/**
  * @RDE_HEADER@
  * $Id$
  * $HeadURL$
  * $Author$
  */
#pragma once

#include "logger.h"
#include <AudioVideoManagement/avm_fts.h>
#include <AudioVideoManagement/avm_db.h>
#include <QObject>
#include <QMap>
#include <QList>

namespace AudioVideoManagement
{

namespace Interface
{
class Dts;
}

class ObjectMenuStruct;
class AvMenuStruct;

/**
 * cfroebel 2018-03-14:
 * As of now HandlerMenuStruct only handles manually created Video- and
 * AnnouncementMenus.
 * There are also default menus (Video and Announcement) for each exercise;
 * but those are now handeled by DefaultAvMenus.
 *
 * @see DefaultAvMenus.
 */
class HandlerMenuStruct :
  public QObject,
  protected Interface::Fts::ModifyMenuStructRequestHandler,
  protected Interface::Fts::RemoveMenuStructRequestHandler
{
  Q_OBJECT

public:
  HandlerMenuStruct(Interface::Dts *dts, Interface::Fts *fts, DatabaseInterface *db);
  ~HandlerMenuStruct();

  bool init();

  static AvMenuEntry toDds(const Database::AvmMenuStruct &dbEntry);

  /**
   * Sort the entries in the following way:
   * - all toplevel entries are at the front ordered by their id
   * - all non-toplevel entries are at the back ordered by (parentId, rowId, id)
   */
  static void sortEntries(MenuStruct &menu);

private:
  bool initObjects();
  void reload();
  QList<MenuStruct>   loadFromDb(bool &status);


  void onModifyMenuStructRequest(const rti::core::SampleIdentity &cookie,
                                 const MenuStruct &request) override final;
  Core::FunctionReplyObject createMenuStructRequest(const MenuStruct &request);
  Core::FunctionReplyObject modifyMenuStructRequest(const MenuStruct &request);
  void onRemoveMenuStructRequest(const rti::core::SampleIdentity &cookie,
                                 const Core::RemoveElementRequest &request) override final;

private slots:
  void onDbDeletedAvmMenuStruct(const QVariant &id_);

private:
  Interface::Dts                    *m_dts;
  Interface::Fts                    *m_fts;
  DatabaseInterface                 *m_db;
  QMap<qint32, ObjectMenuStruct *>   m_objMap;

  LOGGER_T                           m_logger;
};

} // namespace AudioVideoManagement