<?php
/**
 * NetflowController.php
 *
 * -Description-
 *
 * 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 <http://www.gnu.org/licenses/>.
 *
 * @package    LibreNMS
 * @link       http://librenms.org
 * @copyright  2020 Tony Murray
 * @author     Tony Murray <murraytony@gmail.com>
 */

namespace App\Http\Controllers\Device\Tabs;

use App\Models\Device;
use LibreNMS\Config;
use LibreNMS\Interfaces\UI\DeviceTab;

class NetflowController implements DeviceTab
{
    public function visible(Device $device): bool
    {
        if (Config::get('nfsen_enable')) {
            foreach ((array)Config::get('nfsen_rrds', []) as $nfsenrrds) {
                if ($nfsenrrds[(strlen($nfsenrrds) - 1)] != '/') {
                    $nfsenrrds .= '/';
                }

                $nfsensuffix = Config::get('nfsen_suffix', '');

                if (Config::get('nfsen_split_char')) {
                    $basefilename_underscored = preg_replace('/\./', Config::get('nfsen_split_char'), $device->hostname);
                } else {
                    $basefilename_underscored = $device->hostname;
                }

                $nfsen_filename = preg_replace('/'.$nfsensuffix.'/', '', $basefilename_underscored);
                if (is_file($nfsenrrds.$nfsen_filename.'.rrd')) {
                    return true;
                }
            }
        }

        return false;
    }

    public function slug(): string
    {
        return 'netflow';
    }

    public function icon(): string
    {
        return 'fa-tint';
    }

    public function name(): string
    {
        return __('Netflow');
    }

    public function data(Device $device): array
    {
        return [
            'tab' => 'nfsen',
        ];
    }
}