/**
  * MainHandler for TetraRadio
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Ehrlicher, SLSE, 2016-04-14
  */
#pragma once

#include <QObject>
#include "main_handler.h"
#include <LtsCoordTrans/lts_coord_trans.h>
#include <AssetManagement/asm_dtc.h>
#include "training_area_telegrams.h"

#include "logger.h"

namespace TrainingAreaBase
{
class PositionHandler : public QObject
{
  Q_OBJECT
public:
  explicit PositionHandler(MainHandler *mainHandler);

  struct ParticipantPosition
  {
    TrainingAreaBase::TabPosition pos;
    int    mountPointTypeId = 0;
    int    buildingId = 0;
    int    roomId = 0;
    qint64 time = 0;
  };

  bool init();

  Core::GeoPosition2D relativeToGeographic2D(const TetraIcd::RelativePosition &p) const;
  Core::GeoPosition relativeToGeographic(const TetraIcd::RelativePosition &p) const;
  QPointF geographicToRelativePointF(const Core::GeoPosition &p) const;
  QPointF geographicToRelativePointF(const Core::GeoPosition2D &p) const;
  TetraIcd::RelativePosition geographicToRelative(const Core::GeoPosition &p) const;
  TetraIcd::RelativePosition geographicToRelative(const Core::GeoPosition2D &p, double z) const;
  const LtsCoordTrans::UtmCoordinate &baseCoordinate() const;

  // checks if position was marked as invalid by sfm (0x800000 / 0x800000)
  static bool isPositionMarkedInvalid(const TetraIcd::RelativePosition &p)
  {
    static_assert(std::is_integral<decltype(p.offsetX)>::value, "RelativePosition.offsetX must be an integer!");
    static_assert(std::is_integral<decltype(p.offsetY)>::value, "RelativePosition.offsetY must be an integer!");
    static constexpr int invalidPos = 0x800000;
    static constexpr int threeBytes = 0xffffff;
    return ((invalidPos == (p.offsetX & threeBytes)) ||
            (invalidPos == (p.offsetY & threeBytes)));
  }

  // Speed after Last Position to actual position
  double speed(const TetraIcd::RelativePosition &relPos, const int equipNo, const qint64 timeStamp) const;
  bool isTimeToPerformSpeedCheckExceeded(const int equipNo, const qint64 timeStamp, const int maxTime) const;

  void setLastPosition(int equipNo, const  TrainingAreaBase::TabPosition &pos);
  void setLastMountPointTypeId(int equipNo, const int lastMountPointTypeId);
  void setLastBuildingId(int equipNo, const int lastBuildingId);
  void setLastRoomId(int equipNo, const int lastRoomId);
  void setLastTime(int equipNo, const qint64 time);
  TrainingAreaBase::TabPosition lastPosition(int equipNo) const;
  int lastMountPointTypeId(const int equipNo) const;
  int lastBuildingId(const int equipNo) const;
  int lastRoomId(const int equipNo) const;

  bool isInTrainingArea(const TetraIcd::RelativePosition &relPos) const;

private:
  bool initCoordinateConversion() const;

private:
  MainHandler *m_mainHandler;
  mutable std::shared_ptr<AssetManagement::Interface::Dtc> m_dtcAsm;
  mutable LtsCoordTrans::UtmCoordinate m_utm2Geographic;
  QHash<int, ParticipantPosition> m_lastPosition;

  mutable QPointF m_relPosBottomLeft;
  mutable QPointF m_relPosTopRight;

  LOGGER_T m_logger;
};
} // namespace TrainingAreaBase