//  GWt_softwarePanel.cpp
//  PSPA
//
//  Created by Garnier Laurent on 30/01/13.
//  Copyright (c) 2013 Garnier Laurent. All rights reserved.
//

#include <Wt/WLineEdit>
#include <Wt/WText>
#include <Wt/WComboBox>
#include <Wt/WPanel>
#include <Wt/WBreak>
#include <Wt/WApplication>
#include <Wt/WVBoxLayout>

#include "GWt_softwarePanel.h"
#include "GWt_dialog.h"
#include "GWt_console.h"
#include "GWt_globalParameters.h"
#include "GWt_sectionToExecute.h"


GWt_softwarePanel::GWt_softwarePanel(dataManager* dataManager,PspaApplication* pspa)
  : WContainerWidget() 
{
  dtmanage_ = dataManager;
  pspa_ = pspa;
  
  // bouton execute
  exec_go_ = new WPushButton("execute!");
  //    exec_go_->setMinimumSize(300,300);
  //  exec_go_->setDisabled(true);
  exec_go_->clicked().connect(this, &GWt_softwarePanel::executer);
  
    
  // preparation du bouton push_ok
  //  WPushButton* exec_ok = new WPushButton("ok");
  //  exec_ok->clicked().connect(this, &GWt_softwarePanel::updateSectionSelection);
  
  // le panel
  WPanel *panelLogiciels = new WPanel(this);
  panelLogiciels->setTitle(" sections of beam line for executing softwares ");
  
  contenuSections_ = new WContainerWidget();
  //  contenuSections_->addWidget(exec_ok);
  contenuSections_->addWidget(exec_go_);
  contenuSections_->addWidget(new WBreak());
  contenuSections_->addWidget(new WBreak());
  addSectionToExecuteW();
  
  panelLogiciels->setCentralWidget(contenuSections_);
}

GWt_softwarePanel::~GWt_softwarePanel() {
}

void GWt_softwarePanel::addSectionToExecuteW()
{    
  
  abstractElement* premierElement;
  abstractElement* dernierElement;

  int premierIndex = 0;
  int dernierIndex = 0;

    // if there is no section
  if(sections_.size() == 0) {
      premierElement = pspa_->getBeamLine()->getAbstractElement(0);
      premierIndex = 0;

  // if this is not the first :
  // - first element will be the last of the previous section
  // (or the same if it is the last of the beam line)
  // - lastElement will be the last of the beam line
  // - software will be the first of the list
      
  } else {
    dernierElement = pspa_->getBeamLine()->getAbstractElement(pspa_->getBeamLine()->getBeamLineSize()-1);
    dernierIndex = pspa_->getBeamLine()->getBeamLineSize()-1;

    premierElement = dernierElement;
    premierIndex = dernierIndex;
    
/*    int indexOfLastElementOfLastSection = dtmanage_->getJobListAt(dtmanage_->getJobListSize()-1)->getLastElementNumberInSection();

    
    // if there are still elements at the end
    if (pspa_->getBeamLine()->getAbstractElement(indexOfLastElementOfLastSection+1) != NULL ) {
      premierIndex = indexOfLastElementOfLastSection+1;
      premierElement = pspa_->getBeamLine()->getAbstractElement(indexOfLastElementOfLastSection+1);

      // if this is the last element
    } else {
      premierIndex = indexOfLastElementOfLastSection;
      premierElement = pspa_->getBeamLine()->getAbstractElement(indexOfLastElementOfLastSection);
        
    }
 */
  }
  
  dernierElement = pspa_->getBeamLine()->getAbstractElement(pspa_->getBeamLine()->getBeamLineSize()-1);
  dernierIndex = pspa_->getBeamLine()->getBeamLineSize()-1;
  //  cout << "PspaApplication::addSectionToExecute() : " << premierText << " à  " << dernierText << endl;
  
  
  abstractSoftware* soft = NULL;
  dtmanage_->addSectionToExecute(premierElement,premierIndex, dernierElement, dernierIndex, soft);

  std::string premierElementLabel = "";
  std::string dernierElementLabel = "";
  if (premierElement) {
    premierElementLabel = premierElement->getLabel();
  }

  if (dernierElement) {
    dernierElementLabel = dernierElement->getLabel();
  }

  WComboBox* lineFromCombo = new WComboBox();
  WComboBox* lineToCombo = new WComboBox();
  fillComboWithElements(lineFromCombo);
  fillComboWithElements(lineToCombo);

  // set selection
  lineFromCombo->setCurrentIndex(premierIndex);
  lineToCombo->setCurrentIndex(dernierIndex);

  WComboBox* softCombo = new WComboBox();
  fillComboWithSoftwares(softCombo);

  GWt_sectionToExecute* newSection = new GWt_sectionToExecute(lineFromCombo, lineToCombo, softCombo,createAddDeletePushButtons(sections_.size()),this);

  stringstream st;
  st << sections_.size();

  // this is the mean to identify this section!
  newSection->setObjectName(st.str());

  // push back on sections vector
  sections_.push_back(newSection);

  contenuSections_->addWidget(newSection);
  
  updateSections();
}


// void GWt_softwarePanel::disableSectionExecute()
// {
//   exec_go_->setDisabled(true);
// }


// void GWt_softwarePanel::checkSectionSelection()
// {
//   if ( selectedSections_.empty() ) return;
  
//   // traitement de la premiere ligne
//   // on impose le depart du calcul au premier element
//   string premier = dtmanage_->getLabelFromElementNumero(1);
//   (*selectedSections_.begin())->debut->setText(premier);
  
//   string currentString =  (*selectedSections_.begin())->fin->text().toUTF8();
//   int current = dtmanage_->getNumeroFromElementLabel(currentString);
    
//   // si la fin est mal definie on prend toute la config par defaut
//   if ( current <= 0 || current > dtmanage_->getBeamLineSize() )
//     {
//       current = dtmanage_->getBeamLineSize();
//       currentString =  dtmanage_->getLabelFromElementNumero(current);
//       (*selectedSections_.begin())->fin->setText(currentString);
//     }
//   current++;
//   currentString = dtmanage_->getLabelFromElementNumero(current);
  
//   // traitement des suivantes (on avance d'un cran dans la liste)
//   list<GWt_sectionToExecute*>::iterator itr, itr0;
//   itr0 = selectedSections_.begin();
//   itr0++;
//   for (itr = itr0; itr != selectedSections_.end(); itr++)
//     {
//       // debut
//       if ( current > dtmanage_->getBeamLineSize() )
//         {
// 	  GWt_dialog warningDialog("PSPA :: verification des sections", " bad section definition !", GWt_dialog::Error,true,true);
// 	  warningDialog.exec();
// 	  return;
//         }
      
//       (*itr)->debut->setText(currentString);
//       // fin
//       string finString =  (*itr)->fin->text().toUTF8();
      
//       int numeroFin = dtmanage_->getNumeroFromElementLabel( finString);
      
//       if ( numeroFin < current || numeroFin > dtmanage_->getBeamLineSize())
//         {
// 	  GWt_dialog warningDialog("PSPA : Checking of sections", " bad section definition !", GWt_dialog::Error, true,true);
// 	  warningDialog.exec();
// 	  return;
//         }
      
//       // preparation de la ligne suivante
//       current = numeroFin +1;
//       currentString = dtmanage_->getLabelFromElementNumero(current);
//     }
  
//   if (!areDataCoherent()) {
//     GWt_dialog warningDialog("PSPA : verification des sections", " donnees incoherentes !", GWt_dialog::Error,true,true);
//     warningDialog.exec();
//   }
//   else
//     {
//       exec_go_->setDisabled(false);
        
//         // All ok, then put colors on beamLine
//         list<GWt_sectionToExecute*>::iterator itr2;
//         for(itr2 = selectedSections_.begin();itr2 != selectedSections_.end(); itr2++)
//         {
//             string debString = (*itr2)->debut->text().toUTF8();
//             string finString = (*itr2)->fin->text().toUTF8();
            
            
//             int debut = dtmanage_->getNumeroFromElementLabel(debString);
//             int fin = dtmanage_->getNumeroFromElementLabel(finString);
// /**
//  for (int i=debut; i=<fin; i++) {
//                 getBeamLine()->getAbstractElement(i)->setBGColor(
                
//             }
//             nomDeLogiciel prog = nomDeLogiciel ( (*itr)->selection->currentIndex() );
//             dtmanage_->addSectionToExecute(debut,fin,prog);
// */
//         }
//     }
    

// }

bool GWt_softwarePanel::updateSectionSelection()
{
  if ( dtmanage_->getJobListSize() == 0 ) return false;
  
  // traitement de la premiere ligne
  // on impose le depart du calcul au premier element
  string premier = dtmanage_->getLabelFromElementNumero(1);
  if (sections_.size() > 0) {
    sections_[0]->setFirstElementCurrentSelection(premier);
  }
  
  Wt::WString currentString =  sections_[0]->getLastElementCurrentText();
  int current = dtmanage_->getNumeroFromElementLabel(currentString.toUTF8());
  
  // si la fin est mal definie on prend toute la config par defaut
  if ( current <= 0 || current > dtmanage_->getBeamLineSize() )
  {
    current = dtmanage_->getBeamLineSize();
    currentString =  dtmanage_->getLabelFromElementNumero(current);
    if (sections_.size() > 0) {
      sections_[0]->setLastElementCurrentSelection(currentString);
//...
    }
  }
  current++;
  currentString = dtmanage_->getLabelFromElementNumero(current);
  
  // traitement des suivantes (on avance d'un cran dans la liste)
  for (int a = 1; a< sections_.size(); a++)
    {
      // debut
      if ( current > dtmanage_->getBeamLineSize() )
        {
          sections_[a]->setErrors("This section element could not be after previous session last element");
          exec_go_->disable();
          return false;
        }
      
      sections_[a]->setFirstElementCurrentSelection(currentString);

      // fin
      string finString =  sections_[a]->getLastElementCurrentText().toUTF8();
      
      int numeroFin = dtmanage_->getNumeroFromElementLabel( finString);
      
      if ( numeroFin < current)
      {
        sections_[a]->setErrors("Last section element should be after first section element");
        exec_go_->disable();
        return false;
      }

      if (numeroFin > dtmanage_->getBeamLineSize())
      {
        sections_[a]->setErrors("Last section element number is greater than the beam line size");
        exec_go_->disable();
        return false;
      }
      
      // preparation de la ligne suivante
      current = numeroFin +1;
      currentString = dtmanage_->getLabelFromElementNumero(current);
    }
  //  exec_go_->setDisabled(false);

  if (!areDataCoherent()) {
    exec_go_->disable();
  } else {
    exec_go_->enable();
  }

  return true;
}


bool GWt_softwarePanel::areDataCoherent()
{
  bool caMarche = true;

  // initialize dataManager
  dtmanage_->initializeExecution();
  
  // intialize User Interface
  if (pspa_->getBeamLine()) {
    pspa_->getBeamLine()->initializeSoftwares();
  }
  
  string diagnosticErrors;
  string diagnosticWarnings;
  
  for (int a = 0; a< sections_.size(); a++)
  {
    string debString = sections_[a]->getFirstElementCurrentText().toUTF8();
    string finString = sections_[a]->getLastElementCurrentText().toUTF8();
    
    int debut = pspa_->getBeamLine()->getAbstractElementIndexFromLabel(debString)+1; // FIXME : Should NOT be +1
    int fin = pspa_->getBeamLine()->getAbstractElementIndexFromLabel(finString)+1; // FIXME : Should NOT be +1
    
    nomDeLogiciel prog = nomDeLogiciel ( sections_[a]->getSoftwareCurrentText().toUTF8());
    dtmanage_->addSectionToExecute(pspa_->getBeamLine()->getAbstractElement(debut),
                                   debut,
                                   pspa_->getBeamLine()->getAbstractElement(fin),
                                   fin,
                                   dtmanage_->createSoftwareConnexion(prog));
    
    diagnosticErrors = "";
    diagnosticWarnings = "";

    // check sections
    for (int i=debut-1; i<fin; i++) {
      if (pspa_->getBeamLine()) {
        if (pspa_->getBeamLine()->getAbstractElement(i)) {
          trivaluedBool tb = pspa_->getBeamLine()->getAbstractElement(i)->setSoftware(prog.getString());
          if (tb  == TBoolError ) {
            diagnosticErrors += pspa_->getBeamLine()->getAbstractElement(i)->getLabel() + " is not allowed with "+ prog.getString()+"<br /> ";

            caMarche = false;

            // intialize thissoftware
            pspa_->getBeamLine()->getAbstractElement(i)->setSoftware(nomDeLogiciel::unknownSoftware);

          } else if ( tb == TBoolIgnore ) {
            diagnosticWarnings += pspa_->getBeamLine()->getAbstractElement(i)->getLabel() + " will be ignored by  "+ prog.getString()+"<br /> ";
            

          }
          pspa_->getBeamLine()->update(i);
        }
      }
    }
    // set errors and warnings
    sections_[a]->setErrors(diagnosticErrors);
    sections_[a]->setWarnings(diagnosticWarnings);
  }
    
  return caMarche;
}

void GWt_softwarePanel::deleteSectionToExecuteW(int sectionLabel)
{
  stringstream st;
  st << sectionLabel;
  std::string sectionName = st.str();
  
  if ( dtmanage_->getJobListSize() == 0 ) return;
  for (unsigned int sectionIndex = 0; sectionIndex< sections_.size(); sectionIndex++) {
    if (sections_[sectionIndex]->objectName() == sectionName) {

      // delete from dataManager
      dtmanage_->clearSectionToExecute(sectionIndex);

      // delete from User Interface
      contenuSections_->removeWidget(sections_[sectionIndex]);
      delete sections_[sectionIndex];
      sections_.erase (sections_.begin()+sectionIndex);
    }
  }  
}


void GWt_softwarePanel::updateSections()
{
  // update all sections in order to manage new/deleted items
  for (int a = 0; a< sections_.size(); a++) {
    fillComboWithElements(sections_[a]->getFirstElement());
    fillComboWithElements(sections_[a]->getLastElement());

    sections_[a]->getFirstElement()->setEnabled (true);
    sections_[a]->getLastElement()->setEnabled (true);
  }
  if (sections_.size() == 0) {
    return;
  }
  // the first element will always be the first element of the beamLine
  sections_[0]->getFirstElement()->setCurrentIndex(0);
  sections_[0]->getFirstElement()->setEnabled (false);

  // the last element will always be the last element of the beamLine
  sections_[sections_.size()-1]->getLastElement()->setCurrentIndex(sections_[sections_.size()-1]->getLastElement()->count());
  sections_[sections_.size()-1]->getLastElement()->setEnabled (false);

  // set default values

  // update
  updateSectionSelection();
}



/*
 string GWt_softwarePanel::getSelection()
{
  list<GWt_sectionToExecute*>::iterator itr = selectedSections_.begin();
  string str = (*itr)->fin->text().toUTF8();
  return str;
}
*/

void GWt_softwarePanel::executer()
{

  if (!areDataCoherent()) {
    //    GWt_dialog warningDialog("PSPA : verification des sections", " donnees incoherentes !", GWt_dialog::Error,true,true);
    //    warningDialog.exec();
    //    exec_go_->setDisabled(true);
    return;
  }
  
  // GWt_console* console = NULL;
  // if (static_cast<GWt_console*> (wApp->findWidget ("console"))) {
  //   console = static_cast<GWt_console*> (wApp->findWidget ("console"));
  //   console->addConsoleMessage(string("on va peut etre y arriver"));
  // }
  
  static_cast<GWt_globalParameters*>(pspa_->getGlobalParam())->updateGlobals();
  
  GWt_dialog calculDialog("Calcul en cours", "Veuillez patienter...", GWt_dialog::Wait, true,false);
  calculDialog.show();
    
  wApp->processEvents();
  
  if (!dtmanage_->executeAll()) {
    GWt_dialog warningDialog("PSPA : Echec", " echec lors de l'exÈcution !", GWt_dialog::Error, true,true);
    warningDialog.exec();
  }
      
  //  exec_go_->setDisabled(true);
  calculDialog.hide();  
  pspa_->faireDessin();
}


void GWt_softwarePanel::fillComboWithElements(Wt::WComboBox* cBox) {
  if (cBox == NULL) return;

  // get the last item selected
  WString selectedString = cBox->currentText ();
  cBox->clear();

  for (int a=0; a< pspa_->getBeamLine()->getBeamLineSize(); a++) {
    abstractElement* abs = pspa_->getBeamLine()->getAbstractElement(a);
    if (abs != NULL){
      cBox->addItem(abs->getLabel());
    }
  }
  
  for (int a=0; a<cBox->count(); a++) {
    if (cBox->itemText (a) == selectedString) {
      cBox->setCurrentIndex(a);
    }
  }
  cBox->refresh();
}


void GWt_softwarePanel::fillComboWithSoftwares(Wt::WComboBox* cBox) {
  if (cBox == NULL) return;
  cBox->clear();

  unsigned nb = nomDeLogiciel::getNumberOfSoftwares();
  unsigned k;
  for(k = 0; k < nb; k++) {
    cBox->addItem(nomDeLogiciel(k).getString());
  }
  cBox->refresh();
}


Wt::WContainerWidget* GWt_softwarePanel::createAddDeletePushButtons(int sectionNumber) {

  WContainerWidget* buttonContainer= new WContainerWidget();
  
  Wt::WHBoxLayout* buttonContainerLayout = new Wt::WHBoxLayout();
  buttonContainerLayout->setContentsMargins(0,0,0,0);
  // preparation du bouton add
  WPushButton* exec_add = new WPushButton("+");
  exec_add->clicked().connect(this, &GWt_softwarePanel::addSectionToExecuteW);
  exec_add->setStyleClass("roundButton");
  exec_add->setMaximumSize(20,20);
  exec_add->setToolTip("Add new section");
  
  // preparation du bouton delete
  WPushButton* exec_delete = new WPushButton("-");
  //  warningsContainer_->setStyleClass("warningsContainer");

  exec_delete->clicked().connect(boost::bind(&GWt_softwarePanel::deleteSectionToExecuteW, this, sectionNumber));
  exec_delete->setStyleClass("roundButton");
  exec_delete->setMaximumSize(20,20);
  exec_delete->setToolTip("Remove this section");

  buttonContainerLayout->addWidget(exec_add);
  buttonContainerLayout->addWidget(exec_delete);

  buttonContainer->setLayout(buttonContainerLayout);

  return buttonContainer;
}