/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: imexp.cxx,v $
 * $Revision: 1.20 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmlscript.hxx"

#include <stdio.h>
#include <rtl/memory.h>
#include "osl/file.h"

#include <rtl/ustrbuf.hxx>

#include <xmlscript/xmldlg_imexp.hxx>
#include <xmlscript/xml_helper.hxx>

#include <cppuhelper/servicefactory.hxx>
#include <cppuhelper/bootstrap.hxx>
#include <cppuhelper/implbase2.hxx>

#include <comphelper/processfactory.hxx>
#include <comphelper/regpathhelper.hxx>

#include <tools/debug.hxx>
#include <vcl/svapp.hxx>

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

#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>

#include <com/sun/star/registry/XSimpleRegistry.hpp>
#include <com/sun/star/registry/XImplementationRegistration.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>

#include <com/sun/star/awt/XToolkit.hpp>
#include <com/sun/star/awt/XControlModel.hpp>
#include <com/sun/star/awt/XControl.hpp>
#include <com/sun/star/awt/XDialog.hpp>

#include <com/sun/star/container/XNameContainer.hpp>


using namespace ::rtl;
using namespace ::cppu;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;




Reference< XComponentContext > createInitialComponentContext(
    OUString const & inst_dir )
{
    Reference< XComponentContext > xContext;

    try
    {
        OUString file_url;
        oslFileError rc = osl_getFileURLFromSystemPath(
            inst_dir.pData, &file_url.pData );
        OSL_ASSERT( osl_File_E_None == rc );

        ::rtl::OUString unorc = file_url + OUString(
            RTL_CONSTASCII_USTRINGPARAM("/program/" SAL_CONFIGFILE("uno")) );

        return defaultBootstrap_InitialComponentContext( unorc );
    }

    catch( Exception& rExc )
    {
        OString aStr( OUStringToOString( rExc.Message, RTL_TEXTENCODING_ASCII_US ) );
        OSL_ENSURE( 0, aStr.getStr() );
    }

    return xContext;
}


// -----------------------------------------------------------------------

Reference< container::XNameContainer > importFile(
    char const * fname,
    Reference< XComponentContext > const & xContext )
{
    // create the input stream
    FILE *f = ::fopen( fname, "rb" );
    if (f)
    {
        ::fseek( f, 0 ,SEEK_END );
        int nLength = ::ftell( f );
        ::fseek( f, 0, SEEK_SET );

        ByteSequence bytes( nLength );
        ::fread( bytes.getArray(), nLength, 1, f );
        ::fclose( f );

        Reference< container::XNameContainer > xModel( xContext->getServiceManager()->createInstanceWithContext(
            OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.awt.UnoControlDialogModel" ) ), xContext ), UNO_QUERY );
        ::xmlscript::importDialogModel( ::xmlscript::createInputStream( bytes ), xModel, xContext );

        return xModel;
    }
    else
    {
        throw Exception( OUString( RTL_CONSTASCII_USTRINGPARAM("### Cannot read file!") ),
                         Reference< XInterface >() );
    }
}

void exportToFile(
    char const * fname,
    Reference< container::XNameContainer > const & xModel,
    Reference< XComponentContext > const & xContext )
{
    Reference< io::XInputStreamProvider > xProvider( ::xmlscript::exportDialogModel( xModel, xContext ) );
    Reference< io::XInputStream > xStream( xProvider->createInputStream() );

    Sequence< sal_Int8 > bytes;
    sal_Int32 nRead = xStream->readBytes( bytes, xStream->available() );
    for (;;)
    {
        Sequence< sal_Int8 > readBytes;
        nRead = xStream->readBytes( readBytes, 1024 );
        if (! nRead)
            break;
        OSL_ASSERT( readBytes.getLength() >= nRead );

        sal_Int32 nPos = bytes.getLength();
        bytes.realloc( nPos + nRead );
        ::rtl_copyMemory( bytes.getArray() + nPos, readBytes.getConstArray(), (sal_uInt32)nRead );
    }

    FILE * f = ::fopen( fname, "w" );
    ::fwrite( bytes.getConstArray(), 1, bytes.getLength(), f );
    ::fflush( f );
    ::fclose( f );
}



class MyApp : public Application
{
public:
    void Main();
};

MyApp aMyApp;

// -----------------------------------------------------------------------

void MyApp::Main()
{
    if (GetCommandLineParamCount() < 2)
    {
        OSL_ENSURE( 0, "usage: imexp inst_dir inputfile [outputfile]\n" );
        return;
    }

    Reference< XComponentContext > xContext(
        createInitialComponentContext( OUString( GetCommandLineParam( 0 ) ) ) );
    Reference< lang::XMultiServiceFactory > xMSF(
        xContext->getServiceManager(), UNO_QUERY );

    try
    {
        ::comphelper::setProcessServiceFactory( xMSF );

        Reference< awt::XToolkit> xToolkit( xMSF->createInstance(
            OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.awt.ExtToolkit" ) ) ), UNO_QUERY );

        // import dialogs
        OString aParam1( OUStringToOString(
                             OUString( GetCommandLineParam( 1 ) ),
                             RTL_TEXTENCODING_ASCII_US ) );
        Reference< container::XNameContainer > xModel(
            importFile( aParam1.getStr(), xContext ) );
        OSL_ASSERT( xModel.is() );

        Reference< awt::XControl > xDlg( xMSF->createInstance(
            OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.awt.UnoControlDialog" ) ) ), UNO_QUERY );
        xDlg->setModel( Reference< awt::XControlModel >::query( xModel ) );
        xDlg->createPeer( xToolkit, 0 );
        Reference< awt::XDialog > xD( xDlg, UNO_QUERY );
        xD->execute();

        if (GetCommandLineParamCount() == 3)
        {
            // write modified dialogs
            OString aParam2( OUStringToOString(
                                 OUString( GetCommandLineParam( 2 ) ), RTL_TEXTENCODING_ASCII_US ) );
            exportToFile( aParam2.getStr(), xModel, xContext );
        }
    }
    catch (xml::sax::SAXException & rExc)
    {
        OString aStr( OUStringToOString( rExc.Message, RTL_TEXTENCODING_ASCII_US ) );
        uno::Exception exc;
        if (rExc.WrappedException >>= exc)
        {
            aStr += OString( " >>> " );
            aStr += OUStringToOString( exc.Message, RTL_TEXTENCODING_ASCII_US );
        }
        OSL_ENSURE( 0, aStr.getStr() );
    }
    catch (uno::Exception & rExc)
    {
        OString aStr( OUStringToOString( rExc.Message, RTL_TEXTENCODING_ASCII_US ) );
        OSL_ENSURE( 0, aStr.getStr() );
    }

    Reference< lang::XComponent > xComp( xContext, UNO_QUERY );
    if (xComp.is())
    {
        xComp->dispose();
    }
}