<?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 ControllerViewHelper extends AbstractStimulusViewHelper
{
    use CompileWithRenderStatic;

    protected $escapeOutput = false;

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

        $this->registerArgument('controller', 'mixed', 'Controller name(s)', true);
        $this->registerArgument('values', 'array', 'Controller values', 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'];
        $controllerValues = $arguments['values'];

        if (\is_string($dataOrControllerName)) {
            $data = [$dataOrControllerName => $controllerValues];
        } else {
            if ($controllerValues) {
                throw new \InvalidArgumentException('You cannot pass an array to the first and second argument of stimulus_controller(): check the documentation.');
            }

            $data = $dataOrControllerName;

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

        $controllers = [];
        $values = [];

        foreach ($data as $controllerName => $controllerValues) {
            $controllerName = static::normalizeControllerName($controllerName);
            $controllers[] = $controllerName;

            foreach ($controllerValues as $key => $value) {
                if (!is_scalar($value)) {
                    $value = json_encode($value);
                }

                if (\is_bool($value)) {
                    $value = $value ? 'true' : 'false';
                }

                $key = static::normalizeKeyName($key);
                $value = htmlspecialchars($value, ENT_QUOTES);

                $values[] = 'data-'.$controllerName.'-'.$key.'-value="'.$value.'"';
            }
        }

        return rtrim('data-controller="'.implode(' ', $controllers).'" '.implode(' ', $values));
    }

}