/**
  * IsmHandler for WirelessLocationSystem
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Ehrlicher, SLSE, 2016-04-14
  */

#include "ism_handler.h"
#include "main_handler.h"

namespace WirelessLocationSystem
{
IsmHandler::IsmHandler(QObject *parent)
  : QObject(parent)
  , m_logger(getLogger("IsmHandler"))
{}

bool IsmHandler::init(MainHandler *mainHandler)
{
  if (m_dtcIsm)
    return true;

  m_dtcIsm = InfrastructureManagement::Interface::Dtc::create(mainHandler->ddsHandler()->ddsConnector());
  connect(m_dtcIsm.get(), &InfrastructureManagement::Interface::Dtc::mainStructureElementChanged,
          this, &IsmHandler::onMainStructureElementChanged);

  if (!m_dtcIsm->enableMainStructureElement())
  {
    ERROR_LOG(m_logger) << "Can not read data from ISM";
    return false;
  }

  return true;
}

void IsmHandler::onMainStructureElementChanged(const InfrastructureManagement::MainStructureElement &data, DataModification modType)
{
  switch (modType)
  {
  case DataModification::eAdded:
  case DataModification::eModified:
  {
    m_mainStructureElements[data.id()] = data;
    if (data.externalWlsId() != 0)
      m_externalWlsId2MseId[data.externalWlsId()] = data.id();
    QMap<int, int> roomNumber2roomId;
    for (const auto &element : data.elements())
    {
      if (element.structureElementTypeId() != InfrastructureManagement::StructureElementType::Room)
        continue;
      roomNumber2roomId[element.mountingPointId()] = element.id();
    }
    m_mseId2RoomId[data.id()] = roomNumber2roomId;
    break;
  }
  case DataModification::eRemoved:
  {
    m_mainStructureElements.remove(data.id());
    m_mseId2RoomId.remove(data.id());
    for (auto it = m_externalWlsId2MseId.begin(); it != m_externalWlsId2MseId.end(); ++it)
    {
      if (it.value() == data.id())
      {
        m_externalWlsId2MseId.erase(it);
        break;
      }
    }
    break;
  }
  }
}

} // namespace WirelessLocationSystem