/**
  * Base Class for Effector Firing Strategy
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Hannes Fritsche, ESZS, 2025-05-11
  */

#include "abstract_firing_strategy.h"

#include "object_effector.h"
#include "main_handler.h"
#include "handler_charge_effect.h"

#include <ParticipantManagement/ppm.hpp>
#include "Trajectory/trajectory_transform.h"
#include <LtsCoordTrans/lts_coord_trans.h>
#include <LtsUtilsCore/qpoint3d.h>

#include <QJsonDocument>
#include <QRandomGenerator>

namespace AreaEffectSimulation
{



AbstractFiringStrategy::AbstractFiringStrategy(ObjectEffector *parent)
  : QObject(parent)
  , m_effector(parent)
  , m_logger(getLogger("FiringStrategy"))
{
  TRACE_LOG(m_logger) << LOGFUNCTION << " START";
  TRACE_LOG(m_logger) << LOGFUNCTION << " END";
}

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

bool AbstractFiringStrategy::calculateDispersionTrajectory()
{
  DEBUG_LOG(m_logger) << "calculateDispersionTrajectory";
  // 1. Neuen Zielpunkt berechnen

  const auto intendendTrajectory = m_effector->intendendTrajectory();

  // sanity check:
  if (intendendTrajectory.size() < 2)
  {
    ERROR_LOG(m_logger) << LOGFUNCTION
                        << " size of intendendTrajectory not sufficiant, size=" << intendendTrajectory.size();
    return false;
  }

  LtsUtils::QPoint3D newTarget = intendendTrajectory.last().position;

  const int scatterLength = qRound(m_effector->effectorData().mhpScatterLenght());
  const int randomValueX = QRandomGenerator::global()->bounded(-scatterLength, scatterLength + 1);
  const int scatterWidth = qRound(m_effector->effectorData().mhpScatterWidth());
  const int randomValueY = QRandomGenerator::global()->bounded(-scatterWidth, scatterWidth + 1);
  newTarget.setX(newTarget.x() + randomValueX);
  newTarget.setY(newTarget.y() + randomValueY);

  // 2. Neue Trajektorie berechnen
  m_transformedTrajectory = TrajectoryTransform::transformToNewTarget(intendendTrajectory, newTarget);

  // sanity check:
  if (m_transformedTrajectory.size() < 2)
  {
    ERROR_LOG(m_logger) << LOGFUNCTION
                        << " size of m_transformedTrajectory not sufficiant, size=" << m_transformedTrajectory.size();
    return false;
  }

  return true;
}

std::vector<Core::GeoPositionRelativeTime> AbstractFiringStrategy::buildTrajectoryGeometry(const QVector<TrajectoryPoint> &relativeTrajectory)
{
  // sanity check:
  if (relativeTrajectory.size() < 2)
  {
    ERROR_LOG(m_logger) << LOGFUNCTION
                        << " size of relativeTrajectory not sufficiant, size=" << relativeTrajectory.size();
    return {};
  }

  // setup some vars of effector, which is used as launch position:
  Core::GeoPosition effectorPositionGeo         = participantPosition(m_effector->participantId());
  const LtsCoordTrans::UtmCoordinate &launchUtm = LtsCoordTrans::UtmCoordinate::fromGeographic(effectorPositionGeo.lon(), effectorPositionGeo.lat());


  std::vector<Core::GeoPositionRelativeTime> geometry;
  geometry.reserve(relativeTrajectory.size());

  // Aehnlich wie Lts/Proxies/TrainingAreaBase/Plugins/AdlerJson/aes_handler.cpp Zeile 365
  for (const TrajectoryPoint &trajPntRelPos : qAsConst(relativeTrajectory))
  {
    DEBUG_LOG(m_logger) << "Flugbahnpunkt: trajPntRelPos :" << trajPntRelPos;    // benefit from operator<<:

    // // geographic offers nice feature to add an offset:
    // const QPointF &trajectoryAbsGeo = launchUtm.geographic(trajPntRelPos);
    // but lets stay with trajectoryAbsUtm to enable DEBUG_LOG

    const QPointF &trajPntRelPosUtm = trajPntRelPos.position.toPointF(); // still relativ to launch
    const LtsCoordTrans::UtmCoordinate trajPntAbsUtm(launchUtm.zone,
                                                     launchUtm.x + trajPntRelPosUtm.x(),
                                                     launchUtm.y + trajPntRelPosUtm.y());
    const QPointF &trajPntAbsGeo = trajPntAbsUtm.geographic();

    // Position des Participants mit der m_participantId
    const double zValue = effectorPositionGeo.z() + trajPntRelPos.position.z(); // trajPntRelPos.position.z() ist die Hoehe

    DEBUG_LOG(m_logger) << "trajPntAbsUtm :" << trajPntAbsUtm << ", trajPntAbsGeo :" << trajPntAbsGeo;
    geometry.emplace_back(Core::GeoPositionRelativeTime(trajPntAbsGeo.x(), trajPntAbsGeo.y(), zValue, trajPntRelPos.time));
  }
  return geometry;
}

TrajectoryTimeAware AbstractFiringStrategy::buildTrajectoryTimeAware(const std::vector<Core::GeoPositionRelativeTime> &trajectoryGeometry, qint64 trajectoryStartTime, int index)
{
  // sanity check:
  if (trajectoryGeometry.size() < 2)
  {
    ERROR_LOG(m_logger) << LOGFUNCTION
                        << " size of trajectoryGeometry not sufficiant, size=" << trajectoryGeometry.size();
    return {};
  }

  TrajectoryTimeAware trajectory;
  trajectory.trajectoryStartTime(trajectoryStartTime);

  trajectory.index(index); // see SituationMap : charge_effect_to_map ::updateSingleTrajectory()
  // [E01562-259] use originatorId, originatorTypeId (instead of aesItemId, aesTypeId)
  trajectory.originatorId(m_effector->aesItemId());
  trajectory.originatorTypeId(ProjectDataManagement::StateChangeOriginator::ChargeEffect);
  trajectory.geometry(trajectoryGeometry);
  return trajectory;
}

int AbstractFiringStrategy::sendChargeEffect(const TrajectoryTimeAware &trajectoryTimeAware, const QJsonObject &properties)
{
  DEBUG_LOG(m_logger) << "sendChargeEffect";

  const auto trajGeometry = trajectoryTimeAware.geometry();

  // sanity check:
  if (trajGeometry.size() < 2)
  {
    ERROR_LOG(m_logger) << LOGFUNCTION
                        << " size of trajectoryTimeAware.geometry not sufficiant, size=" << trajGeometry.size();
    return -1;
  }

  const qint64 trajectoryStartTime = trajectoryTimeAware.trajectoryStartTime();

  ChargeEffectModifyRequest chargeEffect;
  chargeEffect.id(0);
  chargeEffect.effectDuration(3000);
  chargeEffect.name("Schuss");
  chargeEffect.chargeTypeId(m_effector->effectorData().chargeStruct().chargeTypeId());
  chargeEffect.effectStart(trajectoryStartTime + trajectoryTimeAware.geometry().back().relativeTime()); // Einschlag Zeit
  chargeEffect.igniterTypeId(m_effector->effectorData().chargeStruct().igniterTypeId());
  chargeEffect.gearTypeId(gearTypeId(m_effector->effectorData().chargeStruct().chargeTypeId(), m_effector->participantId()));
  chargeEffect.originatorId(m_effector->aesItemId());
  chargeEffect.originatorTypeId(ProjectDataManagement::StateChangeOriginator::AreaEffectSimulation);
  chargeEffect.properties(QJsonDocument(properties).toJson().toStdString());

  const Core::GeoPosition &impactPosition = trajGeometry.back();
  chargeEffect.position(impactPosition); // Impact Position

  chargeEffect.trajectoryTimeAware(trajectoryTimeAware);

  const auto &reply = m_effector->mainHandler()->chargeEffectHandler()->createChargeEffect(chargeEffect);
  DEBUG_LOG(m_logger) << LOGFUNCTION << " reply.id=" << reply.id() << ", str:" << reply.str() << ", uniqueId:" << reply.uniqueId();
  return reply.id();
}

Core::GeoPosition AbstractFiringStrategy::participantPosition(int participantId)
{
  m_effector->mainHandler()->dds()->ppmDtc()->enableParticipantPosition(true);
  const ParticipantManagement::ParticipantPosition &pos = m_effector->mainHandler()->dds()->ppmDtc()->participantPosition(participantId);
  return pos.pos();
}

int32_t AbstractFiringStrategy::gearTypeId(int chargeTypeId, int participantId)
{
  DEBUG_LOG(m_logger) << "getGearTypeId"
                      << ", chargeTypeId:" << chargeTypeId << ", participantId:" << participantId;

  m_effector->mainHandler()->dds()->ppmDtc()->enableDynamicParticipantData(true);
  m_effector->mainHandler()->dds()->ppmDtc()->waitForHistoricalDataDynamicParticipantData(1000);
  const ParticipantManagement::DynamicParticipantData &dynamicParticipantData = m_effector->mainHandler()->dds()->ppmDtc()->dynamicParticipantData(participantId);
  DEBUG_LOG(m_logger) << "gearSize " << dynamicParticipantData.gear().size();

  const auto& participantData_gear = dynamicParticipantData.gear();
  for (const auto &gear : qAsConst(participantData_gear))
  {
    DEBUG_LOG(m_logger) << "gear.chargeTypeId(): " << gear.chargeTypeId() << ", chargeTypeId:" << chargeTypeId;
    if (gear.chargeTypeId() == chargeTypeId)
    {
      DEBUG_LOG(m_logger) << "getGearTypeId return: " << gear.gearTypeId();
      if (gear.gearTypeId() != 0)
        return gear.gearTypeId();
      else
        return 701; // MALTE XKCD
    }
  }
  return 701; // MALTE XKCD
}

qint64 AbstractFiringStrategy::getStartTime() const
{
  const auto trajectoryAndEffectStartTime = m_effector->mainHandler()->dds()->currentPartitionTimeMSec() + 1000;
  return trajectoryAndEffectStartTime;
}

} // namespace AreaEffectSimulation