FsLongitudeSpan::BetweenTwoLongitudes(const FsLongitude &Lon1,
                                              const FsLongitude &Lon2)
    {
      return fmod(Lon2.UDegrees() - Lon1.UDegrees(), 360.0) <
                     fmod(Lon1.UDegrees() - Lon2.UDegrees(), 360.0)
                 ? FsLongitudeSpan(
                       fmod(Lon2.UDegrees() - Lon1.UDegrees(), 360.0))
                 : FsLongitudeSpan(
                       fmod(Lon1.UDegrees() - Lon2.UDegrees(), 360.0));
    }

    inline double FsLongitudeSpan::DecimalDegrees() const { return this->span; }
    inline double FsLongitudeSpan::DecimalMinutes() const
    {
      return (this->span - trunc(this->span)) * 60.0;
    }
    inline double FsLongitudeSpan::DecimalSeconds() const
    {
      double decimalMinutes = this->DecimalMinutes();
      return (decimalMinutes - trunc(decimalMinutes)) * 60.0;
    }

    inline std::int32_t FsLongitudeSpan::Degrees() const
    {
      return trunc(this->span);
    }
    inline std::int32_t FsLongitudeSpan::Minutes() const
    {
      return trunc(this->DecimalMinutes());
    }
    inline std::int32_t FsLongitudeSpan::Seconds() const
    {
      return trunc(this->DecimalSeconds());
    }

    inline double FsLongitudeSpan::TotalMinutes() const
    {
      return this->span * 60.0;
    }
    inline double FsLongitudeSpan::TotalSeconds() const
    {
      return this->span * 3600.0;
    }

    inline double FsLongitudeSpan::ToFeet(const FsLatitude &AtLatitude) const
    {
      return cos(M_PI * AtLatitude.DecimalDegrees() / 180.0) * 131479672.3 /
             360.0 * this->span;
    }
    inline double
        FsLongitudeSpan::ToNauticalMiles(const FsLatitude &AtLatitude) const
    {
      return this->ToFeet(AtLatitude) / 6076.1155;
    }
    inline double FsLongitudeSpan::ToMetres(const FsLatitude &AtLatitude) const
    {
      return this->ToFeet(AtLatitude) / 3.2808;
    }

    inline const std::string FsLongitudeSpan::to_string(char DetailLevel) const
    {
      std::ostringstream str;
      switch (DetailLevel) {
        case 'm':
          str << this->Degrees() << "* " << this->DecimalMinutes() << "'";
          break;
        case 's':
          str << this->Degrees() << "* " << this->Minutes() << "' "
              << this->DecimalSeconds() << "\"";
          break;
        default:
          str << this->span << "*";
          break;
      }
      return str.str();
    }
    inline const std::string FsLongitudeSpan::to_string()
    {
      return this->to_string('m');
    }
  } // namespace FSUIPC
} // namespace file
} // namespace germanairlinesva

#endif