<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM – Open Source CRM application.
 * Copyright (C) 2014-2025 EspoCRM, Inc.
 * Website: https://www.espocrm.com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Core\PhoneNumber;

use Brick\PhoneNumber\PhoneNumber;
use Brick\PhoneNumber\PhoneNumberParseException;
use Espo\Core\Utils\Metadata;

/**
 * @since 9.0.3
 */
class InternationalValidator
{
    public function __construct(
        private Metadata $metadata,
    ) {}

    public function isValid(string $number, bool $allowExtension = false): bool
    {
        if ($number === '') {
            return false;
        }

        $pattern = $this->metadata->get(['app', 'regExpPatterns', 'phoneNumberLoose', 'pattern']);

        if (!$pattern) {
            return true;
        }

        $preparedPattern = '/^' . $pattern . '$/';

        if (!preg_match($preparedPattern, $number)) {
            return false;
        }

        $ext = null;

        if ($allowExtension) {
            [$number, $ext] = Util::splitExtension($number);
        }

        if ($ext) {
            if (!preg_match('/[0-9]+/', $ext)) {
                return false;
            }

            if (strlen($ext) > 6) {
                return false;
            }
        }

        try {
            $numberObj = PhoneNumber::parse($number);
        } catch (PhoneNumberParseException) {
            return false;
        }

        if ((string) $numberObj !== $number) {
            return false;
        }

        return $numberObj->isPossibleNumber();
    }
}