/* 
*
*  ProLinga-Data
*
*  Copyright (C) 2002-2009 Xobas Software.
*  All rights reserved.
*  
*  This file is part of ProLinga-Data.
*
*  ProLinga-Data 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-Data 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-Data.  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 "DatCommon.h"
#include <prolinga/Data.hpp>
#include "DCDataCommand.hpp"
#include "DatConfig.hpp"
#include "DCSession.hpp"
#include "DatMain.hpp"

/* Make sure global handles keep their value */
static DCSessionPtr sesStaticPtr;
static int _argcStatic;
static char **_argvStatic;

/* Global handles */
DCSessionPtr sesPtr = sesStaticPtr;
int _argc = _argcStatic;
char **_argv = _argvStatic;


xmlDocPtr DCProcessError(char *errorString)
{
        xmlDocPtr docDataResponse;
        char *dataResponse;
                                                                                                                                             
                                                                                                                                             
        /* Generate generic error */
        dataResponse = new char[1024];
        strcpy(dataResponse, "<ProLinga>\n\t<Data Version=\"1.0\">\n\t\t<Command Mode=\"Response\" Status=\"Error\">\n\t\t\t<Error Id=\"10001\">\n\t\t\t\t<Severity>Error</Severity>\n\t\t\t\t<Description>Can not process Data Command</Description>\n\t\t\t\t<External>");
        strcat(dataResponse, errorString);
        strcat(dataResponse, "</External>\n\t\t\t</Error>\n\t\t</Command>\n\t</Data>\n</ProLinga>");
                                                                                                                                             
        /* Load response into xml doc */
        docDataResponse = xmlParseMemory(dataResponse, strlen(dataResponse));
                                                                                                                                             
        /* Clean up */
        delete dataResponse;
                                                                                                                                             
        /* Return */
        return docDataResponse;
}

PlData::PlData()
{
	/* Init */
	isDataOpen = false;
}
                                                                                                                                             
PlData::~PlData()
{
	/* free */
}

void PlData::dataOpen(const char *configFileName, int argc, char **argv)
{
        char *confName;

        /* Return if already open */
        if (isDataOpen == true)
                return;
                                                                                                                                             
	/* Init libgda */
	if (argc == -1)
		gda_init();
	else
	{
		gda_init();

		/* Set global arguments */
		_argc = argc;
		_argcStatic = argc;
		_argv = argv;
		_argvStatic = argv;
	}

        /* Set global database handles */
	sesPtr = new DCSession;
	sesStaticPtr = sesPtr;
                                                                                                                                             
        /* Get Config */
        if (configFileName == NULL)
                confName = DEF_CONFIG_FILE;
        else
                confName = (char *)configFileName;
                                                                                                                                             

        /* Set status */
        isDataOpen = true;
}

void PlData::dataClose(void)
{
	/* Return if already closed */
	if (isDataOpen == false)
		return;

	/* Set status */
	isDataOpen = false;

	/* Close GDA */
	//gda_main_quit();

	/* Free */
	delete sesPtr;
	sesStaticPtr = NULL;
	sesPtr = NULL;
}

xmlDocPtr PlData::executeCommand(const xmlDocPtr dataRequest)
{
	xmlDocPtr dataResponse;

	/* Return if repository not open or process command */
	if (isDataOpen == false)
		dataResponse = DCProcessError("Data not opened.");
	else
		dataResponse = DCDataCommand(dataRequest);
                                                                                                                                             
	/* Return */
	return dataResponse;
}