/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-groupwise-provider.c: GroupWise provider registration code */

/*
 *  Author: Harish Krishnaswamy (kharish@novell.com)
 *
 *  Copyright 2005 Novell, Inc. (www.novell.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU Lesser General Public
 * License as published by the Free Software Foundation.
 *
 * 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 Lesser 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.
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>

#include <glib.h>
#include <glib/gi18n-lib.h>
#include <gmodule.h>

#include "camel-provider.h"
#include "camel-sasl.h"
#include "camel-session.h"
#include "camel-url.h"

static void add_hash (guint *hash, char *s);
static guint hula_url_hash (gconstpointer key);
static gint check_equal (char *s1, char *s2);
static gint hula_url_equal (gconstpointer a, gconstpointer b);


static CamelProviderConfEntry hula_conf_entries[] = {
	/* override the labels/defaults of the standard settings */
	{ CAMEL_PROVIDER_CONF_SECTION_START, "mailcheck", NULL,
	  N_("Checking for New Mail") },
	{ CAMEL_PROVIDER_CONF_CHECKBOX, "check_all", NULL,
	  N_("C_heck for new messages in all folders"), "1" },
	{ CAMEL_PROVIDER_CONF_SECTION_END },
	{ CAMEL_PROVIDER_CONF_SECTION_START, "cmdsection", NULL,
	  N_("Connection to Server") },
	{ CAMEL_PROVIDER_CONF_CHECKBOX, "use_command", NULL,
	  N_("_Use custom command to connect to server"), "0" },
	{ CAMEL_PROVIDER_CONF_ENTRY, "command", "use_command",
	  N_("Command:"), "ssh -C -l %u %h exec /usr/sbin/imapd" },
	{ CAMEL_PROVIDER_CONF_SECTION_END },
	{ CAMEL_PROVIDER_CONF_SECTION_START, "folders", NULL,
	  N_("Folders") },
	{ CAMEL_PROVIDER_CONF_CHECKBOX, "use_lsub", NULL,
	  N_("_Show only subscribed folders"), "1" },
	{ CAMEL_PROVIDER_CONF_CHECKBOX, "override_namespace", NULL,
	  N_("O_verride server-supplied folder namespace"), "0" },
	{ CAMEL_PROVIDER_CONF_ENTRY, "namespace", "override_namespace",
	  N_("Namespace") },
	{ CAMEL_PROVIDER_CONF_SECTION_END },
	
	{ CAMEL_PROVIDER_CONF_END }
	/* revisit each options in other providers (incl. authdomain) for
	 * relevancy - harish*/
};


static CamelProvider hula_provider = {
	"hula",
	N_("Hula"),

	N_("For accessing Hula servers"),

	"mail",

	CAMEL_PROVIDER_IS_REMOTE | CAMEL_PROVIDER_IS_SOURCE |
	CAMEL_PROVIDER_IS_STORAGE | CAMEL_PROVIDER_SUPPORTS_SSL | CAMEL_PROVIDER_DISABLE_SENT_FOLDER,

	CAMEL_URL_NEED_USER | CAMEL_URL_NEED_HOST | CAMEL_URL_ALLOW_AUTH,

	hula_conf_entries,

	/* ... */
};

static CamelServiceAuthType camel_hula_password_authtype = {
	N_("Password"),
	
	N_("This option will connect to the Hula server using a "
	   "plaintext password."),
	
	"",
	TRUE
};

static int
hula_auto_detect_cb (CamelURL *url, GHashTable **auto_detected,
			 CamelException *ex)
{
	*auto_detected = g_hash_table_new (g_str_hash, g_str_equal);

	g_hash_table_insert (*auto_detected, g_strdup ("caldav_host"),
			     g_strdup (url->host));

	return 0;
}

void
camel_provider_module_init(void)
{
	CamelProvider *imap_provider = NULL;
	CamelException ex = CAMEL_EXCEPTION_INITIALISER;

	imap_provider =  camel_provider_get("imap://", &ex);

	hula_provider.url_hash = hula_url_hash;
	hula_provider.url_equal = hula_url_equal;
	hula_provider.auto_detect = hula_auto_detect_cb;
	hula_provider.authtypes = g_list_prepend (hula_provider.authtypes, &camel_hula_password_authtype);
	hula_provider.translation_domain = GETTEXT_PACKAGE;
	
	hula_provider.object_types[CAMEL_PROVIDER_STORE] = imap_provider->object_types [CAMEL_PROVIDER_STORE];
	 
	
	camel_provider_register (&hula_provider);
}


static void
add_hash (guint *hash, char *s)
{
	if (s)
		*hash ^= g_str_hash(s);
}

static guint
hula_url_hash (gconstpointer key)
{
	const CamelURL *u = (CamelURL *)key;
	guint hash = 0;

	add_hash (&hash, u->user);
	add_hash (&hash, u->authmech);
	add_hash (&hash, u->host);
	hash ^= u->port;
	
	return hash;
}

static gint
check_equal (char *s1, char *s2)
{
	if (s1 == NULL) {
		if (s2 == NULL)
			return TRUE;
		else
			return FALSE;
	}
	
	if (s2 == NULL)
		return FALSE;

	return strcmp (s1, s2) == 0;
}

static gint
hula_url_equal (gconstpointer a, gconstpointer b)
{
	const CamelURL *u1 = a, *u2 = b;
	
	return check_equal (u1->protocol, u2->protocol)
		&& check_equal (u1->user, u2->user)
		&& check_equal (u1->authmech, u2->authmech)
		&& check_equal (u1->host, u2->host)
		&& u1->port == u2->port;
}