/**
  * @RDE_HEADER@
  * ActiveExerciseWithRadioGroup
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Fröbel, NLSE, 2018-02-16
  */

#include "active_exercises.h"
#include "exercise_context.h"
#include "exercises_handler.h"
#include <QtGlobal>
#include <algorithm>

namespace AudioVideoManagement
{

ActiveExercises::ActiveExercises(ExercisesHandler *exercisesHandler)
{
  Q_ASSERT(exercisesHandler);

  connect(exercisesHandler, &ExercisesHandler::contextActivated, this, &ActiveExercises::onContextActivated);
  connect(exercisesHandler, &ExercisesHandler::contextDeactivated, this, &ActiveExercises::onContextDeactivated);
}

const std::vector<ExerciseContext> &ActiveExercises::allContexts() const
{
  return m_activeExercises;
}

ActiveExercises::~ActiveExercises() = default;

void ActiveExercises::onContextActivated(const ExerciseContext &context)
{
  Q_ASSERT(!context.isDefault());
  m_activeExercises.push_back(context);
  emit contextActivated(context);
}

void ActiveExercises::onContextDeactivated(const ExerciseContext &context)
{
  auto        newEnd = std::remove(m_activeExercises.begin(), m_activeExercises.end(), context);
  const int   removeCount = m_activeExercises.end() - newEnd;
  Q_ASSERT(removeCount == 1);
  m_activeExercises.erase(newEnd, m_activeExercises.end());
  emit contextDeactivated(context);
}

bool   ActiveExercises::isActive(const ExerciseContext &context) const
{
  auto   found = std::find(m_activeExercises.begin(), m_activeExercises.end(), context);
  return found != m_activeExercises.end();
}

} // namespace AudioVideoManagement