#include <QHBoxLayout>
#include <QMessageBox>

#include "mainwindow.h"
#include "./ui_mainwindow.h"


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

    m_instructorsAndTraineesWidget = new InstructorsAndTraineesWidget(this);

    connect(m_instructorsAndTraineesWidget,&InstructorsAndTraineesWidget::signal_LanguageChanged,this,&MainWindow::slot_LanguageChanged);

    ui->horizontalLayout->addWidget(m_instructorsAndTraineesWidget);

    this->move(0, 0);
    this->showNormal();
    //this->showMaximized();

    if(m_instructorsAndTraineesWidget->getLanguage() == "ENG")
    {
        qtLanguageTranslator.load(QString("translations/GUIdataBaseLMS_") + "en_EN", ".");
        qApp->installTranslator(&qtLanguageTranslator);
    }
    else
    {
        qtLanguageTranslator.load(QString("translations/GUIdataBaseLMS_") + "ru_RU", ".");
        qApp->installTranslator(&qtLanguageTranslator);
    }
}

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

void MainWindow::changeEvent(QEvent *event)
{
    // В случае получения события изменения языка приложения
    if (event->type() == QEvent::LanguageChange)
    {// переведём окно заново
        ui->retranslateUi(this);
    }
}

void MainWindow::slot_LanguageChanged(QString language)
{
    qtLanguageTranslator.load(QString(QStringLiteral("translations/GUIdataBaseLMS_")) + language, QStringLiteral("."));
    qApp->installTranslator(&qtLanguageTranslator);
}