<?php

namespace EP\EpTheme\ViewHelpers\Stimulus;

use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

/**
 * This code is adapted from the Symfony WebpackEncoreBundle package.
 * (c) Fabien Potencier <fabien@symfony.com>
 */
class AbstractStimulusViewHelper extends AbstractViewHelper
{
    /**
     * This method is taken from symfony/webpack-encore-bundle
     *
     * Normalize a Stimulus controller name into its HTML equivalent (no special character and / becomes --).
     *
     * @see https://stimulus.hotwire.dev/reference/controllers
     */
    protected static function normalizeControllerName(string $str): string
    {
        return preg_replace('/^@/', '', str_replace('_', '-', str_replace('/', '--', $str)));
    }

    /**
     * This method is taken from symfony/webpack-encore-bundle
     *
     * Normalize a Stimulus Value API key into its HTML equivalent ("kebab case").
     * Backport features from symfony/string.
     *
     * @see https://stimulus.hotwire.dev/reference/values
     */
    protected static function normalizeKeyName(string $str): string
    {
        // Adapted from ByteString::camel
        $str = ucfirst(str_replace(' ', '', ucwords(preg_replace('/[^a-zA-Z0-9\x7f-\xff]++/', ' ', $str))));

        // Adapted from ByteString::snake
        return strtolower(preg_replace(['/([A-Z]+)([A-Z][a-z])/', '/([a-z\d])([A-Z])/'], '\1-\2', $str));
    }
}