/* === This file is part of Calamares - <https://calamares.io> ===
 *
 *   SPDX-FileCopyrightText: 2014-2015 Teo Mrnjavac <teo@kde.org>
 *   SPDX-FileCopyrightText: 2017-2019 Adriaan de Groot <groot@kde.org>
 *   SPDX-License-Identifier: GPL-3.0-or-later
 *
 *   Calamares is Free Software: see the License-Identifier above.
 *
 *
 */

#include "Label.h"

namespace CalamaresUtils
{
namespace Locale
{

Label::Label( QObject* parent )
    : Label( QString(), LabelFormat::IfNeededWithCountry, parent )
{
}

Label::Label( const QString& locale, LabelFormat format, QObject* parent )
    : QObject( parent )
    , m_locale( Label::getLocale( locale ) )
    , m_localeId( locale.isEmpty() ? m_locale.name() : locale )
{
    QString longFormat = QObject::tr( "%1 (%2)" );

    QString languageName = m_locale.nativeLanguageName();
    QString englishName = m_locale.languageToString( m_locale.language() );
    QString countryName;

    if ( languageName.isEmpty() )
    {
        languageName = QString( "* %1 (%2)" ).arg( locale, englishName );
    }

    bool needsCountryName = ( format == LabelFormat::AlwaysWithCountry )
        || ( locale.contains( '_' ) && QLocale::countriesForLanguage( m_locale.language() ).count() > 1 );

    if ( needsCountryName )
    {
        countryName = m_locale.nativeCountryName();
    }
    m_label = needsCountryName ? longFormat.arg( languageName, countryName ) : languageName;
    m_englishLabel = needsCountryName ? longFormat.arg( englishName, QLocale::countryToString( m_locale.country() ) )
                                      : englishName;
}

QLocale
Label::getLocale( const QString& localeName )
{
    if ( localeName.isEmpty() )
    {
        return QLocale();
    }

    // Special cases
    if ( localeName == QStringLiteral( "sr@latin" ) )
    {
        QLocale loc( localeName );  // Ignores @latin
        return QLocale( loc.language(), QLocale::Script::LatinScript, loc.country() );
    }

    return QLocale( localeName );
}

}  // namespace Locale
}  // namespace CalamaresUtils