src/MoniSpindels.cpp

/**
 * MoniSpindels.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 "MoniSpindels.h"
#include "DetailiSpindel.h"
#include "CalibrateiSpindel.h"
#include "MainWindow.h"
#include "Utils.h"
#include "config.h"


/*
 * Build the table and buttons on the mainscreen.
 * Don't use a ui file, do it dynamicly.
 */
MoniSpindels::MoniSpindels(QWidget *parent) : QDialog(parent)
{
#ifdef DEBUG_MONITOR
    qDebug() << "MoniSpindels start";
#endif

    gridLayout = new QGridLayout(this);
    gridLayout->setObjectName(QString::fromUtf8("gridLayout"));
    tableiSpindels = new QTableWidget(this);
    tableiSpindels->setObjectName(QString::fromUtf8("tableiSpindels"));
    tableiSpindels->setEnabled(true);
    QSizePolicy sizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
    sizePolicy.setHorizontalStretch(0);
    sizePolicy.setVerticalStretch(0);
    sizePolicy.setHeightForWidth(tableiSpindels->sizePolicy().hasHeightForWidth());
    tableiSpindels->setSizePolicy(sizePolicy);
    tableiSpindels->setMinimumSize(QSize(1054, 0));
    gridLayout->addWidget(tableiSpindels, 0, 0, 1, 1);

    groupBox = new QGroupBox(this);
    groupBox->setObjectName(QString::fromUtf8("groupBox"));
    groupBox->setEnabled(true);
    groupBox->setFlat(false);
    horizontalLayout = new QHBoxLayout(groupBox);
    horizontalLayout->setSpacing(6);
    horizontalLayout->setObjectName(QString::fromUtf8("horizontalLayout"));
    horizontalLayout->setContentsMargins(0, 0, 0, 0);
    quitButton = new QPushButton(groupBox);
    quitButton->setObjectName(QString::fromUtf8("quitButton"));
    quitButton->setMinimumSize(QSize(80, 24));
    quitButton->setText(tr("Quit"));
    QIcon icon;
    icon.addFile(QString::fromUtf8(":icons/silk/door_out.png"), QSize(), QIcon::Normal, QIcon::Off);
    quitButton->setIcon(icon);
    horizontalLayout->addWidget(quitButton, 0, Qt::AlignCenter);
    gridLayout->addWidget(groupBox, 1, 0, 1, 1);

    connect(quitButton, SIGNAL(clicked()), parent, SLOT(fromMoniSpindels()));
    connect(this, SIGNAL(setStatus(QString)), parent, SLOT(statusMsg(QString)));
    connect(parent, SIGNAL(updateiSpindels(QString)), this, SLOT(refreshiSpindels(QString)));
    emit refreshTable();
}


void MoniSpindels::refreshTable()
{
    QTableWidgetItem *item;
    double	plato, poly[4];

    QSqlQuery query("SELECT record,alias,node,online,mode,temperature,gravity,angle,calibrate,beercode,beername FROM mon_ispindels ORDER BY alias");
    const QStringList labels({tr("Unit"), tr("Node"), tr("Status"), tr("Beer"), tr("Temperature"), tr("SG"), tr("Cal"), tr("Details")});

    this->tableiSpindels->setColumnCount(8);
    this->tableiSpindels->setColumnWidth(0, 150);	/* Alias	*/
    this->tableiSpindels->setColumnWidth(1, 120);	/* Node		*/
    this->tableiSpindels->setColumnWidth(2, 100);	/* Status	*/
    this->tableiSpindels->setColumnWidth(3, 330);	/* Beer		*/
    this->tableiSpindels->setColumnWidth(4,  90);	/* Temperature	*/
    this->tableiSpindels->setColumnWidth(5,  90);	/* Gravity	*/
    this->tableiSpindels->setColumnWidth(6,  60);	/* Calibrate	*/
    this->tableiSpindels->setColumnWidth(7,  90);	/* Edit button  */
    this->tableiSpindels->setRowCount(query.size());
    this->tableiSpindels->setHorizontalHeaderLabels(labels);
    this->tableiSpindels->verticalHeader()->hide();
    /* Set the widget size to 1054 x 575 in the ui. */

    query.first();
    for (int i = 0 ; i < query.size() ; i++ ) {
	this->tableiSpindels->setItem(i, 0, new QTableWidgetItem(query.value("alias").toString()));
	this->tableiSpindels->setItem(i, 1, new QTableWidgetItem(query.value("node").toString()));

	if (query.value("online").toInt()) {
            item = new QTableWidgetItem(QString("Ok"));
        } else {
            item = new QTableWidgetItem(QString("Offline"));
            item->setForeground(QBrush(QColor(Qt::red)));
        }
        item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
        this->tableiSpindels->setItem(i, 2, item);

	if (query.value("mode").toString() == "ON") {
	    item = new QTableWidgetItem(query.value("beercode").toString()+" - "+query.value("beername").toString());
	    this->tableiSpindels->setItem(i, 3, item);
	} else {
	    this->tableiSpindels->setItem(i, 3, new QTableWidgetItem(QString("")));
	}

	if (query.value("online").toInt()) {
	    /*
	     * Try to use the calibrate poly to recalcultate the SG.
	     */
	    plato = query.value("gravity").toDouble();
	    QJsonParseError parseError;
            const auto& json = query.value("calibrate").toString();
	    if (!json.trimmed().isEmpty()) {
            	const auto& formattedJson = QString("%1").arg(json);
            	QJsonDocument jsonResponse = QJsonDocument::fromJson(formattedJson.toUtf8(),  &parseError);
		QJsonObject jsonObj = jsonResponse.object();
                QJsonArray polyData = jsonObj.value("polyData").toArray();
		if (polyData.size() == 4) {
		    for (int i = 0; i < polyData.size(); i++) {
		    	poly[i] = polyData.at(i).toDouble();
		    }
		    double angle = query.value("angle").toDouble();
		    /* New plato from current polynomial */
		    plato = (poly[0] * pow(angle, 3)) + (poly[1] * pow(angle, 2)) + (poly[2] * angle) + poly[3];
		}
	    }

	    item = new QTableWidgetItem(QString("%1°C").arg(query.value("temperature").toDouble(), 4, 'f', 3, '0'));
	    item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
	    this->tableiSpindels->setItem(i, 4, item);
	    double sg = Utils::plato_to_sg(plato);
	    item = new QTableWidgetItem(QString("%1").arg(sg, 5, 'f', 4, '0'));
	    item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
	    this->tableiSpindels->setItem(i, 5, item);
	} else {
	    this->tableiSpindels->setItem(i, 4, new QTableWidgetItem(QString("")));
            this->tableiSpindels->setItem(i, 5, new QTableWidgetItem(QString("")));
	}

	/* Add the Calibrate button */
        QWidget* cWidget = new QWidget();
        QPushButton* btn_cal = new QPushButton();
        btn_cal->setObjectName(QString("%1").arg(query.value("record").toString()));   /* Send record with the button */
        btn_cal->setText(tr("Cal"));
        connect(btn_cal, SIGNAL(clicked()), this, SLOT(on_calButton_clicked()));
        QHBoxLayout* cLayout = new QHBoxLayout(cWidget);
        cLayout->addWidget(btn_cal);
        cLayout->setContentsMargins(5, 0, 5, 0);
        cWidget->setLayout(cLayout);
        this->tableiSpindels->setCellWidget(i, 6, cWidget);

	/* Add the Details button */
	QWidget* pWidget = new QWidget();
	QPushButton* btn_edit = new QPushButton();
	btn_edit->setObjectName(QString("%1").arg(query.value("record").toString()));	/* Send record with the button */
	btn_edit->setText(tr("Details"));
	connect(btn_edit, SIGNAL(clicked()), this, SLOT(on_editButton_clicked()));
	QHBoxLayout* pLayout = new QHBoxLayout(pWidget);
	pLayout->addWidget(btn_edit);
	pLayout->setContentsMargins(5, 0, 5, 0);
	pWidget->setLayout(pLayout);
	this->tableiSpindels->setCellWidget(i, 7, pWidget);
	query.next();
    }
    emit setStatus(QString(tr("Total items: %1")).arg(query.size()));
}


MoniSpindels::~MoniSpindels() {}


void MoniSpindels::refreshiSpindels(QString data)
{
    emit refreshTable();
    emit updateiSpindel(data);
}


void MoniSpindels::edit(int recno)
{
    DetailiSpindel dialog(recno, this);
    dialog.setModal(true);
    dialog.exec();
}


void MoniSpindels::on_editButton_clicked()
{
    QPushButton *pb = qobject_cast<QPushButton *>(QObject::sender());
    int recno = pb->objectName().toInt();
    edit(recno);
}


void MoniSpindels::cal(int recno)
{
    CalibrateiSpindel dialog(recno, this);
    dialog.setModal(true);
    dialog.exec();
}


void MoniSpindels::on_calButton_clicked()
{
    QPushButton *pb = qobject_cast<QPushButton *>(QObject::sender());
    int recno = pb->objectName().toInt();
    cal(recno);
}