using CommonLang;
using System;
using System.IO;
using System.Collections.Generic;
using CommonAI.Zone.ZoneEditor;
using CommonLang.Log;
using CommonAI.Zone.Attributes;
using CommonAI;
using CommonAI.ZoneClient;
using System.Threading;

namespace Pomelo.DotNetClient.NetClient
{
    public interface INetClient
    {
        EditorTemplates DataRoot { get; }
        void SendBattleMessage(CommonAI.Zone.Action action);
    }

    public abstract class BaseNetClient<GATE, GAME, BATTLE> : IDisposable, INetClient
        where GATE : PomeloClient
        where GAME : PomeloClient
        where BATTLE : BaseBattleClient
    {
        public GATE GateSocket { get; private set; }
        public GAME GameSocket { get; private set; }
        public BATTLE BattleClient { get; protected set; }
        public CommonAI.ZoneClient.ZoneActor BattleActor { get { if (BattleClient != null) { return BattleClient.Actor; } return null; } }

        public abstract EditorTemplates DataRoot { get; }

        protected readonly Logger log;
        protected readonly List<object> mUnhandledList = new List<object>();
        protected BATTLE NextBattleClient;
        protected SynchronizedBattleCodec mBattleCodec;

        //协同类任务列表//
        private readonly SyncMessageQueue<Action> mTasks = new SyncMessageQueue<Action>();

        public BaseNetClient(GATE gate, GAME game)
        {
            this.log = LoggerFactory.GetLogger(GetType().Name);
            this.GateSocket = gate;
            this.GameSocket = game;
            this.GameSocket.NetWorkHandlePushImmediately += notify_OnBattleMessageReceivedImmediately;
            //this.QueueTask(InitCodec);
            InitCodec();
        }

        public void InitCodec()
        {
            if (this.DataRoot != null && this.DataRoot.Templates != null)
            {
                this.mBattleCodec = new SynchronizedBattleCodec(this.DataRoot.Templates);
            }
        }

        //-------------------------------------------------------------------------------------------------
        #region _主动调用_

        /// <summary>
        /// 提交一个任务让主线程处理，协同程序
        /// </summary>
        /// <param name="action"></param>
        public void QueueTask(Action action)
        {
            mTasks.Enqueue(action);
        }

        public void UpdateSocket(float delTime)
        {
            mTasks.ProcessMessages((act) => { act.Invoke(); });
            this.GateSocket.update(delTime);
            this.GameSocket.update(delTime);
        }

        public void DoUpdateSend()
        {
            this.GateSocket.DoSendUpdate();
            this.GameSocket.DoSendUpdate();
        }

        public void UpdateBattleClient(int intervalMS)
        {
            if (BattleClient != null)
            {
                BattleClient.BeginUpdate(intervalMS);
                BattleClient.Update();
            }
        }

        public void CreateNextBattleClient()
        {

            this.NextBattleClient = CreateBattle();
        }

        public void Disconnect()
        {
            log.Debug("====socket ==BaseNetClient== Disconnect");
            try
            {
                ClearBattle();
            }
            catch (Exception err)
            {
                log.Error(err.Message, err);
            }
            if (this.GateSocket.IsConnected)
            {
                try
                {
                    this.GateSocket.disconnect();
                }
                catch (Exception err)
                {
                    log.Error(err.Message, err);
                }
            }
            if (this.GameSocket.IsConnected)
            {
                try
                {
                    this.GameSocket.disconnect();
                }
                catch (Exception err)
                {
                    log.Error(err.Message, err);
                }
            }
        }

        public void Dispose()
        {
            this.mOnBeginEnterScene = null;
            this.mOnEnterScene = null;
            this.mOnLeaveScene = null;
            this.mOnBattlePlayerReady = null;

            this.Disconnect();
            try
            {
                this.GateSocket.Dispose();
            }
            catch (Exception err)
            {
                log.Error(err.Message, err);
            }
            try
            {
                this.GameSocket.Dispose();
            }
            catch (Exception err)
            {
                log.Error(err.Message, err);
            }
        }

        #endregion
        //-------------------------------------------------------------------------------------------------
        #region _Events_

        private Action<BATTLE> mOnBeginEnterScene;
        private Action<BATTLE> mOnEnterScene;
        private Action<BATTLE> mOnLeaveScene;
        private Action<CommonAI.ZoneClient.ZoneLayer, CommonAI.ZoneClient.ZoneActor> mOnBattlePlayerReady;

        [EventTriggerDescAttribute("BattleClient已创建，一般用于开始加载场景操作，场景加载完毕，调用GameSocket.Invoke_ChangeScene")]
        public event Action<BATTLE> OnBeginEnterScene { add { mOnBeginEnterScene += value; } remove { mOnBeginEnterScene -= value; } }
        [EventTriggerDescAttribute("当单位已经进入场景时触发【角色已经进入战斗服】")]
        public event Action<BATTLE> OnEnterScene { add { mOnEnterScene += value; } remove { mOnEnterScene -= value; } }
        [EventTriggerDescAttribute("当单离开场景时触发【收到PlayerLeaveScene】")]
        public event Action<BATTLE> OnLeaveScene { add { mOnLeaveScene += value; } remove { mOnLeaveScene -= value; } }

        [EventTriggerDescAttribute("玩家单位已准备完毕【确保战斗服和游戏服可操作】")]
        public event Action<CommonAI.ZoneClient.ZoneLayer, CommonAI.ZoneClient.ZoneActor> OnBattlePlayerReady { add { mOnBattlePlayerReady += value; } remove { mOnBattlePlayerReady -= value; } }

        #endregion
        //-------------------------------------------------------------------------------------------------
        #region _Request Http_

        /// <summary>
        /// HTTP同步请求.
        /// </summary>
        /// <param name="url"></param>
        /// <param name="args"></param>
        /// <returns></returns>
        public string RequestHttpPost(string url, Dictionary<string, string> args)
        {
            string requestUrl = url + '?';
            foreach (KeyValuePair<string, string> arg in args)
            {
                requestUrl += arg.Key + '=' + arg.Value + '&';
            }
            requestUrl = requestUrl.Remove(requestUrl.Length - 1);
            System.Uri uri = new System.Uri(requestUrl);
            string result = CommonNetwork.Http.WebClient.Post(uri);
            return result;
        }

        /// <summary>
        /// HTTP异步请求.
        /// </summary>
        /// <param name="url"></param>
        /// <param name="args"></param>
        /// <param name="handler"></param>
        public void RequestHttpPostAsync(string url, Dictionary<string, string> args, CommonNetwork.Http.HttpPostHandler handler)
        {
            string requestUrl = url + '?';
            foreach (KeyValuePair<string, string> arg in args)
            {
                requestUrl += arg.Key + '=' + arg.Value + '&';
            }
            requestUrl = requestUrl.Remove(requestUrl.Length - 1);
            System.Uri uri = new System.Uri(requestUrl);
            CommonNetwork.Http.WebClient.PostAsync(uri, System.Text.Encoding.UTF8, (string result) =>
            {
                if (handler != null)
                {
                    QueueTask(() =>
                    {
                        handler.Invoke(result);
                    });
                }
            });
        }

        #endregion
        //-------------------------------------------------------------------------------------------------
        #region _BattleClient_

        public abstract BATTLE CreateBattle();
        
        public virtual void ClearBattle()
        {
            if (this.NextBattleClient != null)
            {
                this.NextBattleClient.Dispose();
                this.NextBattleClient = null;
            }
            mUnhandledList.Clear();
        }

        public abstract void SendBattleMessage(CommonAI.Zone.Action action);

        /// <summary>
        /// ChangeAreaPush 或 BindPlayer 后回调
        /// 进入战斗场景开始.
        /// </summary>
        public void BattleClientInitBegin()
        {
            if (this.BattleClient != null)
            {
                this.BattleClient.Dispose();
                this.BattleClient = null;
            }
            if (NextBattleClient == null)
            {
                BattleClient = this.CreateBattle();
            }
            else
            {
                BattleClient = NextBattleClient;
            }
            NextBattleClient = null;
            if (mUnhandledList.Count > 0)
            {
                foreach (var msg in mUnhandledList)
                {
                    this.BattleClient.OnReceivedBattleMessage(msg as CommonLang.Protocol.IMessage);
                }
                mUnhandledList.Clear();
            }
            if (mOnBeginEnterScene != null)
            {
                mOnBeginEnterScene.Invoke(BattleClient);
            }
        }

        /// <summary>
        /// Request_EnterScene 回调
        /// 进入战斗场景完成.(客户端加载完成)
        /// </summary>
        public void BattleClientInitFinish()
        {
            if (BattleClient != null)
            {
                if (mOnEnterScene != null)
                {
                    mOnEnterScene.Invoke(BattleClient);
                }
                BattleClient.QueueTask(BattlePlayerReady);
            }
        }

        private void BattlePlayerReady(CommonAIClient.Client.AbstractBattle battle)
        {
            if (!battle.Layer.IsDesposed)
            {
                if (battle.Actor != null)
                {
                    if (mOnBattlePlayerReady != null)
                    {
                        mOnBattlePlayerReady.Invoke(battle.Layer, battle.Actor);
                    }
                }
                else
                {
                    BattleClient.QueueTask(BattlePlayerReady);
                }
            }
        }

        /// <summary>
        /// 战斗协议回调.（直接从网络线程回调）
        /// </summary>
        /// <param name="msg"></param>
        protected virtual bool notify_OnBattleMessageReceivedImmediately(string route, Stream msg)
        {
            //log.Debug("socket ===== notify_OnBattleMessageReceivedImmediately ThreadID: " + Thread.CurrentThread.ManagedThreadId);
            if (route == "area.playerPush.battleClearPush")
            {
                this.NextBattleClient = this.CreateBattle();
                if (mOnLeaveScene != null) { mOnLeaveScene.Invoke(BattleClient); }
                return true;
            }
            else if (route == "area.playerPush.battleEventPush")
            {
                object data;
                try
                {
                    if (mBattleCodec == null)
                    {
                        log.Error("decode err: mBattleCodec is null");
                        return false;
                    }
                    if (msg == null)
                    {
                        log.Error("decode err: msg is null!");
                        return false;
                    }
                    if (mBattleCodec.doDecode(msg, out data))
                    {
                        if (data is PlayerLeaveScene)
                        {
                            //this.NextBattleClient = this.CreateBattle();
                            //this.QueueTask(() => { if (mOnLeaveScene != null) { mOnLeaveScene.Invoke(BattleClient); } });
                        }
                        else
                        {
                            if (NextBattleClient != null || this.BattleClient == null)
                            {
                                mUnhandledList.Add(data);
                            }
                            else
                            {
                                this.BattleClient.OnReceivedBattleMessage(data as CommonLang.Protocol.IMessage);
                            }
                        }
                    }
                    else
                    {
                        log.Error("[doDecodeBin] error:" + msg.ToString());
                    }
                }
                catch (Exception err)
                {
                    log.Error("[doDecodeBin] error:" + err.Message, err);
                }
                return true;
            }
            return false;
        }


        #endregion
    }
}