<?php
declare(strict_types=1);
namespace FluidTYPO3\Flux\ViewHelpers\Form;

/*
 * This file is part of the FluidTYPO3/Flux project under GPLv2 or later.
 *
 * For the full copyright and license information, please read the
 * LICENSE.md file that was distributed with this source code.
 */

use FluidTYPO3\Flux\Form\OptionCarryingInterface;
use FluidTYPO3\Flux\ViewHelpers\AbstractFormViewHelper;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithContentArgumentAndRenderStatic;

/**
 * Form option ViewHelper
 */
class OptionViewHelper extends AbstractFormViewHelper
{
    use CompileWithContentArgumentAndRenderStatic;

    public static string $option = '';

    public function initializeArguments(): void
    {
        $this->registerArgument('value', 'string', 'Option value');
        $this->registerArgument('name', 'string', 'Name of the option to be set', true);
    }

    public static function renderStatic(
        array $arguments,
        \Closure $renderChildrenClosure,
        RenderingContextInterface $renderingContext
    ): string {
        /** @var string $option */
        $option = $arguments['name'] ?? static::$option;
        $container = static::getContainerFromRenderingContext($renderingContext);
        $value = $renderChildrenClosure();
        if ($container instanceof OptionCarryingInterface) {
            $container->setOption($option, $value);
            return '';
        }
        throw new \UnexpectedValueException(
            'flux:form.option cannot be used as child element of '
            . get_class($container)
            . ' (this class does not support options). '
            . 'Please correct this in your template file(s). The option had name="'
            . $option
            . '" and value="'
            . $value
            . '"',
            1602693000
        );
    }
}