/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#include <stdio.h>
#include <unistd.h>

#include "helper.hxx"
#include "padialog.hrc"
#include "newppdlg.hxx"
#include "padialog.hxx"
#include "progress.hxx"

#include "vcl/ppdparser.hxx"
#include "vcl/helper.hxx"
#include "vcl/svapp.hxx"
#include "vcl/mnemonic.hxx"

#include "tools/urlobj.hxx"

#include "osl/file.hxx"

#include <list>

#define PPDIMPORT_GROUP "PPDImport"

using namespace padmin;
using namespace psp;
using namespace osl;
using namespace rtl;

PPDImportDialog::PPDImportDialog( Window* pParent ) :
		ModalDialog( pParent, PaResId( RID_PPDIMPORT_DLG ) ),
		m_aOKBtn( this, PaResId( RID_PPDIMP_BTN_OK ) ),
		m_aCancelBtn( this, PaResId( RID_PPDIMP_BTN_CANCEL ) ),
		m_aPathTxt( this, PaResId( RID_PPDIMP_TXT_PATH ) ),
		m_aPathBox( this, PaResId( RID_PPDIMP_LB_PATH ) ),
		m_aSearchBtn( this, PaResId( RID_PPDIMP_BTN_SEARCH ) ),
		m_aDriverTxt( this, PaResId( RID_PPDIMP_TXT_DRIVER ) ),
		m_aDriverLB( this, PaResId( RID_PPDIMP_LB_DRIVER ) ),
		m_aPathGroup( this, PaResId( RID_PPDIMP_GROUP_PATH ) ),
		m_aDriverGroup( this, PaResId( RID_PPDIMP_GROUP_DRIVER ) ),
		m_aLoadingPPD( PaResId( RID_PPDIMP_STR_LOADINGPPD ) )
{
	FreeResource();

	String aText( m_aDriverTxt.GetText() );
	aText.SearchAndReplaceAscii( "%s", Button::GetStandardText( BUTTON_OK ) );
	m_aDriverTxt.SetText( MnemonicGenerator::EraseAllMnemonicChars( aText ) );

	Config& rConfig = getPadminRC();
	rConfig.SetGroup( PPDIMPORT_GROUP );
	m_aPathBox.SetText( String( rConfig.ReadKey( "LastDir" ), RTL_TEXTENCODING_UTF8 ) );
	for( int i = 0; i < 11; i++ )
	{
		ByteString aEntry( rConfig.ReadKey( ByteString::CreateFromInt32( i ) ) );
		if( aEntry.Len() )
			m_aPathBox.InsertEntry( String( aEntry, RTL_TEXTENCODING_UTF8 ) );
	}

	m_aOKBtn.SetClickHdl( LINK( this, PPDImportDialog, ClickBtnHdl ) );
	m_aCancelBtn.SetClickHdl( LINK( this, PPDImportDialog, ClickBtnHdl ) );
	m_aSearchBtn.SetClickHdl( LINK( this, PPDImportDialog, ClickBtnHdl ) );
	m_aPathBox.SetSelectHdl( LINK( this, PPDImportDialog, SelectHdl ) );
	m_aPathBox.SetModifyHdl( LINK( this, PPDImportDialog, ModifyHdl ) );

    if( m_aPathBox.GetText().Len() )
        Import();
}

PPDImportDialog::~PPDImportDialog()
{
	while( m_aDriverLB.GetEntryCount() )
	{
		delete (String*)m_aDriverLB.GetEntryData( 0 );
		m_aDriverLB.RemoveEntry( 0 );
	}
}

void PPDImportDialog::Import()
{
	String aImportPath( m_aPathBox.GetText() );

	Config& rConfig = getPadminRC();
	rConfig.SetGroup( PPDIMPORT_GROUP );
	rConfig.WriteKey( "LastDir", ByteString( aImportPath, RTL_TEXTENCODING_UTF8 ) );

	int nEntries = m_aPathBox.GetEntryCount();
	while( nEntries-- )
		if( aImportPath == m_aPathBox.GetEntry( nEntries ) )
			break;
	if( nEntries < 0 )
	{
		int nNextEntry = rConfig.ReadKey( "NextEntry" ).ToInt32();
		rConfig.WriteKey( ByteString::CreateFromInt32( nNextEntry ), ByteString( aImportPath, RTL_TEXTENCODING_UTF8 ) );
		nNextEntry = nNextEntry < 10 ? nNextEntry+1 : 0;
		rConfig.WriteKey( "NextEntry", ByteString::CreateFromInt32( nNextEntry ) );
		m_aPathBox.InsertEntry( aImportPath );
	}
	while( m_aDriverLB.GetEntryCount() )
	{
		delete (String*)m_aDriverLB.GetEntryData( 0 );
		m_aDriverLB.RemoveEntry( 0 );
	}

	ProgressDialog aProgress( Application::GetFocusWindow() );
	aProgress.startOperation( m_aLoadingPPD );

	::std::list< String > aFiles;
	FindFiles( aImportPath, aFiles, String( RTL_CONSTASCII_USTRINGPARAM( "PS;PPD;PS.GZ;PPD.GZ" ) ), true );

	int i = 0;
	aProgress.setRange( 0, aFiles.size() );
	while( aFiles.size() )
	{
		aProgress.setValue( ++i );
		aProgress.setFilename( aFiles.front() );
		INetURLObject aPath( aImportPath, INET_PROT_FILE, INetURLObject::ENCODE_ALL );
		aPath.Append( aFiles.front() );
		String aPrinterName = PPDParser::getPPDPrinterName( aPath.PathToFileName() );
		aFiles.pop_front();

		if( ! aPrinterName.Len() )
		{
#if OSL_DEBUG_LEVEL > 1
			fprintf( stderr, "Warning: File %s has empty printer name.\n",
					 rtl::OUStringToOString( aPath.PathToFileName(), osl_getThreadTextEncoding() ).getStr() );
#endif
			continue;
		}

		sal_uInt16 nPos = m_aDriverLB.InsertEntry( aPrinterName );
		m_aDriverLB.SetEntryData( nPos, new String( aPath.PathToFileName() ) );
	}
}

IMPL_LINK( PPDImportDialog, ClickBtnHdl, PushButton*, pButton )
{
	if( pButton == &m_aCancelBtn )
	{
		EndDialog( 0 );
	}
	else if( pButton == &m_aOKBtn )
	{
		// copy the files
		::std::list< rtl::OUString > aToDirs;
		psp::getPrinterPathList( aToDirs, PRINTER_PPDDIR );
		::std::list< rtl::OUString >::iterator writeDir = aToDirs.begin();
        m_aImportedFiles.clear();

		for( int i = 0; i < m_aDriverLB.GetSelectEntryCount(); i++ )
		{
			INetURLObject aFile( *(String*)m_aDriverLB.GetEntryData(
				m_aDriverLB.GetSelectEntryPos( i )
				), INET_PROT_FILE, INetURLObject::ENCODE_ALL );
			OUString aFromUni( aFile.GetMainURL(INetURLObject::DECODE_TO_IURI) );

			do
			{
				INetURLObject aToFile( *writeDir, INET_PROT_FILE, INetURLObject::ENCODE_ALL );
				aToFile.Append( aFile.GetName() );
				OUString aToUni( aToFile.GetMainURL(INetURLObject::DECODE_TO_IURI) );
				if( ! File::copy( aFromUni, aToUni ) )
                {
                    m_aImportedFiles.push_back( aToUni );
					break;
                }
				++writeDir;
			} while( writeDir != aToDirs.end() );
		}
		EndDialog( 1 );
	}
	else if( pButton == &m_aSearchBtn )
	{
        String aPath( m_aPathBox.GetText() );
        if( chooseDirectory( aPath ) )
		{
			m_aPathBox.SetText( aPath );
			Import();
		}
	}
	return 0;
}

IMPL_LINK( PPDImportDialog, SelectHdl, ComboBox*, pListBox )
{
	if( pListBox == &m_aPathBox )
	{
		Import();
	}
	return 0;
}

IMPL_LINK( PPDImportDialog, ModifyHdl, ComboBox*, pListBox )
{
	if( pListBox == &m_aPathBox )
	{
		ByteString aDir( m_aPathBox.GetText(), osl_getThreadTextEncoding() );
		if( ! access( aDir.GetBuffer(), F_OK ) )
			Import();
	}
	return 0;
}