/*
 * Copyright (c) 2022, Oracle and/or its affiliates.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2.0, as
 * published by the Free Software Foundation.
 *
 * This program is also distributed with certain software (including
 * but not limited to OpenSSL) that is licensed under separate terms,
 * as designated in a particular file or component or in included license
 * documentation.  The authors of MySQL hereby grant you an
 * additional permission to link the program and your derivative works
 * with the separately licensed software that they have included with
 * MySQL.
 *
 * Without limiting anything contained in the foregoing, this file,
 * which is part of MySQL Connector/Node.js, is also subject to the
 * Universal FOSS Exception, version 1.0, a copy of which can be found at
 * http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * 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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301  USA
 */

import Session from './Session';
import { Options as PoolingOptions } from './ConnectionPool';

/**
 * Client advanced configuration options.
 * ```
 * {
 *   pooling: object
 * }
 * ```
 */
export interface Options {
    /**
     * Connection pooling options.
     * @defaultValue `{ enabled: true, maxIdleTime: 0, maxSize: 25, queueTimeout: 0 }`
     */
    pooling?: PoolingOptions
}

/**
 * Connection pool manager.
 */
interface Client {
    /**
     * Creates an X DevAPI session by acquiring a connection from the internal
     * pool.
     * @returns A `Promise` that resolves to an X DevAPI `Session` instance
     * once the connection is established.
     */
    getSession: () => Promise<Session>
    /**
     * Closes the internal connection pool.
     * @returns A `Promise` that resolves once the pool has been closed.
     */
    close: () => Promise<void>
}

export default Client;