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

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

// Qt
#include <QTimer>
#include <QJsonObject>
#include <QJsonDocument>


namespace SituationMap
{

BuildingHitlineInfo2SituationMap::BuildingHitlineInfo2SituationMap(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)
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
}

BuildingHitlineInfo2SituationMap::~BuildingHitlineInfo2SituationMap()
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
}

int32_t BuildingHitlineInfo2SituationMap::getSimId(const Sim2SituationMap::DDS_T &ddsData) const
{
  return ddsData.id();
}

bool BuildingHitlineInfo2SituationMap::init(PluginProvider *pluginProvider)
{
  if (!pluginProvider ||
      !pluginProvider->bldDtc())
    return false;

  m_pluginProvider = pluginProvider;
  m_bldDtc = pluginProvider->bldDtc();
  m_bldBuildingInfoIfc = pluginProvider->bldInfoIfc();
  m_ismDtc = pluginProvider->ismDtc();

  if (!m_bldDtc)
    return false;
  if (!m_ismDtc)
    return false;

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

  // PartitionTime
  connect(m_pluginProvider, &PluginProvider::partitionTimeChanged,
          this, &BuildingHitlineInfo2SituationMap::onPartitionTimeChanged);


  // Get initial DDS data
  // building to Height
  m_exerciseId = m_pluginProvider->exerciseId();
  m_buildingHeight.clear();
  // try to fill m_buildingHeight BEFORE the buildingHitLineInfos are processed
  m_ismDtc->waitForHistoricalDataMainStructureElement(5000);
  connect(m_ismDtc.get(), &InfrastructureManagement::Interface::Dtc::mainStructureElementChanged,
          this, &BuildingHitlineInfo2SituationMap::onMainStructureElementChanged);
  m_ismDtc->mainStructureElements([this](const InfrastructureManagement::MainStructureElement & data)
  {
    onMainStructureElementChanged(data, DataModification::eAdded);
  });

  return true;
}

bool BuildingHitlineInfo2SituationMap::run()
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
  if (!m_bldDtc)
  {
    ERROR_LOG(m_logger) << LOGFUNCTION << " no dtc";
    return false;
  }

  connect(m_bldDtc.get(), &Buildings::Interface::Dtc::buildingHitLineInfoChanged,
          this, &BuildingHitlineInfo2SituationMap::onBuildingHitLineInfoChanged);

  // get BuildingHitlines:
  m_bldDtc->buildingHitLineInfos([this](const Sim2SituationMap::DDS_T & ddsData)
  {
    onBuildingHitLineInfoChanged(ddsData, DataModification::eAdded);
  });

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

void BuildingHitlineInfo2SituationMap::stop()
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
  if (m_bldDtc)
    m_bldDtc->disconnect(this);
  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
}

bool BuildingHitlineInfo2SituationMap::mapObjectsClicked(const QVector<UniqueMapId> &uniqueMapIds)
{
  if (!m_bldBuildingInfoIfc)
    return false;

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

  m_bldBuildingInfoIfc->showHitLineInfoWindow(hitLineIds);  // HitlineIds != buildingIds
  return true;
}

QString BuildingHitlineInfo2SituationMap::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 BuildingHitlineInfo2SituationMap::unifiedMapObjectData(UniqueMapId uniqueMapId, UnifiedMapObjectData &umodOut) const
{
  if (!m_bldDtc)
    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_bldDtc->buildingHitLineInfos(cb1);
}

bool BuildingHitlineInfo2SituationMap::onBuildingHitLineInfoChanged(const Sim2SituationMap::DDS_T &ddsData,
                                                                    DataModification modType)
{
  const bool bIsValid = !isElapsed(ddsData);
  if (bIsValid)
    updateDdsDataContainer(ddsData, modType);        // helpfull for FilterManagement/onSymbolAppearanceSettingsChanged
  return handleChanged(ddsData, modType);
}

void BuildingHitlineInfo2SituationMap::onMainStructureElementChanged(const InfrastructureManagement::MainStructureElement &mse, DataModification modType)
{
  switch (modType)
  {
  case DataModification::eAdded:
  case DataModification::eModified:
  {
    if (mse.modelId() != 0 && m_ismDtc->isElementAssignedToExercise(mse, m_exerciseId))
    {
      DEBUG_LOG(m_logger) << "m_buildingHeight.insert id=" << mse.id() << " z=" << mse.geoPosition().z();
      m_buildingHeight.insert(mse.id(), mse.geoPosition().z());
    }
    break;
  }
  case DataModification::eRemoved:
    m_buildingHeight.remove(mse.id());
    break;
  }
}

bool isValidPos(const Core::GeoPosition &pos)
{
  if (qFuzzyIsNull(pos.lat()) && qFuzzyIsNull(pos.lon()))
    return false;
  return !std::isnan(pos.lat()) && !std::isnan(pos.lon());
}

bool BuildingHitlineInfo2SituationMap::isElapsed(const Sim2SituationMap::DDS_T &data) const
{
  // true -> hide
  // false -> show

  DEBUG_LOG(m_logger) << " isElapsed";

  // 2024-09: N.Thoden
  // Some hitlines were starting at 0.0.
  // After densify the line hat ~500000 vertices.
  // Try to avoid them:
  {
    const Core::GeoPosition &startGeoPos = data.originatorPos();
    if (!isValidPos(startGeoPos))
      return true;

    const Core::GeoPosition &endGeoPos   = data.buildingPos();
    if (!isValidPos(endGeoPos))
      return true;
  }


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

  return false;
}

bool BuildingHitlineInfo2SituationMap::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.buildingPos();

  int bldgId = ddsData.buildingId(); // bldgId == mseId
  double buildingHeight = m_buildingHeight.value(bldgId, 0); // default == 0;

  mapObj->setStartAndEndPoint(Point3D(startGeoPos.lon(), startGeoPos.lat(), startGeoPos.z()),
                              Point3D(endGeoPos.lon(), endGeoPos.lat(), endGeoPos.z()-buildingHeight));

  // FilterManagement:
  handleSymbolAppearanceSettings(mapObj, ddsData);

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

void BuildingHitlineInfo2SituationMap::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 BuildingHitlineInfo2SituationMap::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 BuildingHitlineInfo2SituationMap::handleSymbolAppearanceSettings()
{
  for (const Buildings::BuildingHitLineInfo &buildingHitline : qAsConst(m_ddsDataContainer))
  {
    const UniqueMapId uniqueMapId = m_simId2UniqueMapId.value(buildingHitline.id(), INVALID_MAP_ID);
    if (uniqueMapId == INVALID_MAP_ID)
    {
      WARNING_LOG(m_logger) << LOGFUNCTION << "Found a buildingHitline which is in internal map but has no map object...: " << buildingHitline.id();
      continue;
    }
    RefPointer<MAP_T> mapObj = m_objFac.get<MAP_T>(uniqueMapId);
    if (!mapObj.valid())
      continue;

    handleSymbolAppearanceSettings(mapObj, buildingHitline);

    if (!mapObj->updateView())
      WARNING_LOG(m_logger) << LOGFUNCTION << " updateView failed,"
                            << " mapObj = " << mapObj->debugInfo();
  } // for
}

void BuildingHitlineInfo2SituationMap::handleSymbolAppearanceSettings(RefPointer<MAP_T> mapObj, const Sim2SituationMap::DDS_T &ddsData)
{
  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);
    });
  }

  // add missing updateView()
  if (mapObj->visibility() != isVisi)
  {
    mapObj->setVisibility(isVisi);
    if (!mapObj->updateView())
      WARNING_LOG(m_logger) << LOGFUNCTION << " updateView failed,"
                            << " mapObj = " << mapObj->debugInfo();
  }
}

bool BuildingHitlineInfo2SituationMap::isVisible(const Sim2SituationMap::DDS_T &ddsData, bool *bUncertain) const
{
  return visibleBySymbolPartyAppearance(ddsData) &&
      visibleByHitLineDisplayLength(m_pluginProvider->partitionTime(), ddsData) && // partitionTime() -> msec
      visibleByParticipants(ddsData, bUncertain);
}

bool BuildingHitlineInfo2SituationMap::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 BuildingHitlineInfo2SituationMap::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 bParticipantExists = true;
  bool bRet = m_participant2SituationMap->isParticipantVisible(ddsData.originatorParticipantId(), &bParticipantExists);
  if (!bParticipantExists && bUncertain)
    *bUncertain = true;

  return bRet;
}

bool BuildingHitlineInfo2SituationMap::visibleByHitLineDisplayLength(const qint64 newPartitionTime, const DDS_T &ddsData) const
{
  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:
    break;
  } // switch

  //  DEBUG_LOG(m_logger) << LOGFUNCTION
  //                      << ", newPartitionTime = " << newPartitionTime
  //                      << ", stateTime = " << ddsData.sampleTime()
  //                      << ", age = " << (newPartitionTime - stateTime)
  //                      << ", sct = " << sct
  //                      << ", displayLength = " << displayLength;

  if (displayLength < 0)
    return true;
  return (newPartitionTime - ddsData.sampleTime()) <= displayLength;   // all msec
}

void BuildingHitlineInfo2SituationMap::onPartitionTimeChanged()
{
  handleSymbolAppearanceSettings();
}

}