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

#pragma once

#include "point_helpers.h"
#include "dds_handler.h"
#include "handler_building_data.h"

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

#include <LtsUtilsCore/outdated_position.h>
#include <LtsCoordinate/lts_coordinate.h>

#include <QObject>
#include <QtCore/QMap>
#include <QtCore/QHash>
#include <QtCore/QPointF>
#include <QtCore/QLineF>
#include <QtCore/QSet>
#include <QtGui/QPolygonF>


// AES-Handling for participants outside buildings
namespace CentralEffectSimulation
{

class SVCCESDDSCOMMON_EXPORT HandlerParticipant : public QObject
  , protected TrainingAreaBase::Interface::Ftc::SendParticipantBeStillWarningReplyHandler
  , protected ParticipantManagement::Interface::Ftc::ModifyStateReplyHandler
{
  Q_OBJECT
public:

  struct CesParticipantData : public ParticipantManagement::ParticipantPosition
  {
    ProjectDataManagement::VulnerabilityState vulnerabilityState = ProjectDataManagement::VulnerabilityState_def::CombatReady;
    Core::GeoPosition lastGeoPosition;
    bool positionValid{false};
    bool lastPositionValid{false};
    bool notfightMode{false};
    bool insideBuildingValue{false};

    mutable LtsCoordTrans::LtsCoordinate m_ltsCoordinate;


    bool insideWlsArea() const  { return reportingSource() == Core::PositionReportingSource::Wls; }
    bool insideBuilding() const { return insideBuildingValue;                                     }

    LtsCoordTrans::LtsCoordinate &ltsCoordinate()
    {
      return m_ltsCoordinate;
    }
    const LtsCoordTrans::LtsCoordinate &ltsCoordinate() const
    {
      return m_ltsCoordinate;
    }

    CesParticipantData() = default;
    explicit CesParticipantData(const ParticipantManagement::ParticipantPosition &p)
      : ParticipantManagement::ParticipantPosition(p)
      , lastGeoPosition(p.pos())
      , positionValid(true)
    {}
  }; // struct CesParticipantData

  using POSITIONS_CONST_ITER = QHash<int, CesParticipantData>::const_iterator;


protected:
  void onSendParticipantBeStillWarningReply(const Core::FunctionReplyObject &replyObject) override final;
  void onModifyStateReply(const Core::FunctionReplyObject &reply) override final;

public:
  explicit HandlerParticipant(const std::shared_ptr<DdsHandler> &ddsHandler,
                              const std::shared_ptr<HandlerBuildingData> &handlerBuildingData,
                              int cheatingDistanceVehicle,
                              int cheatingDistanceSoldier,
                              QObject *parent = nullptr);

  ~HandlerParticipant();

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

  const QHash<int, CesParticipantData> &positions() const { return m_positionsMap; }
  CesParticipantData position(int participantId) const { return m_positionsMap.value(participantId); }
  ParticipantManagement::Participant participant(int participantId) const { return m_participantData.value(participantId); }
  ParticipantManagement::TypeClass typeClassFromTypeId(int typeId) const { return m_typeMap.value(typeId); }
  bool isOutdated(const CesParticipantData &pos) const
  {
    return LtsUtils::isPositionTimeOutdated(m_ddsHandler->currentPartitionTime(), pos.sampleTime());
  }

  QPolygonF getParticipantStep(int participantId, int zone) const;
  QPointF getParticipantPositionUtm(int participantId, int zone) const;
  HandlerParticipant::CesParticipantData getParticipantPosition(int participantId) const;
  QHash<int, CesParticipantData> positionsAircraft() const;
  QVector<int32_t> getParticipantsBuilding(const int32_t buildingId) const;
  void setNotfightMode (const int participantId, const bool);

  // Return Direction in [Degree]
  long getDirection(int originatorParticipantId, int targetParticipantId);

  // return Distance in [m]
  long getDistance(int originatorParticipantId, int targetParticipantId);

  int getParticipantId(int equipentNumber);
  int getEquipmentNumber(int participantId) const;

signals:
  void newIndoorPosition(const CesParticipantData &pos);
  void newOutdoorPosition(const CesParticipantData &pos);
  void participantLeavesBuilding(int participantId);
  void newParticipantState(const CesParticipantData &pos);
  void participantDecontaminated(const int participantId);
  void newNotfightMode(const CesParticipantData &pos);
  void restoreRadioReadinessChanged(const int participantId);

public slots:
  void modifyStateRequest(
    const int &participantId, const ProjectDataManagement::VulnerabilityState &state, const int &kind, const int &vitality
  );

private slots:
  /**
    * Handle the signals from 'ParticipantManagement'
    */
  void onParticipantPositionChanged(const ParticipantManagement::ParticipantPosition &data, DataModification modType);
  void onDynamicParticipantDataChanged(const ParticipantManagement::DynamicParticipantData &data, DataModification modType);
  void onParticipantChanged(const ParticipantManagement::Participant &data, DataModification modType);
  void onTypeChanged(const ParticipantManagement::Type &data, DataModification modType);
  void onRestoreRadioReadinessChanged(const TrainingAreaBase::RestoreRadioReadiness &data, DataModification modType);
  void sendBeStillWarning(const int32_t participantId);

private: // methoden
  bool handleCheating(const ParticipantManagement::TypeClass typeClass,
                      const ProjectDataManagement::VulnerabilityState newVulnerabilityState);

  void checkCheating(const int participantId, const CesParticipantData &participantPosition,
                     const ProjectDataManagement::VulnerabilityState newVulnerabilityState);
  void checkCheatingPosition(const int participantId);



private: // attributes

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

  QHash<int, CesParticipantData>                m_positionsMap;  ///key = participantId < Reference map participant (player) to room id (participantId, roomId) inside Building
  QHash<int, ParticipantManagement::TypeClass>   m_typeMap;
  QHash<int, ParticipantManagement::Participant> m_participantData; /// key = participantId
  QHash<int, CesParticipantData>                m_positionsCheatingMap;  ///key = participantId < Reference map participant for Cheating detection >

  int m_cheatingDistanceVehicle; // Distance to hit-position from the vehicle
  int m_cheatingDistanceSoldier; // Distance to hit-position from the soldier


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

SVCCESDDSCOMMON_EXPORT std::ostream &operator<< (std::ostream &stream,
                                      const HandlerParticipant::CesParticipantData &value);

} // namespace CentralEffectSimulation2D