<?php
/**
 * For the full copyright and license information, please view the
 * docs/licenses/LICENSE.txt file that was distributed with this source code.
 */
declare(strict_types=1);

namespace PrestaShopBundle\Form\Extension;

use Symfony\Component\Form\AbstractTypeExtension;
use Symfony\Component\Form\Extension\Core\Type\FormType;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\FormView;
use Symfony\Component\OptionsResolver\OptionsResolver;

/**
 * Class HintTextExtension extends every form type with additional hint text options.
 */
class HintTextExtension extends AbstractTypeExtension
{
    /**
     * {@inheritdoc}
     */
    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver
            ->setDefaults([
                'hint' => null,
            ])
            ->setAllowedTypes('hint', ['null', 'string'])
        ;
    }

    /**
     * {@inheritdoc}
     */
    public function buildView(FormView $view, FormInterface $form, array $options)
    {
        $view->vars['hint'] = isset($options['hint']) ? $options['hint'] : null;
    }

    /**
     * {@inheritdoc}
     */
    public static function getExtendedTypes(): iterable
    {
        return [FormType::class];
    }
}
