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

namespace App\Utils;

use Hyperf\Context\ApplicationContext;
use Hyperf\HttpServer\Contract\RequestInterface;

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");
    }

    public static function getBrowserAndOS(string $userAgent): array
    {
        $browser = 'Unknown';
        $os = 'Unknown';
        // 操作系统识别
        if (preg_match('/windows/i', $userAgent)) {
            $os = 'Windows';
        } elseif (preg_match('/macintosh|mac os x/i', $userAgent)) {
            $os = 'Mac OS';
        } elseif (preg_match('/linux/i', $userAgent)) {
            $os = 'Linux';
        } elseif (preg_match('/iphone/i', $userAgent)) {
            $os = 'iPhone';
        } elseif (preg_match('/android/i', $userAgent)) {
            $os = 'Android';
        }

        // 浏览器识别
        if (preg_match('/MSIE|Trident/i', $userAgent)) {
            $browser = 'Internet Explorer';
        } elseif (preg_match('/Edge/i', $userAgent)) {
            $browser = 'Microsoft Edge';
        } elseif (preg_match('/Firefox/i', $userAgent)) {
            $browser = 'Mozilla Firefox';
        } elseif (preg_match('/Chrome/i', $userAgent)) {
            $browser = 'Google Chrome';
        } elseif (preg_match('/Safari/i', $userAgent)) {
            $browser = 'Safari';
        } elseif (preg_match('/Opera|OPR/i', $userAgent)) {
            $browser = 'Opera';
        }

        return [
            'browser' => $browser,
            'os' => $os,
        ];
    }
}