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1<?php
2
3declare(strict_types=1);
4
5/** @license For full copyright and license information, please see the LICENSE.md file. */
6
7namespace App\Core\Engine\Application\Transformer;
8
9defined('AMMONLY_APP') || exit('Direct script access is forbidden.');
10
11use App\Core\Engine\Domain\Model\FieldMetadata;
12
13/**
14 * Email Input UiType Transformer.
15 *
16 * Handles UiType: email_input with email validation and normalization.
17 *
18 * @package App\Core\Engine\Application\Transformer
19 */
20final class EmailInputTransformer extends AbstractStringTransformer
21{
22    /** {@inheritdoc} */
23    public function supports(string $uitypeName): bool
24    {
25        return $uitypeName === 'email_input' || $uitypeName === 'email';
26    }
27
28    /** {@inheritdoc} */
29    public function transformWrite(mixed $inputValue, FieldMetadata $field): mixed
30    {
31        $email = is_scalar($inputValue) ? mb_strtolower(trim((string) $inputValue)) : '';
32        if ($email === '') {
33            return null;
34        }
35
36        $validated = filter_var($email, FILTER_VALIDATE_EMAIL);
37
38        return $validated !== false ? (string) $validated : null;
39    }
40}