/* 
*
*  ProLinga-Validate
*
*  Copyright (C) 2002-2008 Xobas Software.
*  All rights reserved.
*  
*  This file is part of ProLinga-Validate.
*
*  ProLinga-Validate is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  ProLinga-Validate 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 General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with ProLinga-Validate.  If not, see <http://www.gnu.org/licenses/>.
*
*  More information is available at the following addresses:
*
*  Website     : http://www.prolinga.org
*
*  Email       : prolinga-list@prolinga.org
*
*
*/

#include "ValCommon.h"
#include "ValConfig.hpp"
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include "VCDocumentParse.hpp"
#include "ValMain.hpp"
#include <prolinga/Validate.hpp>

void Usage(const char *progName)
{
	printf("Usage : %s [ [--version] || [--config file_name] --in input_VC_file_name --out output_VC_file_name ] \n", progName);
}


int main(int argc, char *argv[])
{
	xmlDocPtr docIn, docOut;
	int i, status;
	char *configFileName = DEF_CONFIG_FILE, *inFileName = NULL, *outFileName = NULL;
	PlValidate val;
	
	/* Process command line arguments */
	if (argc <= 1)
	{
		Usage(argv[0]);
		return 0;
	}

	for (i=1;i<argc;i++)
	{
		if ((!strcmp(argv[i], "-version")) || (!strcmp(argv[i], "--version")))
		{
			fprintf(stderr,"%s version: %s\n", argv[0], VERSION);
			fprintf(stderr,"Configuration file: %s\n", DEF_CONFIG_FILE);
			fprintf(stderr,"Copyright © 2002-2008 The ProLinga Team.\n");
			fprintf(stderr,"All rights reserved.\n");
			return 0;
		}
		else if ((!strcmp(argv[i], "-config")) || (!strcmp(argv[i], "--config")))
		{
			if ((i+1) >= argc)
			{
				Usage(argv[0]);
				return 0;
			}
			i++;
			configFileName = argv[i];
		}
		else if ((!strcmp(argv[i], "-in")) || (!strcmp(argv[i], "--in")))
		{
			if ((i+1) >= argc)
			{
				Usage(argv[0]);
				return 0;
			}
			i++;
			inFileName = argv[i];
		}
		else if ((!strcmp(argv[i], "-out")) || (!strcmp(argv[i], "--out")))
		{
			if ((i+1) >= argc)
			{
				Usage(argv[0]);
				return 0;
			}
			i++;
			outFileName = argv[i];
		}
	}

        /* Check if file names have values */
	if (inFileName == NULL || outFileName == NULL)
	{
		Usage(argv[0]);
		return 0;
	}

	/* Parse file */
	status = VCDocumentParse(inFileName, PARSE_FILE, &docIn);
	if (status != 0)
	{
		/* Error handling */
		VCParseErrorResponse(status, &docOut);
	}
	else
	{
		/* Open validate environment */
		val.validateOpen(configFileName);

		/* Process and return XML command */
		xmlSaveFile(outFileName, val.executeCommand(docIn));

		/* Close validate environment */
		val.validateClose();
	}

	/* Return */
	return 0;
}