/**
  * Handler for infrastructure data
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by hjl, SLSE, 2016-07-22
  */

#pragma once

#include "dds_handler.h"
#include "logger.h"

#include <InfrastructureManagement/ism_dtc.h>

#include <QtCore/QObject>
#include <QtCore/QMap>

namespace VideoOverlayManagement
{

class HandlerInfrastructureData : public QObject
{
  Q_OBJECT
public:
  explicit HandlerInfrastructureData(const std::shared_ptr<DdsHandler> &ddsHandler, QObject *parent = nullptr);

  ~HandlerInfrastructureData();

  /**
    * Initialize the handler to manage information from infrastructure management
    */
  bool init(int exerciseId);

  /**
    * Check if there is a camera in the room
    * @param[in] roomId    Id of the room to get information about camera availability
    * @returns true if camera is available, otherwise false
    */
  bool isCameraAvailable(int roomId) const;

  /**
    * Returns the streamname of the camera for the given roomId
    * @param[in] roomId    Id of the room to get the streamname for this camera
    * @returns returns the streamname if camera is available, otherwise string is empty
    */
  QString getStreamNameFromRoomId(int roomId) const;


Q_SIGNALS:

private Q_SLOTS:
  /**
    * Handle the signals from 'InfrastructureManagement'
    */
  void onAssetChanged(const InfrastructureManagement::InstrumentationAsset &data, DataModification modType);

private: // methoden
  /**
    * Returns the room id for the given assetId
    * @param[in] assetId    Id of the asset to get the room id for
    * @returns returns the room id if available, otherwise -1
    */
  int getRoomIdFromAssetId(int assetId) const;

private: // attributes
  std::shared_ptr<DdsHandler>  m_ddsHandler;                        ///< Pointer to VOM DDS handler
  std::shared_ptr<InfrastructureManagement::Interface::Dtc> m_dtc;  ///< Pointer to DTC InfrastructureManagement interface object

  QMap<int, int> m_assetId2RoomIdMap; ///< optional nur noetig bei subscribe for AssetChanged

  QMap<int, QString> m_roomId2CameraNameMap;    ///< Reference map roomId to camera name(roomId, cameraName) Condition: per room one camera!
  int m_exerciseId;

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

};
} // namespace VideoOverlayManagement