/* -*- 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 <sal/config.h>

#include <string_view>

#include <helper.hxx>

#include <com/sun/star/sdbc/XResultSet.hpp>

#include <com/sun/star/sdbc/XRow.hpp>

#include <com/sun/star/task/InteractionHandler.hpp>

#include <com/sun/star/ucb/CommandAbortedException.hpp>

#include <com/sun/star/ucb/XContentAccess.hpp>

#include <com/sun/star/ucb/XDynamicResultSet.hpp>

#include <com/sun/star/io/XInputStream.hpp>

#include <sal/log.hxx>

#include <comphelper/diagnose_ex.hxx>

#include <tools/debug.hxx>

#include <tools/urlobj.hxx>

#include <ucbhelper/content.hxx>

#include <ucbhelper/commandenvironment.hxx>

#include <comphelper/processfactory.hxx>

using namespace com::sun::star;

using namespace comphelper;

using ::std::vector;

std::vector<OUString> SfxContentHelper::GetResultSet( const OUString& rURL )

{

    vector<OUString> aList;

    try

    {

        ::ucbhelper::Content aCnt( rURL, uno::Reference< ucb::XCommandEnvironment >(), comphelper::getProcessComponentContext() );

        uno::Reference< sdbc::XResultSet > xResultSet;

        uno::Reference< ucb::XDynamicResultSet > xDynResultSet;

        try

        {

            xDynResultSet = aCnt.createDynamicCursor( { u"Title"_ustr, u"ContentType"_ustr, u"IsFolder"_ustr } );

            if ( xDynResultSet.is() )

                xResultSet = xDynResultSet->getStaticResultSet();

        }

        catch( const uno::Exception& )

        {

            TOOLS_WARN_EXCEPTION( "sfx.bastyp", "GetResultSet" );

        }

        if ( xResultSet.is() )

        {

            uno::Reference< sdbc::XRow > xRow( xResultSet, uno::UNO_QUERY );

            uno::Reference< ucb::XContentAccess > xContentAccess( xResultSet, uno::UNO_QUERY );

            try

            {

                while ( xResultSet->next() )

                {

                    OUString aTitle( xRow->getString(1) );

                    OUString aType( xRow->getString(2) );

                    OUString aRow = aTitle +

                        "\t" +

                        aType +

                        "\t" +

                        xContentAccess->queryContentIdentifierString();

                    aList.push_back( aRow );

                }

            }

            catch( const uno::Exception& )

            {

                TOOLS_WARN_EXCEPTION( "sfx.bastyp", "XContentAccess::next()" );

            }

        }

    }

    catch( const uno::Exception& )

    {

        TOOLS_WARN_EXCEPTION( "sfx.bastyp", "GetResultSet");

    }

    return aList;

}

std::vector< OUString > SfxContentHelper::GetHelpTreeViewContents( const OUString& rURL )

{

    vector< OUString > aProperties;

    try

    {

        const uno::Reference< uno::XComponentContext >& xContext = ::comphelper::getProcessComponentContext();

        uno::Reference< task::XInteractionHandler > xInteractionHandler(

            task::InteractionHandler::createWithParent(xContext, nullptr), uno::UNO_QUERY_THROW );

        ::ucbhelper::Content aCnt( rURL, new ::ucbhelper::CommandEnvironment( xInteractionHandler, uno::Reference< ucb::XProgressHandler >() ), comphelper::getProcessComponentContext() );

        uno::Reference< sdbc::XResultSet > xResultSet;

        try

        {

            uno::Reference< ucb::XDynamicResultSet > xDynResultSet = aCnt.createDynamicCursor( { u"Title"_ustr, u"IsFolder"_ustr } );

            if ( xDynResultSet.is() )

                xResultSet = xDynResultSet->getStaticResultSet();

        }

        catch( const ucb::CommandAbortedException& )

        {

        }

        catch( const uno::Exception& )

        {

        }

        if ( xResultSet.is() )

        {

            uno::Reference< sdbc::XRow > xRow( xResultSet, uno::UNO_QUERY );

            uno::Reference< ucb::XContentAccess > xContentAccess( xResultSet, uno::UNO_QUERY );

            try

            {

                while ( xResultSet->next() )

                {

                    OUString aTitle( xRow->getString(1) );

                    bool bFolder = xRow->getBoolean(2);

                    OUString aRow = aTitle + "\t" +

                        xContentAccess->queryContentIdentifierString() + "\t" +

                        (bFolder ? std::u16string_view(u"1") : std::u16string_view(u"0"));

                    aProperties.push_back( aRow );

                }

            }

            catch( const ucb::CommandAbortedException& )

            {

            }

            catch( const uno::Exception& )

            {

            }

        }

    }

    catch( const uno::Exception& )

    {

    }

    return aProperties;

}

OUString SfxContentHelper::GetActiveHelpString( const OUString& rURL )

{

    OUStringBuffer aRet;

    try

    {

        const uno::Reference< uno::XComponentContext >& xContext = ::comphelper::getProcessComponentContext();

        uno::Reference< task::XInteractionHandler > xInteractionHandler(

            task::InteractionHandler::createWithParent(xContext, nullptr), uno::UNO_QUERY_THROW );

        ::ucbhelper::Content aCnt( rURL, new ::ucbhelper::CommandEnvironment( xInteractionHandler, uno::Reference< ucb::XProgressHandler >() ), comphelper::getProcessComponentContext() );

        // open the "active help" stream

        uno::Reference< io::XInputStream > xStream = aCnt.openStream();

        // and convert it to a String

        uno::Sequence< sal_Int8 > lData;

        sal_Int32 nRead = xStream->readBytes( lData, 1024 );

        while ( nRead > 0 )

        {

            std::string_view sOldString( reinterpret_cast<char const *>(lData.getConstArray()), nRead );

            OUString sString = OStringToOUString( sOldString, RTL_TEXTENCODING_UTF8 );

            aRet.append( sString );

            nRead = xStream->readBytes( lData, 1024 );

        }

    }

    catch( const uno::Exception& )

    {

    }

    return aRet.makeStringAndClear();

}

bool SfxContentHelper::IsHelpErrorDocument( std::u16string_view rURL )

{

    bool bRet = false;

    try

    {

        ::ucbhelper::Content aCnt( INetURLObject( rURL ).GetMainURL( INetURLObject::DecodeMechanism::NONE ),

                      uno::Reference< ucb::XCommandEnvironment >(),

                      comphelper::getProcessComponentContext() );

        if ( !( aCnt.getPropertyValue( u"IsErrorDocument"_ustr ) >>= bRet ) )

        {

            SAL_WARN( "sfx.bastyp", "Property 'IsErrorDocument' is missing" );

        }

    }

    catch( const uno::Exception& )

    {

    }

    return bRet;

}

sal_Int64 SfxContentHelper::GetSize( std::u16string_view rContent )

{

    sal_Int64 nSize = 0;

    INetURLObject aObj( rContent );

    DBG_ASSERT( aObj.GetProtocol() != INetProtocol::NotValid, "Invalid URL!" );

    try

    {

        ::ucbhelper::Content aCnt( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ), uno::Reference< ucb::XCommandEnvironment >(), comphelper::getProcessComponentContext() );

        aCnt.getPropertyValue( u"Size"_ustr ) >>= nSize;

    }

    catch( const uno::Exception& )

    {

        TOOLS_WARN_EXCEPTION( "sfx.bastyp", "" );

    }

    return nSize;

}

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