using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace POSV.WindowsService
{
    public static class SessionManager
    {

        public static Dictionary<string, WebSocketSessionEx> SessionDic = new Dictionary<string, WebSocketSessionEx>();

        //public static List<WebSocketSessionEx> Session = new List<WebSocketSessionEx>();

        /// <summary>
        /// 增加连接
        /// </summary>
        /// <param name="name"></param>
        /// <param name="session"></param>
        /// <returns></returns>
        public static Tuple<bool, string> AddSession(string name, WebSocketSessionEx session)
        {
            if(string.IsNullOrEmpty(name))
            {
                return new Tuple<bool, string>(false, "注册名称非法");
            }
            if (SessionDic.ContainsKey(name))
            {
                return new Tuple<bool, string>(false, "注册名称已存在");
            }
            else
            {
                SessionDic.Add(name, session);
                return new Tuple<bool, string>(true, "注册成功");
            }
        }

        /// <summary>
        /// 移除session
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public static Tuple<bool, string> RemoveSession(string name)
        {
            if (name == null)
            {
                return new Tuple<bool, string>(false, "注册名称非法");
            }
            SessionDic.Remove(name);
            return new Tuple<bool, string>(true, "移除成功");
        }
    }
}