//                                               -*- C++ -*-
/**
 *  @brief QWizardPage to define the method of sensitivity analysis
 *
 *  Copyright 2015-2026 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/ScreeningIntroPage.hxx"

#include "persalys/ScreeningAnalysisWizard.hxx"
#include "persalys/PhysicalModelAnalysis.hxx"
#include "persalys/QtTools.hxx"

#include <QVBoxLayout>
#include <QRadioButton>

using namespace OT;

namespace PERSALYS
{

ScreeningIntroPage::ScreeningIntroPage(QWidget* parent)
  : QWizardPage(parent)
  , outputsSelectionGroupBox_(0)
//   , methodGroup_(0)
  , errorWidget_(0)
{
  setTitle(tr("Screening method"));

  QVBoxLayout * pageLayout = new QVBoxLayout(this);

  // output selection
  outputsSelectionGroupBox_ = new OutputsSelectionGroupBox(this);
  pageLayout->addWidget(outputsSelectionGroupBox_);

  // choose the method
  QGroupBox * methodBox = new QGroupBox(tr("Method"));
  QVBoxLayout * methodLayout = new QVBoxLayout(methodBox);

//   methodGroup_ = new QButtonGroup(this);

  // Morris
//   QRadioButton * buttonToChooseMethodSobol = new QRadioButton(tr("Morris"));
//   buttonToChooseMethodSobol->setChecked(true);
//   methodGroup_->addButton(buttonToChooseMethodSobol, ScreeningIntroPage::Morris);
//   methodLayout->addWidget(buttonToChooseMethodSobol);
  methodLayout->addWidget(new QLabel(tr("Morris")));

  pageLayout->addWidget(methodBox);

  // error message
  errorWidget_ = new ErrorWidget;
  connect(outputsSelectionGroupBox_, SIGNAL(outputsSelectionChanged(QStringList)), errorWidget_, SLOT(reset()));

  pageLayout->addStretch();
  pageLayout->addWidget(errorWidget_);
}


void ScreeningIntroPage::initialize(const Analysis& analysis)
{
  if (!dynamic_cast<const PhysicalModelAnalysis*>(analysis.getImplementation().get()))
    return;

  // method
//   const String analysisName = analysis.getImplementation()->getClassName();

//   if (analysisName == "MorrisAnalysis")
//     methodGroup_->button(ScreeningIntroPage::Morris)->click();

  // update outputs list
  PhysicalModel model = dynamic_cast<const PhysicalModelAnalysis*>(analysis.getImplementation().get())->getPhysicalModel();
  outputsSelectionGroupBox_->updateComboBoxModel(model.getSelectedOutputsNames(), analysis.getImplementation()->getInterestVariables());
}


int ScreeningIntroPage::nextId() const
{
//   if (methodGroup_->checkedId() == ScreeningIntroPage::Morris)
  return ScreeningAnalysisWizard::Page_Morris;
}


Description ScreeningIntroPage::getInterestVariables() const
{
  return QtOT::StringListToDescription(outputsSelectionGroupBox_->getSelectedOutputsNames());
}


bool ScreeningIntroPage::validatePage()
{
  if (!outputsSelectionGroupBox_->getSelectedOutputsNames().size())
  {
    errorWidget_->setFramelessErrorMessage(tr("At least one output must be selected"));
    return false;
  }
  return QWizardPage::validatePage();
}
}
