<?php

/*
 * This file is part of Respect/Validation.
 *
 * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
 *
 * For the full copyright and license information, please view the "LICENSE.md"
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Respect\Validation\Rules\Locale;

use Respect\Validation\Rules\AbstractSearcher;

/**
 * Validates whether an input is subdivision code of Luxembourg or not.
 *
 * ISO 3166-1 alpha-2: LU
 *
 * @see http://www.geonames.org/LU/administrative-division-luxembourg.html
 *
 * @author Henrique Moody <henriquemoody@gmail.com>
 */
final class LuSubdivisionCode extends AbstractSearcher
{
    /**
     * {@inheritdoc}
     */
    protected function getDataSource(): array
    {
        return [
            'CA', // Canton de Capellen
            'CL', // Canton de Clervaux
            'DI', // Canton de Diekirch
            'EC', // Canton d'Echternach
            'ES', // Canton d'Esch-sur-Alzette
            'GR', // Canton de Grevenmacher
            'LU', // Canton de Luxembourg
            'ME', // Canton de Mersch
            'RD', // Canton de Redange
            'RM', // Canton de Remich
            'VD', // Canton de Vianden
            'WI', // Canton de Wiltz
        ];
    }
}