/**
  * CES Point Helpers
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Gerlinde Rudolphus, SLTE, 2016-04-14
  */

#pragma once

#include <QtCore/QPointF>
#include <QString>
#include <LtsCoordTrans/lts_coord_trans.h>
#include <DDS/Core/core.hpp>

namespace CentralEffectSimulation
{

inline QPointF geographic2Utm(double lon, double lat, int *zone = nullptr)
{
  const int zoneToUse = zone ? *zone : -1;
  auto utm = LtsCoordTrans::UtmCoordinate::fromGeographic(lon, lat, zoneToUse);
  if (zone)
    *zone = utm.zone;
  return QPointF(utm.x, utm.y);
}

inline QPointF geographic2Utm(const Core::GeoPosition2D &geoPos, int *zone = nullptr)
{
  const int zoneToUse = zone ? *zone : -1;
  auto utm = LtsCoordTrans::UtmCoordinate::fromGeographic(geoPos.lon(), geoPos.lat(), zoneToUse);
  if (zone)
    *zone = utm.zone;
  return QPointF(utm.x, utm.y);
}

inline QPointF geographic2Utm(const Core::GeoPosition &geoPos, int *zone = nullptr)
{
  const int zoneToUse = zone ? *zone : -1;
  auto utm = LtsCoordTrans::UtmCoordinate::fromGeographic(geoPos.lon(), geoPos.lat(), zoneToUse);
  if (zone)
    *zone = utm.zone;
  return QPointF(utm.x, utm.y);
}

inline QString geographic2mgrs(const Core::GeoPosition2D &geoPos, int zone)
{
  auto utm = LtsCoordTrans::UtmCoordinate::fromGeographic(geoPos.lon(), geoPos.lat(), zone);
  return utm.mgrs();
}

inline QPointF geographic2Utm(const Core::GeoPosition2D &geoPos, int zone)
{
  auto utm = LtsCoordTrans::UtmCoordinate::fromGeographic(geoPos.lon(), geoPos.lat(), zone);
  return QPointF(utm.x, utm.y);
}

inline QString debug(const QPointF &p)
{
  return QString::number(qRound(p.x())) + QLatin1Char('/') + QString::number(qRound(p.y()));
}

inline double getSquareDistance(const QPointF &centerUtm, const QPointF &pointUtm)
{
  QPointF p(pointUtm - centerUtm);
  return p.x() * p.x() + p.y() * p.y();
} // getSquareDistance

}