<?php
namespace app\index\middleware;

use app\index\model\Language;
use app\index\model\Site;
use think\facade\Cache;

/**
 * 全局路由中间件-验证接口请求的有效性
 * Class Auth
 * @package app\index\middleware
 */
class Auth
{
    public function handle($request, \Closure $next)
    {
        header("Access-Control-Allow-Origin:*");
        header("Access-Control-Allow-Methods:GET, POST, PATCH, PUT, DELETE,OPTIONS");
        header("Access-Control-Allow-Headers:Authorization, Content-Type, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since, X-Requested-With,x_requested_with,x-token");
        //获取请求过来的域名与后台绑定域名是否一致
        $url = $request->host();
        //兼容老数据，1=英文，或者传 us-en, zh-cn,jp
        $language = $request->param()['language_id']??'zh-cn';

        if ($language == 'zh-cn') {
            $languageId = 1;
        } else {
            if (is_numeric($language)) {
                show(-999,lang('无效的语言包请求'));
            }
            $lang = new Language();
            $info = $lang->where('code',$language)->where('status',0)->findOrEmpty()->toArray();
            if (empty($info)) {
                show(-998,lang('语言包ID不正确'));
            }
            $languageId = $info['id'];
        }
        // 查找当前品牌所有的语言站点
        $site = new Site();
        $domain = [];
        $languageCode = '';
        if (Cache::has('site_info')) {
            $siteInfo = Cache::get('site_info');
            $languageCode = Cache::get('language_info_'.$languageId) ?: 'zh-cn';
            $domain = array_column($siteInfo,'domain');
        } else {
            $siteInfo = $site->where(['platform_id'=>1,'status'=>0])->select()->toArray();
            $languageInfo = $site->where(['language_id'=>$languageId,'platform_id'=>1,'status'=>0])->select()->toArray();
            if (!empty($languageInfo)) {
                $languageCode = $languageInfo[0]['code'] ?? 'zh-cn';
            }

            if (!empty($siteInfo)) {
                $domain = array_column($siteInfo,'domain');
            }
            Cache::set('site_info',$siteInfo,7200);
            Cache::set('language_info_'.$languageId,$languageCode,7200);
        }

        //检测域名是否合法，添加测试域名
        $devDomain = ['setmspace.test','setmspace.com','setmspace.cn','dev.setm.f2b211.com'];
        $domain = array_column($domain,'domain');
        $wholeDomain = array_merge($devDomain,$domain);

        if (!in_array($url,$wholeDomain)) {
           //表示请求域名不是绑定的域名，抛出异常
            show(-995,lang("绑定域名不正确，请检查后台设置"));
        }

        //老站点英文站兼容密钥
        $request->platform_id = 1;/*强制为1*/
        $request->language_id = $languageId;
        $request->language_code = $languageCode;
        //组装语言ID请求数据
        $post = $request->post();
        $post['language_id'] = $languageId;
        $request->withPost($post);
        return $next($request);
    }
}