/**
  * Handler for player data
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by gr, SLSE, 2017-02-20
  */

#pragma once

#include <CentralEffectSimulation/logger.h>
#include <CentralEffectSimulation/svccesddscommon_export.h>
#include <CentralEffectSimulation/dds_handler.h>

#include <QObject>
#include <QPolygonF>
#include <QHash>
// Data for buildings

namespace CentralEffectSimulation
{

//------------------------------------------------------------------------------
// Helper function to calculate the (2D) center of a polygon like a (metric) footprint
//------------------------------------------------------------------------------

// Note:
// The centroid of a non-self-intersecting closed polygon defined by n vertices.
QPointF compute2DPolygonCentroid_deprecated(const QPolygonF &metricVertices);


//------------------------------------------------------------------------------
// class HandlerBuildingData
//------------------------------------------------------------------------------
class SVCCESDDSCOMMON_EXPORT HandlerBuildingData : public QObject
{
  Q_OBJECT
public:
  struct AssetPosition
  {
    int structureElementId;
    InfrastructureManagement::MountingPointType mountingPointType;
    QString hostname;
    Core::RelativePosition relPosition;
    Core::GeoPosition geoPosition;
    QPointF positionUtm;
    int zone;
  };

  struct Footprint
  {
    int mseId{-1};
    int zone{-1};
    Core::GeoPosition  geoPosition;
    QPolygonF          polyUtm;
    QRectF             boundingBoxPolyUtm;
    QPointF            centroid;             // centroid for concealment calculation (Verdeckung)

    bool isValid() const { return mseId > 0; }
  };

  explicit HandlerBuildingData(const std::shared_ptr<CentralEffectSimulation::DdsHandler> &ddsHandler, QObject *parent = nullptr);

  ~HandlerBuildingData();

  /**
    * Initialize the handler to manage information from player management
    */
  bool init();

  int getFloorIdFromRoomId(int roomId) const { return m_floorRoom.value(roomId, -1); }
  int getBuildingIdFromFloorId(int floorId) const { return m_buildingFloor.value(floorId, -1); }
  int getBuildingIdFromRoomId(const int roomId);
  QVector<int> polygonEncloseBuildings(const QPolygonF &polygon);
  QVector<int> getFloorsFromStructureElementId(int structureElementId) const;
  QVector<int> getFloorsFromBuilding(int buildingId) const;
  InfrastructureManagement::MainStructureElement mainStructureElement(int mseId) const { return m_mainStructureElements.value(mseId); }
  QHash<int, AssetPosition> getAssetPositions(){return m_assetPositions;}
  void printAssetPositions();
  QHash<int, Footprint> getFootprints(){return m_footprints;}

private:
  void getFootprintsByExercise();

private Q_SLOTS:

  /**
    * Handle MainStructureElement from 'ISM'
    */
  void onMainStructureElementChanged(const InfrastructureManagement::MainStructureElement  &data, DataModification modType);
  void onMountingPointAssetChanged(const InfrastructureManagement::MountingPointAsset &data, DataModification modType);
  void onInstrumentationAssetChanged(const InfrastructureManagement::InstrumentationAsset &data, DataModification modType);

private: // attributes


  std::shared_ptr<CentralEffectSimulation::DdsHandler>                             m_ddsHandler;  ///< Pointer to VOM DDS handler

  QHash<int, InfrastructureManagement::MainStructureElement> m_mainStructureElements;
  QHash<int, int> m_floorRoom; // key = roomId, Value = floorId
  QHash<int, int> m_structureElementToFloor; // key = floorId, Value = structureElementId
  QHash<int, int> m_buildingFloor; // key = floorId, Value = buildingId (ism_main_structure_element)
  QHash<int, int> m_ToFloor; // key = floorId, Value = structureElementId
  QHash<int, int> m_mountingPointAsset; // key = structureElementId , Value = assetId;
  QHash<int, int> m_assetMountingPoint; // key = assetId , Value = structureElementId;
  QHash<int, QString> m_instrumentationAssets; // key = assetId, Value = hostname
  QHash<int, AssetPosition> m_assetPositions; // key = structureElementId
  QHash<int, Footprint>     m_footprints; // key = footprint.mseId
  int m_zone = -1;

  CentralEffectSimulation::LOGGER_T                           &m_logger;           ///< Interface to the Logging-Facility

};
} // namespace CentralEffectSimulation2D