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

using MultiDup;
internal class MultiDupServer : MonoSingleton<MultiDupServer>
{
    public enum State
    {
        /// <summary>
        /// 未连接,需要初始化(后自动连接)
        /// </summary>
        UnConnected = 0,
        /// <summary>
        /// 已连接, 需要登录
        /// </summary>
        Connected = 1,
        /// <summary>
        /// 已完成登录
        /// </summary>
        InLobby = 1,
        /// <summary>
        /// 已登录, 可以上报伤害以及自己的剩余血量
        /// </summary>
        InBattleRoom = 2,
        /// <summary>
        /// 离开房间, 不可以继续上报伤害和剩余血量
        /// </summary>
        Leaved = 3
    }


    TasPBSocketManager lobbySocket, battleSocket;    // 大厅/战斗 socket

    /// <summary>
    /// 当前状态
    /// </summary>
    public State CurrentState { get; private set; }



    /// <summary>
    /// 先初始化
    /// </summary>
    public void Init()
    {
        var ip = "192.168.10.17";
        if (GlobalConfig.netType == eNetType.Online || GlobalConfig.netType == eNetType.TestOnline)
        {
            var uri = "ylsjtt.game7000.com";
            IPHostEntry entry = Dns.GetHostEntry(uri);
            if (entry != null && entry.AddressList != null && entry.AddressList.Length > 0)
            {
                IPAddress addr = entry.AddressList[0]; //使用时使用AddressList[0]即可
                ip = addr.ToString();
            }
        }

        var port = 6004;                                         // 多人副本端口

        lobbySocket = new TasPBSocketManager();
        lobbySocket.Connect(ip, port);

        // 挂载 服务端消息回调处理函数
        MessageCenter.Instance.addObsever(eProtocalCommand.ScMdEnterLobby, On_EnterLobby); // 进入大厅返回此消息
        MessageCenter.Instance.addObsever(eProtocalCommand.ScMdGetRoomList, On_UpdateRoomList);
        MessageCenter.Instance.addObsever(eProtocalCommand.ScMdCreateRoom, On_CreateRoom);        // 创建房间成功  
        MessageCenter.Instance.addObsever(eProtocalCommand.ScMdEnterRoom, On_EnterRoom);
        MessageCenter.Instance.addObsever(eProtocalCommand.ScMdBeginDup, On_Start);
        MessageCenter.Instance.addObsever(eProtocalCommand.ScMdLeaveRoom, On_LeaveGame);

        lobbySocket.OnConnected = () => EnterLobby();

    }
    #region 向服务端发送消息

    public void EnterLobby()
    {

        if (CurrentState == State.UnConnected)
        {
            var p = UserProxy.Instance.player;
            var msg = new CS_MD_EnterLobby() { Uid = p.uid, Zoneid = p.zoneid };
            lobbySocket.SendMsg(eProtocalCommand.CsMdEnterLobby, msg);
            LogHelper.Log("多人副本,发送登录大厅请求");
        }
    }

    /// <summary>
    /// 拉取房间列表
    /// </summary>    
    public void GetRoomList(int mapId = 1)
    {
        UnityEngine.Debug.Assert(CurrentState == State.InLobby, $"当前状态不可以执行拉取房间列表操作,({CurrentState})");
        if (CurrentState == State.InLobby)
        {
            var p = UserProxy.Instance.player;
            var msg = new CS_MD_GetRoomList() { Uid = p.uid, Zoneid = p.zoneid };
            lobbySocket.SendMsg(eProtocalCommand.CsMdGetRoomList, msg);
            UnityEngine.Debug.Log("多人副本,发送拉取房间列表请求");
        }
    }
    /// <summary>
    /// 创建房间
    /// </summary>
    /// <param name="mapId">使用的地图编号</param>
    public void CreateRoom(int mapId = 1)
    {
        UnityEngine.Debug.Assert(CurrentState == State.InLobby, $"当前状态不可以执行创建房间操作,({CurrentState})");
        if (CurrentState == State.InLobby)
        {
            var p = UserProxy.Instance.player;
            var msg = new CS_MD_CreateRoom() { Uid = p.uid, Mapid = mapId, Zoneid = p.zoneid };
            lobbySocket.SendMsg(eProtocalCommand.CsMdCreateRoom, msg);
            UnityEngine.Debug.Log("多人副本,发送创建房间请求");
        }
    }
    /// <summary>
    /// 进入房间
    /// </summary>
    /// <param name="roomId">房间编号</param>
    public void EnterRoom(int roomId = 1)
    {
        UnityEngine.Debug.Assert(CurrentState == State.InLobby, $"当前状态不可以执行加入房间操作,({CurrentState})");
        if (CurrentState == State.InLobby)
        {
            var p = UserProxy.Instance.player;
            var msg = new CS_MD_EnterRoom() { Uid = p.uid, RoomId = roomId, Zoneid = p.zoneid };
            lobbySocket.SendMsg(eProtocalCommand.CsMdEnterRoom, msg);
            UnityEngine.Debug.Log("多人副本,发送创建房间请求");
        }
    }
    /// <summary>
    /// 开始游戏
    /// </summary> 
    public void StartGame()
    {
        UnityEngine.Debug.Assert(CurrentState == State.InBattleRoom, $"当前状态不可以执行上报操作,({CurrentState})");
        if (CurrentState == State.InBattleRoom)
        {
            var p = UserProxy.Instance.player;
            var msg = new CS_MD_BeginDup() { Uid = p.uid, Zoneid = p.zoneid };
            lobbySocket.SendMsg(eProtocalCommand.CsMdBeginDup, msg);            // 这里应该切换使用战场socket发送消息


        }
    }



    /// <summary>
    /// 上报退出房间
    /// </summary>
    public void LeaveGame()
    {
        var p = UserProxy.Instance.player;
        var msg = new CS_MD_LeaveRoom() { Uid = p.uid, Zoneid = p.zoneid };
        battleSocket.SendMsg(eProtocalCommand.CsLeaveRoom, msg);               // 这里也是战场socket

    }

    #endregion

    #region 服务端消息回调

    public void On_EnterLobby(byte[] _data)
    {
        LogHelper.Log("进入大厅");
        CurrentState = State.InLobby;                                                    // 修改状态为处于大厅中 
    }

    /// <summary>
    /// 成功连接到大厅/从战场返回大厅主动查询
    /// </summary>
    /// <param name="_data"></param>
    public void On_UpdateRoomList(byte[] _data)
    {

        var msg = SC_MD_GetRoomList.Parser.ParseFrom(_data);
        LogHelper.Log($"最新房间列表:  {msg.RoomInfos.Count}");
        // todo : 转接客户端逻辑
        if (CurrentState == State.InLobby)
        {
            var lobby = new MultiDupProxy.LobbyInfo();

            msg.RoomInfos.ToList().ForEach(l =>
            // 倒腾着转移一下格式
            lobby.RoomList.Add(new MultiDupProxy.LobbyInfo.RoomInfo()
            {
                BattleServerAddress = l.Battleserver,
                MapId = l.Mapid,
                PlayerUids = l.PlayerUids.ToList(),
                RoomId = l.RoomId
            }));

            MultiDupProxy.Instance.Lobby = lobby;
            MultiDupProxy.Instance.__On_GetRoomListCallBack?.Invoke(lobby);

        }

    }
    /// <summary>
    /// 创建房间返回值
    /// </summary>
    /// <param name="_data"></param>
    public void On_CreateRoom(byte[] _data)
    {
        // 创建房间返回值
        var msg = SC_MD_CreateRoom.Parser.ParseFrom(_data);
        LogHelper.Log($"创建房间:  {msg.RoomId} .");
        // todo : 转接客户端逻辑
        MultiDupProxy.Instance.__On_CreateRoomCallBack?.Invoke(msg);  // 调用回调

    }
    /// <summary>
    /// 加入房间消息
    /// </summary>
    /// <param name="_data"></param>
    public void On_EnterRoom(byte[] _data)
    {
        var msg = SC_MD_EnterRoom.Parser.ParseFrom(_data);
        if (msg != null)
        {
            var p = UserProxy.Instance.player;
            if (msg.Uid == p.uid)
            {
                CurrentState = State.InBattleRoom;
                LogHelper.Log($"连接战斗服务器: {msg.Ip}:{msg.Port}.");
                MultiBattleProxy.Instance.Init(msg.Ip, msg.Port);
                LogHelper.Log($"您已成功进入房间: {msg.Mapid}.");
            }
            else
            {
                UnityEngine.Debug.Log($"{msg.Uid} 来了.");
            }
            MultiDupProxy.Instance.__On_EnterRoomCallback?.Invoke(msg);
        }
        else
        {
            LogHelper.Log($"加入房间消息解析失败");
        }
    }
    /// <summary>
    /// 开始副本战斗
    /// </summary>
    /// <param name="_data"></param>
    public void On_Start(byte[] _data)
    {
        // 多人副本开始战斗
        var msg = SC_MD_BeginDup.Parser.ParseFrom(_data);
        LogHelper.Log($"开始副本战斗:  {msg} .");

        MultiDupProxy.Instance.OnStartGame?.Invoke(msg);

        // todo : 转接客户端逻辑 
    }


    public void On_LeaveGame(byte[] _data)
    {
        var msg = SC_MD_LeaveRoom.Parser.ParseFrom(_data);
        LogHelper.Log($"玩家 {msg.Uid} 已经离开游戏!");    //   


        // todo:转接客户端逻辑 

    }

    public void _close()
    {
        MessageCenter.Instance.removeObserver(eProtocalCommand.ScMdGetRoomList, On_UpdateRoomList);  // 进入大厅返回此消息
        MessageCenter.Instance.removeObserver(eProtocalCommand.ScMdCreateRoom, On_CreateRoom);        // 创建房间成功  
        MessageCenter.Instance.removeObserver(eProtocalCommand.ScMdEnterRoom, On_EnterRoom);
        MessageCenter.Instance.removeObserver(eProtocalCommand.ScMdBeginDup, On_Start);
        MessageCenter.Instance.removeObserver(eProtocalCommand.ScMdLeaveRoom, On_LeaveGame);
        if (null != lobbySocket)
        {
            LogHelper.Log("销毁lobbySocket");
            lobbySocket.Close();
            lobbySocket = null;
        }

    }

    public void Update()
    {
        lobbySocket?.Update();
        //battleSocket?.Update();

    }

    private void OnDisable()
    {
        _close();
    }
    protected override void DoOnDestroy()
    {
        _close();
    }

    #endregion
}