<?php
/* Copyright (C) 2014 Daniel Preussker <f0o@devilcode.org>
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>. */

/**
 * IRC Transport
 *
 * @author f0o <f0o@devilcode.org>
 * @copyright 2014 f0o, LibreNMS
 * @license GPL
 */

namespace LibreNMS\Alert\Transport;

use LibreNMS\Alert\Transport;
use LibreNMS\Config;
use LibreNMS\Exceptions\AlertTransportDeliveryException;

class Irc extends Transport
{
    protected string $name = 'IRC';

    public function deliverAlert(array $alert_data): bool
    {
        $container_dir = '/data';
        if (file_exists($container_dir) and posix_getpwuid(fileowner($container_dir))['name'] == 'librenms') {
            $f = $container_dir . '/.ircbot.alert';
        } else {
            $f = Config::get('install_dir') . '/.ircbot.alert';
        }
        if (file_exists($f) && filetype($f) == 'fifo') {
            $f = fopen($f, 'w+');
            $r = fwrite($f, json_encode($alert_data) . "\n");
            fclose($f);

            if ($r === false) {
                throw new AlertTransportDeliveryException($alert_data, 0, 'Could not write to fifo', $alert_data['msg'], $alert_data);
            }

            return true;
        }

        throw new AlertTransportDeliveryException($alert_data, 0, 'fifo does not exist', $alert_data['msg'], $alert_data);
    }

    public static function configTemplate(): array
    {
        return [
            'config' => [
                [
                    'title' => 'IRC',
                    'name' => 'irc',
                    'descr' => 'Enable IRC alerts',
                    'type'  => 'checkbox',
                    'default' => true,
                ],
            ],
            'validation' => [
                'irc' => 'required',
            ],
        ];
    }
}