<?php

namespace app\model;

use think\Exception;

class User extends Base
{
    const  TokenCloseTime = 86400;
    //根据用户ID获取用户信息
    public static function getByOpenid($openid)
    {
        return self::where('openid', $openid)->findOrEmpty()->toArray();
    }

    //更新用户信息 或添加用户信息
    public static function userLogin($data)
    {
        if (!empty($data['openid'])) {
            $wechatUser = self::getByOpenid($data['openid']);
            self::startTrans();
            try {
                $time = time();
                if ($wechatUser) {
                    //更新用户微信信息
                    $wechatUserId = $wechatUser['id'];
                    $data["token"] = md5($data["openid"] . $time . randomStr(1, 16));
                    $data["token_close_time"] = $time + 86400 * 3;
                    $data["created_at"] = date('Y-m-d H:i:s', $time);
                    $data["login_ip"] =request()->ip();
                    $data["last_login"] = date('Y-m-d H:i:s', $time);
                    self::where(["id" => ["=", $wechatUserId]])->update($data);
                } else {
                    //新增用户信息
                    $data["token"] = md5($data["openid"] . $time . randomStr(1, 16));
                    $data["token_close_time"] = $time + (86400 * 3);
                    $data["created_at"] = date('Y-m-d H:i:s', $time);
                    $data["login_ip"] = request()->ip();
                    $data["last_login"] = date('Y-m-d H:i:s', $time);
                    $data["username"] = "";//所属用户

                    self::insertGetId($data);
                }
                //提交事务
                self::commit();
                return json(["state" => "ok", "message" => "登录成功", "token" => $data["token"]]);
            } catch (Exception $e) {
                self::rollback();
                return json(["state" => "fail", "message" => "登录失败500"]);
            }
        } else {
            return json(["state" => "fail"]);
        }
    }

    //验证当前用户登录状态
    static function userTokenVerification(string $token, string $openid)
    {
        $user = self::where([["openid", "=", $openid], ["token", "=", $token]])->field("id,token,token_close_time")->findOrEmpty();
        if ($user->isEmpty()) {
            return [];
        }
        if (!$user["token"] || !($user["token_close_time"]) || $user["token_close_time"] < time()) {
            return [];
        }
        return $user;
    }
}