using SuperSocket.ClientEngine;
using SuperSocket.ProtoBase;
using System;
using System.Linq;
using System.Net;
using ET;

namespace ET.Server
{
    [FriendOf(typeof(FastStreamComponent))]
    public static class FastStreamComponentSystem
    {
        public class FastStreamComponentAwakeSystem : AwakeSystem<FastStreamComponent>
        {
            protected override void Awake(FastStreamComponent self)
            {
                FastStreamComponent.Instance = self;

                var client = new EasyClient();
                self.FastStreamClient = client;
                client.Initialize<FastStreamBuffer>(new FastStreamMessageDecoder(FastStreamMessageDecoder.LEN_HEAD), (package) => { OnSessionDataReceived(package); });
                client.NoDelay = true;
                client.ReceiveBufferSize = 10* 1024 * 1024;

                client.Connected += new EventHandler(OnSessionConnected);
                client.Error += new EventHandler<ErrorEventArgs>(OnSessionError);
                client.Closed += new EventHandler(OnSessionClosed);

                //IPAddress ipAddress = Dns.GetHostAddresses("localhost")[0];
                IPAddress ip = IPAddress.Parse("127.0.0.1");
                IPEndPoint endpoint = new IPEndPoint(ip, 3370);
                client.ConnectAsync(endpoint);
            }
        }

        public class FastStreamComponentDestroySystem : DestroySystem<FastStreamComponent>
        {
            protected override void Destroy(FastStreamComponent self)
            {
                Log.Info($"Ice component destroyed");
                self.FastStreamClient?.Close();
                self.FastStreamClient = null;
            }
        }

        //===component扩展=============
        public static void SendData(this FastStreamComponent self, string key, byte[] value)
        {
            ByteBuffer buff = ByteBuffer.Allocate(2048, true);
            buff.WriteShort((short)key.Length);
            buff.WriteInt(value.Length);
            buff.WriteBytes(key.ToUtf8());
            buff.WriteBytes(value);
            self.FastStreamClient.Send(new ArraySegment<byte>(buff.GetBuffer(), 0, buff.ReadableBytes));
        }
        //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

        private static void OnSessionConnected(object sender, EventArgs e)
        {
            Log.Debug("fast stream session connected");
            FastStreamComponent.Instance.SendData("connetorId", ("bs-" + Global.GameServerId.ToString()).ToUtf8());
        }

        private static void OnSessionDataReceived(FastStreamBuffer pack)
        {
            var usrid = (long)pack.Key;
            var data = pack.Data;
            //Log.Debug($"receive fast stream data, uid({usrid}), msglen:{data.Length}");

            //找到此unit对应的Player（id相同）
            var player = PlayerComponentSystem.SearchAll(usrid);
            if(player != null )
            {
                var gatemap = player.GetComponent<GateMapComponent>();
                if(gatemap == null)
                {
                    Log.Error($"player({usrid}) not entermap");
                    return;
                }

                var unitcomponet = gatemap.Scene.GetComponent<UnitComponent>();
                var unit = unitcomponet.GetChild<Unit>(usrid);
                if(unit != null)
                {
                    MessageHelper.SendToClient(unit, new BattleEventPush() { key = (ushort)BattlePushCnst.FastStreamPush, data = data});
                }
                else
                {
                    Log.Error($"unit({usrid}) not exist @scene");
                }
            }
            else
            {
                Log.Error($"Not found player({usrid}) @faststream data");
                return;
            }
        }

        private static void OnSessionError(object sender, ErrorEventArgs e)
        {
            Log.Warning("fast stream session error");

            var self = FastStreamComponent.Instance;
            //TODO: ReConnect战斗服
        }

        private static void OnSessionClosed(object sender, EventArgs e)
        {
            Log.Warning("fast stream session closed");
            //TODO: ReConnect战斗服
        }
    }

    
}