/**
  * @RDE_HEADER@
  * ActiveExercises
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Fröbel, NLE, 2019-08-01
  */

#pragma once

#include <QObject>
#include <set>

namespace ExerciseManagement
{

namespace Interface
{
class Dtc;
}

class Exercise;

} // namespace ExerciseManagement

enum class DataModification;

namespace CombatNetRadio
{

/**
 * Observes the Exercises and signals whenever an Exercise gets activated or deactivated.
 * An Exercise is considered active if its state is either Started or Paused.
 * Whether the Exercise has an active FrequencyPlanning is irrelevant.
 *
 * @author Christian Fröbel
 */
class ActiveExercises : public QObject
{
  Q_OBJECT

public:
  ActiveExercises(ExerciseManagement::Interface::Dtc *exmDtc);

signals:
  void activated(int exerciseId);
  void deactivated(int exerciseId);

private:
  void onExerciseChanged(const ExerciseManagement::Exercise &exercise, DataModification modType);

private:
  void check(const ExerciseManagement::Exercise &exercise);
  void tryActivate(int exerciseId);
  void tryDeactivate(int exerciseId);

  ExerciseManagement::Interface::Dtc     *m_exmDtc;
  std::set<int>                           m_activeExercises;
};

} // namespace CombatNetRadio