/**
  * @RDE_HEADER@
  * Class MovementTrack
  * $Id$
  * $HeadURL$
  * $Author$
  */

#pragma once


// Own
#include <Map/point3D.h>
#include <Common/situation_map_logging.h>
#include <situation_map_export.h>


// Qt
#include <QMap>
#include <QSharedPointer>


class QJsonObject;


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

class SITUATIONMAP_EXPORT MovementTrack
{

public:

  using KEY_T           = qint64;               // msec
  using COORD_T         = Point3D;              // lon, lat
  using CONT_T          = QMap<KEY_T, COORD_T>; // ordered by time [msec]

public:
  /// Constructor
  explicit MovementTrack(int trackId);

  /// Destructor
  virtual ~MovementTrack();

  int trackId() const               {    return m_trackId;        }
  int size() const                  {    return m_cont.size();    }
  void clear()                      {    m_cont.clear();          }

  void setActive(bool active);
  bool isActive() const             {    return m_active;         }

  bool addPosition(const COORD_T &newPosition,
                   qint64 currentTimeMsec, double minDistance, int maxNumberOfPositions);

  const COORD_T lastPosition() const
  {
    if (this->m_cont.empty())
      return COORD_T();
    return this->m_cont.last();
  }

  bool removeEntriesOlder(qint64 currentTimeMsec, qint64 maxAgeMsec);
  bool removeEntriesNewer(qint64 currentTimeMsec);

  QVector<COORD_T> getTrack() const;
  QVector<COORD_T> getVisibleTrack(qint64 currentTimeMsec, qint64 maxAgeMsec, qint64 maxViewAgeMsec);


  static QSharedPointer<MovementTrack> read(const QJsonObject &json);
  QJsonObject toJsonObject() const;

protected:
  static int                               m_count;
  int                                      m_trackId;           // UniqueMapId
  bool                                     m_active;

  CONT_T                                   m_cont;


private:
  LOGGER_T                                 m_logger;            ///< Interface to the Logging-Facility
};

} // namespace SituationMap