#include "auth.h"

#include <QMessageBox>
#include <QSettings>
#include <QSqlError>

auth::auth(QWidget *parent)
    : QWidget{parent}
    , _nicknameLabel(new QLabel("nickname:"))
    , _nicknameEdit(new QLineEdit())
    , _passwordLabel(new QLabel("passwprd:"))
    , _passwordEdit(new QLineEdit())
    , _addressLabel(new QLabel("address:"))
    , _addressEdit(new QLineEdit())
    , _portLabel(new QLabel("port:"))
    , _portEdit(new QLineEdit())
    , _okButton(new QPushButton("&OK"))
    , _quitButton(new QPushButton("&QUIT"))
    , _vbox(new QVBoxLayout(this))
    , _db(QSqlDatabase::addDatabase("QPSQL"))
{
  _nicknameLabel->setAlignment (Qt::AlignHCenter);
  _passwordLabel->setAlignment (Qt::AlignHCenter);
  _addressLabel->setAlignment (Qt::AlignHCenter);
  _portLabel->setAlignment (Qt::AlignHCenter);
  _passwordEdit->setEchoMode (QLineEdit::Password);

  QSettings settings ("mysitenews", "mysitenews");
  _nicknameEdit->setText (settings.value ("db/user").toString ());
  _passwordEdit->setText (settings.value ("db/password").toString ());
  _addressEdit->setText (settings.value ("db/host").toString ());
  _portEdit->setText (settings.value ("db/port", "5432").toString ());
  _vbox->addWidget (_nicknameLabel);
  _vbox->addWidget (_nicknameEdit);
  _vbox->addWidget (_passwordLabel);
  _vbox->addWidget (_passwordEdit);
  _vbox->addWidget (_addressLabel);
  _vbox->addWidget (_addressEdit);
  _vbox->addWidget (_portLabel);
  _vbox->addWidget (_portEdit);
  _vbox->addWidget (_okButton);
  _vbox->addWidget (_quitButton);
  connect (_okButton, &QPushButton::clicked, this, &auth::onAuth);
  connect (_quitButton, &QPushButton::clicked, this, &auth::close);
  setLayout (_vbox);
}

void
auth::onAuth ()
{
    QSettings settings ("mysitenews", "mysitenews");
    _db.setHostName(_addressEdit->text());
    _db.setPort(_portEdit->text().toInt());
    _db.setDatabaseName(settings.value ("db/database", "cards").toString ());
    _db.setUserName(_nicknameEdit->text());
    _db.setPassword(_passwordEdit->text());
    if (!_db.open()) {
        QMessageBox::critical(this, tr("Ошибка подключения"),
                              _db.lastError().text());
        return;
    }

    settings.setValue ("db/host", _db.hostName ());
    settings.setValue ("db/port", _db.port ());
    settings.setValue ("db/database", _db.databaseName ());
    settings.setValue ("db/user", _db.userName ());
    settings.setValue ("db/password", _db.password ());

    emit dbOpenned(_db);
    close();
}