/**************************************************************
 *
 * 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.
 *
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_l10ntools.hxx"
#include <stdio.h>
#include <stdlib.h>

// local includes
#include "helpmerge.hxx"

// defines to parse command line
#define STATE_NON  		        0x0001
#define STATE_INPUT		        0x0002
#define STATE_OUTPUT	        0x0003
#define STATE_PRJ		        0x0004
#define STATE_ROOT		        0x0005
#define STATE_SDFFILE	        0x0006
#define STATE_ERRORLOG	        0x0007
#define STATE_BREAKHELP	        0x0008
#define STATE_UNMERGE	        0x0009
#define STATE_UTF8		        0x000A
#define STATE_LANGUAGES	        0x000B
#define STATE_FORCE_LANGUAGES   0x000C
#define STATE_OUTPUTX           0xfe
#define STATE_OUTPUTY           0xff

// set of global variables
ByteString sInputFile;
sal_Bool bEnableExport;
sal_Bool bMergeMode;
sal_Bool bErrorLog;
sal_Bool bUTF8;
ByteString sPrj;
ByteString sPrjRoot;
ByteString sOutputFile;
ByteString sOutputFileX;
ByteString sOutputFileY;
ByteString sSDFFile;

/*****************************************************************************/
sal_Bool ParseCommandLine( int argc, char* argv[])
/*****************************************************************************/
{
	bEnableExport = sal_False;
	bMergeMode = sal_False;
	bErrorLog = sal_True;
	bUTF8 = sal_True;
	sPrj = "";
	sPrjRoot = "";
    Export::sLanguages = "";
    Export::sForcedLanguages = "";

	sal_uInt16 nState = STATE_NON;
	sal_Bool bInput = sal_False;

	// parse command line
	for( int i = 1; i < argc; i++ ) {
		if ( ByteString( argv[ i ]).ToUpperAscii() == "-I" ) {
			nState = STATE_INPUT; // next tokens specifies source files
		}
		else if ( ByteString( argv[ i ]).ToUpperAscii()  == "-O" ) {
			nState = STATE_OUTPUT; // next token specifies the dest file
		}
		else if ( ByteString( argv[ i ]).ToUpperAscii()  == "-X" ) {
			nState = STATE_OUTPUTX; // next token specifies the dest file
		}
		else if ( ByteString( argv[ i ]).ToUpperAscii()  == "-Y" ) {
			nState = STATE_OUTPUTY; // next token specifies the dest file
		}
		else if ( ByteString( argv[ i ]).ToUpperAscii() == "-P" ) {
			nState = STATE_PRJ; // next token specifies the cur. project
		}
 		else if ( ByteString( argv[ i ]).ToUpperAscii() == "-LF" ) {
			nState = STATE_FORCE_LANGUAGES;
		}

		else if ( ByteString( argv[ i ]).ToUpperAscii() == "-R" ) {
			nState = STATE_ROOT; // next token specifies path to project root
		}
		else if ( ByteString( argv[ i ]).ToUpperAscii() == "-M" ) {
			nState = STATE_SDFFILE; // next token specifies the merge database
		}
		else if ( ByteString( argv[ i ]).ToUpperAscii() == "-E" ) {
			nState = STATE_ERRORLOG;
			bErrorLog = sal_False;
		}
        else if ( ByteString( argv[ i ]).ToUpperAscii() == "-UTF8" ) {
			nState = STATE_UTF8;
			bUTF8 = sal_True;
		}
		else if ( ByteString( argv[ i ]).ToUpperAscii() == "-NOUTF8" ) {
			nState = STATE_UTF8;
			bUTF8 = sal_False;
		}
		else if ( ByteString( argv[ i ]).ToUpperAscii() == "-L" ) {
			nState = STATE_LANGUAGES;
		}
		else {
			switch ( nState ) {
				case STATE_NON: {
					return sal_False;	// no valid command line
				}
				//break;
				case STATE_INPUT: {
					sInputFile = argv[ i ];
					bInput = sal_True; // source file found
				}
				break;
				case STATE_OUTPUT: {
					sOutputFile = argv[ i ]; // the dest. file
				}
                break;
				case STATE_OUTPUTX: {
					sOutputFileX = argv[ i ]; // the dest. file
				}
                break;
				case STATE_OUTPUTY: {
					sOutputFileY = argv[ i ]; // the dest. file
				}
				break;
				case STATE_PRJ: {
					sPrj = argv[ i ];
//					sPrj.ToLowerAscii(); // the project
				}
				break;
				case STATE_ROOT: {
					sPrjRoot = argv[ i ]; // path to project root
				}
				break;
				case STATE_SDFFILE: {
					sSDFFile = argv[ i ];
					bMergeMode = sal_True; // activate merge mode, cause merge database found
				}
				break;
				case STATE_LANGUAGES: {
					Export::sLanguages = argv[ i ];
				}
                case STATE_FORCE_LANGUAGES:{
                    Export::sForcedLanguages = argv[ i ];
                }
				break;
			}
		}
	}

	if ( bInput ) {
		// command line is valid
		bEnableExport = sal_True;
		return sal_True;
	}

	// command line is not valid
	return sal_False;
}


/*****************************************************************************/
void Help()
/*****************************************************************************/
{
	fprintf( stdout, "Syntax: HELPEX[-p Prj][-r PrjRoot]-i FileIn ( -o FileOut | -x path -y relfile )[-m DataBase][-e][-b][-u][-L l1,l2,...] -LF l1,l2 \n" );
	fprintf( stdout, " Prj:      Project\n" );
	fprintf( stdout, " PrjRoot:  Path to project root (..\\.. etc.)\n" );
	fprintf( stdout, " FileIn:   Source file (*.lng)\n" );
	fprintf( stdout, " FileOut:  Destination file (*.*)\n" );
	fprintf( stdout, " DataBase: Mergedata (*.sdf)\n" );
	fprintf( stdout, " -L: Restrict the handled languages. l1,l2,... are elements of (en-US,fr,de...)\n" );
	fprintf( stdout, "     A fallback language can be defined like this: l1=f1.\n" );
	fprintf( stdout, "     f1, f2,... are also elements of (en-US,fr,de...)\n" );
	fprintf( stdout, "     Example: -L fr=en-US\n" );
	fprintf( stdout, "              Restriction to fr, en-US will be fallback for fr\n" );
	fprintf( stdout, " -LF: Force the creation of that languages\n" );

}

/*****************************************************************************/
#ifndef TESTDRIVER

#if defined(UNX) || defined(OS2)
int main( int argc, char *argv[] )
#else
int _cdecl main( int argc, char *argv[] )
#endif
/*****************************************************************************/
{

    if ( !ParseCommandLine( argc, argv )) {
		Help();
		return 1;
	}
	//sal_uInt32 startfull = Export::startMessure();

    bool hasInputList = sInputFile.GetBuffer()[0]=='@';
//    printf("x = %s , y = %s , o = %s\n", sOutputFileX.GetBuffer(),  sOutputFileY.GetBuffer() , sOutputFile.GetBuffer() );
    bool hasNoError = true;

    if ( sOutputFile.Len() ){                                               // Merge single file ?
		//printf("DBG: Inputfile = %s\n",sInputFile.GetBuffer());
		HelpParser aParser( sInputFile, bUTF8 , false );

		if ( bMergeMode )
		{

			//sal_uInt64 startreadloc = Export::startMessure();
			MergeDataFile aMergeDataFile( sSDFFile, sInputFile , sal_False, RTL_TEXTENCODING_MS_1252 );
		    //MergeDataFile aMergeDataFile( sSDFFile, sInputFile , sal_False, RTL_TEXTENCODING_MS_1252, false );
            //Export::stopMessure( ByteString("read localize.sdf") , startreadloc );

			hasNoError = aParser.Merge( sSDFFile, sOutputFile , Export::sLanguages , aMergeDataFile );
		}
		else
			hasNoError = aParser.CreateSDF( sOutputFile, sPrj, sPrjRoot, sInputFile, new XMLFile( '0' ), "help" );
	}else if ( sOutputFileX.Len() && sOutputFileY.Len() && hasInputList ) {  // Merge multiple files ?
		if ( bMergeMode ){

            ifstream aFStream( sInputFile.Copy( 1 , sInputFile.Len() ).GetBuffer() , ios::in );

            if( !aFStream ){
                cerr << "ERROR: - helpex - Can't open the file " << sInputFile.Copy( 1 , sInputFile.Len() ).GetBuffer() << "\n";
                exit(-1);
            }

            vector<ByteString> filelist;
            rtl::OStringBuffer filename;
            sal_Char aChar;
            while( aFStream.get( aChar ) )
            {
                if( aChar == ' ' || aChar == '\n')
                    filelist.push_back( ByteString( filename.makeStringAndClear().getStr() ) );
                else
                    filename.append( aChar );
            }
            if( filename.getLength() > 0 )
                filelist.push_back( ByteString ( filename.makeStringAndClear().getStr() ) );

            aFStream.close();
            ByteString sHelpFile(""); // dummy
            //MergeDataFile aMergeDataFile( sSDFFile, sHelpFile , sal_False, RTL_TEXTENCODING_MS_1252, false );
            MergeDataFile aMergeDataFile( sSDFFile, sHelpFile , sal_False, RTL_TEXTENCODING_MS_1252 );

	        //aMergeDataFile.Dump();
            std::vector<ByteString> aLanguages;
	        HelpParser::parse_languages( aLanguages , aMergeDataFile );

			bool bCreateDir = true;
	        for( vector<ByteString>::iterator pos = filelist.begin() ; pos != filelist.end() ; ++pos )
            {
                sHelpFile = *pos;
                cout << ".";cout.flush();

                HelpParser aParser( sHelpFile , bUTF8 , true );
                hasNoError = aParser.Merge( sSDFFile , sOutputFileX , sOutputFileY , true , aLanguages , aMergeDataFile , bCreateDir );
				bCreateDir = false;
            }
        }
    } else
        cerr << "helpex ERROR: Wrong input parameters!\n";

	//Export::stopMessure( ByteString("full cycle") , startfull );
	if( hasNoError )
        return 0;
    else
        return 1;
}
#endif