using Fleck;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Kingo.PluginServiceInterface
{
    public class WebsocketHelper
    {

        private WebSocketServer webSocketServer;
        public IWebSocketConnection Conn
        {
            private get { return conn; }
            set
            {
                conn = value;
                if (!conns.ContainsKey(value.ConnectionInfo.Id.ToString()))
                    conns.Add(value.ConnectionInfo.Id.ToString(), value);
                conn.OnClose = () => { };
                conn.OnMessage = message =>
                {
                    if (string.IsNullOrEmpty(message.Trim()) == false)
                    {
                        //var result = CommandHelper.Exc(message);
                        //socket.Send(message + Environment.NewLine);
                    }
                    OnMessageCallback?.Invoke(message);
                };
            }
        }
        public Dictionary<string, IWebSocketConnection> conns = new Dictionary<string, IWebSocketConnection>();
        public static WebsocketHelper Instance { get; } = new WebsocketHelper();
        public Action<object> ConnectionCallback;
        public Action<object> OnMessageCallback;
        private IWebSocketConnection conn;

        private WebsocketHelper()
        {

        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="port"></param>
        public void Start(int port)
        {
            try
            {
                if (webSocketServer == null)
                {
                    webSocketServer = new WebSocketServer(string.Format("ws://0.0.0.0:{0}", port));
                }
                webSocketServer.Start(ConnectionCallback);
                //webSocketServer.Start(socket =>
                //{
                //    Conn = socket;
                //    //socket.OnOpen = () => Conn.Send("服务器已连接！");
                //    socket.OnClose = () => { };
                //    socket.OnMessage = message =>
                //    {
                //        if (string.IsNullOrEmpty(message.Trim()) == false)
                //        {
                //            //var result = CommandHelper.Exc(message);
                //            //socket.Send(message + Environment.NewLine);
                //        }
                //    };
                //});
            }
            catch { }

        }
        public void Send(string pMsg)
        {
            foreach (var item in conns.Keys)
            {
                if (conns[item] != null)
                {
                    if (conns[item].IsAvailable)
                    {
                        conns[item].Send(pMsg);
                    }
                }
            }
        }

        /// <summary>
        /// 
        /// </summary>
        public void Stop()
        {
            try
            {
                foreach (var item in conns.Keys)
                {
                    if (conns[item] != null)
                    {
                        conns[item].Close();
                    }
                }
                conns.Clear();
                //if (Conn != null)
                //    Conn.Close();
                //Conn = null;
                if (webSocketServer != null)
                {
                    webSocketServer.Dispose();
                }
            }
            catch { }
        }
    }
}