/* control-world.c
 *
 * Copyright 2007-2008 OpenMoko, Inc.
 * Authored by Chia-I Wu <olv@openmoko.com>
 *
 * 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 <dbus/dbus-glib.h>
#include <dbus/dbus-glib-bindings.h>
#include <dbus/dbus-glib-lowlevel.h>
#include "diversity-control.h"
#include "control-marshal.h"
#include <diversity-world.h>
#include <diversity-tag.h>

static gboolean control_world_get_self(DiversityWorld *world, gchar **OUT_path, GError **error);
static gboolean control_world_get_tunneled(DiversityWorld *world, gboolean *OUT_tunneled, GError **error);
static gboolean control_world_connect_ap(DiversityWorld *world, gchar *IN_path, GError **error);
static gboolean control_world_connect_wired(DiversityWorld *world, GError **error);
static void control_world_viewport_add(DiversityWorld *world, gdouble IN_lon1, gdouble IN_lat1, gdouble IN_lon2, gdouble IN_lat2, DBusGMethodInvocation *context);
static gboolean control_world_viewport_remove(DiversityWorld *world, gchar *IN_path, GError **error);
static gboolean control_world_tag_add(DiversityWorld *world, gdouble IN_lon, gdouble IN_lat, const gchar *IN_description, gchar **OUT_tag, GError **error);
static gboolean control_world_tag_remove(DiversityWorld *world, gchar *IN_path, GError **error);
#include "control-world-glue.h"

static gboolean control_world_get_self(DiversityWorld *world, gchar **OUT_path, GError **error)
{
	DiversityControl *ctrl = diversity_control_from_world(world);
	DiversityBard *bard;
	DiversityControlExport *export;

	bard = diversity_world_get_self(world);
	if (!bard) {
		g_set_error(error, DIVERSITY_CONTROL_ERROR, 0, "no ego?");

		return FALSE;
	}

	export = diversity_control_object_export(ctrl, DIVERSITY_OBJECT(bard), NULL);

	*OUT_path = g_strdup(export->path);

	return TRUE;
}

static gboolean control_world_get_tunneled(DiversityWorld *world, gboolean *OUT_tunneled, GError **error)
{
	*OUT_tunneled = diversity_world_get_tunneled(world);

	return TRUE;
}

static gboolean control_world_connect_ap(DiversityWorld *world, gchar *IN_path, GError **error)
{
	DiversityControl *ctrl = diversity_control_from_world(world);
	DiversityObject *obj;

	obj = diversity_control_object_lookup(ctrl, IN_path);
	if (!obj || obj->type != DIVERSITY_OBJECT_TYPE_AP) {
		g_set_error(error, DIVERSITY_CONTROL_ERROR, 0,
				"non-existing AP %s\n", IN_path);

		return FALSE;
	}

	diversity_world_connect_ap(world, DIVERSITY_AP(obj));

	return TRUE;
}

static gboolean control_world_connect_wired(DiversityWorld *world, GError **error)
{
	diversity_world_connect_wired(world);

	return TRUE;
}

static void control_world_viewport_add(DiversityWorld *world,
				       gdouble IN_lon1, gdouble IN_lat1,
				       gdouble IN_lon2, gdouble IN_lat2,
				       DBusGMethodInvocation *context)
{
	DiversityControl *ctrl = diversity_control_from_world(world);
	DiversityViewport *view;
	DiversityControlExport *export;
	gchar *sender;

	view = diversity_viewport_new(IN_lon1, IN_lat1, IN_lon2, IN_lat2);
	if (!view) {
		GError *error;

		g_set_error(&error, DIVERSITY_CONTROL_ERROR, 0, "failed to create viewport");
		dbus_g_method_return_error(context, error);

		return;
	}

	sender = dbus_g_method_get_sender(context);
	export = diversity_control_object_export(ctrl, DIVERSITY_OBJECT(view), sender);

	diversity_world_add_viewport(world, view);

	dbus_g_method_return(context, export->path);
}

static gboolean control_world_viewport_remove(DiversityWorld *world, gchar *IN_path, GError **error)
{
	DiversityControl *ctrl = diversity_control_from_world(world);
	DiversityObject *obj;
	DiversityViewport *view;

	obj = diversity_control_object_lookup(ctrl, IN_path);
	if (!obj) {
		g_set_error(error, DIVERSITY_CONTROL_ERROR, 0, "failed to remove %s", IN_path);

		return FALSE;
	}

	view = DIVERSITY_VIEWPORT(obj);
	diversity_control_object_unexport(ctrl, DIVERSITY_OBJECT(view));

	diversity_world_remove_viewport(world, view);

	return TRUE;
}

static gboolean control_world_tag_add(DiversityWorld *world, gdouble IN_lon, gdouble IN_lat, const gchar *IN_description, gchar **OUT_tag, GError **error)
{
	DiversityControl *ctrl = diversity_control_from_world(world);
	DiversityObject *tag;
	DiversityControlExport *export;

	tag = g_object_new(DIVERSITY_TYPE_TAG, NULL);
	if (!tag) {
		g_set_error(error, DIVERSITY_CONTROL_ERROR, 0, "failed to create tag");

		return FALSE;
	}
	diversity_object_geometry_set(tag, IN_lon, IN_lat, 0.0, 0.0);
	diversity_object_set_accuracy(tag, DIVERSITY_OBJECT_ACCURACY_EXACT);

	diversity_tag_set(DIVERSITY_TAG(tag), DIVERSITY_TAG_DESCRIPTION, IN_description);

	export = diversity_control_object_export(ctrl, tag, NULL);

	diversity_world_add_object(world, tag);

	*OUT_tag = g_strdup(export->path);

	return TRUE;
}

static gboolean control_world_tag_remove(DiversityWorld *world, gchar *IN_path, GError **error)
{
	DiversityControl *ctrl = diversity_control_from_world(world);
	DiversityObject *obj, *tag;

	obj = diversity_control_object_lookup(ctrl, IN_path);
	if (!obj) {
		g_set_error(error, DIVERSITY_CONTROL_ERROR, 0, "failed to remove %s", IN_path);

		return FALSE;
	}

	tag = DIVERSITY_OBJECT(obj);

	diversity_world_remove_object(world, tag);

	return TRUE;
}