<?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 Hong Kong or not.
 *
 * ISO 3166-1 alpha-2: HK
 *
 * @see http://www.geonames.org/HK/administrative-division-hong-kong.html
 *
 * @author Henrique Moody <henriquemoody@gmail.com>
 */
final class HkSubdivisionCode extends AbstractSearcher
{
    /**
     * {@inheritdoc}
     */
    protected function getDataSource(): array
    {
        return [
            'HCW', // Central and Western Hong Kong Island
            'HEA', // Eastern Hong Kong Island
            'HSO', // Southern Hong Kong Island
            'HWC', // Wan Chai Hong Kong Island
            'KKC', // Kowloon City Kowloon
            'KKT', // Kwun Tong Kowloon
            'KSS', // Sham Shui Po Kowloon
            'KWT', // Wong Tai Sin Kowloon
            'KYT', // Yau Tsim Mong Kowloon
            'NIS', // Islands New Territories
            'NKT', // Kwai Tsing New Territories
            'NNO', // North New Territories
            'NSK', // Sai Kung New Territories
            'NST', // Sha Tin New Territories
            'NTM', // Tuen Mun New Territories
            'NTP', // Tai Po New Territories
            'NTW', // Tsuen Wan New Territories
            'NYL', // Yuen Long New Territories
        ];
    }
}