/* 
*
*  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 <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <libxml/xpath.h>
#include "VCRepositoryCommand.hpp"
#include "ValidateDocument.hpp"
#include "ValMain.hpp"
#include "CmdValCmd.hpp"

int CmdValConstant(const char *applicationName, const char *objectType, const char *objectName, char **externalError, xmlDocPtr *docError)
{
	xmlDocPtr docRes;
	xmlXPathContextPtr ctxRes;
	xmlXPathObjectPtr resRes;
	int retStatus = 0;
	char *dictName;

	/* Init */
	*docError = NULL;

	/* Get document from repository */
	retStatus = VCrepGet(&docRes, applicationName, objectType, objectName);
	if (retStatus != 0)
	{
		xmlFreeDoc(docRes);
		return 30006;
	}

	/* Create XPath environment */
	ctxRes = xmlXPathNewContext(docRes);

	/* Get DataDictionary */
	resRes = xmlXPathEval((const xmlChar *)"/ProLinga/Repository/Command/Object/Constant/DataDictionaryName", ctxRes);
	if(xmlXPathNodeSetIsEmpty(resRes->nodesetval))
	{
		xmlFreeDoc(docRes);
		return 30011;
	}
	dictName = (char *)xmlXPathCastToString(resRes);

	/* Check if dictionary exists */
	if (VCrepPresent(applicationName, "DataDictionary", dictName) == false)
	{
		*docError = ValCreateErrorDoc();
		ValInsertPredefinedError(0, 1, 40009, dictName, *docError);
		retStatus = 30010;
	}

	/* Cleanup */
	xmlXPathFreeContext(ctxRes);
	xmlFreeDoc(docRes);

	/* Return */
	return retStatus;
}

int CmdValIndex(const char *applicationName, const char *objectType, const char *objectName, char **externalError, xmlDocPtr *docError)
{
	xmlDocPtr docRes;
	xmlXPathContextPtr ctxRes;
	xmlXPathObjectPtr resRes;
	int i, retStatus = 0, hits = 0;
	char *dictName, evalString[1024];

	/* Init */
	*docError = NULL;
	*docError = ValCreateErrorDoc();

	/* Get document from repository */
	retStatus = VCrepGet(&docRes, applicationName, objectType, objectName);
	if (retStatus != 0)
	{
		xmlFreeDoc(docRes);
		return 30006;
	}

	/* Create XPath environment */
	ctxRes = xmlXPathNewContext(docRes);

	/* Get number of IndexEntries */
	resRes = xmlXPathEval((const xmlChar *)"count(/ProLinga/Repository/Command/Object/Index/OccurrencesIndexEntry/IndexEntry)", ctxRes);
	hits = (int)xmlXPathCastToNumber(resRes);
	if (hits == 0)
	{
		xmlXPathFreeContext(ctxRes);
		xmlFreeDoc(docRes);
		return 0;
	}

	/* Process all data dictionary names */
	for (i=1; i<=hits; i++)
	{
		sprintf(evalString,"/ProLinga/Repository/Command/Object/Index/OccurrencesIndexEntry/IndexEntry[%d]/DataDictionaryName", i);
		resRes = xmlXPathEval((const xmlChar *)evalString, ctxRes);
		
		dictName = (char *)xmlXPathCastToString(resRes);

		/* Check if dictionary exists */
		if (VCrepPresent(applicationName, "DataDictionary", dictName) == false)
		{
			ValInsertPredefinedError(0, i, 40009, dictName, *docError);
			retStatus = 30010;
		}
	}

	/* Cleanup */
	xmlXPathFreeContext(ctxRes);
	xmlFreeDoc(docRes);

	/* Return */
	return retStatus;

}

int CmdValRecord(const char *applicationName, const char *objectType, const char *objectName, char **externalError, xmlDocPtr *docError)
{
	xmlDocPtr docRes;
	xmlXPathContextPtr ctxRes;
	xmlXPathObjectPtr resRes;
	int i, retStatus = 0, hits = 0;
	char *dictName, evalString[1024];

	/* Init */
	*docError = NULL;
	*docError = ValCreateErrorDoc();

	/* Get document from repository */
	retStatus = VCrepGet(&docRes, applicationName, objectType, objectName);
	if (retStatus != 0)
	{
		xmlFreeDoc(docRes);
		return 30006;
	}

	/* Create XPath environment */
	ctxRes = xmlXPathNewContext(docRes);

	/* Get number of Record Entries */
	resRes = xmlXPathEval((const xmlChar *)"count(/ProLinga/Repository/Command/Object/Record/OccurrencesDataDictionaryEntry/DataDictionaryEntry)", ctxRes);
	hits = (int)xmlXPathCastToNumber(resRes);
	if (hits == 0)
	{
		xmlXPathFreeContext(ctxRes);
		xmlFreeDoc(docRes);
		return 0;
	}

	/* Process all data dictionary names */
	for (i=1; i<=hits; i++)
	{
		sprintf(evalString,"/ProLinga/Repository/Command/Object/Record/OccurrencesDataDictionaryEntry/DataDictionaryEntry[%d]/DataDictionaryName", i);
		resRes = xmlXPathEval((const xmlChar *)evalString, ctxRes);
		
		dictName = (char *)xmlXPathCastToString(resRes);

		/* Check if dictionary exists */
		if (VCrepPresent(applicationName, "DataDictionary", dictName) == false)
		{
			ValInsertPredefinedError(0, i, 40009, dictName, *docError);
			retStatus = 30010;
		}
	}

	/* Cleanup */
	xmlXPathFreeContext(ctxRes);
	xmlFreeDoc(docRes);

	/* Return */
	return retStatus;
}

int CmdValTable(const char *applicationName, const char *objectType, const char *objectName, char **externalError, xmlDocPtr *docError)
{
	xmlDocPtr docRes;
	xmlXPathContextPtr ctxRes;
	xmlXPathObjectPtr resRes;
	int i, retStatus = 0, hits = 0;
	char *dsrcName, *recName, *idxName, evalString[1024];

	/* Init */
	*docError = NULL;
	*docError = ValCreateErrorDoc();

	/* Get document from repository */
	retStatus = VCrepGet(&docRes, applicationName, objectType, objectName);
	if (retStatus != 0)
	{
		xmlFreeDoc(docRes);
		return 30006;
	}

	/* Create XPath environment */
	ctxRes = xmlXPathNewContext(docRes);

	/* Get DataSource */
	resRes = xmlXPathEval((const xmlChar *)"/ProLinga/Repository/Command/Object/Table/DataSourceName", ctxRes);
	if(xmlXPathNodeSetIsEmpty(resRes->nodesetval))
	{
		xmlFreeDoc(docRes);
		return 30011;
	}
	dsrcName = (char *)xmlXPathCastToString(resRes);

	/* Optional, but if there is a value, check it is ok */
	if (strlen(dsrcName) > 0)
	{
		/* Check if datasource exists */
		if (VCrepPresent(applicationName, "DataSource", dsrcName) == false)
		{
			ValInsertPredefinedError(0, 1, 40012, dsrcName, *docError);
			retStatus = 30010;
		}
	}

	/* Get number of TableRecord Entries */
	resRes = xmlXPathEval((const xmlChar *)"count(/ProLinga/Repository/Command/Object/Table/OccurrencesTableRecordEntry/TableRecordEntry)", ctxRes);
	hits = (int)xmlXPathCastToNumber(resRes);
	if (hits == 0)
	{
		xmlXPathFreeContext(ctxRes);
		xmlFreeDoc(docRes);
		return 0;
	}

	/* Process all table record names */
	for (i=1; i<=hits; i++)
	{
		sprintf(evalString,"/ProLinga/Repository/Command/Object/Table/OccurrencesTableRecordEntry/TableRecordEntry[%d]/RecordName", i);
		resRes = xmlXPathEval((const xmlChar *)evalString, ctxRes);
		
		recName = (char *)xmlXPathCastToString(resRes);

		/* Check if dictionary exists */
		if (VCrepPresent(applicationName, "Record", recName) == false)
		{
			ValInsertPredefinedError(0, i, 40010, recName, *docError);
			retStatus = 30010;
		}
	}

	/* Get number of TableIndex Entries */
	resRes = xmlXPathEval((const xmlChar *)"count(/ProLinga/Repository/Command/Object/Table/OccurrencesTableIndexEntry/TableIndexEntry)", ctxRes);
	hits = (int)xmlXPathCastToNumber(resRes);
	if (hits == 0)
	{
		xmlXPathFreeContext(ctxRes);
		xmlFreeDoc(docRes);
		return 0;
	}

	/* Process all table record names */
	for (i=1; i<=hits; i++)
	{
		sprintf(evalString,"/ProLinga/Repository/Command/Object/Table/OccurrencesTableIndexEntry/TableIndexEntry[%d]/IndexName", i);
		resRes = xmlXPathEval((const xmlChar *)evalString, ctxRes);
		
		idxName = (char *)xmlXPathCastToString(resRes);

		/* Check if index exists */
		if (VCrepPresent(applicationName, "Index", idxName) == false)
		{
			ValInsertPredefinedError(0, i, 40011, idxName, *docError);
			retStatus = 30010;
		}
	}

	/* Cleanup */
	xmlXPathFreeContext(ctxRes);
	xmlFreeDoc(docRes);

	/* Return */
	return retStatus;
}

int CmdValThread(const char *applicationName, const char *objectType, const char *objectName, char **externalError, xmlDocPtr *docError)
{
	xmlDocPtr docRes;
	xmlXPathContextPtr ctxRes;
	xmlXPathObjectPtr resRes;
	int retStatus = 0;
	char *logicName;

	/* Init */
	*docError = NULL;

	/* Get document from repository */
	retStatus = VCrepGet(&docRes, applicationName, objectType, objectName);
	if (retStatus != 0)
	{
		xmlFreeDoc(docRes);
		return 30006;
	}

	/* Create XPath environment */
	ctxRes = xmlXPathNewContext(docRes);

	/* Get Logic */
	resRes = xmlXPathEval((const xmlChar *)"/ProLinga/Repository/Command/Object/Thread/LogicName", ctxRes);
	if(xmlXPathNodeSetIsEmpty(resRes->nodesetval))
	{
		xmlFreeDoc(docRes);
		return 30011;
	}
	logicName = (char *)xmlXPathCastToString(resRes);

	/* Check if logic exists */
	if (VCrepPresent(applicationName, "Logic", logicName) == false)
	{
		*docError = ValCreateErrorDoc();
		ValInsertPredefinedError(0, 1, 40013, logicName, *docError);
		retStatus = 30010;
	}

	/* Cleanup */
	xmlXPathFreeContext(ctxRes);
	xmlFreeDoc(docRes);

	/* Return */
	return retStatus;
}

int CmdValVariable(const char *applicationName, const char *objectType, const char *objectName, char **externalError, xmlDocPtr *docError)
{
	xmlDocPtr docRes;
	xmlXPathContextPtr ctxRes;
	xmlXPathObjectPtr resRes;
	int retStatus = 0;
	char *dictName;

	/* Init */
	*docError = NULL;

	/* Get document from repository */
	retStatus = VCrepGet(&docRes, applicationName, objectType, objectName);
	if (retStatus != 0)
	{
		xmlFreeDoc(docRes);
		return 30006;
	}

	/* Create XPath environment */
	ctxRes = xmlXPathNewContext(docRes);

	/* Get DataDictionary */
	resRes = xmlXPathEval((const xmlChar *)"/ProLinga/Repository/Command/Object/Variable/DataDictionaryName", ctxRes);
	if(xmlXPathNodeSetIsEmpty(resRes->nodesetval))
	{
		xmlFreeDoc(docRes);
		return 30011;
	}
	dictName = (char *)xmlXPathCastToString(resRes);

	/* Check if dictionary exists */
	if (VCrepPresent(applicationName, "DataDictionary", dictName) == false)
	{
		*docError = ValCreateErrorDoc();
		ValInsertPredefinedError(0, 1, 40009, dictName, *docError);
		retStatus = 30010;
	}

	/* Cleanup */
	xmlXPathFreeContext(ctxRes);
	xmlFreeDoc(docRes);

	/* Return */
	return retStatus;
}

int CmdValVariableGroup(const char *applicationName, const char *objectType, const char *objectName, char **externalError, xmlDocPtr *docError)
{
	xmlDocPtr docRes;
	xmlXPathContextPtr ctxRes;
	xmlXPathObjectPtr resRes;
	int i, retStatus = 0, hits = 0;
	char *dictName, evalString[1024];

	/* Init */
	*docError = NULL;
	*docError = ValCreateErrorDoc();

	/* Get document from repository */
	retStatus = VCrepGet(&docRes, applicationName, objectType, objectName);
	if (retStatus != 0)
	{
		xmlFreeDoc(docRes);
		return 30006;
	}

	/* Create XPath environment */
	ctxRes = xmlXPathNewContext(docRes);

	/* Get number of Variable Group Entries */
	resRes = xmlXPathEval((const xmlChar *)"count(/ProLinga/Repository/Command/Object/VariableGroup/OccurrencesVariableEntry/VariableEntry)", ctxRes);
	hits = (int)xmlXPathCastToNumber(resRes);
	if (hits == 0)
	{
		xmlXPathFreeContext(ctxRes);
		xmlFreeDoc(docRes);
		return 0;
	}

	/* Process all data dictionary names */
	for (i=1; i<=hits; i++)
	{
		sprintf(evalString,"/ProLinga/Repository/Command/Object/VariableGroup/OccurrencesVariableEntry/VariableEntry[%d]/DataDictionaryName", i);
		resRes = xmlXPathEval((const xmlChar *)evalString, ctxRes);
		
		dictName = (char *)xmlXPathCastToString(resRes);

		/* Check if dictionary exists */
		if (VCrepPresent(applicationName, "DataDictionary", dictName) == false)
		{
			ValInsertPredefinedError(0, i, 40009, dictName, *docError);
			retStatus = 30010;
		}
	}

	/* Cleanup */
	xmlXPathFreeContext(ctxRes);
	xmlFreeDoc(docRes);

	/* Return */
	return retStatus;
}