using log4net;
using SuperSocket.SocketBase;
using SuperSocket.SocketBase.Protocol;
using SuperSocket.WebSocket;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SuperSocket.WebSocket.Protocol;

namespace POSV.WindowsService
{
    /// <summary>
    /// 自定义连接类
    /// </summary>
    public class WebSocketSessionEx : JsonWebSocketSession<WebSocketSessionEx>
    {
        private static NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();


        /// <summary>
        /// 客户端名称
        /// </summary>
        public string Name { get; set; }

        public new WebSocketServerEx AppServer
        {
            get { return (WebSocketServerEx)base.AppServer; }
        }

        /// <summary>
        /// 新连接 
        /// </summary>
        protected override void OnSessionStarted()
        {
            base.OnSessionStarted();

            var name = this.Path;
            if (!string.IsNullOrEmpty(name))
            {
                name = name.Substring(1);
            }
            this.Name = name;
            var result = SessionManager.AddSession(name, this);
            if (result.Item1)
            {
                logger.Info("["+ name + "]新用户连接到服务器了");

                this.Send("\n\rHello User");
            }
            else
            {
                logger.Error("[" + name + "]"+result.Item2);
                this.Close(CloseReason.ServerClosing);
            }

        }

        /// <summary>  
        /// 未知的Command  
        /// </summary>  
        /// <param name="requestInfo"></param>  
        protected override void HandleUnknownRequest(IWebSocketFragment requestInfo)
        {
            base.HandleUnknownRequest(requestInfo);

            this.Send("\n\r未知的命令");
        }

        /// <summary>  
        /// 捕捉异常并输出  
        /// </summary>  
        /// <param name="e"></param>  
        protected override void HandleException(Exception e)
        {
            logger.Error(e,"HandleException");
            this.Send("\n\r异常: {0}", e.Message);
        }

        /// <summary>  
        /// 连接关闭  
        /// </summary>  
        /// <param name="reason"></param>  
        protected override void OnSessionClosed(CloseReason reason)
        {
            base.OnSessionClosed(reason);

            var name = this.Path;
            if (!string.IsNullOrEmpty(name))
            {
                name = name.Substring(1);
            }
            this.Name = null;
            SessionManager.RemoveSession(name);

            logger.Info("["+ name + "]客户端断开了连接");
        }
        
    }
}