<?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 Netherlands or not.
 *
 * ISO 3166-1 alpha-2: NL
 *
 * @see http://www.geonames.org/NL/administrative-division-netherlands.html
 *
 * @author Henrique Moody <henriquemoody@gmail.com>
 */
final class NlSubdivisionCode extends AbstractSearcher
{
    /**
     * {@inheritdoc}
     */
    protected function getDataSource(): array
    {
        return [
            'DR', // Drenthe
            'FL', // Flevoland
            'FR', // Friesland
            'GE', // Gelderland
            'GR', // Groningen
            'LI', // Limburg
            'NB', // Noord Brabant
            'NH', // Noord Holland
            'OV', // Overijssel
            'UT', // Utrecht
            'ZE', // Zeeland
            'ZH', // Zuid Holland
        ];
    }
}