/**
  * MainHandler for VideoOverlayManagement
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by hjl, SLSE, 2016-06-23
  */

#pragma once

#include <QtCore/QObject>

#include "avs_interface.h"
#include "handler_participant_data.h"
#include "handler_infrastructure_data.h"
#include "handler_overlays.h"
#include "dds_handler.h"
#include "logger.h"

class QTimer;

namespace VideoOverlayManagement
{
// Forwarddeclarations
class AvsInterface;

class MainHandler
  : public QObject
{
  Q_OBJECT
public:
  explicit MainHandler(QObject *parent = nullptr);
  ~MainHandler();

  bool init(int domainId, int exerciseId);

private Q_SLOTS:
  /**
    *  Handle signals for AVS Handling
    */
  void onAvsIfConnectionState(AvsIfConnectionState state);
  void onAvsCmdState(AvsCmdState state);
  void onAvsKeepAliveTimeout();
  bool onTryToInitOverlayHandler();    ///< Initialize OverlayHandler after sucessfully AVS connection

  /**
   * Sends a keep alive request to the server. Normally this method is
   * called periodically by the KeepAliveTimer.
   */
  void onSendKeepAlive();


private: // attributes
  int m_exerciseId;                                                       ///< Exercise id
  AvsInterface                              *m_avsIf;                     ///< Pointer to AVS-Interface
  AvsIfConnectionState                       m_avsConnectionState;        ///< AVS connection state
  std::shared_ptr<DdsHandler>                m_ddsHandler;                ///< Pointer to DDS handler
  std::shared_ptr<HandlerParticipantData>    m_handlerParticipantData;    ///< Pointer to participant data handler
  std::shared_ptr<HandlerInfrastructureData> m_handlerInfrastructureData; ///< Pointer to infrastructure data handler
  std::unique_ptr<HandlerOverlays>           m_handlerOverlays;           ///< Pointer to overlay handler

  QTimer                                  *m_checkConnectTimer;     ///< Wait for AVS connected.
  QTimer                                  *m_keepAliveTriggerTimer; ///< Timer for triggering the keep alive request
  bool                                     m_bAvsSocketWarnedOnce;

  NGL::INGLLogger                         &m_logger;                ///< Interface to the Logging-Facility

};
} // namespace VideoOverlayManagement