/**
  * Manages central aes data to be sent
  * $Id: handler_oc_situation_data.h 57655 2022-07-20 11:38:28Z karwat $
  * $HeadURL: svn://192.168.133.21/TDS/branches/product/features/3dws_devel/Lts/Services/OcSituationServer/handler_oc_situation_data.h $
  * $Author: karwat $
  * Created by Hannes Fritsche, SLTE, 16-08-2022
  */

#include "central_aes_data_queue.h"

namespace OcSituationServer
{

CentralAesDataQueue::CentralAesDataQueue(QObject *parent)
  : QObject(parent)
  , m_logger(getLogger("CentralAesDataQueue"))
{

}

void CentralAesDataQueue::addRemoveMessage(int32_t aesItemId, AreaEffectSimulation::AesType aesType, bool isPrioritized)
{
  QMutexLocker locker(&m_accessMutex);
  QByteArray data;

  clearSpecificMessage(aesItemId, OcSituation::Remove);

  using namespace DataBuilder;

  addCentralAesChangeType(data, OcSituation::Remove);
  addAesItemId(data, aesItemId);
  addAesType(data, aesType);

  if (isPrioritized)
    m_internalPrioritizedQueue.prepend({aesItemId, OcSituation::Remove, data});
  else
    m_internalQueue.prepend({aesItemId, OcSituation::Remove, data});

  DEBUG_LOG(m_logger) << "New remove-message added: Id = " << aesItemId
                      << ", aesType = " << aesType << ". "
                      << m_internalQueue.size() << " normal, "
                      << m_internalPrioritizedQueue.size() << " prioritized and "
                      << m_internalQueue.size() + m_internalPrioritizedQueue.size() << " remaining messages in total.";
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::EffectCluster &effectCluster)
{
  // we treat EffectClusters as ExplosionClusters for the ABT
  addRemoveMessage(effectCluster.id(), AreaEffectSimulation::AesType::inner_enum::AtExplosionCluster);
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::NContamination &nContamination)
{
  addRemoveMessage(nContamination.id(), AreaEffectSimulation::AesType::inner_enum::AtNContamination);
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::BCContamination &bCContamination)
{
  addRemoveMessage(bCContamination.id(), AreaEffectSimulation::AesType::inner_enum::AtBCContamination);
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::ExplosionArea &explosionArea)
{
  addRemoveMessage(explosionArea.id(), AreaEffectSimulation::AesType::inner_enum::AtExplosionArea);
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::ExplosionSingle &explosionSingle)
{
  addRemoveMessage(explosionSingle.id(), AreaEffectSimulation::AesType::inner_enum::AtExplosionSingle);
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::MineArea &mineArea)
{
  addRemoveMessage(mineArea.id(), AreaEffectSimulation::AesType::inner_enum::AtMineArea);
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::FunctionalArea &functionalArea)
{
  addRemoveMessage(functionalArea.id(), AreaEffectSimulation::AesType::inner_enum::AtFunctionalArea);
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::BoobyTrap &boobyTrap)
{
  addRemoveMessage(boobyTrap.id(), AreaEffectSimulation::AesType::inner_enum::AtBoobyTrap);
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::OffRouteMine &offRouteMine)
{
  addRemoveMessage(offRouteMine.id(), AreaEffectSimulation::AesType::inner_enum::AtOffRouteMine);
}

void CentralAesDataQueue::addRemoveMessage(const AreaEffectSimulation::ExplosionCluster &explosionCluster)
{
  addRemoveMessage(explosionCluster.id(), AreaEffectSimulation::AesType::inner_enum::AtExplosionCluster, explosionCluster.impactCount() == 1); // we prioritize every single fire
}

QByteArray CentralAesDataQueue::getSendingData(qint32 size)
{
  QMutexLocker locker(&m_accessMutex);
  QByteArray result;

  qint32 messageCounter = 0;

  while (!m_internalPrioritizedQueue.isEmpty() && ((result.size() + m_internalPrioritizedQueue.head().data.size()) <= size))
  {
    result.append(m_internalPrioritizedQueue.dequeue().data);
    ++messageCounter;
  }

  // if the result is empty and we have messages left, there is no message small enough, to fit size
  // so we send the next best message
  if (result.isEmpty() && !m_internalPrioritizedQueue.isEmpty())
  {
    result.append(m_internalPrioritizedQueue.dequeue().data);

    ++messageCounter;

    WARNING_LOG(m_logger) << "Could not build data with max size of " << size << " bytes. Delivering data with " << result.size() << " bytes.";
  }

  while (!m_internalQueue.isEmpty() && ((result.size() + m_internalQueue.head().data.size()) <= size))
  {
    result.append(m_internalQueue.dequeue().data);
    ++messageCounter;
  }

  // if the result is empty and we have messages left, there is no message small enough, to fit size
  // so we send the next best message
  if (result.isEmpty() && !m_internalQueue.isEmpty())
  {
    result.append(m_internalQueue.dequeue().data);

    ++messageCounter;

    WARNING_LOG(m_logger) << "Could not build data with max size of " << size << " bytes. Delivering data with " << result.size() << " bytes.";
  }

  DEBUG_LOG(m_logger) << "Data with max size = " << size << "requestet. " << result.size() << " bytes delivered.";
  DEBUG_LOG(m_logger) << messageCounter << " messages are sent. "
                      << m_internalQueue.size() << " normal, "
                      << m_internalPrioritizedQueue.size() << " prioritized and "
                      << m_internalQueue.size() + m_internalPrioritizedQueue.size() << " remaining messages in total.";

  return result;
}

bool CentralAesDataQueue::hasMessages() const
{
  return !m_internalQueue.isEmpty() || !m_internalPrioritizedQueue.isEmpty();
}

void CentralAesDataQueue::clear()
{
  m_internalQueue.clear();
  m_internalPrioritizedQueue.clear();
}

void CentralAesDataQueue::clearSpecificMessage(int32_t aesItemId, OcSituation::CentralAesChangeType changeType)
{
  for (qint32 counter = 0; counter < m_internalQueue.size(); ++counter)
  {
    if (m_internalQueue.at(counter).aesItemId == aesItemId && m_internalQueue.at(counter).changeType == changeType)
    {
      m_internalQueue.removeAt(counter);

      DEBUG_LOG(m_logger) << "Removed already existing message. aesItemId = " << aesItemId << ", changeType = " << changeType;

      return;
    }
  }

  for (qint32 counter = 0; counter < m_internalPrioritizedQueue.size(); ++counter)
  {
    if (m_internalPrioritizedQueue.at(counter).aesItemId == aesItemId && m_internalPrioritizedQueue.at(counter).changeType == changeType)
    {
      m_internalPrioritizedQueue.removeAt(counter);

      DEBUG_LOG(m_logger) << "Removed already existing message. aesItemId = " << aesItemId << ", changeType = " << changeType;

      return;
    }
  }
}

} // namespace OcSituationServer