/**
  * Controller for managing converter threads
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Philipp Dassow, NLT, 30-11-2018
  */
#include "controller.h"
#include "settings.h"

#include <QSystemTrayIcon>
#include <QMenu>

namespace SerialToTcpConverter
{

Controller::Controller(QObject *parent)
 : QObject(parent)
 , m_converterData()
 , m_icon(new QSystemTrayIcon(this))
 , m_logger(getLogger("Controller"))
{
  m_icon->setIcon(QIcon(QLatin1String(":/style/messages.svg")));
  m_icon->show();
}

Controller::~Controller()
{
  for (const ConverterData &data : qAsConst(m_converterData))
  {
    if (!data.thread)
      continue;
    data.thread->disconnect(this);
    data.thread->quit();
  }
  for (const ConverterData &data : qAsConst(m_converterData))
  {
    if (!data.thread)
      continue;
    data.thread->wait();
  }
}

bool Controller::init()
{
  QMenu *menu = new QMenu;
  const auto configs = Settings::configs();
  for (const Settings::Config &config : configs)
  {
    INFO_LOG(m_logger) << "Creating converter-thread for " << config.serialPortName;

    ConverterData data;
    data.serialPortName = config.serialPortName;
    ConverterThread *converterThread = new ConverterThread(config.serialPortName, config.serialBaudrate, config.tcpPort);
    data.thread = converterThread;
    QAction *action = new QAction(QIcon(QLatin1String(":/style/pu_yellow.svg")), tr("%1 <-> %2").arg(config.serialPortName, QString::number(config.tcpPort)), menu);
    data.menuAction = action;
    menu->addAction(action);

    m_converterData.insert(data.serialPortName, data);
    connect(converterThread, &ConverterThread::finished, this, &Controller::onThreadExit);
    connect(converterThread, &ConverterThread::connected, this, &Controller::onThreadConnected);
    converterThread->start();
  }
  m_icon->setContextMenu(menu);

  return true;
}

void Controller::onThreadExit()
{
  ConverterThread *t = qobject_cast<ConverterThread*>(sender());
  if (!t)
    return;

  const QString name = t->portName();
  auto &data = m_converterData[name];

  INFO_LOG (m_logger) << "Exiting converter-thread for serial port: "<< data.serialPortName;

  data.menuAction->setIcon(QIcon(QLatin1String(":/style/pu_red.svg")));
  data.thread->deleteLater();
  data.thread = nullptr;
}

void Controller::onThreadConnected(const QString &portName)
{
  if (!m_converterData.contains(portName))
    return;
  m_converterData[portName].menuAction->setIcon(QIcon(QLatin1String(":/style/pu_green.svg")));
}

} //namespace SerialToTcpConverter