/**
  * Convert Json from WLS to internal telegrams
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Ehrlicher, SLSE, 2016-09-26
  */

#include "hla_handler_rx.h"
#include "hla_dispatcher.h"

#include <TrainingAreaBase/training_area_telegrams.h>
#include <QJsonDocument>

namespace HlaJson
{

HlaHandlerRx::HlaHandlerRx(const std::shared_ptr<TrainingAreaBase::RecvFromTab> &recvFromTabCb,
                           HlaDispatcher *dispatcher)
  : m_rxHandler(recvFromTabCb)
  , m_dispatcher(dispatcher)
  , m_bWarnedOnce(false)
  , m_logger(getLogger("HlaHandlerRx"))
{}

bool HlaHandlerRx::handleTelegram(const QByteArray &baJson)
{
  using namespace TrainingAreaBase::TetraIcd;

  if (baJson.isEmpty())
    return false;
  const QJsonObject obj = QJsonDocument::fromJson(baJson).object();
  TRACE_LOG(m_logger) << "incoming telegram: " << baJson;

//  const QJsonValue sendCounter = obj.value(QStringLiteral("counter"));
//  if (!sendCounter.isUndefined())
//  {
//    if (!sendCounter.isDouble())
//      return false;
//    recvCounter = sendCounter.toInt(-1);
//    DEBUG_LOG(m_logger) << "Incoming telegram with Id " << obj.value(QStringLiteral("type")).toString();
//    if (recvCounter < 0)
//      return false;
//  }
  const QJsonValue typeId = obj.value(QStringLiteral("typeId"));
  if (!typeId.isDouble())
  {
    ERROR_LOG(m_logger) << "Can not read type id: " << baJson;
    return false;
  }
  const QJsonObject data = obj.value(QStringLiteral("data")).toObject();
  try
  {
    switch (typeId.toInt())
    {
    case Constraints<PositionReport>::id(): // 21
      rxData(PositionReport::fromJson(data));
      break;
    case Constraints<ProxyConnectionState>::id(): // 2013
      m_dispatcher->onHlaExternalConnectionStateChanged(ProxyConnectionState::fromJson(data).connectedToSystem);
      break;
    case Constraints<ManipulationReport>::id(): // 2
      rxData(ManipulationReport::fromJson(data));
      break;
    case Constraints<EquipmentOperationalState>::id():  // 7
      rxData(EquipmentOperationalState::fromJson(data));
      break;
    case Constraints<EquipmentConfigurationReport>::id(): // 11
      rxData(EquipmentConfigurationReport::fromJson(data));
      break;
    case Constraints<CtaDataError>::id(): // 12
      rxData(CtaDataError::fromJson(data));
      break;
    case Constraints<MineTriggered>::id(): // 41
      rxData(MineTriggered::fromJson(data));
      break;
    case Constraints<DefinitionIed>::id(): // 43
      rxData(DefinitionIed::fromJson(data));
      break;
    case Constraints<StateIed>::id(): // 44
      rxData(StateIed::fromJson(data));
      break;
    case Constraints<DusSingleMineState>::id(): // 45
      rxData(DusSingleMineState::fromJson(data));
      break;
    case Constraints<StateChangeDirect>::id(): // 52
      rxData(StateChangeDirect::fromJson(data));
      break;
    case Constraints<StateChangeIndirect>::id(): // 53
      rxData(StateChangeIndirect::fromJson(data));
      break;
    case Constraints<OperatorAction>::id(): // 55
      rxData(OperatorAction::fromJson(data));
      break;
    case Constraints<StateChange>::id(): // 61
      rxData(StateChange::fromJson(data));
      break;
    case Constraints<EquipmentEvent>::id(): // 185
      rxData(EquipmentEvent::fromJson(data));
      break;
    case Constraints<EquipmentGearAssignment>::id(): // 200
      rxData(EquipmentGearAssignment::fromJson(data));
      break;
    case Constraints<EquipmentGearChargeState>::id(): // 202
      rxData(EquipmentGearChargeState::fromJson(data));
      break;
    case Constraints<BiteReport>::id(): // 205
      rxData(BiteReport::fromJson(data));
      break;
    case Constraints<EquipmentGearEvent>::id(): // 210
      rxData(EquipmentGearEvent::fromJson(data));
      break;
    case Constraints<ParticipantSwVersions>::id(): // 213
      rxData(ParticipantSwVersions::fromJson(data));
      break;
    case Constraints<ParticipantModeReport>::id(): // 231
      rxData(ParticipantModeReport::fromJson(data));
      break;
    case Constraints<ParticipantConfigurationReport>::id(): // 233
      rxData(ParticipantConfigurationReport::fromJson(data));
      break;
    case Constraints<WlsParticipantsConnectionState>::id(): // 3004
    {
      const auto tele = WlsParticipantsConnectionState::fromJson(data);
      emit participantConnectionState(tele.equipmentNumber, tele.dataCommunicationPossible);
      break;
    }
    default:
      return false;
    }
  }
  catch (const std::exception &e)
  {
    WARNING_LOG(m_logger) << "Could not parse json: " << e.what() << " (" << baJson << ")";
    return false;
  }
  return true;
}

template<typename T>
void HlaHandlerRx::rxData(const T &data)
{
  if (!m_rxHandler)
  {
    if (!m_bWarnedOnce)
    {
      ERROR_LOG(m_logger) << "No RecvFromTab available";
      m_bWarnedOnce = true;
    }
    return;
  }
  emit m_dispatcher->wlsTelegramReceived(&data);
  return m_rxHandler->rxData(data);
}

} // namespace HlaJson