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

namespace ChatRoomServer.Main
{
	using System.Collections.Concurrent;
	using ChatRoomServer.Main.Room;
	using FSLib.Logs.Log4Net;
	using FSLib.Network.SuperSocket.Protocols.WebSocket;
	using FSLib.Network.SuperSocket.SocketBase;

	class ChatServer : WebSocketServer<ChatSession>
	{
		static ILog _log;
		static readonly object _lockObject = new object();

		static ChatServer()
		{
			FSLib.Logs.Log4NetBootStraper.Initialize("log4net.server.config", "Server");
			_log = GetLogger(typeof(ChatServer).Name);
		}

		ConcurrentDictionary<ChatSession, RoomContainer> _containers;
		ConcurrentDictionary<string, RoomContainer> _roomContainers;

		internal static ILog GetLogger(string name)
		{
			return LogManager.GetLogger("Server", name);
		}

		/// <summary>
		/// Called when [started].
		/// </summary>
		protected override void OnStarted()
		{
			base.OnStarted();

			NewDataReceived += ChatServer_NewDataReceived;
			NewSessionConnected += ChatServer_NewSessionConnected;
			NewMessageReceived += ChatServer_NewMessageReceived;
			NewRequestReceived += ChatServer_NewRequestReceived;
			SessionClosed += ChatServer_SessionClosed;
		}

		private void ChatServer_SessionClosed(ChatSession session, CloseReason value)
		{
			RoomContainer roomContainer;
			if (_containers.TryRemove(session, out roomContainer))
			{
				roomContainer.Remove(session);

				if (roomContainer.SessionCount == 0)
				{
					_roomContainers.TryRemove(roomContainer.Id, out roomContainer);
				}
			}
		}

		private void ChatServer_NewRequestReceived(ChatSession session, FSLib.Network.SuperSocket.Protocols.WebSocket.Protocol.IWebSocketFragment requestInfo)
		{
		}

		private void ChatServer_NewMessageReceived(ChatSession session, string value)
		{
		}

		private void ChatServer_NewSessionConnected(ChatSession session)
		{
			var cmd = session.Command;

			if (cmd == "room")
			{
				var roomid = session.Id;

				//TODO check roomid

				var roomCtx = _roomContainers.GetOrAdd(roomid, _ => new RoomContainer(_));
				_containers.AddOrUpdate(session, roomCtx);
				roomCtx.Add(session);

				
			}
			else
			{
				session.Close(CloseReason.ProtocolError);
			}
		}

		private void ChatServer_NewDataReceived(ChatSession session, byte[] value)
		{
			

		}
	}
}