<?php
declare(strict_types=1);
namespace app\api\service\auth;

use think\facade\Cookie;
use app\common\model\UserToken;
use app\common\model\User;
use think\facade\Config;

class MysqlAdapter 
{
    private UserToken $usertoken;

 
    public function userinfo():array|false
    {
        if(isset($this->usertoken)){
            return $this->usertoken->user->toArray();
        }
        return false;
    }

    public function getUserToken():UserToken|false
    {
        if(isset($this->usertoken)){
            return $this->usertoken;
        }
        return false;
    }

    public function login(string $token,User $user)
    {
        $keepalive_time=Config::get('app.auth.keepalive_time');
        $token = md5($token);
        $this->usertoken=UserToken::create([
            'token'  => $token,
            'user_id'=> $user->id,
            'expire' => time()+$keepalive_time
        ]);
        $this->usertoken->token=$token;
        $this->usertoken->user=$user;
        $allow_device_num=Config::get('app.auth.allow_device_num');
        //如果数据库中保存的设备数大于允许的设备数，如果超出则挤出去最早登陆的设备
        $time=time();
        $count=UserToken::where('user_id',$user->id)->where('expire','>',$time)->count();
        if($count>$allow_device_num){
            $usertoken=UserToken::where('user_id',$user->id)->where('expire','>',$time)->order('id','asc')->find();
            $usertoken->delete();
        }
        Cookie::set('token', $token ,$keepalive_time);
        return $token;
    }

    public function logout()
    {
        UserToken::where('token',$this->usertoken->token)->delete();
        Cookie::delete('token');
    }
}