/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#include <svl/cjkoptions.hxx>

#include <svl/languageoptions.hxx>

#include <i18nlangtag/lang.h>

#include <i18nlangtag/languagetag.hxx>

#include <officecfg/System.hxx>

#include <officecfg/Office/Common.hxx>

#include <mutex>

static void SvtCJKOptions_Load();

namespace SvtCJKOptions

{

bool IsCJKFontEnabled()

{

    SvtCJKOptions_Load();

    // tdf#168719: The CJK font can no longer be disabled

    return true;

}

bool IsVerticalTextEnabled()

{

    SvtCJKOptions_Load();

    // tdf#168719: The CJK font can no longer be disabled

    return true;

}

bool IsAsianTypographyEnabled()

{

    SvtCJKOptions_Load();

    // tdf#168719: The CJK font can no longer be disabled

    return true;

}

bool IsJapaneseFindEnabled()

{

    SvtCJKOptions_Load();

    // tdf#168719: The CJK font can no longer be disabled

    return true;

}

bool IsRubyEnabled()

{

    SvtCJKOptions_Load();

    // tdf#168719: The CJK font can no longer be disabled

    return true;

}

bool IsChangeCaseMapEnabled()

{

    SvtCJKOptions_Load();

    // tdf#168719: The CJK font can no longer be disabled

    return true;

}

bool IsDoubleLinesEnabled()

{

    SvtCJKOptions_Load();

    // tdf#168719: The CJK font can no longer be disabled

    return true;

}

bool    IsAnyEnabled()

{

    SvtCJKOptions_Load();

    return  IsCJKFontEnabled() || IsVerticalTextEnabled() || IsAsianTypographyEnabled() || IsJapaneseFindEnabled() ||

                IsRubyEnabled() || IsChangeCaseMapEnabled() || IsDoubleLinesEnabled() ;

}

} // namespace SvtCJKOptions

static std::once_flag gLoadFlag;

static void SvtCJKOptions_Load()

{

    std::call_once(gLoadFlag,

        []()

        {

            if (officecfg::Office::Common::I18N::CJK::CJKFont::get())

                return;

            SvtScriptType nScriptType = SvtLanguageOptions::GetScriptTypeOfLanguage(LANGUAGE_SYSTEM);

            //system locale is CJK

            bool bAutoEnableCJK = bool(nScriptType & SvtScriptType::ASIAN);

            if (!bAutoEnableCJK)

            {

                //windows secondary system locale is CJK

                OUString sWin16SystemLocale = officecfg::System::L10N::SystemLocale::get();

                LanguageType eSystemLanguage = LANGUAGE_NONE;

                if( !sWin16SystemLocale.isEmpty() )

                    eSystemLanguage = LanguageTag::convertToLanguageTypeWithFallback( sWin16SystemLocale );

                if (eSystemLanguage != LANGUAGE_SYSTEM)

                {

                    SvtScriptType nWinScript = SvtLanguageOptions::GetScriptTypeOfLanguage( eSystemLanguage );

                    bAutoEnableCJK = bool(nWinScript & SvtScriptType::ASIAN);

                }

                //CJK keyboard is installed

                if (!bAutoEnableCJK)

                    bAutoEnableCJK = SvtSystemLanguageOptions::isCJKKeyboardLayoutInstalled();

            }

            if (bAutoEnableCJK)

            {

                std::shared_ptr<comphelper::ConfigurationChanges> xChanges(comphelper::ConfigurationChanges::create());

                officecfg::Office::Common::I18N::CJK::CJKFont::set(true, xChanges);

                officecfg::Office::Common::I18N::CJK::VerticalText::set(true, xChanges);

                officecfg::Office::Common::I18N::CJK::AsianTypography::set(true, xChanges);

                officecfg::Office::Common::I18N::CJK::JapaneseFind::set(true, xChanges);

                officecfg::Office::Common::I18N::CJK::Ruby::set(true, xChanges);

                officecfg::Office::Common::I18N::CJK::ChangeCaseMap::set(true, xChanges);

                officecfg::Office::Common::I18N::CJK::DoubleLines::set(true, xChanges);

                xChanges->commit();

            }

        });

}

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