#include "main_window.h"
#include <QtWidgets/QApplication>
#include <QtCore/QTranslator>
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QStringList>

#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
#   include <QtCore/QTextCodec>
#endif

#include "config.h"
#include "logger.h"

//==============================================================================
void configureApplication()
{
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
    QTextCodec::setCodecForLocale(QTextCodec::codecForName("UTF-8"));
#endif

#if defined (PROG_NAME)
    QApplication::setApplicationName( QString(PROG_NAME) );
#endif

#if defined (SOFT_DEVELOPER)
     QApplication::setOrganizationName( QString(SOFT_DEVELOPER) );
#endif

#if defined (DEVELOPER_DOMAIN)
     QApplication::setOrganizationDomain( QString(DEVELOPER_DOMAIN) );
#endif

#if defined (PROG_VERSION)
     QApplication::setApplicationVersion( QString(PROG_VERSION) );
#endif

#if defined (BUILD_DATE)
     qApp->setProperty( "buildDate", QString(BUILD_DATE) );
#endif
}
//==============================================================================
QString applicationRootPath()
{
    QString path { QApplication::applicationDirPath() };

    if ( path.right(1) != "/" ) {

        path += "/";
    }

    if (path.right(5) == "/bin/") {

        path.remove( path.length() - 4, 4 );
    }

    return path;
}
//==============================================================================
void installTranslations(const QString &lng = "ru")
{
    const QString dirName { applicationRootPath() + "translations/" };
    QDir translationsDir { dirName };

    QStringList filesList = translationsDir.entryList(
        QStringList() << QString("*_%1.qm").arg(lng),
        QDir::Files
        );

    for (const QString &fileName: std::as_const(filesList)) {

        QTranslator *translator = new QTranslator(QCoreApplication::instance());

        if (translator->load( dirName + fileName )) {

            QCoreApplication::instance()->installTranslator( translator );
        }
        else {

            delete translator;
        }
    }
}
//==============================================================================
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    // Предварительная настройка приложения:
    configureApplication();
    // Установка файлов переводов:
    installTranslations();

    MainWindow w;
    // Запускаем логгер:
    Logger::instance().start();

    qInfo() << "Запуск приложения:" << QApplication::applicationName();
    qInfo() << "Разработчик:" << QApplication::organizationName();
    qInfo() << "Организация:" << QApplication::organizationDomain();
    qInfo() << "Версия:" << QApplication::applicationVersion();
    qInfo() << "Дата сборки:" << QString(
        a.property("buildDate").isNull()
            ? "unknown"
            : a.property("buildDate").toString()
        );
    qDebug() << "Запуск главного окна приложения";

    w.show();
    a.setQuitOnLastWindowClosed(true);

    qDebug() << "Запуск основного цикла обработки сообщений";
    return a.exec();
}
//==============================================================================