/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-pop3-provider.c: pop3 provider registration code
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * This library is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation.
 *
 * This library 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library. If not, see <http://www.gnu.org/licenses/>.
 *
 * Authors :
 *   Dan Winship <danw@ximian.com>
 *   Michael Zucchi <notzed@ximian.com>
 */

#include "evolution-data-server-config.h"

#include <glib/gi18n-lib.h>

#include "camel-pop3-store.h"

static guint pop3_url_hash (gconstpointer key);
static gint pop3_url_equal (gconstpointer a, gconstpointer b);

static CamelProviderConfEntry pop3_conf_entries[] = {
	{ CAMEL_PROVIDER_CONF_SECTION_START, "storage", NULL,
	  N_("Message Storage") },
	{ CAMEL_PROVIDER_CONF_CHECKBOX, "keep-on-server", NULL,
	  N_("_Leave messages on server"), "1" },
	{ CAMEL_PROVIDER_CONF_CHECKSPIN, "delete-after-days", "keep-on-server",
	  /* Translators: '%s' is replaced with a widget, where user can
	   * select how many days can be message left on the server. */
	  N_("_Delete after %s day(s)"), "0:1:7:365" },
	{ CAMEL_PROVIDER_CONF_LABEL, "delete-after-days-hint", "keep-on-server",
	  N_("Hint: Use 0 days to keep messages on the server indefinitely.") },
	{ CAMEL_PROVIDER_CONF_CHECKBOX, "delete-expunged", "keep-on-server",
	  N_("Delete _expunged from local Inbox"), "0" },
	{ CAMEL_PROVIDER_CONF_CHECKBOX, "disable-extensions", NULL,
	  N_("Disable _support for all POP3 extensions"), "0" },
	{ CAMEL_PROVIDER_CONF_CHECKBOX, "enable-utf8", "!disable-extensions",
	  N_("Enable _UTF-8 extension, when the server supports it"), "1" },
	{ CAMEL_PROVIDER_CONF_SECTION_END },
	{ CAMEL_PROVIDER_CONF_END }
};

CamelProviderPortEntry pop3_port_entries[] = {
	{ 110, N_("Default POP3 port"), FALSE },
	{ 995, N_("POP3 over TLS"), TRUE },
	{ 0, NULL, 0 }
};

static CamelProvider pop3_provider = {
	"pop",

	N_("POP"),

	N_("For connecting to and downloading mail from POP servers."),

	"mail",

	CAMEL_PROVIDER_IS_REMOTE | CAMEL_PROVIDER_IS_SOURCE |
	CAMEL_PROVIDER_SUPPORTS_SSL |
	CAMEL_PROVIDER_SUPPORTS_MOBILE_DEVICES,

	CAMEL_URL_NEED_USER | CAMEL_URL_NEED_HOST | CAMEL_URL_ALLOW_AUTH,

	pop3_conf_entries,

	pop3_port_entries,

	/* ... */
};

CamelServiceAuthType camel_pop3_password_authtype = {
	N_("Password"),

	N_("This option will connect to the POP server using a plaintext "
	   "password. This is the only option supported by many POP servers."),

	"",
	TRUE
};

CamelServiceAuthType camel_pop3_apop_authtype = {
	"APOP",

	N_("This option will connect to the POP server using an encrypted "
	   "password via the APOP protocol. This may not work for all users "
	   "even on servers that claim to support it."),

	"+APOP",
	TRUE
};

void
camel_provider_module_init (void)
{
	CamelServiceAuthType *auth;

	pop3_provider.object_types[CAMEL_PROVIDER_STORE] =
		CAMEL_TYPE_POP3_STORE;
	pop3_provider.url_hash = pop3_url_hash;
	pop3_provider.url_equal = pop3_url_equal;

	pop3_provider.authtypes = camel_sasl_authtype_list (FALSE);
	auth = camel_sasl_authtype ("LOGIN");
	if (auth)
		pop3_provider.authtypes = g_list_prepend (
			pop3_provider.authtypes, auth);
	pop3_provider.authtypes = g_list_prepend (
		pop3_provider.authtypes,
		&camel_pop3_apop_authtype);
	pop3_provider.authtypes = g_list_prepend (
		pop3_provider.authtypes,
		&camel_pop3_password_authtype);
	pop3_provider.translation_domain = GETTEXT_PACKAGE;

	camel_provider_register (&pop3_provider);
}

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

static guint
pop3_url_hash (gconstpointer key)
{
	const CamelURL *u = (CamelURL *) key;
	guint hash = 0;

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

	return hash;
}

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

	if (s2 == NULL)
		return FALSE;

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

static gint
pop3_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->host, u2->host)
		&& u1->port == u2->port;
}
