/**
  * @RDE_HEADER@
  * VdSession
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Astrid Müller, SGAS, 2018-02-26
  */

#include "vd_session.h"
#include "vd_control.h"
#include "ivd_comm.h"

namespace AudioVideoManagement
{

VdSession::VdSession(VdControl *ctrl, int exerciseId, bool keepAliveEnabled)
  : m_ctrl(ctrl)
  , m_exerciseId(exerciseId)
  , m_keepAliveEnabled(keepAliveEnabled)
  , m_logger(getLogger("AvaSession"))
{
  Q_ASSERT(ctrl);

  m_keepAliveTimer.setInterval(std::chrono::milliseconds(5000).count());
  m_keepAliveTimer.setSingleShot(true);

  connect(m_ctrl->comm(), &IVdComm::connected, this, &VdSession::onConnected);
  connect(m_ctrl->comm(), &IVdComm::disconnected, this, &VdSession::onDisconnected);
  connect(&m_keepAliveTimer, &QTimer::timeout, this, &VdSession::onKeepAliveTimerElapsed);
}

void VdSession::onConnected()
{
  m_ctrl->switchContext(m_exerciseId);

  m_established = true;
  if (m_keepAliveEnabled)
    m_keepAliveTimer.start();
  DEBUG_LOG(m_logger) << "session established";
  emit sessionEstablished();
}

void VdSession::onDisconnected()
{
  m_keepAliveTimer.stop();
  m_established = false;
  DEBUG_LOG(m_logger) << "disconnected";
  emit disconnected();
}

void VdSession::onKeepAliveTimerElapsed()
{
  m_ctrl->keepAlive();
  m_keepAliveTimer.start();
}

} // namespace AudioVideoManagement