/**
  * Retrieve information about which exercise is using which radio group
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Ehrlicher, SLSE, 2016-04-14
  */

#include "exm_handler.h"
#include "main_handler.h"

namespace TrainingAreaBase
{

ExmHandler::ExmHandler(MainHandler *mainHandler)
  : m_mainHandler(mainHandler)
  , m_logger(getLogger("ExmHandler"))
{}

bool ExmHandler::init()
{
  m_exmDtc = ExerciseManagement::Interface::Dtc::create(m_mainHandler->ddsHandler()->ddsConnector());
  connect(m_exmDtc.get(), &ExerciseManagement::Interface::Dtc::exerciseChanged,
          this, &ExmHandler::onExerciseChanged);
  connect(m_exmDtc.get(), &ExerciseManagement::Interface::Dtc::exerciseChanged,
          this, &ExmHandler::exerciseChanged);
  if (!m_exmDtc->enableExercise())
  {
    ERROR_LOG(m_logger) << "Can not read equipment/exercise mappings from PPM";
    return false;
  }
  return true;
}

ExerciseManagement::Exercise ExmHandler::exercise(int exerciseId)
{
  m_exmDtc->waitForHistoricalDataExercise(10 * 1000);
  return m_exmDtc->exercise(exerciseId);
}


void ExmHandler::onExerciseChanged(const ExerciseManagement::Exercise &data, DataModification modType)
{
  if (!data.radioGroupId().is_set() || data.radioGroupId().get() == 0)
    modType = DataModification::eRemoved;

  bool bExercise2RadioGroupChanged = false;
  switch (modType)
  {
  case DataModification::eAdded:
  case DataModification::eModified:
  {
    auto &val = m_exercise2RadioGroup[data.id()];
    if (val != data.radioGroupId().get())
    {
      bExercise2RadioGroupChanged = true;
      val = data.radioGroupId().get();
    }
    break;
  }
  case DataModification::eRemoved:
  {
    auto it = m_exercise2RadioGroup.find(data.id());
    if (it != m_exercise2RadioGroup.end())
    {
      bExercise2RadioGroupChanged = true;
      m_exercise2RadioGroup.erase(it);
    }
    break;
  }
  }
  if (bExercise2RadioGroupChanged)
    emit exercise2RadioGroupChanged();
}


} // namespace TrainingAreaBase