/*

 * fprintd example to delete fingerprints

 * Copyright (C) 2008 Daniel Drake <dsd@gentoo.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.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */

#include <stdio.h>

#include <stdlib.h>

#include <dbus/dbus-glib-bindings.h>

#include "manager-dbus-glue.h"

#include "device-dbus-glue.h"

static DBusGProxy *manager = NULL;

static DBusGConnection *connection = NULL;

static void create_manager(void)

{

	GError *error = NULL;

	connection = dbus_g_bus_get(DBUS_BUS_SYSTEM, &error);

	if (connection == NULL) {

		g_print("Failed to connect to session bus: %s\n", error->message);

		exit (1);

	}

	manager = dbus_g_proxy_new_for_name(connection,

		"net.reactivated.Fprint", "/net/reactivated/Fprint/Manager",

		"net.reactivated.Fprint.Manager");

}

static void delete_fingerprints(DBusGProxy *dev, const char *username)

{

	GError *error = NULL;

	GHashTable *props;

	DBusGProxy *p;

	p = dbus_g_proxy_new_from_proxy(dev, "org.freedesktop.DBus.Properties", NULL);

	if (!dbus_g_proxy_call (p, "GetAll", &error, G_TYPE_STRING, "net.reactivated.Fprint.Device", G_TYPE_INVALID,

			   dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), &props, G_TYPE_INVALID)) {

		g_print("GetAll on the Properties interface failed: %s\n", error->message);

		exit (1);

	}

	if (!net_reactivated_Fprint_Device_delete_enrolled_fingers(dev, username, &error)) {

		if (dbus_g_error_has_name (error, "net.reactivated.Fprint.Error.NoEnrolledPrints") == FALSE) {

			g_print("ListEnrolledFingers failed: %s\n", error->message);

			exit (1);

		} else {

			g_print ("No fingerprints to delete on %s\n", g_value_get_string (g_hash_table_lookup (props, "name")));

		}

	} else {

			g_print ("Fingerprints deleted on %s\n", g_value_get_string (g_hash_table_lookup (props, "name")));

	}

	g_hash_table_destroy (props);

	g_object_unref (p);

}

static void process_devices(char **argv)

{

	GError *error = NULL;

	GPtrArray *devices;

	char *path;

	guint i;

	if (!net_reactivated_Fprint_Manager_get_devices(manager, &devices, &error)) {

		g_print("list_devices failed: %s\n", error->message);

		exit (1);

	}

	if (devices->len == 0) {

		g_print("No devices found\n");

		exit(1);

	}

	g_print("found %d devices\n", devices->len);

	for (i = 0; i < devices->len; i++) {

		path = g_ptr_array_index(devices, i);

		g_print("Device at %s\n", path);

	}

	for (i = 0; i < devices->len; i++) {

		guint j;

		DBusGProxy *dev;

		path = g_ptr_array_index(devices, i);

		g_print("Using device %s\n", path);

		/* FIXME use for_name_owner?? */

		dev = dbus_g_proxy_new_for_name(connection, "net.reactivated.Fprint",

						path, "net.reactivated.Fprint.Device");

		for (j = 1; argv[j] != NULL; j++)

			delete_fingerprints (dev, argv[j]);

		g_object_unref (dev);

	}

	g_ptr_array_foreach(devices, (GFunc) g_free, NULL);

	g_ptr_array_free(devices, TRUE);

}

int main(int argc, char **argv)

{

#if !GLIB_CHECK_VERSION (2, 36, 0)

	g_type_init();

#endif

	create_manager();

	if (argc < 2) {

		g_print ("Usage: %s <username> [usernames...]\n", argv[0]);

		return 1;

	}

	process_devices (argv);

	return 0;

}