/**
  * Send Participant data to NGS
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Ehrlicher, SLSE, 2017-04-07
  */

#include "ppm_handler.h"
#include "ngs_handler.h"
#include <Common/participantinformation.h>

#include <LtsUtilsGuiDds/request_helper.h>
#include <EntityTypeStruct.h>
#include <Proxies/TrainingAreaBase/tab.hpp>

namespace HighLevelArchitecture
{

PpmHandler::PpmHandler(NgsHandler *ngsHandler)
  : m_ngsHandler(ngsHandler)
  , m_requestHelper(new LtsUtils::RequestHelper(this))
  , m_logger(getLogger("PpmHandler"))
{}

PpmHandler::~PpmHandler()
{
  m_dtcPpm.reset();
  m_ftcPpm.reset();
  m_dtcPdm.reset();
  m_dtsTab.reset();
  m_ftcTab.reset();
  m_dtcAes.reset();
}

bool PpmHandler::init()
{
  m_dtcPpm = ParticipantManagement::Interface::Dtc::create(m_ngsHandler->ddsHandler()->ddsConnector());
  m_ftcPpm = ParticipantManagement::Interface::Ftc::create(m_ngsHandler->ddsHandler()->ddsConnector());
  m_dtcPdm = ProjectDataManagement::Interface::Dtc::create(m_ngsHandler->ddsHandler()->ddsConnector());
  m_dtsTab = TrainingAreaBase::Interface::Dts::create(m_ngsHandler->ddsHandler()->ddsConnector());
  m_ftcTab = TrainingAreaBase::Interface::Ftc::create(m_ngsHandler->ddsHandler()->ddsConnector());
  m_dtcAes = AreaEffectSimulation::Interface::Dtc::create(m_ngsHandler->ddsHandler()->ddsConnector());

  // PPM DTC

  connect(m_dtcPpm.get(), &ParticipantManagement::Interface::Dtc::typeChanged,
          this, &PpmHandler::onTypeChanged);
  connect(m_dtcPpm.get(), &ParticipantManagement::Interface::Dtc::dynamicParticipantDataChanged,
          this, &PpmHandler::onDynamicParticipantDataChanged);
  connect(m_dtcPpm.get(), &ParticipantManagement::Interface::Dtc::participantChanged,
          this, &PpmHandler::onParticipantChanged);
  connect(m_dtcPpm.get(), &ParticipantManagement::Interface::Dtc::participantPositionChanged,
          this, &PpmHandler::onParticipantPositionChanged);
  connect(m_dtcPpm.get(), &ParticipantManagement::Interface::Dtc::partyChanged,
          this, &PpmHandler::onPartyChanged);

  m_dtcPpm->enableType();
  m_dtcPpm->enableDynamicParticipantData();
  m_dtcPpm->enableParticipant();
  m_dtcPpm->enableParticipantPosition();
  m_dtcPpm->enableParty();
  m_dtcPpm->enableParticipantGearEvent();
  m_dtcPdm->enableGearTypeChargeType();
  m_dtcPpm->waitForHistoricalDataParticipant();


  // PPM FTC

  m_ftcPpm->enableModifyParticipantData();

  // PDM DTC

  connect(m_dtcPdm.get(), &ProjectDataManagement::Interface::Dtc::chargeTypeChanged,
          this, &PpmHandler::onChargeTypeChanged);

  m_dtcPdm->enableChargeType();

    // TAB DTS
  if (!(m_dtsTab->enableEquipmentPosition() &&
        m_dtsTab->enableEquipmentGearEvent() &&
        m_dtsTab->enableEquipmentState() &&
        m_dtsTab->enableLaserDesignation() &&
        m_dtsTab->enableSpecialSensorData() &&
        m_dtsTab->enableGearCharge() &&
        m_dtsTab->enableEquipmentGearChargeState() &&
        m_dtsTab->enableEquipmentGearAssignment())
      )
  {
    ERROR_LOG(m_logger) << "Enabling TAB DTS Data-Topics failed.";
    return false;
  }


  // TAB FTC
  m_ftcTab->enableDemandInit();
  m_ftcTab->enableDemandVulnerabilityStateChange();
  m_ftcTab->enableSendCesHitInformation();


  // AES DTC
  // Nothing to do as only aesItemIdFromExternalId is called.

  // Connect Connector signals to slots here.
  NgsConnector *conn = m_ngsHandler->ngsConnector().get();

  connect(conn, &NgsConnector::firstTickFinished, this, &PpmHandler::startPublishToNgs);
  connect(conn, &NgsConnector::spatialChanged,    this, &PpmHandler::onSpatialChanged);
  connect(conn, &NgsConnector::markingChanged,    this, &PpmHandler::onMarkingChanged);
  connect(conn, &NgsConnector::exconEngagement,   this, &PpmHandler::onExconEngagement);
  connect(conn, &NgsConnector::weaponFire,        this, &PpmHandler::onWeaponFire);
  connect(conn, &NgsConnector::gearChargeState,   this, &PpmHandler::onGearChargeState);
  connect(conn, &NgsConnector::cesHitInformation, this, &PpmHandler::onParticipantCesHit);
  connect(conn, &NgsConnector::equipmentState,    this, &PpmHandler::onEquipmentState);
  connect(conn, &NgsConnector::laserDesignation,  this, &PpmHandler::onLaserDesignation);
  connect(conn, &NgsConnector::sensorChanged,     this, &PpmHandler::onSensorDataChanged);

  return true;
}

ParticipantManagement::Role PpmHandler::roleForPartyId(int partyId)
{
  if (partyId <= 0)
    return ParticipantManagement::Role_def::Unknown;
  auto it = m_partyData.constFind(partyId);
  if (it == m_partyData.constEnd())
  {
    m_dtcPpm->waitForHistoricalDataParty();
    m_partyData = m_dtcPpm->partys();
    it = m_partyData.constFind(partyId);
    if (it == m_partyData.constEnd())
      return ParticipantManagement::Role_def::Unknown;
  }
  return it.value().role();
}

// DDS -> own memory
void PpmHandler::onTypeChanged(const ParticipantManagement::Type &data, DataModification modType)
{
  switch (modType)
  {
  case DataModification::eAdded:
  case DataModification::eModified:
    m_types[data.id()] = data;
    break;
  case DataModification::eRemoved:
    m_types.remove(data.id());
    break;
  }
}

int PpmHandler::getEquipmentNo(int participantId) const
{
  if (!m_partData.contains(participantId))
    return 0;

  const ParticipantManagement::Participant &p = m_partData[participantId];
  if (!p.equipmentNumber().is_set())
    return 0;

  return p.equipmentNumber().get();
}

int PpmHandler::getParticipantIdByExternalId(int externalId) const
{
  for(const auto &part : qAsConst(m_partData))
  {
    if (part.externalId() == externalId)
      return part.id();
  }
  return 0;
}

// DDS -> HLA
void PpmHandler::onDynamicParticipantDataChanged(const ParticipantManagement::DynamicParticipantData &data, DataModification modType)
{
  int equipmentNo = getEquipmentNo(data.participantId());
  if (equipmentNo == 0)
  {
    ERROR_LOG(m_logger) << "Could not find EquipmentNo for Participant " << data.participantId() << ". Cannot send Dynamic Participant Data Modification to HLA.";
    return;
  }

  switch (modType)
  {
  case DataModification::eAdded:
  case DataModification::eModified:
  {
    if (!m_ngsHandler->ngsConnector()->canPublishData())
      break;

    std::shared_ptr<NgsConnector> conn = m_ngsHandler->ngsConnector();

    const ParticipantManagement::StateInformation oldStateInfo = currentParticipantStateInformation(m_dynPartData.value(data.participantId()));
    const ParticipantManagement::StateInformation newStateInfo = currentParticipantStateInformation(data);
    // Improvement: Pass Originator to Connector, so the source can also be AES.
    if (oldStateInfo != newStateInfo)
    {
      m_dynPartData[data.participantId()] = data;
      if (newStateInfo.originatorType() == ProjectDataManagement::StateChangeOriginator::AreaEffectSimulation)
      {
        // Aes hit
        conn->setParticipantHit(equipmentNo,
                                newStateInfo,
                                getParticipantPosition(data.participantId()),
                                newStateInfo.originatorChargeTypeId(),
                                newStateInfo.originatorType(),
                                newStateInfo.originatorId());
      }
      else if (newStateInfo.originatorType() == ProjectDataManagement::StateChangeOriginator::Participant)
      {
        // direct hit
        conn->setParticipantHit(equipmentNo,
                                newStateInfo,
                                getParticipantPosition(data.participantId()),
                                newStateInfo.originatorChargeTypeId(),
                                newStateInfo.originatorType(),
                                getEquipmentNo(newStateInfo.originatorId()));
      }
      else
      {
        // TODO: ProjectDataManagement::StateChangeOriginator::OperatorController, ExerciseControl, WoundTreatmentDevice, MaintainanceDevice
        // reactivation or something similar
          conn->setParticipantHit(equipmentNo,
                                  newStateInfo,
                                  getParticipantPosition(data.participantId()),
                                  newStateInfo.originatorChargeTypeId(),
                                  newStateInfo.originatorType(),
                                  newStateInfo.originatorId());
      }
    }
    break;
  }
  case DataModification::eRemoved:
    m_dynPartData.remove(data.participantId());
    break;
  }
}

// DDS -> HLA
void PpmHandler::onParticipantChanged(const ParticipantManagement::Participant &data, DataModification modType)
{
  DEBUG_LOG(m_logger) << "onParticipantChanged: " << data;
  switch (modType)
  {
  case DataModification::eAdded:
    createParticipant(data);
    m_partData[data.id()] = data;
    break;
  case DataModification::eModified:
  {
    // Participant has been deleted
    if (data.isDeleted() && !m_partData[data.id()].isDeleted())
    {
      removeParticipant(m_partData[data.id()]); // Remove the old Equipment No
      removeParticipant(data); // If it has a new Equipment No, kill it also.
      m_partData[data.id()] = data;
      break;
    }

    // Participant is new // Shouldn't happen, as it is the Added case
    if (!m_partData.contains(data.id()))
    {
      createParticipant(data);
      m_partData[data.id()] = data;
      break;
    }

    // Only create/remove if Equipment Number changed...
    int  oldEqNo = m_partData[data.id()].equipmentNumber().is_set() ? m_partData[data.id()].equipmentNumber().get() : 0;
    int  newEqNo = data.equipmentNumber().is_set() ? data.equipmentNumber().get() : 0;
    if (oldEqNo != newEqNo)
    {
      removeParticipant(m_partData[data.id()]);
      createParticipant(data);
    }

    if (m_partData[data.id()].designator() != data.designator() && data.equipmentNumber().is_set())
      m_ngsHandler->ngsConnector()->setParticipantName(data.equipmentNumber().get(), QString::fromStdString(data.designator()));

    m_partData[data.id()] = data;
    break;
  }
  case DataModification::eRemoved:
    removeParticipant(data);
    m_partData.remove(data.id());
    break;
  }

  auto it = m_externalEquipmentNumbers.find(data.id());
  if (it == m_externalEquipmentNumbers.end())
  {
    // not found
    if (modType == DataModification::eRemoved || !data.equipmentNumber().is_set() || data.externalId() <= 0)
      return;
    int equipNo = data.equipmentNumber().get();
    m_externalEquipmentNumbers.insert(data.id(), equipNo);
    emit externalEquipmentNumberAdded(equipNo);
  }
  else
  {
    // found
    int oldEquipNo = it.value();
    if (modType == DataModification::eRemoved || !data.equipmentNumber().is_set() || data.externalId() <= 0)
    {
      m_externalEquipmentNumbers.erase(it);
      emit externalEquipmentNumberRemoved(oldEquipNo);
      return;
    }
    if (oldEquipNo != data.equipmentNumber().get())
    {
      emit externalEquipmentNumberRemoved(oldEquipNo);
      emit externalEquipmentNumberAdded(data.equipmentNumber().get());
      it.value() = data.equipmentNumber().get();
    }
  }
}

// DDS -> HLA
void PpmHandler::onParticipantPositionChanged(const ParticipantManagement::ParticipantPosition &data, DataModification modType)
{
  DEBUG_LOG(m_logger) << "onParticipantPositionChanged: " << data;
  switch (modType)
  {
  case DataModification::eAdded:
  case DataModification::eModified:
  {
    if (m_ngsHandler->ngsConnector()->canPublishData())
    {
      int eqNo = getEquipmentNo(data.participantId());
      if (eqNo == 0)
        return;
      ParticipantPosition pos(data.pos(), data.sampleTime());
      m_ngsHandler->ngsConnector()->setWorldLocation(eqNo, pos);
    }
    m_partPosData[data.participantId()] = data;
    break;
  }
  case DataModification::eRemoved:
    m_partPosData.remove(data.participantId());
    break;
  }
}

// HLA -> DDS
void PpmHandler::onSpatialChanged(int eqId, const ParticipantPosition &pos, qint64 simTimeMSecs)
{
  // NGSConnector already checked that the position changed significantly

  TrainingAreaBase::EquipmentPosition &position = m_observerPositions[eqId];

  position.position().position() = pos.toGeoPosition();
  position.equipmentNumber(eqId); // With SAAB, ExternalId and EqId are the same!
  position.sampleTime(simTimeMSecs);
  m_dtsTab->publish(position);
}


void PpmHandler::onSensorDataChanged(const TrainingAreaBase::SpecialSensorData &event)
{
  m_dtsTab->publish(event);
}

bool PpmHandler::onMarkingChanged(int eqId, const QString &marking, qint64 simTimeMSecs)
{
  Q_UNUSED(simTimeMSecs);
  // According to Ulli, the external (fixed) designation shall be the tactIdentifier. The designator thus is freely changeable.
  ParticipantManagement::ParticipantData p = m_dtcPpm->convertParticipantToParticipantData(m_dtcPpm->participant(m_dtcPpm->participantIdByEquipmentNumber(eqId)));
  if (p.tacticalIdentifier() == marking.toStdString())
    return true;
  p.tacticalIdentifier(marking.toStdString());
  ParticipantManagement::ModifyParticipantDataRequest req;
  req.data().push_back(std::move(p));
  return m_requestHelper->startSingleRequest([this, req]()
  {
    return m_ftcPpm->modifyParticipantDataRequest(req, this);
  });
}

// DDS -> own memory
void PpmHandler::onPartyChanged(const ParticipantManagement::Party &data, DataModification modType)
{
  switch (modType)
  {
  case DataModification::eAdded:
  case DataModification::eModified:
    m_partyData[data.id()] = data;
    break;
  case DataModification::eRemoved:
    m_partyData.remove(data.id());
    break;
  }
}

// DDS -> own memory
void PpmHandler::onChargeTypeChanged(const ProjectDataManagement::ChargeType &data, DataModification modType)
{
  switch (modType)
  {
  case DataModification::eAdded:
  case DataModification::eModified:
    m_chargeTypes[data.id()] = data;
    break;
  case DataModification::eRemoved:
    m_chargeTypes.remove(data.id());
    break;
  }
}

void PpmHandler::startPublishToNgs()
{
  INFO_LOG(m_logger) << "Recreating all players from scratch due to structure / exercise change";

  // 1. Cleanup
  m_createdParticipantIds.clear();

  // 2. Remove all virtual Players from database
  // not yet supporteed

  // 4. Recreate players
  INFO_LOG(m_logger) << "(Re)Adding all players, size: " << m_partData.size();

  for (const ParticipantManagement::Participant &participant : qAsConst(m_partData))
    createParticipant(participant);
}

void PpmHandler::participantInitRequest(const TrainingAreaBase::TetraIcd::Init &request)
{
  m_ngsHandler->ngsConnector()->sendParticipantInitRequest(request.header.equipmentNumber, request.resetManipulation, request.resetVulnerabilityState, request.restockCharges, request.header.timeStamp);
}

rpr2::DetonationResultCodeEnum8::ET PpmHandler::rpr2DetonationResultFromVulnerabilityState(TrainingAreaBase::TetraIcd::VulnerabilityState vulnerabilityState)
{
  // ICE only cares about EntityImpact and EntotyProximateDetonation. Everything else will be discarded
  rpr2::DetonationResultCodeEnum8::ET status = rpr2::DetonationResultCodeEnum8::None;
  switch(vulnerabilityState)
  {
  case TrainingAreaBase::TetraIcd::VulnerabilityState::CombatReady:
    status = rpr2::DetonationResultCodeEnum8::None;
    break;
  case TrainingAreaBase::TetraIcd::VulnerabilityState::LightDamage:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::MediumDamage:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::HeavyDamage:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::MobilityKill:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::VisibleMobilityKill:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::WeaponSystemDamage:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::VisibleWeaponSystemDamage:
    status = rpr2::DetonationResultCodeEnum8::AirHit;
    break;
  case TrainingAreaBase::TetraIcd::VulnerabilityState::CatastrophicKill:
    status = rpr2::DetonationResultCodeEnum8::EntityImpact;
    break;
  case TrainingAreaBase::TetraIcd::VulnerabilityState::TemporarySeverance:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::NearMiss:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::HitWithNoEffect:
    status = rpr2::DetonationResultCodeEnum8::EntityProximateDetonation;
    break;
  case TrainingAreaBase::TetraIcd::VulnerabilityState::VulnerabilityBitsChanged:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::Reserved:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::NContamination:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::BContamination:
  case TrainingAreaBase::TetraIcd::VulnerabilityState::CContamination:
    status = rpr2::DetonationResultCodeEnum8::Other;
    break;
  }

  return status;
}

rpr2::DetonationResultCodeEnum8::ET PpmHandler::rpr2DetonationResultFromPercentage(int percentage)
{
  rpr2::DetonationResultCodeEnum8::ET status = rpr2::DetonationResultCodeEnum8::EntityProximateDetonation;
  if (percentage > 0)
    status = rpr2::DetonationResultCodeEnum8::AirHit;
  if (percentage > 50)
    status = rpr2::DetonationResultCodeEnum8::EntityImpact;
  return status;
}

void PpmHandler::participantVulnerabilityStateRequest(const TrainingAreaBase::TetraIcd::DemandVulnerabilityStateChange &request)
{
  DEBUG_LOG(m_logger) << "Participant Vulnerability State Request";

  rpr2::DetonationResultCodeEnum8::ET resCode = rpr2DetonationResultFromVulnerabilityState(request.reqestedState);
  m_ngsHandler->ngsConnector()->sendMunitionDetonation(request.header.equipmentNumber,
                                                       ProjectDataManagement::ChargeType(),
                                                       0,
                                                       resCode,
                                                       request.header.timeStamp);
}

void PpmHandler::participantCesHitInformationRequest(const TrainingAreaBase::TetraIcd::CesHitInformation &request)
{
  rpr2::DetonationResultCodeEnum8::ET resCode = rpr2DetonationResultFromPercentage(request.effectPercent);
  ProjectDataManagement::ChargeType ct = chargeTypeFromTasCodeDirect(request.chargeTasCodeDirect);
  m_ngsHandler->ngsConnector()->sendMunitionDetonation(request.header.equipmentNumber,
                                                       ct,
                                                       request.originatorEquipmentNumber,
                                                       resCode,
                                                       request.header.timeStamp);
}

void PpmHandler::createParticipant(const ParticipantManagement::Participant &participant)
{
  // Only create participants that have no external ID.
  if (participant.externalId() > 0 || participant.equipmentNumber() == 0 || participant.isDeleted())
    return;

  if (!m_ngsHandler->ngsConnector()->canPublishData())
  {
    WARNING_LOG(m_logger) << "Can not publish data ... :(";
    return;
  }

  if (m_createdParticipantIds.contains(participant.id()))
    return;

  const ParticipantManagement::Type partType = getParticipantType(participant.typeId());
  bool bCreated;
  switch (partType.typeClass().underlying())
  {
  case ParticipantManagement::TypeClass_def::Human:
    bCreated = createHuman(participant);
    break;
  case ParticipantManagement::TypeClass_def::GroundVehicle:
  case ParticipantManagement::TypeClass_def::VehicleWithGear:
  case ParticipantManagement::TypeClass_def::WeaponSystem:
    bCreated = createGroundVehicle(participant);
    break;
  case ParticipantManagement::TypeClass_def::Aircraft:
    bCreated = createAircraft(participant);
    break;
  case ParticipantManagement::TypeClass_def::SupportEntity:
  case ParticipantManagement::TypeClass_def::Unit:
//    bCreated = createUnit(participant);
//    break;
  case ParticipantManagement::TypeClass_def::Vessel:
//    bCreated = createVessel(participant);
//    break;
  default:
    bCreated = false;
  }

  if (!bCreated)
    return;

  m_createdParticipantIds += participant.id();
}

bool PpmHandler::removeParticipant(const ParticipantManagement::Participant &participant)
{
  if (!participant.equipmentNumber().is_set() || participant.equipmentNumber().get() == 0)
    return false;

  return m_ngsHandler->ngsConnector()->removeBaseEntity(participant.equipmentNumber().get());
}

//bool PpmHandler::createUnit(const ParticipantManagement::Participant &participant)
//{
//  const ParticipantInformation pi(participant2ParticipantInformation(participant));
//  return m_ngsHandler->ngsConnector()->addAggregateEntity(pi, participant.inferiorIds());
//}

bool PpmHandler::createHuman(const ParticipantManagement::Participant &participant)
{
  const ParticipantInformation pi(participant, getTypestruct(participant.typeId()), getParticipantPosition(participant.id()));
  return m_ngsHandler->ngsConnector()->addHuman(pi, currentVulnerabilityState(participant.id()));
}

bool PpmHandler::createGroundVehicle(const ParticipantManagement::Participant &participant)
{
  const ParticipantInformation pi(participant, getTypestruct(participant.typeId()), getParticipantPosition(participant.id()));
  return m_ngsHandler->ngsConnector()->addGroundVehicle(pi, currentVulnerabilityState(participant.id()));
}

bool PpmHandler::createAircraft(const ParticipantManagement::Participant &participant)
{
  const ParticipantInformation pi(participant, getTypestruct(participant.typeId()), getParticipantPosition(participant.id()));
  return m_ngsHandler->ngsConnector()->addLongBowApache(pi, currentVulnerabilityState(participant.id()));
}

TypeStruct PpmHandler::getTypestruct(int typeId)
{
  dds::core::vector<rti::core::int64> disEntities = getParticipantType(typeId).disEntities();
  if (disEntities.size())
    return TypeStruct::fromDisInt(disEntities.at(0)); // First is relevant for sending

  return TypeStruct();
}

ParticipantManagement::Type PpmHandler::getParticipantType(int typeId)
{
  auto it = m_types.constFind(typeId);
  if (it == m_types.constEnd())
  {
    m_dtcPpm->waitForHistoricalDataType();
    m_types = m_dtcPpm->types();
    it = m_types.constFind(typeId);
    if (it == m_types.constEnd())
      return ParticipantManagement::Type();
  }
  return it.value();
}

ProjectDataManagement::VulnerabilityState PpmHandler::currentVulnerabilityState(int participantId) const
{
  ProjectDataManagement::VulnerabilityState ts;

  auto itPartData = m_dynPartData.find(participantId);
  if (itPartData != m_dynPartData.end())
  {
    const auto &sh = itPartData.value().stateHistory();
    if (sh.size() != 0)
    {
      size_t idxCurrent = 0;
      for (size_t i = 1;  i < sh.size(); ++i)
      {
        if (sh.at(idxCurrent).stateTime() < sh.at(i).stateTime())
          idxCurrent = i;
      }
      ts  = sh.at(idxCurrent).vulnerabilityState();
      return ts;
    }
  }
  ts = ProjectDataManagement::VulnerabilityState_def::TemporarySeverance;
  return ts;
}

ParticipantManagement::StateInformation PpmHandler::currentParticipantStateInformation(int participantId) const
{
  auto itPartData = m_dynPartData.find(participantId);
  if (itPartData != m_dynPartData.end())
    return currentParticipantStateInformation(itPartData.value());
  return ParticipantManagement::StateInformation();
}

ParticipantManagement::StateInformation PpmHandler::currentParticipantStateInformation(const ParticipantManagement::DynamicParticipantData &data)
{
  const auto &sh = data.stateHistory();
  if (sh.size() == 0)
    return ParticipantManagement::StateInformation();

  size_t idxCurrent = 0;
  for (size_t i = 1;  i < sh.size(); ++i)
  {
    if (sh.at(idxCurrent).stateTime() < sh.at(i).stateTime())
      idxCurrent = i;
  }
  return sh.at(idxCurrent);
}

dds::core::vector<ParticipantManagement::GearInformation> PpmHandler::currentParticipantGearInformation(int participantId) const
{
  auto itPartData = m_dynPartData.find(participantId);
  if (itPartData != m_dynPartData.end())
    return itPartData.value().gear();
  return dds::core::vector<ParticipantManagement::GearInformation>();
}

dds::core::vector<ParticipantManagement::ManipulationInformation> PpmHandler::currentParticipantManipulationInformation(int participantId) const
{
  auto itPartData = m_dynPartData.find(participantId);
  if (itPartData != m_dynPartData.end())
    return itPartData.value().manipulation();
  return dds::core::vector<ParticipantManagement::ManipulationInformation>();
}

ProjectDataManagement::ChargeType PpmHandler::chargeTypeFromId(int chargeTypeId)
{
  auto it = m_chargeTypes.constFind(chargeTypeId);
  if (it == m_chargeTypes.constEnd() && m_dtcPdm)
  {
    m_dtcPdm->waitForHistoricalDataChargeType();
    m_chargeTypes = m_dtcPdm->chargeTypes();
    it = m_chargeTypes.constFind(chargeTypeId);
  }
  return (it == m_chargeTypes.constEnd()) ? ProjectDataManagement::ChargeType() : it.value();
}

ProjectDataManagement::ChargeType PpmHandler::chargeTypeFromDisEntity(const std::string &disEntity)
{
  if (m_chargeTypes.isEmpty() && m_dtcPdm)
  {
    m_dtcPdm->waitForHistoricalDataChargeType();
    m_chargeTypes = m_dtcPdm->chargeTypes();
  }

  for (const auto &item : qAsConst(m_chargeTypes))
  {
    if (item.disEntity() == disEntity)
      return item;
  }
  return ProjectDataManagement::ChargeType();
}

ProjectDataManagement::ChargeType PpmHandler::chargeTypeFromTasCodeDirect(int32_t tasCode)
{
  if (m_chargeTypes.isEmpty() && m_dtcPdm)
  {
    m_dtcPdm->waitForHistoricalDataChargeType();
    m_chargeTypes = m_dtcPdm->chargeTypes();
  }

  for (const auto &item : qAsConst(m_chargeTypes))
  {
    if (item.legacyId() == tasCode)
      return item;
  }
  return ProjectDataManagement::ChargeType();
}

int PpmHandler::gearTypeIdFromChargeTypeId(int chargeTypeId)
{
  if (m_gearTypeChargeTypes.isEmpty() && m_dtcPdm)
  {
    m_dtcPdm->waitForHistoricalDataGearTypeChargeType();
    m_gearTypeChargeTypes = m_dtcPdm->gearTypeChargeTypes();
  }

  int gearTypeId = 999999999;
  for (const auto &item : qAsConst(m_gearTypeChargeTypes))
  {
    if (item.chargeTypeId() == chargeTypeId)
      if (item.gearTypeId() < gearTypeId)
        gearTypeId = item.gearTypeId();
  }
  if (gearTypeId == 999999999)
    return 0;
  return gearTypeId;
}


rpr2::ForceIdentifierEnum8::ET PpmHandler::getRprForceIdentifierFromPpmForceIdentifier(const ParticipantManagement::HlaForceIdentifierEnum& ppmForceIdentifier) const
{
  rpr2::ForceIdentifierEnum8::ET eqfi = rpr2::ForceIdentifierEnum8::Other;
  switch (ppmForceIdentifier.underlying()) {
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_1:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_2:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly_2;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_3:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly_3;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_4:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly_4;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_5:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly_5;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_6:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly_6;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_7:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly_7;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_8:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly_8;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_9:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly_9;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Friendly_10:
    eqfi = rpr2::ForceIdentifierEnum8::Friendly_10;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_1:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_2:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing_2;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_3:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing_3;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_4:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing_4;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_5:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing_5;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_6:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing_6;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_7:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing_7;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_8:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing_8;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_9:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing_9;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Opposing_10:
    eqfi = rpr2::ForceIdentifierEnum8::Opposing_10;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_1:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_2:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral_2;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_3:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral_3;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_4:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral_4;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_5:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral_5;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_6:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral_6;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_7:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral_7;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_8:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral_8;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_9:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral_9;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Neutral_10:
    eqfi = rpr2::ForceIdentifierEnum8::Neutral_10;
    break;
  case ParticipantManagement::HlaForceIdentifierEnum_def::Other:
    eqfi = rpr2::ForceIdentifierEnum8::Other;
    break;
  }
  return eqfi;
}

int PpmHandler::partyIdFromForceIdentifier(rpr2::ForceIdentifierEnum8::ET fi)
{
  if (m_partyData.isEmpty() && m_dtcPpm)
  {
    m_dtcPpm->waitForHistoricalDataParty();
    m_partyData = m_dtcPpm->partys();
  }

  for (const ParticipantManagement::Party &item : qAsConst(m_partyData))
  {
    if (fi == getRprForceIdentifierFromPpmForceIdentifier(item.hlaForceIdentifier()))
      return item.id();
  }
  return -1;
}

rpr2::ForceIdentifierEnum8::ET PpmHandler::forceIdentifierFromPartyId(int partyId)
{
  if (m_partyData.isEmpty() && m_dtcPpm)
  {
    m_dtcPpm->waitForHistoricalDataParty();
    m_partyData = m_dtcPpm->partys();
  }

  if (!m_partyData.contains(partyId))
    return rpr2::ForceIdentifierEnum8::Other;

  return getRprForceIdentifierFromPpmForceIdentifier(m_partyData[partyId].hlaForceIdentifier());
}

void PpmHandler::onModifyParticipantDataReply(const Core::FunctionReplyObject &replyObject)
{
  m_requestHelper->requestReply(replyObject);
}

void PpmHandler::onDemandInitReply(const Core::FunctionReplyObject &reply)
{
  m_requestHelper->requestReply(reply);
}

void PpmHandler::onDemandVulnerabilityStateChangeReply(const Core::FunctionReplyObject &reply)
{
  m_requestHelper->requestReply(reply);
}

void PpmHandler::onSendCesHitInformationReply(const Core::FunctionReplyObject &reply)
{
  m_requestHelper->requestReply(reply);
}

ParticipantPosition PpmHandler::getParticipantPosition(int participantId) const
{
  auto itPartPos = m_partPosData.find(participantId);
  if (itPartPos == m_partPosData.end())
    return ParticipantPosition();

  ParticipantPosition pp(itPartPos.value().pos());
  pp.msec = itPartPos.value().sampleTime();

  return pp;
}

void PpmHandler::onParticipantHit(const GuezHitStruct &hitStruct)
{
  const auto ct = chargeTypeFromDisEntity(hitStruct.originatorChargeTypeEtsString.toStdString());

  TrainingAreaBase::TabPosition pos;
  pos.position(hitStruct.position);
  pos.reportingSource(Core::PositionReportingSource_def::External);

  TrainingAreaBase::EquipmentState es;
  es.equipmentNumber(hitStruct.targetId);
  es.originatorChargeTypeId(ct.id());
  if (hitStruct.originatorType.underlying() == ProjectDataManagement::StateChangeOriginator_def::AreaEffectSimulation)
  {
    int aesItemId = 0;
    if (m_dtcAes->aesItemIdFromExternalId(hitStruct.originatorId, aesItemId) == AreaEffectSimulation::AesType_def::AtUnknown)
      es.originatorId(hitStruct.originatorId % 10); // Not found, therefore it is our AesItem that is sent with (AesItemId * 10)
    else
      es.originatorId(aesItemId);
  }
  else
  {
    es.originatorId(hitStruct.originatorId);
  }
  es.originatorType(hitStruct.originatorType);
  es.sampleTime(hitStruct.sampleTime);
  es.vulnerabilityBits(hitStruct.vulnerabilityBits);
  es.vulnerabilityKindId(hitStruct.vulnerabilityKind);
  es.vulnerabilityState(hitStruct.vulnerabilityState);
  if (!qIsNull(hitStruct.position.lat()) || !qIsNull(hitStruct.position.lon()))
    es.position(pos);
  m_dtsTab->publish(es);
  // Damage Model recognizes change of Manipulation for itself and calls the Slot all by itself.
  // onManipulationChanged(hitStruct.targetId, hitStruct.vulnerabilityBits & rpr2::TotalStatusEnum32::Manipulation, es.sampleTime());
}

void PpmHandler::onParticipantInit(int eqNo, bool resetManipulation, bool resupplyAmmo, bool resetVulnerabilityState)
{
  TrainingAreaBase::DemandInitRequest dir;
  dir.equipmentNumbers().push_back(eqNo);
  dir.requestId(1);
  dir.resetManipulation(resetManipulation);
  dir.restockCharges(resupplyAmmo);
  dir.resetVulnerabilityState(resetVulnerabilityState);

  m_requestHelper->startSingleRequest([this, dir]()
  {
    return m_ftcTab->demandInitRequest(dir, this);
  });

}

void PpmHandler::onParticipantCesHit(const TrainingAreaBase::SendCesHitInformation &request)
{
  m_ftcTab->sendCesHitInformationRequest(request, this);
}

void PpmHandler::onLaserDesignation(const TrainingAreaBase::LaserDesignation &request)
{
  m_dtsTab->publish(request);
}

void PpmHandler::onWeaponFire(const TrainingAreaBase::EquipmentGearEvent &event)
{
  m_dtsTab->publish(event);
}

void PpmHandler::onGearChargeState(const TrainingAreaBase::EquipmentGearChargeState &event)
{
  m_dtsTab->publish(event);
}

void PpmHandler::onGearAssignment(const TrainingAreaBase::EquipmentGearAssignment &event)
{
  m_dtsTab->publish(event);
}

void PpmHandler::onEquipmentState(const TrainingAreaBase::EquipmentState &event)
{
  m_dtsTab->publish(event);
}

bool PpmHandler::onExconEngagement(int eqNo, const ProjectDataManagement::VulnerabilityState &state)
{
  if (state != ProjectDataManagement::VulnerabilityState_def::CombatReady)
  {
    TrainingAreaBase::DemandVulnerabilityStateChangeRequest req;
    req.equipmentNumbers().push_back(eqNo);
    req.requestId(1); // irrelevant
    req.vulnerabilityState(state);

    return m_requestHelper->startSingleRequest([this, req]()
    {
      return m_ftcTab->demandVulnerabilityStateChangeRequest(req, this);
    });
  }

  TrainingAreaBase::DemandInitRequest req;
  req.equipmentNumbers().push_back(eqNo);
  req.resetVulnerabilityState(true);

  return m_requestHelper->startSingleRequest([this, req]()
  {
    return m_ftcTab->demandInitRequest(req, this);
  });
}

} // namespace HighLevelArchitecture