src/EditYeastPack.cpp

/**
 * EditYeastPack.cpp is part of bmsapp.
 *
 * bmsapp is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * bmsapp 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "EditYeastPack.h"
#include "../ui/ui_EditYeastPack.h"
#include "MainWindow.h"
#include "global.h"


EditYeastPack::EditYeastPack(int id, QWidget *parent) : QDialog(parent), ui(new Ui::EditYeastPack)
{
    QSqlQuery query;

    qDebug() << "EditYeastPack record:" << id;
    ui->setupUi(this);
    this->recno = id;

    WindowTitle();

    ui->formEdit->addItem(tr("Liquid"));
    ui->formEdit->addItem(tr("Dry"));
    ui->formEdit->addItem(tr("Slant"));
    ui->formEdit->addItem(tr("Culture"));
    ui->formEdit->addItem(tr("Frozen"));
    ui->formEdit->addItem(tr("Bottle"));
    ui->formEdit->addItem(tr("Dried"));

    if (id >= 0) {
	query.prepare("SELECT * FROM inventory_yeastpack WHERE record = :recno");
	query.bindValue(":recno", id);
	query.exec();
	query.next();

	ui->laboratoryEdit->setText(query.value("laboratory").toString());
	ui->packageEdit->setText(query.value("package").toString());
	ui->formEdit->setCurrentIndex(query.value("form").toInt());
	ui->notesEdit->setPlainText(query.value("notes").toString());
	ui->cellsEdit->setValue(query.value("cells").toDouble() / 1000000000);
	ui->viabilityEdit->setValue(query.value("viability").toDouble());
	ui->maxEdit->setValue(query.value("max").toInt());
	ui->sizeEdit->setValue(query.value("size").toDouble() * 1000);
	ui->usedEdit->setValue(query.value("used").toInt());

    } else {
	/* Set some defaults */
	ui->formEdit->setCurrentIndex(YEAST_FORMS_DRY);
	ui->viabilityEdit->setValue(0.99);
	ui->maxEdit->setValue(100);
	ui->usedEdit->setValue(0);
    }

    PackSet();
    Viability();
    connect(ui->laboratoryEdit, &QLineEdit::textChanged, this, &EditYeastPack::is_changed);
    connect(ui->formEdit, &QComboBox::currentTextChanged, this, &EditYeastPack::form_changed);
    connect(ui->packageEdit, &QLineEdit::textChanged, this, &EditYeastPack::is_changed);
    connect(ui->notesEdit, SIGNAL(textChanged()), this, SLOT(is_changed()));
    connect(ui->cellsEdit, &QDoubleSpinBox::textChanged, this, &EditYeastPack::is_changed);
    connect(ui->viabilityEdit, &QDoubleSpinBox::textChanged, this, &EditYeastPack::viability_changed);
    connect(ui->maxEdit, &QSpinBox::textChanged, this, &EditYeastPack::viability_changed);
    connect(ui->sizeEdit, &QDoubleSpinBox::textChanged, this, &EditYeastPack::is_changed);

    ui->saveButton->setEnabled(false);
}


EditYeastPack::~EditYeastPack()
{
    delete ui;
    emit entry_changed();
}


/*
 * Window header, mark any change with '**'
 */
void EditYeastPack::WindowTitle()
{
    QString txt;

    if (this->recno < 0) {
	txt = QString(tr("BMSapp - Add new yeast package"));
    } else {
	txt = QString(tr("BMSapp - Edit yeast package %1").arg(this->recno));
    }

    if (this->textIsChanged) {
	txt.append((QString(" **")));
    }
    setWindowTitle(txt);
}


void EditYeastPack::on_saveButton_clicked()
{
    QSqlQuery query;

    /* If there are errors in the form, show a message and do "return;" */
    if (ui->laboratoryEdit->text().length() < 2) {
	QMessageBox::warning(this, tr("Edit Yeast Package"), tr("Laboratory name empty or too short."));
	return;
    }
    if (ui->packageEdit->text().length() < 2) {
        QMessageBox::warning(this, tr("Edit Yeast Package"), tr("Package name empty or too short."));
        return;
    }

    if (this->textIsChanged) {
    	if (this->recno == -1) {
    	    query.prepare("INSERT INTO inventory_yeastpack SET laboratory=:laboratory, form=:form, "
		"package=:package, notes=:notes, cells=:cells, viability=:viability, max=:max, "
		"size=:size, used='0', valid='1', uuid = :uuid");
    	} else {
	    query.prepare("UPDATE inventory_yeastpack SET laboratory=:laboratory, form=:form, "
		"package=:package, notes=:notes, cells=:cells, viability=:viability, max=:max, "
                "size=:size, valid='1' WHERE record = :recno");
    	}
	query.bindValue(":laboratory", ui->laboratoryEdit->text());
	query.bindValue(":form", ui->formEdit->currentIndex());
	query.bindValue(":package", ui->packageEdit->text());
	query.bindValue(":notes", ui->notesEdit->toPlainText());
	query.bindValue(":cells", QString("%1").arg(ui->cellsEdit->value() * 1000000000, 1, 'f', 0, '0'));
	query.bindValue(":viability", QString("%1").arg(ui->viabilityEdit->value(), 5, 'f', 4, '0'));
	query.bindValue(":max", ui->maxEdit->value());
	query.bindValue(":size", QString("%1").arg(ui->sizeEdit->value() / 1000, 5, 'f', 4, '0'));
	if (this->recno == -1) {
	    query.bindValue(":uuid", QUuid::createUuid().toString().mid(1, 36));
	} else {
	    query.bindValue(":recno", this->recno);
	}
	query.exec();
	if (query.lastError().isValid()) {
	    qWarning() << "EditYeastPack" << query.lastError();
	    QMessageBox::warning(this, tr("Database error"),
                        tr("MySQL error: %1\n%2\n%3")
                        .arg(query.lastError().nativeErrorCode())
                        .arg(query.lastError().driverText())
                        .arg(query.lastError().databaseText()));
	} else {
	    qDebug() << "EditYeastPack Saved";
	}
    }

    ui->saveButton->setEnabled(false);
    this->textIsChanged = false;
    WindowTitle();
}


void EditYeastPack::on_cloneButton_clicked()
{
    QSqlQuery query;
    query.prepare("INSERT INTO inventory_yeastpack SET laboratory=:laboratory, form=:form, "
                "package=:package, notes=:notes, cells=:cells, viability=:viability, max=:max, "
                "size=:size, used=:used, valid='0', uuid=:uuid");
    query.bindValue(":laboratory", ui->laboratoryEdit->text());
    query.bindValue(":form", ui->formEdit->currentIndex());
    query.bindValue(":package", ui->packageEdit->text() + " [copy]");
    query.bindValue(":notes", ui->notesEdit->toPlainText());
    query.bindValue(":cells", QString("%1").arg(ui->cellsEdit->value() * 1000000000, 1, 'f', 0, '0'));
    query.bindValue(":viability", QString("%1").arg(ui->viabilityEdit->value(), 5, 'f', 4, '0'));
    query.bindValue(":max", ui->maxEdit->value());
    query.bindValue(":size", QString("%1").arg(ui->sizeEdit->value() / 1000, 5, 'f', 4, '0'));
    query.bindValue(":used", ui->usedEdit->value());
    query.bindValue(":uuid", QUuid::createUuid().toString().mid(1, 36));
    query.exec();
    if (query.lastError().isValid()) {
	qWarning() << "EditYeastPack" << query.lastError();
	QMessageBox::warning(this, tr("Database error"),
                        tr("MySQL error: %1\n%2\n%3")
                        .arg(query.lastError().nativeErrorCode())
                        .arg(query.lastError().driverText())
                        .arg(query.lastError().databaseText()));
    } else {
	qDebug() << "EditYeastPack Clone saved";
    }
}


void EditYeastPack::on_deleteButton_clicked()
{
    QSqlQuery query;

    int rc = QMessageBox::warning(this, tr("Delete yeast pack"), tr("Delete %1").arg(ui->packageEdit->text()),
                    QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
    if (rc == QMessageBox::No)
        return;

    query.prepare("DELETE FROM inventory_yeastpack WHERE record = :recno");
    query.bindValue(":recno", this->recno);
    query.exec();
    if (query.lastError().isValid()) {
	qWarning() << "EditYeastPack" << query.lastError();
	QMessageBox::warning(this, tr("Database error"),
                        tr("MySQL error: %1\n%2\n%3")
                        .arg(query.lastError().nativeErrorCode())
                        .arg(query.lastError().driverText())
                        .arg(query.lastError().databaseText()));
    } else {
	qDebug() << "EditYeastPack Deleted" << this->recno;
    }

    this->close();
    this->setResult(1);
}


void EditYeastPack::Viability()
{
    double vpm = ui->viabilityEdit->value();
    double max = ui->maxEdit->value();
    double degrade = 1 - ((1 - vpm) / 30.41);	/* viability degradation per day. */
    double base = max;

    for (int i = 0; i < 182; i++) {
	base = base * degrade;
    }
    if (base > max)
	base = max;

    ui->resultEdit->setValue(base);
    qDebug() << "Viability()" << vpm << max << degrade << base;
}


void EditYeastPack::PackSet()
{
    if (ui->formEdit->currentIndex() == YEAST_FORMS_DRY || ui->formEdit->currentIndex() == YEAST_FORMS_DRIED) {
	ui->sizeEdit->setSuffix(tr(" gr"));
    } else {
	ui->sizeEdit->setSuffix(tr(" ml"));
    }

    /*
     * TODO: The delete button may be enabled for records with used > 0 if
     *       there are more records with the same laboratory and form.
     *       There should always be at least one record, the rest is allowed to
     *       be deleted. So, we need to count.
     */

    if (ui->usedEdit->value() > 0) {
	ui->laboratoryEdit->setReadOnly(true);
	ui->formEdit->setDisabled(true);
	ui->deleteButton->setEnabled(false);
	qDebug() << "PackSet blocked";
    } else {
	ui->laboratoryEdit->setReadOnly(false);
	ui->formEdit->setDisabled(false);
	ui->deleteButton->setEnabled(true);
    }
}


void EditYeastPack::is_changed()
{
    ui->saveButton->setEnabled(true);
    this->textIsChanged = true;
    WindowTitle();
}


void EditYeastPack::form_changed()
{
    PackSet();
    is_changed();
}


void EditYeastPack::viability_changed()
{
    Viability();
    is_changed();
}


void EditYeastPack::on_quitButton_clicked()
{
    if (this->textIsChanged) {
	int rc = QMessageBox::warning(this, tr("Yeast package changed"), tr("The yeast package has been modified. Save changes?"),
                                QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Save);
        switch (rc) {
            case QMessageBox::Save:
                        on_saveButton_clicked();
                        break;  /* Saved and then Quit */
            case QMessageBox::Discard:
                        break;  /* Quit without Save */
            case QMessageBox::Cancel:
                        return; /* Return to the editor page */
        }
    }

    this->close();
    this->setResult(1);
}