//                                               -*- C++ -*-
/**
 *  @brief QObject to run an analysis in a separate thread
 *
 *  Copyright 2015-2024 EDF-Phimeca
 *
 *  This library is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "persalys/Controller.hxx"

#include <QThread>
#include <QMetaType> // mandatory to specify it to avoid windows compilation problem

namespace PERSALYS
{

void Worker::process(Analysis analysis)
{
  try
  {
    analysis.run();
  }
  catch (const std::exception &)
  {
  }
  emit processFinished();
}


Controller::Controller()
  : QObject()
{
  qRegisterMetaType<PERSALYS::PhysicalModel>("PhysicalModel");
  qRegisterMetaType<PERSALYS::Analysis>("Analysis");

  // new thread
  QThread * workerThread = new QThread;
  connect(workerThread, SIGNAL(finished()), workerThread, SLOT(deleteLater()));

  // worker
  Worker * worker = new Worker;
  worker->moveToThread(workerThread);

  // connections
  connect(this, SIGNAL(launchAnalysisRequested(Analysis)), worker, SLOT(process(Analysis)));
  connect(worker, SIGNAL(processFinished()), this, SIGNAL(processFinished()));
  connect(worker, SIGNAL(processFinished()), workerThread, SLOT(quit()));
  connect(worker, SIGNAL(processFinished()), worker, SLOT(deleteLater()));
  connect(worker, SIGNAL(processFinished()), this, SLOT(deleteLater()));

  // start thread
  workerThread->start();
}


void Controller::launchAnalysis(Analysis analysis)
{
  emit launchAnalysisRequested(analysis);

  // Warning : NOT create worker as attribut and then write here worker.process():
  // otherwise the run method WON'T be launch in a separate thread !
}
}
