#ifndef GERMANAIRLINESVA_FILE_RUNWAY_H
#define GERMANAIRLINESVA_FILE_RUNWAY_H

#include <fstream>
#include <iomanip>
#include <iostream>
#include <regex>
#include <sstream>
#include <string>
#include <utility>

#include "geodata.hpp"
#include "helpers.hpp"
#include "util.hpp"

namespace germanairlinesva
{
namespace file
{
  namespace simdata
  {
    /*
     * Representation of one runway with supplementary information
     * Heading in degrees true
     * Threshold center in lat/lon degrees
     * Width and length in metres
     *
     * UINT8  | CHAR[]     | BOX    | UINT8 | UINT16 | DOUBLE
     * -------+------------+--------+-------+--------+-------
     * STRLEN | DESIGNATOR | BOUNDS | WIDTH | LENGTH | TRUHDG
     */
    class Runway
    {
      private:
        std::string designator;
        struct geodata::box bounds;
        std::uint8_t width;
        std::uint16_t length;
        double trueHeading;

      public:
        // From X-Plane or MakeRwys
        inline Runway(std::string designator,
                      double latitudeStart,
                      double longitudeStart,
                      double latitudeEnd,
                      double longitudeEnd,
                      double width)
            : designator(designator), width(width)
        {
          this->length = geodata::distanceEarthD(latitudeStart,
                                                 longitudeStart,
                                                 latitudeEnd,
                                                 longitudeEnd);
          this->trueHeading = geodata::bearingDD(latitudeStart,
                                                 longitudeStart,
                                                 latitudeEnd,
                                                 longitudeEnd);
          this->bounds =
              geodata::calculateBoxDD({latitudeStart, longitudeStart},
                                      {latitudeEnd, longitudeEnd},
                                      this->trueHeading,
                                      this->width);
        };
        // From database
        inline Runway(std::string designator,
                      struct geodata::box bounds,
                      std::uint8_t width,
                      std::uint16_t length,
                      double trueHeading)
            : designator(designator), bounds(bounds), width(width),
              length(length), trueHeading(trueHeading){};

        inline bool containsPoint(geodata::point point)
        {
          bool flag = false;
          double udegrees1 = this->bounds.topRight.latitude + 90;
          double udegrees2 = this->bounds.bottomLeft.latitude + 90;
          double udegrees3 = this->bounds.topLeft.latitude + 90;
          double udegrees4 = this->bounds.bottomRight.latitude + 90;
          double udegrees5 = this->bounds.topRight.longitude + 180;
          double udegrees6 = this->bounds.bottomLeft.longitude + 180;
          double udegrees7 = this->bounds.topLeft.longitude + 180;
          double udegrees8 = this->bounds.bottomRight.longitude + 180;
          double udegrees9 = point.longitude + 180;
          double udegrees10 = point.latitude + 90;
          if (udegrees9 > udegrees5 + (udegrees6 - udegrees5) /
                                          (udegrees1 - udegrees2) *
                                          (udegrees1 - udegrees10) &&
              udegrees9 < udegrees8 + (udegrees7 - udegrees8) /
                                          (udegrees4 - udegrees3) *
                                          (udegrees4 - udegrees10) &&
              udegrees10 > udegrees2 + (udegrees3 - udegrees2) /
                                           (udegrees7 - udegrees6) *
                                           (udegrees9 - udegrees6))
            flag = udegrees10 < udegrees1 + (udegrees4 - udegrees1) /
                                                (udegrees8 - udegrees5) *
                                                (udegrees9 - udegrees5);
          return flag;
        }

        inline void toFile(std::ofstream &out) const
        {
          writeString(out, this->designator);
          write<decltype(this->bounds)>(out, this->bounds);
          write<decltype(this->width)>(out, this->width);
          write<decltype(this->length)>(out, this->length);
          write<decltype(this->trueHeading)>(out, this->trueHeading);
        }

        inline const std::string to_string() const
        {
          std::ostringstream str;
          str << "Runway " << this->designator << " with bounds "
              << this->bounds.topLeft.latitude << "N "
              << this->bounds.topLeft.longitude << "E, "
              << this->bounds.topRight.latitude << "N "
              << this->bounds.topRight.longitude << "E, "
              << this->bounds.bottomRight.latitude << "N "
              << this->bounds.bottomRight.longitude << "E, "
              << this->bounds.bottomLeft.latitude << "N "
              << this->bounds.bottomLeft.longitude << "E, "
              << "Width " << (int)this->width << "m, Length " << this->length
              << "m, True Heading " << this->trueHeading << "°";
          return str.str();
        }

        friend inline std::ostream &operator<<(std::ostream &os,
                                               const Runway &runway)
        {
          return os << runway.to_string();
        }
    };
  } // namespace simdata
} // namespace file
} // namespace germanairlinesva

#endif