<?php

declare(strict_types=1);

namespace DigiComp\FluidRenderFunctions\FormExtensions;

use DigiComp\FluidRenderFunctions\InvokeRenderFunctionInterface;
use DigiComp\FluidRenderFunctions\Utils\RenderableProxy;
use DigiComp\FluidRenderFunctions\ViewHelpers\RegisterRenderFunctionViewHelper;
use Neos\Flow\Annotations as Flow;
use Neos\Flow\Aop\JoinPointInterface;
use Neos\FluidAdaptor\ViewHelpers\Form\TextfieldViewHelper;

/**
 * @Flow\Aspect
 */
class TextfieldAspect extends TextfieldViewHelper
{
    /**
     * @Flow\After("setting(DigiComp.FluidRenderFunctions.enableAspects.textfield) && method(Neos\FluidAdaptor\ViewHelpers\Form\TextfieldViewHelper->initializeArguments())")
     */
    public function introduceRenderFuncArgument(JoinPointInterface $joinPoint): void
    {
        $proxy = $joinPoint->getProxy();
        if (!($proxy instanceof TextfieldViewHelper)) {
            return;
        }
        $proxy->registerArgument('renderFunction', 'string', 'callabe to use to render single object');
    }

    /**
     * @Flow\Around("setting(DigiComp.FluidRenderFunctions.enableAspects.textfield) && method(Neos\FluidAdaptor\ViewHelpers\Form\TextfieldViewHelper->getValueAttribute())")
     */
    public function applyRenderFunctionToValue(JoinPointInterface $joinPoint)
    {
        $proxy = $joinPoint->getProxy();
        if (!($proxy instanceof TextfieldViewHelper)) {
            return;
        }
        if (!isset($proxy->arguments['renderFunction'])) {
            return $joinPoint->getAdviceChain()->proceed($joinPoint);
        }
        $renderFunction = $proxy->viewHelperVariableContainer->get(
            RegisterRenderFunctionViewHelper::class,
            $proxy->arguments['renderFunction']
        );
        if (!($renderFunction instanceof InvokeRenderFunctionInterface)) {
            throw new \InvalidArgumentException(
                'render function with name "' . $proxy->arguments['renderFunction'] . '" has not been registered.',
                1717293038
            );
        }
        $originalObject = $joinPoint->getAdviceChain()->proceed($joinPoint);
        if (\is_object($originalObject)) {
            return new RenderableProxy($renderFunction, $originalObject);
        }
        return $originalObject;
    }
}