/* gpgme.js - Javascript integration for gpgme

 * Copyright (C) 2018 Bundesamt für Sicherheit in der Informationstechnik

 *

 * This file is part of GPGME.

 *

 * GPGME 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; either version 2.1 of

 * the License, or (at your option) any later version.

 *

 * GPGME 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 program; if not, see <https://www.gnu.org/licenses/>.

 * SPDX-License-Identifier: LGPL-2.1+

 *

 * Author(s):

 *     Maximilian Krambach <mkrambach@intevation.de>

 */

import { GpgME } from './gpgmejs';

import { gpgme_error } from './Errors';

import { Connection } from './Connection';

/**

 * Main entry point for gpgme.js. It initializes by testing the nativeMessaging

 * connection once, and then offers the available functions as method of the

 * response object.

 * An unsuccessful attempt will reject as a GPGME_Error.

 * @param {Object} config (optional) configuration options

 * @param {Number} config.timeout set the timeout for the initial connection

 * check. On some machines and operating systems a default timeout of 500 ms is

 * too low, so a higher number might be attempted.

 * @returns {Promise<GpgME>}

 * @async

 */

function init ({ timeout = 1000 } = {}){

    return new Promise(function (resolve, reject){

        const connection = new Connection;

        connection.checkConnection(false, timeout).then(

            function (result){

                if (result === true) {

                    resolve(new GpgME());

                } else {

                    reject(gpgme_error('CONN_NO_CONNECT'));

                }

            }, function (){ // unspecific connection error. Should not happen

                reject(gpgme_error('CONN_NO_CONNECT'));

            });

    });

}

const exportvalue = { init:init };

export default exportvalue;