/**
  * Initialization for GuezNasat
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by hjl, SLSE, 2016-11-14
  */

#include "initialization.h"
#include "settings.h"
#include "dds_handler.h"
#include "handler_nasat_aircraft.h"
#include "handler_nasat_aircraft_participant.h"
#include "handler_nasat_impact.h"
#include "handler_nasat_nine_liner.h"
#include "handler_participant.h"
#include "tcp_socket_handler.h"
#include "web_socket_handler.h"
#include <GuezNasat/gna_db.h>

#include <DDS/DDSConnector/dds_connector.h>
#include <DDS/Core/pacemaker.h>

#include <QTimer>

namespace GuezNasat
{

Initialization::Initialization()
  : m_logger(getLogger("Initialization"))
{
} // end of ctor()
//-----------------------------------------------------------------------------

Initialization::~Initialization()
{
  m_jsonSocketHandler = nullptr;
  m_handlerNasatAircraft = nullptr;
  m_handlerNasatAircraftParticipant = nullptr;
  m_handlerNasatImpact = nullptr;
  m_handlerNasatNineLiner = nullptr;
  m_handlerParticipant = nullptr;
  m_ddsHandler = nullptr;
  m_dbHandler = nullptr;
} // end of dtor()
//-----------------------------------------------------------------------------

bool Initialization::initialize(const std::shared_ptr<DDSConnector::DdsConnector> &ddsConnector,
                                const QSqlDatabase &)
{
  INFO_LOG(m_logger) << "Start GuezNasat Initialization.";

  // initialize DDS
  m_ddsHandler = std::make_shared<DdsHandler>(ddsConnector);
  if (!m_ddsHandler->init())
  {
    ERROR_LOG(m_logger) << "Initialisation DdsHandler failed.";
    return false;
  }

  // initialize database, we need an own DB connection
  m_dbHandler = std::make_shared<DbHandler>();
  if (!m_dbHandler->init(ddsConnector->getPartitionId(), Settings::settings()))
//  if (!m_dbHandler->init(ddsConnector->getPartitionId(), sqlDb))
  {
    ERROR_LOG(m_logger) << "Initialisation DbHandler failed.";
    return false;
  }

  // create HandlerNasatAircraft
  m_handlerNasatAircraft.reset(new HandlerNasatAircraft(this));

  // create HandlerNasatAircraftParticipant
  m_handlerNasatAircraftParticipant.reset(new HandlerNasatAircraftParticipant(this));

  // create HandlerNasatNineLiner
  m_handlerNasatNineLiner.reset(new HandlerNasatNineLiner(this));

  // create HandlerNasatAircraftParticipant
  m_handlerNasatImpact.reset(new HandlerNasatImpact(this));

  // create ParticipantPositionPublisher
  m_handlerParticipant.reset(new HandlerParticipant(this));

  // Connection to NASAT
  if (Settings::useWebSocket())
  {
    INFO_LOG(m_logger) << "Using WebSocket";
    m_jsonSocketHandler.reset(new WebSocketHandler);
  }
  else
  {
    INFO_LOG(m_logger) << "Using TcpSocket";
    m_jsonSocketHandler.reset(new TcpSocketHandler);
  }

  INFO_LOG(m_logger) << "GuezNasat Initialization initialized";

  return true;
} // end of init()
//-----------------------------------------------------------------------------

bool Initialization::loadFromDatabase()
{
  TRACE_LOG(m_logger) << LOGFUNCTION << "START";

  if (!m_ddsHandler ||
      !m_dbHandler ||
      !m_handlerNasatAircraft ||
      !m_handlerNasatAircraftParticipant ||
      !m_handlerNasatImpact ||
      !m_handlerNasatNineLiner ||
      !m_handlerParticipant ||
      !m_jsonSocketHandler)
    return false;

  if (!m_handlerNasatAircraft->init())
  {
    ERROR_LOG(m_logger) << "Initialisation HandlerNasatAircraft failed.";
    return false;
  }
  if (!m_handlerNasatAircraftParticipant->init())
  {
    ERROR_LOG(m_logger) << "Initialisation HandlerNasatAircraftParticipant failed.";
    return false;
  }
  if (!m_handlerNasatImpact->init())
  {
    ERROR_LOG(m_logger) << "Initialisation HandlerNasatImpact failed.";
    return false;
  }
  if (!m_handlerNasatNineLiner->init())
  {
    ERROR_LOG(m_logger) << "Initialisation HandlerNasatNineLiner failed.";
    return false;
  }
  if (!m_handlerParticipant->init())
  {
    ERROR_LOG(m_logger) << "Initialisation ParticipantPositionPublisher failed.";
    return false;
  }

  // related to NLDEVCTRL-844: NASAT: Weiterleitung der Luftunterstützung sporadisch ausser Funktion
  // Waiting for all (relevant) exercises (AES) to be started, sounds better
  // But it´s complicated (some ServiceManagement topics would have to be considered)
  // 'AES process is started' is not enough, but when is the FTS available???
  // So accept a bailing out (in case of (re-)starting GNA while NASAT is sending data)
  // and keep it simple:
#define START_DELAYED
#ifdef START_DELAYED
  QTimer::singleShot(31000, m_jsonSocketHandler.get(), [this]() {
    NOTICE_LOG(m_logger) << "Initialisation SocketHandler ....";
    if (!m_jsonSocketHandler->init(Settings::socketListenPort()))
    {
      ERROR_LOG(m_logger) << "Initialisation WebSocketHandler failed.";
    }
  });
#else
  if (!m_jsonSocketHandler->init(Settings::socketListenPort()))
  {
    ERROR_LOG(m_logger) << "Initialisation WebSocketHandler failed.";
    return false;
  }
#endif // START_DELAYED

  QObject::connect(m_jsonSocketHandler.get(), &AbstractSocketHandler::simulationStatusReceived,
                   m_handlerNasatAircraft.get(), &HandlerNasatAircraft::simulationStatusChanged);
  QObject::connect(m_handlerNasatAircraft.get(), &HandlerNasatAircraft::activateNasatAircraftSimulation,
                   m_jsonSocketHandler.get(), &AbstractSocketHandler::setSimulationStatus);
  QObject::connect(m_handlerNasatAircraft.get(), &HandlerNasatAircraft::nasatIdChanged,
                   m_handlerParticipant.get(), &HandlerParticipant::onNasatIdChanged);
  QObject::connect(m_jsonSocketHandler.get(), &AbstractSocketHandler::positionReceived,
                   m_handlerParticipant.get(), &HandlerParticipant::onNasatPosition);
  QObject::connect(m_jsonSocketHandler.get(), &AbstractSocketHandler::weaponReleaseReceived,
                   m_handlerNasatImpact.get(), &HandlerNasatImpact::nasatWeaponRelease);
  QObject::connect(m_jsonSocketHandler.get(), &AbstractSocketHandler::nineLinerReceived,
                   m_handlerNasatNineLiner.get(), &HandlerNasatNineLiner::nineLinerReceived);

  TRACE_LOG(m_logger) << LOGFUNCTION << "END";
  return true;
}

std::shared_ptr<DatabaseInterface> Initialization::db() const
{
  return m_dbHandler->db();
}

} // namespace GuezNasat