/**
  * FrequencySetHandler - reads CnrChannel and CnrConfig data from the database and publishes the data to dds,
  * reacts to CnrConfig related Function topics
  * $Id: combat_net_radio_handler.cpp 34946 2017-08-21 14:13:32Z baeuerle_h $
  * $HeadURL: svn://slssvn/TDS/branches/product/devel/trunk/Lts/Services/AudioVideoManagement/combat_net_radio_handler.cpp $
  * $Author: baeuerle_h $
  * Created by Hannes Baeuerle, SLSE, 2017-08-15
  */

#include "frequency_set_handler.h"
#include <utility>
#include "dds_handler.h"
#include "main_handler.h"
#include <AudioVideoManagement/avm_dts.h>

namespace AudioVideoManagement
{

FrequencySetHandler::FrequencySetHandler(Interface::Dts *dts, DatabaseInterface *db)
  : m_dts(dts)
  , m_db(db)
  , m_logger(getLogger("FrequencySetHandler"))
{
  Q_ASSERT(dts);
  Q_ASSERT(db);
}

bool FrequencySetHandler::init()
{
  DEBUG_LOG(m_logger) << LOGFUNCTION;
  QVector<Database::AvmFrequencySet> frequencySets;

  // Don't use select() with callback here as the callback (body of for-loop below) would use the DB, too.
  if (!m_db->select(frequencySets))
  {
    ERROR_LOG(m_logger) << "Error while selecting frequency sets from db";
    return false;
  }
  DEBUG_LOG(m_logger) << "Found " << frequencySets.size() << " Frequency Sets";

  for (const Database::AvmFrequencySet &currentfrequencySet : std::as_const(frequencySets))
    addFrequencySet(toDdsFrequencySet(currentfrequencySet));

  return true;
}

bool FrequencySetHandler::isValid(int32_t setId, int32_t entryId)
{
  auto   found = m_frequencySetDatas.constFind(setId);
  if (found == m_frequencySetDatas.cend())
    return false;

  return found->contains(entryId);
}

FrequencySet FrequencySetHandler::toDdsFrequencySet(const Database::AvmFrequencySet &dbData) const
{
  FrequencySet result;

  result.id = dbData.id;
  result.name = dbData.name.toStdString();
  result.lastChange = dbData.lastChange;

  auto cb = [&result] (const Database::AvmFrequencySetData &currentData)
  {
    result.data.push_back(toDdsFrequencySetDataWithId(currentData));
  };
  m_db->selectByFrequencySetId(cb, result.id);

  DEBUG_LOG(m_logger) << "Frequency Set with ID " << dbData.id << " has " << result.data.size() << " data entries";

  return result;
}

FrequencyBand FrequencySetHandler::getFrequencyBand(const QString &deviceString)
{
  QString intermediate = deviceString.left(3);
  if (QString::compare(intermediate, QStringLiteral("VHF"), Qt::CaseInsensitive) == 0)
    return FrequencyBand::VHF;
  else if (QString::compare(intermediate, QStringLiteral("UHF"), Qt::CaseInsensitive) == 0)
    return FrequencyBand::UHF;
  else if (QString::compare(intermediate, QStringLiteral("HF"), Qt::CaseInsensitive) == 0)
    return FrequencyBand::HF;
  else //if (QString::compare(intermediate.left(1), QStringLiteral("R"), Qt::CaseInsensitive) == 0)
    return FrequencyBand::REL;
}

FrequencySetDataWithId FrequencySetHandler::toDdsFrequencySetDataWithId(const Database::AvmFrequencySetData &dbData)
{
  FrequencySetDataWithId result;

  result.id = dbData.id;
  result.function = dbData.function.toStdString();
  result.frequency = dbData.frequency;

  // Todo: Put this into the database as well...
  result.frequencyBand = getFrequencyBand(dbData.device);

  if (dbData.akwBundle >= 0)
    result.akwBundle = dbData.akwBundle;

  if (dbData.fsbBundle >= 0)
    result.fsbBundle = dbData.fsbBundle;

  if (dbData.akwRadioCircuit >= 0)
    result.akwRadioCircuit = dbData.akwRadioCircuit;

  if (dbData.comsec >= 0)
    result.comsec = dbData.comsec;

  return result;
}

void FrequencySetHandler::addFrequencySet(const FrequencySet &frequencySet)
{
  QVector<int32_t> dataIds;

  dataIds.reserve(frequencySet.data.size());

  for (const FrequencySetDataWithId &currentData : frequencySet.data)
    dataIds << currentData.id;

  m_frequencySetDatas.insert(frequencySet.id, dataIds);

  if (!m_dts->publish(frequencySet))
    ERROR_LOG(m_logger) << "Error while publishing Frequency Set with id " << frequencySet.id;
}

} // namespace AudioVideoManagement