/**
  * MainHandler for ExerciseManagement
  * $Id$
  * $HeadURL$
  * $Author$
  */

#include "main_handler.h"

#include "handler_access_control_level.h"
#include "handler_operator.h"
#include "handler_group.h"
#include "handler_locked_topics.h"
#include "handler_active_apps.h"
#include "settings.h"

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

namespace OperatorManagement
{

MainHandler::MainHandler()
  : m_logger(getLogger("MainHandler"))
{}

MainHandler::~MainHandler()
{
  // destruction in reverse order:
  m_handlerActiveApps = nullptr;
  m_handlerLockedTopics = nullptr;
  m_handlerWebSocket = nullptr;
  m_handlerOperator = nullptr;
  m_handlerGroup = nullptr;
  m_handlerAcl = nullptr;

  // Finally 'serving' objects:
  m_ddsHandler = nullptr;
  m_dbHandler = nullptr;
}


bool MainHandler::init(int domainId)
{
  // initialize database
  m_dbHandler = std::make_shared<DbHandler>();

  if (!m_dbHandler->init(0, Settings::settings()))
  {
    ERROR_LOG(m_logger) << "Initialisation dbHandler failed.";
    return false;
  }

  // initialize DDS
  m_ddsHandler = std::make_shared<DdsHandler>(domainId);
  if (!m_ddsHandler->init())
    return false;

  // read project specific data from database
  // publish project specific data
  // initialize the specific handler
  if (!initAclHandler())
    return false;

  {
    DDSConnector::CoherentSet cs(m_ddsHandler->ddsConnector());
    if (!initOperatorHandler())
      return false;
  }

  if (!initGroupHandler())
    return false;

  if (!initWebSocketHandler())
    return false;

  if (!initLockedTopicsHandler())
    return false;

  if (!initActiveApps())
    return false;

  m_ddsHandler->pacemaker()->setNewState(Core::RunningState::Running);
  return true;
}

bool MainHandler::initAclHandler()
{
  m_handlerAcl = std::make_shared<HandlerAccessControlLevel>(this);

  return m_handlerAcl->init();
}

bool MainHandler::initOperatorHandler()
{
  m_handlerOperator = std::make_shared<HandlerOperator>(this);

  return m_handlerOperator->init();
}

bool MainHandler::initGroupHandler()
{
  m_handlerGroup = std::make_shared<HandlerGroup>(this);

  return m_handlerGroup->init();
}

bool MainHandler::initLockedTopicsHandler()
{
  m_handlerLockedTopics = std::make_shared<HandlerLockedTopics>(*this);

  return m_handlerLockedTopics->init();
}

bool MainHandler::initWebSocketHandler()
{
  // WebSocketServer
  m_handlerWebSocket =  std::make_shared<WebSocketInterface::WebSocketInterfaceHandler>(this);
  DEBUG_LOG(m_logger) << "Reset WebSocketInterfaceHandler succesful.";
  if (!m_handlerWebSocket->init())
  {
    ERROR_LOG(m_logger) << "Initialisation WebSocketInterfaceHandler failed.";
    return false;
  }
  m_ddsHandler->pacemaker()->addPort(m_handlerWebSocket->serverWebSocketPort(), Core::PortType::WebSocketServer);
  DEBUG_LOG(m_logger) << "Initialisation WebSocketInterfaceHandler succesful.";

  return true;
}

bool MainHandler::initActiveApps()
{
  m_handlerActiveApps = std::make_shared<HandlerActiveApps>(this);

  return m_handlerActiveApps->init();
}

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

} // namespace OperatorManagement