#include "MainWindow.h"

MainWindow* mw;

MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) {
    ui->setupUi(this);

    lineCognome = this->findChild<QLineEdit*>("lineCognome");
    lineNome = this->findChild<QLineEdit*>("lineNome");
    tableSoci = this->findChild<QTableView*>("tableSoci");
}

void MainWindow::connectDatabase(void) {
    /* retrieve settings for this application, group database */
    QSettings settings("it.linux.golem", "gestionale");
    settings.beginGroup("database");

    /* open database and attach query */
    db = QSqlDatabase::addDatabase("QMYSQL");  /* QMYSQL <-- database driver */
    db.setHostName(settings.value("hostname").toString());
    db.setDatabaseName(settings.value("database").toString());
    db.setUserName(settings.value("username").toString());
    db.setPassword(settings.value("password").toString());
    query = QSqlQuery(db);

    status(Ui::INFO, QString("Connecting to %1...").arg(settings.value("hostname").toString()));

    if (! db.open())
        status(Ui::ERROR, db.lastError().text());
    else
        status(Ui::INFO, QString("Connected to %1").arg(settings.value("hostname").toString()));
}

MainWindow::~MainWindow() {
    delete ui;
}

void MainWindow::on_buttonCerca_clicked() {
    if (!db.open()) connectDatabase();

    query.prepare("SELECT id, nome, cognome FROM socio WHERE LOWER(nome) LIKE LOWER(:nome) AND LOWER(cognome) LIKE LOWER(:cognome)");
    query.bindValue( ":nome", QString("%%1%").arg(lineNome->text()) );
    query.bindValue( ":cognome", QString("%%1%").arg(lineCognome->text()) );

    if ( ! query.exec() ) { qDebug() << query.lastQuery(); return; }
    if ( query.size() == 0) { status(Ui::INFO, "no results found"); return; }

    if (sociModel != nullptr) delete sociModel; // TODO -- does this look a cunning thing?
    sociModel = new SociModel(nullptr, query);

    status(Ui::INFO, QString("%1 results found").arg(query.size()));

    tableSoci->setModel(sociModel);
    /* the signal is automagically added by some obscure qt build system, provided the function is named in a standard way */
    //QObject::connect(tableSoci, SIGNAL(clicked(const QModelIndex&)), this, SLOT(on_tableSoci_clicked(const QModelIndex&)));
    tableSoci->show();
}

void MainWindow::on_buttonNuovo_clicked() { /* TODO -- please implement me thanks */;}

void MainWindow::on_tableSoci_clicked(const QModelIndex& index) {
    if (index.isValid()) {
        /* extracts id socio from first column of table view */
        int id = index.model()->data(index.siblingAtColumn(0)).toInt();
        if (id != 0) {    /* if click is not on other fields than id... */
            EditWindow* w = new EditWindow(id, this);
            w->show();
            // TODO -- free() this window at the end... maybe you can use a self Signal/Slot?
        }

    }
}