// MIT License
// Copyright (c) 2026 by Peter Siegmund (mars3142)
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

#include "cartridge/lat_lng.h"

#include <cmath>
#include <iomanip>
#include <sstream>

namespace cartridge {

LatLng::LatLng(const double latitude, const double longitude)
    : m_latitude(latitude), m_longitude(longitude) {}

std::string LatLng::latitude() const { return _format(m_latitude, "NS"); }

std::string LatLng::longitude() const { return _format(m_longitude, "EW"); }

std::string LatLng::toString() const {
  const std::string lat = latitude();
  const std::string lon = longitude();
  if (!lat.empty() && !lon.empty()) {
    return lat + " " + lon;
  }
  return lat + lon;
}

std::string LatLng::_format(double value, const std::string &suffix) {
  const bool isNegative = value < 0;
  value = std::abs(value);
  const int degrees = static_cast<int>(std::floor(value));
  if (degrees == 360) {
    return "";
  }
  const double minutes = (value - degrees) * 60.0;
  std::ostringstream oss;
  oss << (isNegative ? suffix.substr(1, 1) : suffix.substr(0, 1)) << " "
      << degrees << "\u00B0 " << std::fixed << std::setprecision(3) << minutes;
  return oss.str();
}
} // namespace cartridge