/**
  * @RDE_HEADER@
  * LocationToElevationHelper
  * $Id$
  * $HeadURL$
  * $Author$
  */

#pragma once

#include "screen_location_elevation_helper_base.h"
#include <Map/map.h>
#include <Common/situation_map_logging.h>


#define USE_ELEVATION_MAP_AS_WORKAROUND // ToDo: remove if Esri-Surface will work without crash


// Qt
#include <QObject>


namespace Esri {
namespace ArcGISRuntime
{
class Surface;
class Point;
class SpatialReference;
}
}


//----------------------------------------------------------------------------
namespace SituationMap
{
/**
 * @brief The ScreenToLocationHelper class helps to assign the (global) requests location_to_elevation to the right caller
 */
class SITUATIONMAP_EXPORT LocationToElevationHelper : public ScreenLocationElevationHelperBase
{
  Q_OBJECT

  using BaseClass = ScreenLocationElevationHelperBase;

public:
  /*! \name Construction, Destruction */
  //@{
  explicit LocationToElevationHelper(QObject *parent = nullptr);
  ~LocationToElevationHelper();

  bool init(Map *map,
            Esri::ArcGISRuntime::Surface *surface,
            const Esri::ArcGISRuntime::SpatialReference &spatialReference);

  LocationToElevationHelper(const LocationToElevationHelper &other)     = delete;
  LocationToElevationHelper &operator=(LocationToElevationHelper &other) = delete;
  //@}

  void stop();

  void locationToElevation(const QPointF &mapLocation);
  void locationToElevation(const Esri::ArcGISRuntime::Point &esriMapLocation);

  void mainComputation() override;

Q_SIGNALS:
  void elevationCompleted(double elevation);

private Q_SLOTS:
  void onLocationToElevationCompleted(const QUuid &taskId, double elevation);

protected:
  LOGGER_T m_logger;      ///< Interface of the Logging-Facility

  class Private;
  /**
      * The private d->pointer to not break BC when changing internals of this class
     */
  Private *d = nullptr;
};

} // namespace SituationMap