<?php

namespace App\Service;

use App\Cache\SocketFdBindUser;
use App\Cache\SocketUserBindFds;
/**
 * websocket关系存储
 *
 * @package App\Service
 */
class RedisService extends RedisInterface
{
    use \Hyperf\Di\Aop\ProxyTrait;
    use \Hyperf\Di\Aop\PropertyHandlerTrait;
    function __construct()
    {
        if (method_exists(parent::class, '__construct')) {
            parent::__construct(...func_get_args());
        }
        $this->__handlePropertyHandler(__CLASS__);
    }
    protected $prefix_fn = 'chat_fn';
    protected $prefix_user = 'chat_user';
    /**
     * 绑定fd和用户关系
     * @param string $fid
     * @param int $userId
     * @param $run_id
     * @return void
     * @throws \RedisException
     */
    public function bind(string $fid, int $userId, $run_id = SERVER_RUN_ID)
    {
        //站点通道+用户
        $this->redis->hSet($run_id, $this->prefix_fn . $fid, $userId);
        //站点用户+通道
        $this->redis->hSet($run_id, $this->prefix_user . $userId, $fid);
    }
    /**
     * 解绑通道和用户关系
     * @param string $fid
     * @param int $userId
     * @param $run_id
     * @return void
     * @throws \RedisException
     */
    public function unbind(string $fid, int $userId, $run_id = SERVER_RUN_ID)
    {
        $this->redis->hDel($run_id, $this->prefix_fn . $fid);
        $this->redis->hDel($run_id, $this->prefix_user . $userId);
    }
    /**
     * 通过FD获取userID
     * @param string $fid
     * @param $run_id
     * @return false|\Redis|string
     * @throws \RedisException
     */
    public function findUser(string $fid, $run_id = SERVER_RUN_ID)
    {
        return $this->redis->hGet($run_id, $this->prefix_fn . $fid);
    }
    /**
     * 通过UserID 获取fd
     * @param int $userId
     * @param $run_id
     * @return false|\Redis|string
     * @throws \RedisException
     */
    public function findFd(int $userId, $run_id = SERVER_RUN_ID)
    {
        return $this->redis->hGet($run_id, $this->prefix_user . $userId);
    }
}