/***************************************************************************
                          addconstraintstudentssetmingapsbetweenorderedpairofactivitytagsform.cpp  -  description
                             -------------------
    begin                : 2019
    copyright            : (C) 2019 by Lalescu Liviu
    email                : Please see https://lalescu.ro/liviu/ for details about contacting Liviu Lalescu (in particular, you can find here the e-mail address)
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software: you can redistribute it and/or modify  *
 *   it under the terms of the GNU Affero General Public License as        *
 *   published by the Free Software Foundation, either version 3 of the    *
 *   License, or (at your option) any later version.                       *
 *                                                                         *
 ***************************************************************************/

#include <QMessageBox>

#include "longtextmessagebox.h"

#include "addconstraintstudentssetmingapsbetweenorderedpairofactivitytagsform.h"
#include "timeconstraint.h"

AddConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTagsForm::AddConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTagsForm(QWidget* parent): QDialog(parent)
{
	setupUi(this);

	addConstraintPushButton->setDefault(true);

	connect(addConstraintPushButton, SIGNAL(clicked()), this, SLOT(addCurrentConstraint()));
	connect(closePushButton, SIGNAL(clicked()), this, SLOT(close()));

	centerWidgetOnScreen(this);
	restoreFETDialogGeometry(this);
	
	QSize tmp2=studentsComboBox->minimumSizeHint();
	Q_UNUSED(tmp2);
	QSize tmp4=firstActivityTagComboBox->minimumSizeHint();
	Q_UNUSED(tmp4);
	QSize tmp5=secondActivityTagComboBox->minimumSizeHint();
	Q_UNUSED(tmp5);
	
	minGapsSpinBox->setMinimum(1);
	minGapsSpinBox->setMaximum(gt.rules.nHoursPerDay);
	minGapsSpinBox->setValue(1);

	updateStudentsSetComboBox();
	
	updateFirstActivityTagComboBox();
	updateSecondActivityTagComboBox();
}

AddConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTagsForm::~AddConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTagsForm()
{
	saveFETDialogGeometry(this);
}

void AddConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTagsForm::updateStudentsSetComboBox()
{
	populateStudentsComboBox(studentsComboBox);
	/*studentsComboBox->clear();
	for(int i=0; i<gt.rules.yearsList.size(); i++){
		StudentsYear* sty=gt.rules.yearsList[i];
		studentsComboBox->addItem(sty->name);
		for(int j=0; j<sty->groupsList.size(); j++){
			StudentsGroup* stg=sty->groupsList[j];
			studentsComboBox->addItem(stg->name);
			if(SHOW_SUBGROUPS_IN_COMBO_BOXES) for(int k=0; k<stg->subgroupsList.size(); k++){
				StudentsSubgroup* sts=stg->subgroupsList[k];
				studentsComboBox->addItem(sts->name);
			}
		}
	}*/

	constraintChanged();
}

void AddConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTagsForm::updateFirstActivityTagComboBox()
{
	for(ActivityTag* at : qAsConst(gt.rules.activityTagsList))
		firstActivityTagComboBox->addItem(at->name);

	constraintChanged();
}

void AddConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTagsForm::updateSecondActivityTagComboBox()
{
	for(ActivityTag* at : qAsConst(gt.rules.activityTagsList))
		secondActivityTagComboBox->addItem(at->name);

	constraintChanged();
}

void AddConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTagsForm::constraintChanged()
{
}

void AddConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTagsForm::addCurrentConstraint()
{
	TimeConstraint *ctr=NULL;

	double weight;
	QString tmp=weightLineEdit->text();
	weight_sscanf(tmp, "%lf", &weight);
	if(weight<0.0 || weight>100.0){
		QMessageBox::warning(this, tr("FET information"),
			tr("Invalid weight"));
		return;
	}
	if(weight!=100.0){
		QMessageBox::warning(this, tr("FET information"),
			tr("Invalid weight (percentage) - must be 100%"));
		return;
	}

	int minGaps=minGapsSpinBox->value();

	QString students_name=studentsComboBox->currentText();
	StudentsSet* s=gt.rules.searchStudentsSet(students_name);
	if(s==NULL){
		QMessageBox::warning(this, tr("FET warning"),
			tr("Invalid students set"));
		return;
	}
	
	QString firstActivityTagName=firstActivityTagComboBox->currentText();
	int facttagindex=gt.rules.searchActivityTag(firstActivityTagName);
	if(facttagindex<0){
		QMessageBox::warning(this, tr("FET warning"), tr("Invalid first activity tag"));
		return;
	}

	QString secondActivityTagName=secondActivityTagComboBox->currentText();
	int sacttagindex=gt.rules.searchActivityTag(secondActivityTagName);
	if(sacttagindex<0){
		QMessageBox::warning(this, tr("FET warning"), tr("Invalid second activity tag"));
		return;
	}
	
	if(firstActivityTagName==secondActivityTagName){
		QMessageBox::warning(this, tr("FET warning"), tr("The two activity tags cannot be the same"));
		return;
	}

	ctr=new ConstraintStudentsSetMinGapsBetweenOrderedPairOfActivityTags(weight, students_name, minGaps, firstActivityTagName, secondActivityTagName);

	bool tmp2=gt.rules.addTimeConstraint(ctr);
	if(tmp2)
		LongTextMessageBox::information(this, tr("FET information"),
			tr("Constraint added:")+"\n\n"+ctr->getDetailedDescription(gt.rules));
	else{
		QMessageBox::warning(this, tr("FET information"),
			tr("Constraint NOT added - please report error"));
		delete ctr;
	}
}
