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

#pragma once

#include <CentralEffectSimulation/logger.h>

#include <CentralEffectSimulation/dds_handler.h>
#include <CentralEffectSimulation/aes_item_view_utm.h>
#include <CentralEffectSimulation/handler_participant.h>

#include <QtCore/QHash>
#include <QtCore/QObject>
#include <QtCore/QQueue>
#include <QtCore/QPointF>
#include <QtGui/QPolygonF>

// AES-Handling for participants
namespace CesMineAreas
{
enum class EffectType
{
  Unknown = 0,
  EffectiveMineRangeEnter = 0xf0000 | 1,  // AtMineAreaSingleMines = 15 = 0xf
  EffectiveMineRangeLeave = 0xf0000 | 2,  // AtMineAreaSingleMines = 15 = 0xf
  NContaminationLeave = 0x10000 | 0,             // AtNContamination = 1
  NContaminationEnterArea1 = 0x10000 | 1,
  NContaminationEnterArea2 = 0x10000 | 2,
  NContaminationDetonation = 0x10000 | 255,
  FunctionalAreaLeave = 0xc0000 | 0,      // AtReconArea = 12 = 0xc
  FunctionalAreaEnter = 0xc0000 | 1,
  ExplosionArea = 0x30000 | 2,            // AtExplosionArea = 3
  ExplosionSingle = 0x40000 | 3,          // AtExplosionSingle = 4
  BCContaminationLeave = 0x20000 | 0,     // AtBCContamination = 2
  BCContaminationEnterFloating = 0x20000 | 1,
  BCContaminationEnterResident = 0x20000 | 2,
  BCContaminationEnterFloatingArea = 0x20000 | 3,
  BeStillWarning = 11,
};
QString toString(EffectType et);

struct MineListItem
{
  int aesItemId;
  qint64  time;
  qreal distance; // distance from last Position to mine
  int mineIndex;
  QPointF minePos;
};

class HandlerMineAreas final: public QObject
  , protected TrainingAreaBase::Interface::Ftc::SendCesHitReplyHandler
  , protected AreaEffectSimulation::Interface::Ftc::MineTriggeredReplyHandler
{
  Q_OBJECT
public:
  HandlerMineAreas(const std::shared_ptr<CentralEffectSimulation::DdsHandler> &ddsHandler,
                   const std::shared_ptr<CentralEffectSimulation::HandlerParticipant> &participantHandler,
                   QObject *parent = nullptr);

  ~HandlerMineAreas();

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

protected:
  void onSendCesHitReply(const Core::FunctionReplyObject &replyObject) override final;
  void onMineTriggeredReply(const Core::FunctionReplyObject &replyObject) override final;

private Q_SLOTS:
  /**
    * Handle the signals from 'AES'
    */
  void onAesItemViewChanged(const AreaEffectSimulation::AesItemView &data, DataModification modType);
  void onTriggeredImpactsChanged(const AreaEffectSimulation::TriggeredImpacts &data, DataModification modType);
  void sendFtcMineTrigger(int aesItemId, int mineIndex);

private: // methoden
  void calculateImpacts(const AreaEffectSimulation::TriggeredImpacts &data);
  void calculateImpacts(const CentralEffectSimulation::AesItemViewUtm &itemView,
                        const QVector<int> &impactsToCheck,
                        const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition);
  void onNewOutdoorPosition(const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition);
  void onNewParticipantState(const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPos);

  // Checks if a mine has been crossed.
  // If so, the mine with the smallest distance to the last position should be taken.
  bool intersectMineRadiusCheck(const CentralEffectSimulation::AesItemViewUtm &itemView, const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition);

  qreal crossCircle(const QPointF &centerUtm, const double radius, const int participantId, int zone);
  bool inCircle(const QPointF &centerUtm, const double radius, const QPointF &pointUtm);
  bool intersectsBoundingBoxCheck(const CentralEffectSimulation::AesItemViewUtm &itemView, const int participantId);
  bool inBoundingBoxCheck(const CentralEffectSimulation::AesItemViewUtm &itemView, const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition);
  bool inFormCheck(const CentralEffectSimulation::AesItemViewUtm &itemView, const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition);
  bool inExtededFormCheck(const CentralEffectSimulation::AesItemViewUtm &itemView,
                          const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition) const;
  double distancePointLine(const QPointF &p, const QPointF &l1,
                                             const QPointF &l2) const;
  double squareLen(const QPointF &p1, const QPointF &p2) const;

  bool intersectFormCheck(const CentralEffectSimulation::AesItemViewUtm &itemView, const int participantId);
  void sendCesHitRequest(const CentralEffectSimulation::AesItemViewUtm &itemView,
                         const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition,
                         qint64 effectTime,
                         int mineFieldBitIndex = 0);
  void sendCesHitRequest(const AreaEffectSimulation::AesItemView &itemView,
                         const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition,
                         qint64 effectTime,
                         int mineFieldBitIndex = 0);
  void sendParticipantEventEnterLeave(const CentralEffectSimulation::AesItemViewUtm &itemView,
                                      const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition,
                                      const bool inFormCheckResult);
  void sendParticipantEvent(const CentralEffectSimulation::AesItemViewUtm &itemView,
                            const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition, const ProjectDataManagement::EventType eventType);
  void sendEffectTypeEvent(const CentralEffectSimulation::AesItemViewUtm &itemView,
                           const CentralEffectSimulation::HandlerParticipant::CesParticipantData &participantPosition,
                           EffectType effectType,
                           int mineFieldBitIndex,
                           qint64 effectTime);

  ProjectDataManagement::EventType leaveEventTypeForAesType(AreaEffectSimulation::AesType aesTypeId);
  EffectType leaveEffectTypeForAesType(AreaEffectSimulation::AesType aesTypeId);

  void aesItemViewRemoved(int aesItemId);

  void printAesItemViews();
private: // attributes

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

  QHash<int32_t, int> m_aesItemId2partIdMap;
  QHash<int, AreaEffectSimulation::TriggeredImpacts> m_triggeredImpacts; // key = aesItemId


  // AES-Values
  QHash<int, CentralEffectSimulation::AesItemViewUtm> m_aesItemViews; // key = aesItemId
  QQueue<TrainingAreaBase::SendCesHitRequest> m_sendCesHitRequestQueue;
  QHash<int, QHash<int, ProjectDataManagement::EventType>> m_eventStates; // QHash<aesItemId, QHash<participantId, QSet<EventType>>>
  QHash<int, QHash<int, QSet<EffectType>>> m_effectTypeStates; // QHash<aesItemId, QHash<participantId, QSet<effectStates>>>
  QHash<int, QHash<int, QSet<int>>> m_effectTypeBitFieldIndexes; // QHash<aesItemId, QHash<participantId, QSet<mineFieldBitIdx>>>
  QHash<int, QVector<MineListItem>> m_mineLists; // Key = ParticipantId


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