<?php

namespace EP\EpTheme\ViewHelpers\Stimulus;

use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;

/**
 * This code is adapted from the Symfony WebpackEncoreBundle package.
 * (c) Fabien Potencier <fabien@symfony.com>
 */
class ActionViewHelper extends AbstractStimulusViewHelper
{
    use CompileWithRenderStatic;

    protected $escapeOutput = false;

    public function initializeArguments()
    {
        parent::initializeArguments();

        $this->registerArgument('controller', 'mixed', 'Controller name(s)', true);
        $this->registerArgument('action', 'string', 'Action name', false);
        $this->registerArgument('event', 'string', 'Event name', false);
    }

    /**
     * @param array $arguments
     * @param \Closure $renderChildrenClosure
     * @param RenderingContextInterface $renderingContext
     * @return string
     */
    public static function renderStatic(
        array $arguments,
        \Closure $renderChildrenClosure,
        RenderingContextInterface $renderingContext
    )
    {
        $dataOrControllerName = $arguments['controller'];
        $actionName = $arguments['action'];
        $eventName = $arguments['event'];

        if (\is_string($dataOrControllerName)) {
            $data = [$dataOrControllerName => null === $eventName ? [[$actionName]] : [[$eventName => $actionName]]];
        } else {
            if ($actionName || $eventName) {
                throw new \InvalidArgumentException('You cannot pass a string to the second or third argument while passing an array to the first argument of stimulus_action(): check the documentation.');
            }

            $data = $dataOrControllerName;

            if (!$data) {
                return '';
            }
        }

        $actions = [];

        foreach ($data as $controllerName => $controllerActions) {
            $controllerName = static::normalizeControllerName($controllerName);

            if (\is_string($controllerActions)) {
                $controllerActions = [[$controllerActions]];
            }

            foreach ($controllerActions as $possibleEventName => $controllerAction) {
                if (\is_string($possibleEventName) && \is_string($controllerAction)) {
                    $controllerAction = [$possibleEventName => $controllerAction];
                } elseif (\is_string($controllerAction)) {
                    $controllerAction = [$controllerAction];
                }

                foreach ($controllerAction as $eventName => $actionName) {
                    $action = $controllerName.'#'.htmlspecialchars($actionName, ENT_QUOTES);

                    if (\is_string($eventName)) {
                        $action = $eventName.'->'.$action;
                    }

                    $actions[] = $action;
                }
            }
        }

        return 'data-action="'.implode(' ', $actions).'"';
    }

}