<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Queue-mediated proxy class for outgoing XMPP messages.
 *
 * @category  Network
 * @package   GNUsocial
 * @author    Brion Vibber <brion@status.net>
 * @copyright 2010 StatusNet, Inc.
 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 */

defined('GNUSOCIAL') || die();

use XMPPHP\XMPP;

class QueuedXMPP extends XMPP
{
    /**
     * Reference to the XmppPlugin object we're hooked up to.
     */
    public $plugin;

    /**
     * Constructor
     *
     * @param XmppPlugin $plugin
     * @param string $host
     * @param integer $port
     * @param string $user
     * @param string $password
     * @param string $resource
     * @param string $server
     * @param boolean $printlog
     * @param string $loglevel
     */
    public function __construct($plugin, $host, $port, $user, $password, $resource, $server = null, $printlog = false, $loglevel = null)
    {
        $this->plugin = $plugin;

        parent::__construct($host, $port, $user, $password, $resource, $server, $printlog, $loglevel);

        // We use $host to connect, but $server to build JIDs if specified.
        // This seems to fix an upstream bug where $host was used to build
        // $this->basejid, never seen since it isn't actually used in the base
        // classes.
        if (!$server) {
            $server = $this->host;
        }
        $this->basejid = $this->user . '@' . $server;

        // Normally the fulljid is filled out by the server at resource binding
        // time, but we need to do it since we're not talking to a real server.
        $this->fulljid = "{$this->basejid}/{$this->resource}";
    }

    /**
     * Send a formatted message to the outgoing queue for later forwarding
     * to a real XMPP connection.
     *
     * @param string $msg
     * @param null $timeout
     */
    public function send(string $msg, ?int $timeout = null)
    {
        @$this->plugin->enqueueOutgoingRaw($msg);
    }

    //@{

    /**
     * Stream i/o functions disabled; only do output
     * @param int $timeout
     * @param bool $persistent
     * @param bool $sendinit
     * @throws Exception
     */
    public function connect(bool $persistent = false, bool $send_init = true, int $timeout = 30): void
    {
        // No i18n needed. Test message.
        throw new Exception('Cannot connect to server from fake XMPP.');
    }

    public function disconnect(): void
    {
        // No i18n needed. Test message.
        throw new Exception('Cannot connect to server from fake XMPP.');
    }

    public function process(): void
    {
        // No i18n needed. Test message.
        throw new Exception('Cannot read stream from fake XMPP.');
    }

    public function processUntil($event, int $timeout = -1): array
    {
        // No i18n needed. Test message.
        throw new Exception('Cannot read stream from fake XMPP.');
    }

    public function read(): bool
    {
        // No i18n needed. Test message.
        throw new Exception('Cannot read stream from fake XMPP.');
    }

    public function readyToProcess(): bool
    {
        // No i18n needed. Test message.
        throw new Exception('Cannot read stream from fake XMPP.');
    }
    //@}
}