<?php
/**
 * Author: cfn <cfn@leapy.cn>
 */

namespace App\Utils;

use Hyperf\Context\ApplicationContext;
use Hyperf\HttpServer\Contract\RequestInterface;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

class Ip
{
    /**
     * Author: cfn <cfn@leapy.cn>
     * @return string
     */
    public static function ip(): string
    {
        $container = ApplicationContext::getContainer();
        $request = $container->get(RequestInterface::class);
        $res = $request->getHeaders();
        if (isset($res['http_client_ip'])) {
            return $res['http_client_ip'][0];
        } elseif (isset($res['x-real-ip'])) {
            return $res['x-real-ip'][0];
        } elseif (isset($res['x-forwarded-for'])) {
            return $res['x-forwarded-for'][0];
        } else {
            $serverParams = $request->getServerParams();
            return $serverParams['remote_addr'][0];
        }
    }

    /**
     * Author: cfn <cfn@leapy.cn>
     * @return string
     */
    public static function ua(): string
    {
        $container = ApplicationContext::getContainer();
        $request = $container->get(RequestInterface::class);
        return $request->header("user-agent", "unknown");
    }
}