<?php

namespace app\admin\middleware;

use app\admin\logic\BaseLogic;
use app\model\CommonModel;
use think\Exception;
use think\exception\ValidateException;
use think\facade\Cache;
use think\facade\Config;
use think\facade\Validate;
use think\Response;
use app\model\ActionLogModel;

//中间件
class adminMiddleware
{

    //白名单
    private $white_list = ['login','orderExport'];

    //请求入口
    public function handle($request, \Closure $next)
    {

        //请求的唯一标识
        $request->request_id = date('YmdHis') . mt_rand(100000, 999999);

        //接收参数
        $param = $request->post();

        //记录日志
        ActionLogModel::add($request->request_id, $param);

        //判断白名单
        if (!in_array(request()->pathinfo(), $this->white_list)) {

            try {

                $val = Validate::rule(['token' => 'require']);

                if (!$val->check($param)) throw new ValidateException($val->getError());

                //获取用户信息
                $user = verify_token($param['token']);
                BaseLogic::setUserInfo($user);
                $request->uid = $user['uid'];
                $request->uname = $user['uname'];
                $request->roleid = $user['roleid'];
            } catch (ValidateException $validateException) {
                return json_show(CommonModel::$error_token, $validateException->getError());
            }
        }

        return $next($request);

    }


    //请求结束的回调(如果返回数据用的是app_show/error_show,即直接echo，则不会触发该方法)
    public function end(Response $response)
    {
        //只做记录，不做输出
        ActionLogModel::where('request_id', request()->request_id)->save([
            'response' => $response->getContent(),
            'uid' => request()->uid ?? 0,
            'uname' => request()->uname ?? '',
        ]);
    }


}