/**
  * @RDE_HEADER@
  * SetVolume
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Fröbel, NLSE, 2018-02-28
  */

#include "set_volume.h"
#include "iava_comm.h"
#include "iava_command_done_observer.h"

namespace AudioVideoManagement
{

namespace AvaCommands
{

SetVolume::SetVolume(IAvaComm *comm, IAvaCommandDoneObserver *doneObserver, AvaVolume db)
  : m_db(db)
  , m_comm(comm)
  , m_observer(doneObserver)
{
  Q_ASSERT(comm);
  Q_ASSERT(doneObserver);
}

void SetVolume::send()
{
  QObject::connect(m_comm, &IAvaComm::ok, this, &SetVolume::onOk);
  QObject::connect(m_comm, &IAvaComm::volumeReceived, this, &SetVolume::onVolumeReceived);

  m_comm->setVolume(m_db);
}

bool SetVolume::nullifies(ICommand *other) const
{
  Q_ASSERT(other);
  SetVolume   *other_ = dynamic_cast<SetVolume*>(other);
  if (!other_)
    return false;

  return true;
}

void SetVolume::onOk()
{
  Q_ASSERT(!m_ok);
  m_ok = true;
}

void SetVolume::onVolumeReceived(AvaVolume db)
{
  Q_UNUSED(db);

  if (!m_ok)
    return;

  done();
}

void SetVolume::done()
{
  m_comm->disconnect(this);
  m_observer->done(this);
}

}} // namespace AudioVideoManagement::AvaCommands