/* diversity-xmpp-backend - Communication with (diversity) XMPP server
 *
 * Copyright 2008 OpenMoko, Inc.
 * Authored by Daniel Willmann <daniel@openmoko.org>
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <glib.h>
#include <diversity-world.h>
#include <diversity-bard.h>
#include "diversity-xmpp.h"
#include "diversity-xmpp-backend.h"
#include "xmpp-geoloc.h"

static struct {
	DiversityWorld *world;
	DiversityXmpp *xmpp;
} priv;

static void on_geoloc_message(DiversityXmpp *self, gchar *jid, gdouble lat, gdouble lon, gdouble alt, gdouble err, DiversityWorld *world)
{
	DiversityBard *bard;

	g_debug("geoloc_signal handled from %s: Lat=%f, Lon=%f", jid, lat, lon);
	if (!(bard = diversity_world_lookup_object(world, DIVERSITY_OBJECT_TYPE_BARD, jid)))
	{
		bard = diversity_bard_new();
		diversity_bard_set_uid(bard, jid);
		diversity_bard_set_fullname(bard, jid);
		diversity_object_geometry_set(bard, lon, lat, 0, 0);
		diversity_world_add_object(world, bard);
	} else {
		diversity_object_geometry_set(bard, lon, lat, 0, 0);
	}
}

static void on_self_geometry_changed(DiversityBard *self, gdouble lon, gdouble lat, gdouble width, gdouble height, DiversityXmpp *xmpp)
{
	xmpp_geoloc_publish_position(xmpp, lat, lon, 0, 0);
}

int xmpp_init(DiversityWorld *world, GError **error)
{
	DiversityBard *self;
	struct DiversityXmppUserInfo userinfo = {
		"daniel@thebe.totalueberwachung.de",
		"daniel",
		"",
		"diversity"
	};
	struct DiversityXmppServerInfo serverinfo = {
		"134.169.172.64",
		15222
	};

	if (!g_thread_supported()) {
		g_thread_init(NULL);
	}

	priv.world = world;
	g_object_ref(world);

	priv.xmpp = diversity_xmpp_new("xmpp", error);
	if (!priv.xmpp) {
		xmpp_fini();
		return FALSE;
	}

	diversity_xmpp_userinfo_set(priv.xmpp, &userinfo);
	diversity_xmpp_serverinfo_set(priv.xmpp, &serverinfo);
	diversity_xmpp_connect(priv.xmpp);

	self = diversity_world_get_self(priv.world);

	g_signal_connect(self, "geometry-changed", G_CALLBACK(on_self_geometry_changed), priv.xmpp);
	/* FIXME: Geoloc stuff needs to be its own class */
	g_signal_connect(priv.xmpp, "geoloc-message-received", G_CALLBACK(on_geoloc_message), priv.world);

	return TRUE;
}

void xmpp_fini(void)
{
  GError *error = NULL;

	if (priv.xmpp) {
		g_object_unref(G_OBJECT(priv.xmpp));
		priv.xmpp = NULL;
	}

	if (priv.world) {
		g_object_unref(G_OBJECT(priv.world));
		priv.world = NULL;
	}

}