using System;
using Vinno.IUS.Common.Log;
using Vinno.IUS.Common.Network.Leaf;
using Vinno.IUS.Common.Network.Tcp;
using Vinno.IUS.Common.Network.Transfer;
using Vinno.vCloud.Protocol.Infrastructures;
using Vinno.vCloud.Protocol.Messages.Client;
using Vinno.vCloud.Protocol.Messages.Rtc;

namespace Vinno.vCloud.Common.FIS.LiveVideos
{
    class RtcTerminalClient : IDisposable
    {

        private ClientLeaf _clientLeaf;
        private ConnectionChecker _connectionKeeper;

        /// <summary>
        /// Disconnected with chat
        /// </summary>
        public event EventHandler<string> Disconnected;
        /// <summary>
        /// Chat room id = chat table id
        /// </summary>
        public string ChatRoomId { get; }

        public bool ClientIsOnline => _clientLeaf == null?false: _clientLeaf.Online;


        public RtcTerminalClient(string url, string roomId)
        {
            ChatRoomId = roomId;

            var tcpCreator = new TcpCreator(url);
            Logger.WriteLineInfo($"RtcTerminalClient:{tcpCreator.Url}");
            _clientLeaf = new ClientLeaf(new LeafIdContext(), LeafMode.Dual, tcpCreator);
            if (!_clientLeaf.Online)
            {
                _clientLeaf.Close();
                throw new Exception("RtcClient not connect");
            }
            _connectionKeeper = new ConnectionChecker(_clientLeaf,5);
            _connectionKeeper.Offlined += OnOfflined;
            _connectionKeeper.Start();
        }

        public void NotifyServerJoinRoomSuccess(string roomId, string accountId, AccountType accountType)
        {
            try
            {
                Logger.WriteLineInfo("RequestRtcChatLive Start");
                if(!_clientLeaf.Online)
                {
                    Logger.WriteLineError("RtcTerminalClient is not online");
                    return;
                }
                if (_clientLeaf.IsClosed)
                {
                    Logger.WriteLineError("RtcTerminalClient is Closed");
                    return;
                }

                using (var request = MessagePool.GetMessage<RtcChatRequest>())
                {
                    request.RoomId = roomId;
                    request.SubscriberId = accountId;
                    request.SubscriberType = accountType;
                    var result = _clientLeaf?.Send(request);
                    if (result != null)
                    {
                        var resultMessage = ResultMessage.Convert(result);
                        if (resultMessage != CCR.OK)
                        {
                            Logger.WriteLineError("RequestRtcChatLive Fail");
                        }
                        else
                        {
                            Logger.WriteLineInfo("RequestRtcChatLive Success");
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                Logger.WriteLineError($"RequestRtcChatLive error:{ex}");
            }
        }


        private void OnOfflined(object sender, EventArgs e)
        {
            Disconnected?.Invoke(sender, ChatRoomId);
        }

        public void Dispose()
        {
            if (_connectionKeeper != null)
            {
                _connectionKeeper.Offlined -= OnOfflined;
                _connectionKeeper.Stop();
                _connectionKeeper = null;
            }
            if (_clientLeaf != null)
            {
                _clientLeaf.Close();
                _clientLeaf = null;
            }
           // _platformManager.LivePlayManager.UnRegisterChatVideo();
        }
    }
}