/**
  * @RDE_HEADER@
  * ChooseStream
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Fröbel, SLSE, 2017-06-29
  */

#include "choose_stream.h"
#include "iava_comm.h"
#include "iava_command_done_observer.h"


namespace AudioVideoManagement
{

namespace AvaCommands
{

ChooseStream::ChooseStream(IAvaComm *comm, IAvaCommandDoneObserver *doneObserver, const QString &dialogId, const QString &streamName)
  : m_dialogId(dialogId)
  , m_streamName(streamName)
  , m_comm(comm)
  , m_observer(doneObserver)
{
  Q_ASSERT(comm);
  Q_ASSERT(doneObserver);
}

void ChooseStream::send()
{
  connect(m_comm, &IAvaComm::streamInfoReceived, this, &ChooseStream::onStreamInfoReceived);
  connect(m_comm, &IAvaComm::streamStateReceived, this, &ChooseStream::onStreamStateReceived);
  connect(m_comm, &IAvaComm::streamModeReceived, this, &ChooseStream::onStreamModeReceived);
  bool   muted = true;
  m_comm->chooseStream(m_dialogId, m_streamName, muted);
}

void ChooseStream::onStreamInfoReceived(const QString &dialogId, const QString &streamName, const AvaStreamInfo &streamInfo)
{
  Q_ASSERT(dialogId == m_dialogId);
  Q_ASSERT(streamName == m_streamName);
  Q_ASSERT(!m_streamInfo);
  m_streamInfo = streamInfo;
}

void ChooseStream::onStreamStateReceived(const QString &dialogId, const QString &streamName, AvaStreamState streamState)
{
  Q_ASSERT(dialogId == m_dialogId);

  // There can be multiple StreamStates for every stream that was active.
  // But all come prior to StreamInfo
  if (!m_streamInfo)
    return;

  Q_ASSERT(streamName == m_streamName);
  Q_ASSERT(!m_streamState);
  m_streamState = streamState;
}

void ChooseStream::onStreamModeReceived(const QString &dialogId, const QString &streamName, bool pint, bool autoStop)
{
  Q_UNUSED(pint);
  Q_UNUSED(autoStop);
  Q_ASSERT(dialogId == m_dialogId);
  Q_ASSERT(streamName == m_streamName);
  Q_ASSERT(m_streamInfo);
  Q_ASSERT(m_streamState);
  done();
}

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

}} // namespace AudioVideoManagement::AvaCommands