<?php

namespace app\chukebao\controller;

use app\common\util\JwtUtil;
use think\Controller;

/**
 * 基础控制器
 */
class BaseController extends Controller
{
    /**
     * 获取用户信息
     *
     * @param string $column
     * @return mixed
     * @throws \Exception
     */
    protected function getUserInfo(?string $column = null)
    {
        static $userCache = null;

        if ($userCache === null) {
            $token = JwtUtil::getRequestToken();
            $userCache = $token ? JwtUtil::verifyToken($token) : false;
            if ($userCache === false) {
                $userCache = $this->request->param('userInfo/a', null);
            }
        }

        if (!$userCache) {
            throw new \Exception('未授权访问，缺少有效的身份凭证', 401);
        }

        return ($column !== null && $column !== '') ? ($userCache[$column] ?? null) : $userCache;
    }
}