/**
  * @RDE_HEADER@
  * AvaSession
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Fröbel, SLSE, 2017-07-17
  */

#include "ava_session.h"
#include "ava_control.h"
#include "iava_comm.h"
#include "avs_dialog.h"
#include <chrono>

namespace AudioVideoManagement
{

AvaSession::AvaSession(AvaControl *ctrl, int exerciseId, const QString &operator_, const QString &langCode, AvaAudioPrio audioPrio, QChar timezone, AvaGuiStyle guiStyle, bool keepAliveEnabled)
  : m_ctrl(ctrl)
  , m_exerciseId(exerciseId)
  , m_operator(operator_)
  , m_langCode(langCode)
  , m_audioPrio(audioPrio)
  , m_timezone(timezone)
  , m_guiStyle(guiStyle)
  , 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(), &IAvaComm::connected, this, &AvaSession::onConnected);
  connect(m_ctrl->comm(), &IAvaComm::disconnected, this, &AvaSession::onDisconnected);
  connect(&m_keepAliveTimer, &QTimer::timeout, this, &AvaSession::onKeepAliveTimerElapsed);
}

void AvaSession::onAudioPrioChanged(AvaAudioPrio newPrio)
{
  m_audioPrio = newPrio;
  if (!m_established)
    return;

  onDisconnected();
  onConnected();
}

void AvaSession::onTimezoneChanged(QChar newTimezone)
{
  m_timezone = newTimezone;
  if (!m_established)
    return;

  m_ctrl->setTimezone(m_timezone);
}

void AvaSession::onConnected()
{
  m_ctrl->switchContext(m_exerciseId);
  m_ctrl->setUserProfile(m_operator, m_langCode, m_audioPrio, m_guiStyle);
  m_ctrl->setTimezone(m_timezone);

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

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

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

} // namespace AudioVideoManagement