<?php
/*********************************************************************************
 * The contents of this file are subject to the EspoCRM Advanced Pack
 * Agreement ("License") which can be viewed at
 * https://www.espocrm.com/advanced-pack-agreement.
 * By installing or using this file, You have unconditionally agreed to the
 * terms and conditions of the License, and You may not use this file except in
 * compliance with the License.  Under the terms of the license, You shall not,
 * sublicense, resell, rent, lease, distribute, or otherwise  transfer rights
 * or usage to the software.
 *
 * Copyright (C) 2015-2023 Letrium Ltd.
 *
 * License ID: 7f33790bc71ff8ca9dfbc9066dbc323a
 ***********************************************************************************/

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

use Espo\Core\Di\EntityManagerAware;
use Espo\Core\Di\EntityManagerSetter;
use Espo\Core\Di\InjectableFactoryAware;
use Espo\Core\Di\InjectableFactorySetter;
use Espo\Core\Exceptions\Error;
use Espo\Core\Formula\ArgumentList;
use Espo\Core\Formula\Functions\BaseFunction;
use Espo\Modules\Advanced\Core\SignalManager;

class BroadcastSignalType extends BaseFunction implements InjectableFactoryAware, EntityManagerAware
{
    use InjectableFactorySetter;
    use EntityManagerSetter;

    public function process(ArgumentList $args)
    {
        $args = $this->evaluate($args);

        $signal = $args[0] ?? null;
        $entityType = $args[1] ?? null;
        $id = $args[2] ?? null;

        if (!$signal) {
            throw new Error("Formula: bpm\\broadcastSignal: No signal name.");
        }

        if (!is_string($signal)) {
            throw new Error("Formula: bpm\\broadcastSignal: Bad signal name.");
        }

        $entity = null;

        if ($entityType && $id) {
            $entity = $this->entityManager->getEntityById($entityType, $id);

            if (!$entity) {
                throw new Error("Formula: bpm\\broadcastSignal: The entity does not exist.");
            }
        }

        $this->getSignalManager()->trigger($signal, $entity);
    }

    private function getSignalManager(): SignalManager
    {
        return $this->injectableFactory->create(SignalManager::class);
    }
}
