<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://hyperf.wiki
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
 */

namespace Hyperf\Config;

use Hyperf\Context\ApplicationContext;
use Hyperf\Contract\ConfigInterface;
use RuntimeException;

function config(string $key, mixed $default = null): mixed
{
    if (! ApplicationContext::hasContainer()) {
        throw new RuntimeException('The application context lacks the container.');
    }

    $container = ApplicationContext::getContainer();

    if (! $container->has(ConfigInterface::class)) {
        throw new RuntimeException('ConfigInterface is missing in container.');
    }

    return $container->get(ConfigInterface::class)->get($key, $default);
}