/**
  * @RDE_HEADER@
  * Interface-Implementation of HitLine
  * $Id$
  * $HeadURL$
  * $Author$
  */

#pragma once

// Own
#include "abstract_multi_point_map_object_impl.h"
#include "basic_path_object_impl.h"
#include <MapObjects/line_of_sight.h> // Interface
#include <GraphicalObjects/graphical_object_path.h>

// Qt
#include <QString>
#include <QPointF>



//----------------------------------------------------------------------------
namespace SituationMap
{

/**
 * @brief The LineOfSightImpl class supports a "single" line with two colors.
 * The method setPositions() should never be called.
 * A class instance consists of the following logical elements:
 * - mainGraphicalObject      (GraphicalObjectPath displaying the main techn. Appearance)
 * - mainGraphicalObjectText  (displaying the text/name/identifier)
 * - tacticalAppearance       (displaying the tact. Appearance)
 */
// inherent 'public', to get that implementation
// inherent 'public virtual'  to get that interface
class SITUATIONMAPOBJECTS_EXPORT LineOfSightImpl : public BasicPathObjectImpl, public virtual LineOfSight
{
  using BaseClass = SituationMap::BasicPathObjectImpl;

  template <typename> friend class GenericObjectFactory;
protected:
  explicit LineOfSightImpl(const QString &debugInfo = QString());
  virtual ~LineOfSightImpl();

public:
  QString identifier() const override;
  void setIdentifier(const QString &identifier) override;

  void setPoints(const Point3D &observer,
                 const Point3D &obstacle,
                 const Point3D &target,
                 const QColor &visibleColor = Qt::green,
                 const QColor &obstructedColor = Qt::red) override;

protected:
  bool updateViewImpl() override;
  void updateExtensionLine();


  friend class MapImpl;
  bool init(MapImpl *mapImpl, const QString &logicalLayerName) override;

  // internal/admin
  OriginTranslated      m_extensionLineCoordinate;
  GraphicalObjectPath  *m_extensionLine = nullptr;
  QColor m_extensionLineColor = Qt::red;

  // logical

private:
  bool setPositions(const PositionCont &) override; //SHOULD NEVER BE CALLED

private:

  LOGGER_T m_logger;      ///< Interface of the Logging-Facility
};



} // namespace SituationMap