/* 
*
*  ProLinga-UI
*
*  Copyright (C) 2002-2008 Xobas Software.
*  All rights reserved.
*  
*  This file is part of ProLinga-UI.
*
*  ProLinga-UI 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-UI 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-UI.  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 "UICommon.h"
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <gtk/gtk.h>
#include <glib.h>
#include <pthread.h>
#include <prolinga/UI.hpp>
#include "UCUICommand.hpp"
#include "UIConfig.hpp"
#include "UIMain.hpp"
#include "UIShare.hpp"

/* Make sure global handles keep their value */
//static ConfigUIPtr confUIStaticPtr;
static int _argcStatic;
static char **_argvStatic;

/* Global handles */
//ConfigUIPtr confUIPtr = confUIStaticPtr;
int _argc = _argcStatic;
char **_argv = _argvStatic;
DesktopScreenPtr desktopScreenPtr = NULL;

void *RunGTKThread(void *args)
{
	/* Start main Gtk+ loop */
	gdk_threads_enter();
	gtk_main();
	gdk_threads_leave();

        /* Return */
        return NULL;
}



xmlDocPtr ProcessError(char *errorString)
{
	xmlDocPtr docUIResponse;
	char *uiResponse;

	/* Generate generic error */
	uiResponse = new char[1024];
	strcpy(uiResponse, "<ProLinga>\n\t<Run Version=\"1.0\">\n\t\t<Command Mode=\"Response\" Status=\"Error\">\n\t\t\t<Error Id=\"19001\">\n\t\t\t\t<Severity>Error</Severity>\n\t\t\t\t<Description>Can not process UI Command</Description>\n\t\t\t\t<External>");
	strcat(uiResponse, errorString);
	strcat(uiResponse, "</External>\n\t\t\t</Error>\n\t\t</Command>\n\t</Run>\n</ProLinga>");

	/* Load response into xml doc */
	docUIResponse = xmlParseMemory(uiResponse, strlen(uiResponse));

	/* Clean up */
	delete uiResponse;

	/* Return */
	return docUIResponse;
}

PlUI::PlUI()
{
	/* Init */
	isUIOpen = false;
}

PlUI::~PlUI()
{
	/* free */
}

void PlUI::uiOpen(const char *configFileName, int argc, char **argv)
{
	char *confName, *threadName;
	pthread_t tid;

	/* Return if already open */
	if (isUIOpen == true)
		return;


	/* Get Config */
	if (configFileName == NULL)
		confName = DEF_CONFIG_FILE;
	else
		confName = (char *)configFileName;

	/* Get Config */
//	confRunPtr = new ConfigRun(DEF_CONFIG_FILE);
//	confRunStaticPtr = confRunPtr;

	/* Init Main Thread & GTK+ */
        if (! g_thread_supported ())
                g_thread_init(NULL);
	gdk_threads_init();
	gtk_init (&argc, &argv);

	/* Set status */
	isUIOpen = true;

	/* Start main GTK loop */
	pthread_create(&tid, NULL, RunGTKThread, NULL);

	/* Free */
//	delete confRunPtr;
}

void PlUI::uiClose(void)
{
	/* Return if already closed */
	if (isUIOpen == false)
		return;

	/* Clean up */
	//delete confUIPtr;

	/* Close GTK+ */
	gtk_main_quit();

	/* Set status */
	isUIOpen = false;
}

xmlDocPtr PlUI::executeCommand(const xmlDocPtr uiRequest)
{
	xmlDocPtr uiResponse;

	/* Return if UI not open or process command */
	if (isUIOpen == false)
		uiResponse = ProcessError("UI not opened.");
	else
		uiResponse = UCUICommand(uiRequest);

	/* Return */
	return uiResponse;
}