src/EditWater.cpp

/**
 * EditWater.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 "EditWater.h"
#include "../ui/ui_EditWater.h"
#include "bmsapp.h"


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

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

    WindowTitle();

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

	ui->nameEdit->setText(query.value(1).toString());
	ui->unlimitedEdit->setChecked(query.value(2).toInt() ? true:false);
        ui->caEdit->setValue(query.value(3).toDouble());
	ui->hcoEdit->setValue(query.value(4).toDouble());
	ui->so4Edit->setValue(query.value(5).toDouble());
	ui->clEdit->setValue(query.value(6).toDouble());
	ui->naEdit->setValue(query.value(7).toDouble());
	ui->mgEdit->setValue(query.value(8).toDouble());
	ui->phEdit->setValue(query.value(9).toDouble());
	ui->notesEdit->setPlainText(query.value(10).toString());
	ui->alkalinityEdit->setValue(query.value(11).toDouble());
	ui->inventoryEdit->setValue(query.value(12).toDouble());
	ui->costEdit->setValue(query.value(13).toDouble());
    } else {
	/* Set some defaults */
	ui->phEdit->setValue(7.0);
    }
    WaterSet();
    connect(ui->nameEdit, &QLineEdit::textChanged, this, &EditWater::is_changed);
    connect(ui->unlimitedEdit, &QCheckBox::stateChanged, this, &EditWater::is_changed);
    connect(ui->caEdit, &QDoubleSpinBox::textChanged, this, &EditWater::water_changed);
    connect(ui->hcoEdit, &QDoubleSpinBox::textChanged, this, &EditWater::hco_changed);
    connect(ui->so4Edit, &QDoubleSpinBox::textChanged, this, &EditWater::water_changed);
    connect(ui->clEdit, &QDoubleSpinBox::textChanged, this, &EditWater::water_changed);
    connect(ui->naEdit, &QDoubleSpinBox::textChanged, this, &EditWater::water_changed);
    connect(ui->mgEdit, &QDoubleSpinBox::textChanged, this, &EditWater::water_changed);
    connect(ui->phEdit, &QDoubleSpinBox::textChanged, this, &EditWater::water_changed);
    connect(ui->alkalinityEdit, &QDoubleSpinBox::textChanged, this, &EditWater::alkalinity_changed);
    connect(ui->notesEdit, SIGNAL(textChanged()), this, SLOT(is_changed()));
    connect(ui->inventoryEdit, &QDoubleSpinBox::textChanged, this, &EditWater::is_changed);
    connect(ui->costEdit, &QDoubleSpinBox::textChanged, this, &EditWater::is_changed);

    ui->saveButton->setEnabled(false);
    ui->deleteButton->setEnabled((ui->inventoryEdit->value() == 0 && id >= 0) ? true:false);
}


EditWater::~EditWater()
{
    qDebug() << "EditWater done";
    delete ui;
    emit entry_changed();
}


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

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

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


void EditWater::on_saveButton_clicked()
{
    QSqlQuery query;

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

    if (this->textIsChanged) {
    	if (this->recno == -1) {
    	    query.prepare("INSERT INTO inventory_waters SET name=:name, unlimited_stock=:unlimited, calcium=:ca, "
		"bicarbonate=:hco, sulfate=:so4, chloride=:cl, sodium=:na, magnesium=:mg, ph=:ph, notes=:notes, "
		"total_alkalinity=:alkalinity, inventory=:inventory, cost=:cost, uuid = :uuid");
    	} else {
	    query.prepare("UPDATE inventory_waters SET name=:name, unlimited_stock=:unlimited, calcium=:ca, "
		"bicarbonate=:hco, sulfate=:so4, chloride=:cl, sodium=:na, magnesium=:mg, ph=:ph, notes=:notes, "
                "total_alkalinity=:alkalinity, inventory=:inventory, cost=:cost WHERE record = :recno");
    	}
	query.bindValue(":name", ui->nameEdit->text());
	query.bindValue(":unlimited", ui->unlimitedEdit->isChecked() ? 1:0);
	query.bindValue(":ca", QString("%1").arg(ui->caEdit->value(), 2, 'f', 1, '0'));
	query.bindValue(":hco", QString("%1").arg(ui->hcoEdit->value(), 2, 'f', 1, '0'));
	query.bindValue(":so4", QString("%1").arg(ui->so4Edit->value(), 2, 'f', 1, '0'));
	query.bindValue(":cl", QString("%1").arg(ui->clEdit->value(), 2, 'f', 1, '0'));
	query.bindValue(":na", QString("%1").arg(ui->naEdit->value(), 2, 'f', 1, '0'));
	query.bindValue(":mg", QString("%1").arg(ui->mgEdit->value(), 2, 'f', 1, '0'));
	query.bindValue(":ph", QString("%1").arg(ui->phEdit->value(), 3, 'f', 2, '0'));
	query.bindValue(":notes", ui->notesEdit->toPlainText());
	query.bindValue(":alkalinity", QString("%1").arg(ui->alkalinityEdit->value(), 2, 'f', 1, '0'));
	query.bindValue(":inventory", QString("%1").arg(ui->inventoryEdit->value(), 2, 'f', 1, '0'));
	query.bindValue(":cost", QString("%1").arg(ui->costEdit->value(), 6, 'f', 5, '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()) {
	    qDebug() << "EditWater" << 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() << "EditWater Saved";
	}
    }

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


void EditWater::on_deleteButton_clicked()
{
    QSqlQuery query;

    query.prepare("DELETE FROM inventory_waters WHERE record = :recno");
    query.bindValue(":recno", this->recno);
    query.exec();
    if (query.lastError().isValid()) {
	qDebug() << "EditWater" << 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() << "EditWater Deleted" << this->recno;
    }

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


void EditWater::WaterSet()
{
    double cations, anions, balance;

    cations = (ui->caEdit->value() / 20.039) + (ui->mgEdit->value() / 12.1525) + (ui->naEdit->value() / 22.989);
    anions = (ui->hcoEdit->value() / 61.016) + (ui->so4Edit->value() / 48.031) + (ui->clEdit->value() / 35.4527);
    balance = round((cations - anions) * 100) / 100;
    ui->balanceEdit->setValue(balance);

    if (balance <= 0.1 && balance >= -0.1) {
	ui->balanceIcon->setPixmap(QPixmap(":icons/silk/tick.png"));
    } else if (balance <= 0.5 && balance >= -0.5) {
	ui->balanceIcon->setPixmap(QPixmap(":icons/silk/thumb_down.png"));
    } else {
	ui->balanceIcon->setPixmap(QPixmap(":icons/silk/error.png"));
    }
}


void EditWater::is_changed()
{
    ui->saveButton->setEnabled(true);
    ui->deleteButton->setEnabled((ui->inventoryEdit->value() == 0 && this->recno >= 0) ? true:false);
    this->textIsChanged = true;
    WindowTitle();
}


void EditWater::water_changed()
{
    WaterSet();
    is_changed();
}


void EditWater::hco_changed()
{
    ui->alkalinityEdit->setValue(ui->hcoEdit->value() * 50 / 61);
    water_changed();
}


void EditWater::alkalinity_changed()
{
    ui->hcoEdit->setValue(ui->alkalinityEdit->value() * 1.22);
    water_changed();
}


void EditWater::on_quitButton_clicked()
{
    if (this->textIsChanged) {
	int rc = QMessageBox::warning(this, tr("Water changed"), tr("The brewing water 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);
}