<?php
/***********************************************************************************
 * The contents of this file are subject to the Extension License Agreement
 * ("Agreement") which can be viewed at
 * https://www.espocrm.com/extension-license-agreement/.
 * By copying, installing downloading, or using this file, You have unconditionally
 * agreed to the terms and conditions of the Agreement, and You may not use this
 * file except in compliance with the Agreement. Under the terms of the Agreement,
 * You shall not license, sublicense, sell, resell, rent, lease, lend, distribute,
 * redistribute, market, publish, commercialize, or otherwise transfer rights or
 * usage to the software or any modified version or derivative work of the software
 * created by or for you.
 *
 * Copyright (C) 2015-2026 EspoCRM, Inc.
 *
 * License ID: 19bc86a68a7bb01f458cb391d43a9212
 ************************************************************************************/

namespace Espo\Modules\Advanced\Core\Workflow\Formula\Functions\WorkflowGroup;

use Espo\Core\Formula\ArgumentList;
use Espo\Core\Formula\Exceptions\BadArgumentType;
use Espo\Core\Formula\Exceptions\TooFewArguments;
use Espo\Core\Formula\Functions\BaseFunction;

/**
 * @noinspection PhpUnused
 */
class SignalParamType extends BaseFunction
{
    public function process(ArgumentList $args)
    {
        if (count($args) < 1) {
            throw TooFewArguments::create(1);
        }

        $name = $this->evaluate($args[0]);

        if (!$name || !is_string($name)) {
            throw BadArgumentType::create(1, 'string');
        }

        $params = $this->getVariables()->__signalParams ?? (object) [];

        return $params->$name ?? null;
    }
}
