/**
  * Handler for all oc situation data at the server per client
  * $Id: handler_oc_situation_data.h 57655 2022-07-20 11:38:28Z karwat $
  * $HeadURL: svn://192.168.133.21/TDS/branches/product/features/3dws_devel/Lts/Services/OcSituationServer/handler_oc_situation_data.h $
  * $Author: karwat $
  * Created by Philipp Dassow, NLST, 27-02-2018
  */
#pragma once

#include <QMutex>
#include <QObject>
#include <QTimer>
#include <QThread>
#include <QVector>
#include <QPolygonF>
#include <QSet>

#include <AreaEffectSimulation/aes_dtc.h>
#include <ParticipantManagement/ppm_dtc.h>

#include "main_handler.h"
#include "position_converter.h"
#include "oc_situation.h"
#include "logger.h"

namespace OcSituationServer
{

class HandlerOcCentralAesData;
class CentralAesDataQueue;

class ThreadOcCentralAesData : public QThread
{
  Q_OBJECT
public:
  explicit ThreadOcCentralAesData(MainHandler *mainHandler,
                                  int equipmentId,
                                  int centerEquipmentId,
                                  int radius);

public slots:
  void requestOcCentralAesData(OcSituation::SituationCenterType centerType,
                               int centerEquipmentId,
                               const Core::GeoPosition2D &position,
                               int radius,
                               bool initial);

signals:
  void sendOcData(const TrainingAreaBase::SendOcDataRequest &);

protected:
  virtual void run();

private:
  OcSituation::SituationCenterType m_centerType = OcSituation::SituationCenterType::Equipment;  // which kind of center is used for the situation
  Core::GeoPosition2D m_position;  // center position a situation can be requested around
  LtsCoordTrans::UtmCoordinate m_baseCoordinate;

  int m_equipmentId{0};  // id from requesting OC-laptop
  int m_centerEquipmentId{0};  // equipment in the center of situation
  int m_radius{0};  // observer radius in meter

  MainHandler *m_mainHandler{nullptr};  // provides TAB FTC and PPM DTC
  HandlerOcCentralAesData *m_handler{nullptr};  // OC-Thread-Object
  QMutex m_accessMutex;  // Mutex-Object

  LOGGER_T &m_logger; // Logger-Object
};


class HandlerOcCentralAesData : public QObject
{
  Q_OBJECT

public:
  explicit HandlerOcCentralAesData(const std::shared_ptr<DdsHandler> &dds,
                                   const LtsCoordTrans::UtmCoordinate &baseCoordinate,
                                   int equipmentId);

  bool withCompression() const { return m_bWithCompression; }
  void setWithCompression(bool bOn) { m_bWithCompression = bOn; }
  bool withVBGTime() const { return m_bWithVBGTime; }
  void setWithVBGTime(bool bOn) { m_bWithVBGTime = bOn; }

private:
  void fetchAesItemsInRange();

  template <typename T>
  qint32 fetchAesItemsInCircle(const QHash<qint32, T> &aesItems);

  QPolygonF polygonFromForm(const std::vector<Core::GeoPosition> &form) const;
  QList<qint32> allInternalAesItemIds() const;

  template <typename T>
  void onAesItemChanged(QHash<qint32, T> &container, const T &data, DataModification modType);

  template <typename T>
  void addAesItemsToBuilder(const QHash<qint32, T> &aesItems, const QSet<qint32> &validIds);

  void removeKickedOutAesItems(const QSet<qint32> &aesItemsSentBefore);
  void buildSituationCircle();
  qreal calculateDistanceToCircleCenter(qint32 aesItemId) const;

public slots:
  void setRequestCentralAesData(OcSituation::SituationCenterType centerType,
                                int centerEquipmentId,
                                const Core::GeoPosition2D &centerPosition,
                                int radius,
                                bool initial);

private slots:
  void onParticipantPositionChanged(const ParticipantManagement::ParticipantPosition &data, DataModification modType);
  void onPartitionTimeChanged(qint64 partitionTime) { m_partitionTime = partitionTime; }

  void onEffectClusterChanged(const AreaEffectSimulation::EffectCluster &data, DataModification modType);
  void onNContaminationChanged(const AreaEffectSimulation::NContamination &data, DataModification modType);
  void onBCContaminationChanged(const AreaEffectSimulation::BCContamination &data, DataModification modType);
  void onExplosionAreaChanged(const AreaEffectSimulation::ExplosionArea &data, DataModification modType);
  void onExplosionSingleChanged(const AreaEffectSimulation::ExplosionSingle &data, DataModification modType);
  void onMineAreaChanged(const AreaEffectSimulation::MineArea &data, DataModification modType);
  void onFunctionalAreaChanged(const AreaEffectSimulation::FunctionalArea &data, DataModification modType);
  void onBoobyTrapChanged(const AreaEffectSimulation::BoobyTrap &data, DataModification modType);
  void onOffRouteMineChanged(const AreaEffectSimulation::OffRouteMine &data, DataModification modType);
  void onExplosionClusterChanged(const AreaEffectSimulation::ExplosionCluster &data, DataModification modType);

  void onAesItemViewChanged(const AreaEffectSimulation::AesItemView &data, DataModification modType);

  void handleSituation();
  void resetAliveTimer();
  void aliveTimeout();
  void onResetInternalData();

signals:
  void sendOcData(const TrainingAreaBase::SendOcDataRequest &);
  void resetInternalData();

private:
  //helper struct
  struct AesItemInfo
  {
    int32_t id;
    AreaEffectSimulation::AesType type;

    AesItemInfo()
      : id(-1)
      , type(AreaEffectSimulation::AesType::inner_enum::AtUnknown)
    {}

    AesItemInfo(int32_t id, AreaEffectSimulation::AesType type)
      : id(id)
      , type(type)
    {}
  };

  LtsCoordTrans::UtmCoordinate m_baseCoordinate;
  QPolygonF m_situationCircle;

  std::shared_ptr<AreaEffectSimulation::Interface::Dtc> m_aesDtc;
  std::shared_ptr<ParticipantManagement::Interface::Dtc> m_ppmDtc;

  // request data
  OcSituation::SituationCenterType m_centerType{OcSituation::SituationCenterType::Equipment};  // which kind of center is used for the situation
  Core::GeoPosition2D m_centerPosition;  // center position a situation can be requested around
  int m_equipmentId{0};  // id from requesting OC-laptop
  int m_centerEquipmentId{0};  // equipment in the center of situation
  int m_centerParticipantId{0};
  int m_radius{0};  // observer radius in meter
  int m_retryCount{0};
  bool m_participantOverloaded{false};

  // internal aes data
  QHash<qint32, AreaEffectSimulation::EffectCluster> m_allCentralEffectClusters;
  QHash<qint32, AreaEffectSimulation::NContamination> m_allCentralNContaminations;
  QHash<qint32, AreaEffectSimulation::BCContamination> m_allCentralBCContaminations;
  QHash<qint32, AreaEffectSimulation::ExplosionArea> m_allCentralExplosionsArea;
  QHash<qint32, AreaEffectSimulation::ExplosionSingle> m_allCentralExplosionsSingle;
  QHash<qint32, AreaEffectSimulation::MineArea> m_allCentralMineAreas;
  QHash<qint32, AreaEffectSimulation::FunctionalArea> m_allCentralFunctionalAreas;
  QHash<qint32, AreaEffectSimulation::BoobyTrap> m_allCentralBoobyTraps;
  QHash<qint32, AreaEffectSimulation::OffRouteMine> m_allCentralOffRouteMines;
  QHash<qint32, AreaEffectSimulation::ExplosionCluster> m_allCentralExplosionClusters;
  QHash<qint32, AreaEffectSimulation::AesItemView> m_allCentralAesItemViews; // <aesItemId, AesItemView>

  QSet<qint32> m_aesItemsInRange;

  // options, must be in sync with osc
  bool m_bWithCompression{true};
  bool m_bWithVBGTime{true};
  bool m_bInitialDataTransfer{true};

  qint64 m_partitionTime;

  // thread management
  QMutex m_accessMutex;  // Mutex-Object
  QTimer *m_aliveTimer{nullptr};  // alive timer
  QTimer *m_txTimer{nullptr};  // tx cycle timer

  CentralAesDataQueue *m_dataQueue;
  LOGGER_T &m_logger;
};

} // namespace OcSituationServer