//  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"
#include "GWt_pspaApplication.h"

#define BAVARD 0

GWt_softwarePanel::GWt_softwarePanel(dataManager* dataManager,PspaApplication* pspa)
  : WContainerWidget() 
{
  dtmanage_ = dataManager;
  pspa_ = pspa;
  
  // bouton execute
  exec_go_ = new WPushButton("execute!");
  exec_go_->clicked().connect(this, &GWt_softwarePanel::executer);

  // le panel
  WPanel *panelLogiciels = new WPanel(this);
  panelLogiciels->setTitle(" sections of beam line for executing softwares ");
  
  contenuSections_ = new WContainerWidget();
  contenuSections_->addWidget(exec_go_);
  contenuSections_->addWidget(new WBreak());
  contenuSections_->addWidget(new WBreak());
  addSectionToExecuteW();
  
  panelLogiciels->setCentralWidget(contenuSections_);
}

GWt_softwarePanel::~GWt_softwarePanel() {
}

void GWt_softwarePanel::addSectionToExecuteW()
{      
#if BAVARD > 0
  cout << "***********************************" << endl;
  cout << " GWt_softwarePanel::addSectionToExecuteW() " << endl<<endl;
#endif

  abstractElement* premierElement;
  abstractElement* dernierElement;

  int premierIndex = 0;
  int dernierIndex = 0;
  
  cout << "sections_.size() = " << sections_.size() << endl;

  // 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;
  }
  
  dernierElement = pspa_->getBeamLine()->getAbstractElement(pspa_->getBeamLine()->getBeamLineSize()-1);
  dernierIndex = pspa_->getBeamLine()->getBeamLineSize()-1;
  
  dtmanage_->addSectionToExecute(premierElement,premierIndex,dernierElement,dernierIndex,nomDeLogiciel());

  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::updateSections()
{
#if BAVARD > 0
  cout << "***********************************" << endl;
  cout << " GWt_softwarePanel::updateSections() " << endl<<endl;
#endif

  // 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
  updateSectionSelection();
}

bool GWt_softwarePanel::updateSectionSelection()
{
#if BAVARD > 0
  cout << "***********************************" << endl;
  cout << " GWt_softwarePanel::updateSectionSelection() " << endl<<endl;
#endif

  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()) {
#if BAVARD > 0
    cout << " GWt_softwarePanel::addSectionToExecuteW() DISABLE" << endl;
#endif
    exec_go_->disable();
  } else {
#if BAVARD > 0
    cout << " GWt_softwarePanel::addSectionToExecuteW() ENABLE" << endl;
#endif
    exec_go_->enable();
  }

  return true;
}

bool GWt_softwarePanel::areDataCoherent()
{
#if BAVARD > 0
  cout << "***********************************" << endl;
  cout << " GWt_softwarePanel::areDataCoherent() " << endl<<endl;
#endif

  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()->getAbstractElementNumeroFromLabel(debString);
      int fin = pspa_->getBeamLine()->getAbstractElementNumeroFromLabel(finString);

      string currentSoft= sections_[a]->getSoftwareCurrentText().toUTF8();
      nomDeLogiciel prog = nomDeLogiciel(currentSoft);
      sectionToExecute* sectToExec = dtmanage_->addSectionToExecute(pspa_->getBeamLine()->getAbstractElement(debut),debut,pspa_->getBeamLine()->getAbstractElement(fin),fin,prog);

      abstractSoftware* softToExec = sectToExec->getSoftware(); 
      diagnosticErrors = "";
      diagnosticWarnings = "";
      for(int i = debut-1; i < fin; i++) // check sections
	{
	  if (!pspa_->getBeamLine()) continue;
	  abstractElement* elPtr= pspa_->getBeamLine()->getAbstractElement(i);	  
	  if (!elPtr) continue; 

	  trivaluedBool tb = softToExec->doAcceptElement(elPtr->getNomdElement().getElementType());
	  if (tb  == TBoolOk ) {
	    elPtr->setSoftware(softToExec);
	  } else {
	    elPtr->setSoftware(NULL);
	    if (tb == TBoolIgnore) {
	      if(prog.getString() != "unknownSoftware") diagnosticWarnings += elPtr->getLabel() + " will be ignored by  "+ prog.getString() + "<br /> ";           
	    } else {
	      // j'insiste pour remettre le nom generique de l'element refuse (glm / 30/03/2013)
	      diagnosticErrors += elPtr->getNomdElement().getExpandedName() + " is not allowed with " + prog.getString() + "<br /> ";
	      caMarche = false;
	    }
	  }
	  pspa_->getBeamLine()->update(i);
	} //i
      
      // set errors and warnings
      sections_[a]->setErrors(diagnosticErrors);
      sections_[a]->setWarnings(diagnosticWarnings);
    }//a
    
  return caMarche;
}

void GWt_softwarePanel::deleteSectionToExecuteW(int sectionLabel)
{
#if BAVARD > 0
  cout << "***********************************" << endl;
  cout << " GWt_softwarePanel::deleteSectionToExecuteW()" << endl<<endl;
#endif

  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::executer()
{
  cout << "***********************************" << endl;
  cout << " GWt_softwarePanel::executer() " << endl<<endl;

  if (!areDataCoherent()) {
    return;
  }  
  
  //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'exécution !", 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 BAVARD > 0
  cout << "***********************************" << endl;
  cout << " GWt_softwarePanel::fillComboWithSoftwares " << endl<<endl;
#endif

  if (cBox == NULL) return;
  cBox->clear();

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