/**
  * @RDE_HEADER@
  * DefaultAvMenus
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Fröbel, NLSE, 2018-03-14
  */

#pragma once

#include "exercise_context.h"
#include "handler_video_team.h"

#include <AudioVideoManagement/avm_dtc.h>
#include <QObject>
#include <map>
#include <vector>
#include <memory>
#include <cstdint>

class QTimer;


namespace InfrastructureManagement
{

namespace Interface
{
class Dtc;
}

class MainStructureElement;

}


namespace AudioVideoManagement
{

namespace Interface
{
class Dts;
}


class Stream;
class AvMenuEntry;


/**
 * Will be instantiated for each Exercise.
 * It observes the Exercise for new and removed streams and publishes
 * the default Announcement- and VideoMenu accordingly.
 * @author Christian Fröbel
 */
class DefaultAvMenus : public QObject
{
  Q_OBJECT

public:
  DefaultAvMenus(const ExerciseContext &context, Interface::Dts *dts, HandlerVideoTeam *handlerVideoTeams, InfrastructureManagement::Interface::Dtc *ismDtc);
  virtual ~DefaultAvMenus() override;

  void onStreamChanged(const Stream &stream);
  void onStreamRemoved(int32_t streamId);


private slots:
  void onStreamMvsChanged();
  void onMainStructureElementChanged(const InfrastructureManagement::MainStructureElement &data, DataModification modType);
  void updateMenus();
  void removeMenus();

private:
  void updateMenu(bool isAudio);
  QString getDisplayNameForBuilding(const InfrastructureManagement::MainStructureElement &data);
  std::vector<AvMenuEntry> subMenuForBuilding(const InfrastructureManagement::MainStructureElement &building, bool isAudio);
  std::vector<Stream>      streamsForBuilding(const InfrastructureManagement::MainStructureElement &building, bool isAudio);

  LOGGER_T                                    m_logger;
  int32_t                                     menuStructId(bool isAudio);
  bool                                        m_isInitialized;
  QMap<int,QString>                           m_buildingDisplayNameForId; //For filtering all onMainStructureElementEvents that are not necessary
  ExerciseContext                             m_context;
  Interface::Dts                             *m_dts;
  HandlerVideoTeam                           *m_videoTeamHandler;
  InfrastructureManagement::Interface::Dtc   *m_ismDtc;
  std::map<int32_t, Stream>                   m_streams; //!< stream-Id -> Stream
  std::unique_ptr<QTimer>                     m_timer;
};

} // namespace AudioVideoManagement