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

#pragma once

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

// ESRI
#include <arcgis/SceneGraphicsView.h>
#include <arcgis/Point.h>

// Qt
#include <QObject>
#include <QTimer>


//----------------------------------------------------------------------------
namespace SituationMap
{
/**
 * @brief The ScreenToLocationHelper class limits the load of
 * Esri::ArcGISRuntime::SceneGraphicsView::screenToLocation
 * (cpu load of ~50% was recognized othjerwise)
 * This class limits this to 10 computation per second.
 */
class SITUATIONMAP_EXPORT ScreenToLocationHelper : public ScreenLocationElevationHelperBase
{
  Q_OBJECT

  using BaseClass = ScreenLocationElevationHelperBase;

public:
  /*! \name Construction, Destruction */
  //@{
  explicit ScreenToLocationHelper(Esri::ArcGISRuntime::SceneGraphicsView *sceneGraphicsView);
  ~ScreenToLocationHelper();

  void stop();

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

  void screenToLocation(int windowPosX, int windowPosY);

  void mainComputation() override;

Q_SIGNALS:
  void mouseScenePositionChanged(const Point3D &mapCoordinate, bool isValid);

private Q_SLOTS:
  void onScreenToLocationCompleted(const QUuid &taskId, const Esri::ArcGISRuntime::Point &locationMap);

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