/**
  * @RDE_HEADER@
  *
  * Subscriber (DataSampleReceiver)
  * Uses DDTCs to subscribe to data
  *
  * $Id$
  * $HeadURL$
  * $Author$
  */
#include "subscriber.h"
#include "telegrammodel.h"

namespace DdsView
{

Subscriber::Subscriber(const dds::domain::DomainParticipant &domainParticipant,
                       const std::string &partition,
                       TelegramModel *tm)
  : DDSConnector::Subscriber(domainParticipant, partition)
  , m_telegramModel(tm)
  , m_logger(DdsView::getLogger("Subscriber"))
{}

Subscriber::~Subscriber()
{
  qDeleteAll(m_ddtcMap);
  m_ddtcMap.clear();
}

void Subscriber::processData(const dds::core::xtypes::DynamicData &data, const QString &topicName, DataModification modType)
{
  m_telegramModel->processData(data, topicName, modType);
}

bool Subscriber::initDDTCs(const QVector<DDSGeneric::TopicDescription> &vDro)
{
  // TODO: remove old droEntries

  QMap<std::string, ddtc *> newTopics;

  for (const DDSGeneric::TopicDescription &ti : vDro)
  {
    auto it = m_ddtcMap.find(ti.name);
    if (it != m_ddtcMap.end())
    {
      // already there
      newTopics.insert(it.key(), it.value());
      m_ddtcMap.erase(it);
      continue;
    }

    DTC::Ddtc<DDSGeneric::DynamicDataReader> *ddtc = this->create(
                                                       [this](const dds::core::xtypes::DynamicData & data, const std::string & topicName, DataModification modType)
    { processData(data, QString::fromStdString(topicName), modType); },
    ti.type,
    nullptr /* Use SubscriberListener from DdsConnector */,
    ti.name
                                                     );
    if (ddtc == nullptr)
    {
      ERROR_LOG(m_logger) << "Can't create ddtc for Topic (" << ti.name << "), TypeName (" << ti.typeName << ")";
      continue;
    }

    if (ddtc->hasSamples())
    {
      for (const auto &data : ddtc->readAlive())
        processData(data.data(), QString::fromStdString(ti.name), DataModification::eAdded);
    }
    newTopics.insert(ti.name, ddtc);
  }
  qDeleteAll(m_ddtcMap);
  m_ddtcMap = newTopics;

  return true;
} // end initDDTCs()

} // Namespace DdsView