/**
  * @RDE_HEADER@
  * Interface
  * $Id$
  * $HeadURL$
  * $Author$
  */

// Own
#include "hitlineinfo_to_map.h"
#include "pdm_handler.h"
#include <Map/object_factory.h>
#include <Map/map.h>

#include <LtsCoordTrans/lts_coord_trans.h>
#include <LtsUtilsCore/outdated_position.h>
#include <MathUtils/simple_helper.h>
#include <PluginInterfaces/gui_plugin_interface.h>
#include <Plugins/ParticipantManagement/ppm_data_plugin_interface.h>
// Qt
#include <QDateTime>
#include <QTimer>


namespace SituationMap
{

HitlineInfo2SituationMap::HitlineInfo2SituationMap(PdmHandler *pdmHandler,
                                                   Participant2SituationMap *participant2SituationMap,
                                                   ObjectFactory &objFac,
                                                   const QString &layername,
                                                   int drawOrder,
                                                   const char *loggerName)
  : BaseClass(objFac, layername, drawOrder, loggerName)
  , FilterClass(loggerName, this)
  , m_pdmHandler(pdmHandler)
  , m_participant2SituationMap(participant2SituationMap)
  , m_pBuildingHitlineCleanupTimer(new QTimer(this))
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
  m_pBuildingHitlineCleanupTimer->setInterval(1000 * 60 * 5); // every 5 min should be enough
  connect(m_pBuildingHitlineCleanupTimer, &QTimer::timeout, this, &HitlineInfo2SituationMap::onCleanupBuildingHitlines);
  m_pBuildingHitlineCleanupTimer->start();
  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
}

HitlineInfo2SituationMap::~HitlineInfo2SituationMap()
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
}

int32_t HitlineInfo2SituationMap::getSimId(const Sim2SituationMap::DDS_T &ddsData) const
{
  return ddsData.id();
}

bool HitlineInfo2SituationMap::init(PluginProvider *pluginProvider)
{
  if (!pluginProvider ||
      !pluginProvider->ppmDtc())
    return false;

  m_pluginProvider = pluginProvider;
  m_ppmDtc = pluginProvider->ppmDtc();

  if (!m_ppmDtc)
    return false;

  auto bldDtc = m_pluginProvider->bldDtc();
  if (bldDtc)
  {
    connect(bldDtc.get(), &Buildings::Interface::Dtc::buildingHitLineInfoChanged,
            this, &HitlineInfo2SituationMap::onBuildingHitlineInfoChanged);
    bldDtc->buildingHitLineInfos([this](const Buildings::BuildingHitLineInfo & data)
    {
      onBuildingHitlineInfoChanged(data, DataModification::eAdded);
    });
  }

  // FilterManagement:
  FilterClass::init(m_pluginProvider);

  // PartitionTime
  connect(m_pluginProvider, &PluginProvider::partitionTimeChanged,
          this, &HitlineInfo2SituationMap::onPartitionTimeChanged);

  return true;
}

bool HitlineInfo2SituationMap::run()
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
  if (!m_ppmDtc)
  {
    ERROR_LOG(m_logger) << LOGFUNCTION << " no dtc";
    return false;
  }

  connect(m_ppmDtc.get(), &ParticipantManagement::Interface::Dtc::hitLineInfoChanged,
          this, &HitlineInfo2SituationMap::onHitLineInfoChanged);

  // get Hitlines:
  m_ppmDtc->hitLineInfos([this](const Sim2SituationMap::DDS_T & ddsData)
  {
    onHitLineInfoChanged(ddsData, DataModification::eAdded);
  });

  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
  return true;
}

void HitlineInfo2SituationMap::stop()
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
  if (m_ppmDtc)
    m_ppmDtc->disconnect(this);
  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
}

bool HitlineInfo2SituationMap::isElapsed(const ParticipantManagement::HitLineInfo &ddsData) const
{
  // true -> hide
  // false -> show

  // GUEZE-2861 says we have to create LTD this way again
  //#########################################################
  // GUEZE-2550:
  // No LTD is created this way...
  //  if (m_pdmHandler->isLTDChargeType(ddsData.chargeTypeId()))
  //    return true;
  //#########################################################

  // [GUEZE-495]: 3D Lagedarstellung Trefferlinien
  // Data of real life: HitLineInfo contains (0,0,0)
  // Therefore the HitLine was densified to ~600000 vertices!!!
  // The slowed down the OpApp dramatically!!
  // Fix: ignore Hitlines with this -> elapsed
  const Core::GeoPosition &startGeoPos = ddsData.originatorPos();
  const Core::GeoPosition &endGeoPos   = ddsData.injuryPos();
  {
    Point3D dummy(startGeoPos.lon(), startGeoPos.lat(), startGeoPos.z());
    if (dummy.isNull())
      return true;
  }
  {
    Point3D dummy(endGeoPos.lon(), endGeoPos.lat(), endGeoPos.z());
    if (dummy.isNull())
      return true;
  }

  // GUEZE-495: RPL Nr 769: 3D Lagedarstellung Trefferlinien
  // [DoD]: Es werden in der 3D-Ansicht keinerlei Trefferlinien oder deren
  // Bestandteile angezeigt, bei denen der Start- und/oder Endpunkt unterhalb
  // der Erdoberfläche liegt. In der 2D-Ansicht werden weiterhin alle
  // Trefferlinien (ober- sowie unterirdisch) angezeigt.
  if (m_objFac.map() && (m_objFac.map()->mode() == Mode::Mode_3D))
  {
    if (startGeoPos.z() < 0)
      return true;
    if (endGeoPos.z() < 0)
      return true;
  }

  return false;
}

bool HitlineInfo2SituationMap::mapObjectsClicked(const QVector<UniqueMapId> &uniqueMapIds)
{
  auto ppmParticipantInfoIfc = m_pluginProvider->ppmParticipantInfoIfc();
  if (!ppmParticipantInfoIfc)
    return false;

  const QVector<qint32> &simIds = uniqueMapIds2SimIds(uniqueMapIds);
  if (simIds.isEmpty())
    return true;

  ppmParticipantInfoIfc->showHitLineInfoWindow(simIds);
  return true;
}

QString HitlineInfo2SituationMap::chargeTypeIdentifier(const int32_t originatorChargeTypeId) const
{
  if (!m_pdmHandler)
    return QStringLiteral("ctId_%1").arg(originatorChargeTypeId);

  QString chargeTypeString = m_pdmHandler->trChargeTypeShortName(originatorChargeTypeId);
  if (chargeTypeString.isEmpty())
    return QStringLiteral("ctId_%1").arg(originatorChargeTypeId);
  return chargeTypeString;
}

bool HitlineInfo2SituationMap::unifiedMapObjectData(UniqueMapId uniqueMapId, UnifiedMapObjectData &umodOut) const
{
  if (!m_ppmDtc)
    return false;

  int32_t simIdOut = -1;
  if (!this->uniqueMapId2SimId(uniqueMapId, simIdOut))
    return false;

  umodOut = UnifiedMapObjectData();
  RefPointer<MAP_T> mapObj = this->getMapObjectOfUniqueMapId(uniqueMapId);
  if (mapObj.valid())
    umodOut.m_image = mapObj->previewImage();

  const auto cb = [this, simIdOut, &umodOut](const Sim2SituationMap::DDS_T & ddsData) -> bool
  {
    if (ddsData.id() == simIdOut)
    {
      umodOut.m_partyId         = ddsData.originatorPartyId();
      const int32_t originatorChargeTypeId = ddsData.chargeTypeId();
      umodOut.m_description1    = chargeTypeIdentifier(originatorChargeTypeId);
      return true; // break loop
    }
    return false;
  };
  // sonst kann sich der compiler nicht zwischen bool und void entscheiden... !?
  std::function<bool(const Sim2SituationMap::DDS_T &ddsData)> cb1 = cb;
  return m_ppmDtc->hitLineInfos(cb1);
}

bool HitlineInfo2SituationMap::onHitLineInfoChanged(const Sim2SituationMap::DDS_T &ddsData,
                                                    DataModification modType)
{
  DEBUG_LOG(m_logger) << LOGFUNCTION << " START"
                      << ", ddsData.id()=" << ddsData.id()
                      << ", ddsData.injuryBuildingId()=" << ddsData.injuryBuildingId()
                      << ", modType=" << modType
                      << ", m_buildingHits.size()=" << m_buildingHits.size();

  // avoid construction if invisible due to BldgHitline?
  if (((modType==DataModification::eAdded) || (modType==DataModification::eModified)) &&
      (!visibleByBldgHitlines(ddsData))
      )
  {
    DEBUG_LOG(m_logger) << "Not showing participant hitline " << ddsData <<
                           " since there is already a hitline on the building";
    return true;
  }

  updateDdsDataContainer(ddsData, modType);        // helpfull for FilterManagement/onSymbolAppearanceSettingsChanged
  return handleChanged(ddsData, modType);
}

// same as in building viewer (BuildingViewerDdsController)
void HitlineInfo2SituationMap::onBuildingHitlineInfoChanged(const Buildings::BuildingHitLineInfo &data, DataModification modType)
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START"
                      << ", data.id()=" << data.id()
                      << ", data.originatorParticipantId()=" << data.originatorParticipantId()
                      << ", data.buildingId()=" << data.buildingId()
                      << ", modType=" << modType
                      << ", m_buildingHits.size()=" << m_buildingHits.size();

  if (modType != DataModification::eAdded && modType != DataModification::eModified)
    return;

  BuildingHit bh;
  bh.sampleTime = data.sampleTime();
  bh.originatorParticipantId = data.originatorParticipantId();
  bh.chargeTypeId = data.chargeTypeId();
  m_buildingHits[data.buildingId()].push_back(bh);

  TRACE_LOG(m_logger) << LOGFUNCTION << " END"
                      << ", data.id()=" << data.id()
                      << ", data.originatorParticipantId()=" << data.originatorParticipantId()
                      << ", data.buildingId()=" << data.buildingId()
                      << ", modType=" << modType
                      << ", m_buildingHits.size()=" << m_buildingHits.size();
}

void HitlineInfo2SituationMap::onCleanupBuildingHitlines()
{
  const qint64 tNow = QDateTime::currentMSecsSinceEpoch();
  const auto isOutdated = [tNow](const BuildingHit &bh)
  {
    return LtsUtils::isPositionTimeOutdated(tNow, bh.sampleTime);
  };
  for (auto &hitLines : m_buildingHits)
    hitLines.erase(std::remove_if(hitLines.begin(), hitLines.end(), isOutdated), hitLines.end());
}

bool HitlineInfo2SituationMap::createElement(const DDS_T &ddsData)
{
  const int32_t simId = getSimId(ddsData);
  if (!m_simId2UniqueMapId.contains(simId))
  {
    INFO_LOG(m_logger) << LOGFUNCTION << " new Hitline !!!!" << " simId = " << simId;

    const SpecialChargeType specialChargeTypeId = m_pdmHandler->isSpecialChargeType(ddsData.chargeTypeId());
    if (PdmHandler::isChargeTypeLtdOrLrf(specialChargeTypeId))
      m_participant2SituationMap->onParticipantFakeGearEventChanged(ddsData.originatorParticipantId(), ddsData.sampleTime(), specialChargeTypeId);

    // Note:
    // do not remove the FakeEvent from m_participant2SituationMap
    // if there are two fake events: 1st at 10sec, 2nd at 20sec.
    // the removeElement of the first must not remove the originatorParticipantId
    // at m_participant2SituationMap
    // Norbert Thoden, 2023-06-22
  }

  return BaseClass::createElement(ddsData);
}

bool HitlineInfo2SituationMap::updateElementImpl(const Sim2SituationMap::DDS_T &ddsData,
                                                 RefPointer<MAP_T> mapObj)
{
  const qint32 hitlineId = ddsData.id();
  TRACE_LOG(m_logger) << LOGFUNCTION << " START" << " id=" << hitlineId;

  // mapObj->setPickable(true); // default: pickable == true
  mapObj->setVisibility(SituationMap::ObjectAppearance::Tactical,  false);
  mapObj->rLineStyle().setLineWidth(3);  // will influence LineWith and ArrowSize

  // Line Style
  LineStyle ls = mapObj->lineStyle();

  const SpecialChargeType sct = m_pdmHandler->isSpecialChargeType(ddsData.chargeTypeId());
  switch (sct)
  {
  case SpecialChargeType::LRF:
    ls.setLinePattern(LinePattern::Dot);
    break;
  case SpecialChargeType::LTD:
    ls.setLinePattern(LinePattern::Solid);
    break;
  case SpecialChargeType::NoneSpecial:
  default:
    ls.setLinePattern(LinePattern::Dash);
  } // switch

  mapObj->setLineStyle(ls);

  // PartyId:
  mapObj->setPartyId(ddsData.originatorPartyId());

  // Identifier
  const int32_t originatorChargeTypeId = ddsData.chargeTypeId();
  mapObj->setIdentifier(chargeTypeIdentifier(originatorChargeTypeId));


  // setStartAndEndPoint
  const Core::GeoPosition &startGeoPos = ddsData.originatorPos();
  const Core::GeoPosition &endGeoPos   = ddsData.injuryPos();
  mapObj->setStartAndEndPoint(Point3D(startGeoPos.lon(), startGeoPos.lat(), startGeoPos.z()),
                              Point3D(endGeoPos.lon(), endGeoPos.lat(), endGeoPos.z()));

  // FilterManagement:
  handleSymbolAppearanceSettings(mapObj, ddsData);

  TRACE_LOG(m_logger) << LOGFUNCTION << " END" << " id=" << hitlineId;
  return true;
}

void HitlineInfo2SituationMap::onSymbolAppearanceSettingsChanged(FilterManagement::SymbolAppearanceSettings::Part part)
{
  if ((part != FilterManagement::SymbolAppearanceSettings::Part::All) &&
      (part != FilterManagement::SymbolAppearanceSettings::Part::Symbol))
    return;

  // Part::All || Part::Symbol
  const bool relevant = symbolAppearanceSettingsChangesAreRelevant(m_symbolAppearanceSettings->settings());

  m_currentSymbolSettings = m_symbolAppearanceSettings->settings();

  if (!relevant)
    return;

  handleSymbolAppearanceSettings();
}

bool HitlineInfo2SituationMap::symbolAppearanceSettingsChangesAreRelevant(const FilterManagement::SymbolAppearanceSettings::Settings &newSas) const
{
  return qFuzzyCompare(m_currentSymbolSettings.symbolSettings.symbolScale, newSas.symbolSettings.symbolScale) ||
         (m_currentSymbolSettings.symbolSettings.symbolPartyAppearance != newSas.symbolSettings.symbolPartyAppearance) ||
         (m_currentSymbolSettings.symbolSettings.hitLineDisplayLengthMSec != newSas.symbolSettings.hitLineDisplayLengthMSec||
         (m_currentSymbolSettings.symbolSettings.lrfLineDisplayLengthMSec != newSas.symbolSettings.lrfLineDisplayLengthMSec)||
         (m_currentSymbolSettings.symbolSettings.ltdLineDisplayLengthMSec != newSas.symbolSettings.ltdLineDisplayLengthMSec));
}

void HitlineInfo2SituationMap::handleSymbolAppearanceSettings()
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START" << " m_ddsDataContainer.size()=" << m_ddsDataContainer.size();

  for (const ParticipantManagement::HitLineInfo &hitline : qAsConst(m_ddsDataContainer))
  {
    RefPointer<MAP_T> mapObj = getMapObjectOfSimId(hitline.id());
    if (!mapObj.valid())
      continue;

    handleSymbolAppearanceSettings(mapObj, hitline);
  } // for
  TRACE_LOG(m_logger) << LOGFUNCTION << " END" << " m_ddsDataContainer.size()=" << m_ddsDataContainer.size();
}

void HitlineInfo2SituationMap::handleSymbolAppearanceSettings(RefPointer<MAP_T> mapObj, const Sim2SituationMap::DDS_T &ddsData)
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START" << " ddsData.id()=" << ddsData.id()
                      << ", mapObj = " << mapObj->debugInfo();

  const FilterManagement::SymbolAppearanceSettings::Settings &filterSettings = m_symbolAppearanceSettings->settings();
  mapObj->setScale(filterSettings.symbolSettings.symbolScale);

  bool bUncertain = false;
  const bool isVisi = isVisible(ddsData, &bUncertain);
  if (bUncertain)
  {
    // N. Thoden, 25.09.2020
    // Do NOT store mapObj at lambda! The lambda will be destroyed AFTER
    // HitlineInfo2SituationMap and the ESRI map. So the RefPointer is still
    // holding a MapObject. The destruction will fail due to non-existing ESRI map...
    QTimer::singleShot(200, this, [this, ddsData]()
    {
      RefPointer<MAP_T> mapObj = getMapObjectOfSimId(ddsData.id());
      if (!mapObj.valid())
        return;
      handleSymbolAppearanceSettings(mapObj, ddsData);
    });
  }
  if (mapObj->visibility() != isVisi)
  {
    mapObj->setVisibility(isVisi);
    if (!mapObj->updateView())
      WARNING_LOG(m_logger) << LOGFUNCTION << " updateView failed,"
                            << " mapObj = " << mapObj->debugInfo();
  }
  TRACE_LOG(m_logger) << LOGFUNCTION << " END" << " ddsData.id()=" << ddsData.id()
                      << ", mapObj = " << mapObj->debugInfo();
}

bool HitlineInfo2SituationMap::isVisible(const Sim2SituationMap::DDS_T &ddsData, bool *bUncertain) const
{
  return
      visibleByBldgHitlines(ddsData) &&
      visibleBySymbolPartyAppearance(ddsData) &&
      visibleByHitLineDisplayLength(m_pluginProvider->partitionTime(), ddsData) && // partitionTime() -> msec
      visibleByParticipants(ddsData, bUncertain);
}

bool HitlineInfo2SituationMap::visibleBySymbolPartyAppearance(const Sim2SituationMap::DDS_T &ddsData) const
{
  const FilterManagement::SymbolAppearanceSettings::Settings &filterSettings = m_symbolAppearanceSettings->settings();
  const auto spa = filterSettings.symbolSettings.symbolPartyAppearance.value(ddsData.originatorPartyId());
  return spa.isVisible;
}

bool HitlineInfo2SituationMap::visibleByParticipants(const Sim2SituationMap::DDS_T &ddsData, bool *bUncertain) const
{
  // show hitline only if
  // ddsData.originatorParticipantId() && ddsData.injuryParticipantId() are visible:

  if (!m_participant2SituationMap)
    return true;

  bool bParticipant1Exists = true;
  bool bParticipant2Exists = true;
  bool visi =
    m_participant2SituationMap->isParticipantVisible(ddsData.originatorParticipantId(), &bParticipant1Exists) &&
    m_participant2SituationMap->isParticipantVisible(ddsData.injuryParticipantId(), &bParticipant2Exists);

  if ((!bParticipant1Exists || !bParticipant2Exists) && bUncertain)
    *bUncertain = true;
  return visi;
}

bool HitlineInfo2SituationMap::visibleByBldgHitlines(const Sim2SituationMap::DDS_T &ddsData) const
{
  auto itBuildingHit = m_buildingHits.constFind(ddsData.injuryBuildingId());
  if (itBuildingHit != m_buildingHits.constEnd())
  {
    const QVector<BuildingHit> &bHits = itBuildingHit.value();

    // get displayLength according chargeTypeId:
    qint64 displayLength = m_currentSymbolSettings.symbolSettings.hitLineDisplayLengthMSec;
    const SpecialChargeType sct = m_pdmHandler->isSpecialChargeType(ddsData.chargeTypeId());
    switch (sct)
    {
    case SpecialChargeType::LRF:
      displayLength = m_currentSymbolSettings.symbolSettings.lrfLineDisplayLengthMSec;
      break;
    case SpecialChargeType::LTD:
      displayLength = m_currentSymbolSettings.symbolSettings.ltdLineDisplayLengthMSec;
      break;
    case SpecialChargeType::NoneSpecial:
    default:
      // empty
      break;
    } // switch


    // player is in a building which got hit in the last few minutes
    for (const BuildingHit &bh : bHits)
    {
      if (bh.chargeTypeId == ddsData.chargeTypeId() &&
          bh.originatorParticipantId == ddsData.originatorParticipantId() &&
          ddsData.sampleTime() - displayLength < bh.sampleTime)
      {
        DEBUG_LOG(m_logger) << "Not showing participant hitline " << ddsData << " since there is already a hitline on the building";
        return false;
      }
    }
  }
  return true;
}

bool HitlineInfo2SituationMap::visibleByHitLineDisplayLength(const qint64 newPartitionTime, const Sim2SituationMap::DDS_T &ddsData) const
{
  const qint64 stateTime = ddsData.sampleTime();
  qint64 displayLength = m_currentSymbolSettings.symbolSettings.hitLineDisplayLengthMSec;

  const SpecialChargeType sct = m_pdmHandler->isSpecialChargeType(ddsData.chargeTypeId());
  switch (sct)
  {
  case SpecialChargeType::LRF:
    displayLength = m_currentSymbolSettings.symbolSettings.lrfLineDisplayLengthMSec;
    break;
  case SpecialChargeType::LTD:
    displayLength = m_currentSymbolSettings.symbolSettings.ltdLineDisplayLengthMSec;
    break;
  case SpecialChargeType::NoneSpecial:
  default:
    // empty
    break;
  } // switch

  DEBUG_LOG(m_logger) << LOGFUNCTION
                      << " newPartitionTime = " << newPartitionTime
                      << " stateTime = " << stateTime
                      << " age = " << (newPartitionTime - stateTime)
                      << " SpecialChargeType = " << sct
                      << " displayLengthMSec = " << displayLength;

  if (displayLength <= 0)
    return false;

  return (newPartitionTime - stateTime) <= displayLength;
}


void HitlineInfo2SituationMap::onPartitionTimeChanged()
{
  handleSymbolAppearanceSettings();
}

}