using GalaSoft.MvvmLight.Messaging;
using Muchinfo.MTPClient.Adapter.Factory;
using Muchinfo.MTPClient.Data.Enums;
using Muchinfo.MTPClient.Infrastructure.LinkProxy.Enum;
using Muchinfo.MTPClient.Infrastructure.LinkProxy.TCP;
using System;
using Muchinfo.MTPClient.Infrastructure.Helpers;
using Muchinfo.MTPClient.NetworkCore;
using DatagramType = Muchinfo.MTPClient.Infrastructure.LinkProxy.Enum.DatagramType;

namespace Muchinfo.MTPClient.Infrastructure.LinkProxy
{
    public class LinkManagerParameters
    {
        public string TradeHost { get; set; }
        public int TradePort { get; set; }
        public string QuotationHost { get; set; }
        public int QuotationPort { get; set; }
        public LinkType TradeLinkeType { get; set; }
        public DatagramType TradeDatagramType { get; set; }

        /// <summary>
        /// GO服务地址
        /// </summary>
        public string GoCommonSearchUrl { get; set; }

        public string GuestQuotationHost { get; set; }
        public int GuestQuotationPort { get; set; }
    }

    public class LinkManager : IDisposable
    {
        #region Public Fields
        /// <summary>
        /// 链路参数
        /// </summary>
        public LinkManagerParameters Parameters { get; set; }

        /// <summary>
        /// 业务对象数据转换器
        /// </summary>
        /// <value>The biz adapter factory.</value>
        public AdapterFactory TradeAdapterFactory { get; private set; }

        /// <summary>
        /// Gets or sets the trade TCP link proxy.
        /// </summary>
        /// <value>The trade TCP link proxy.</value>
        public TradeTcpLinkProxy TradeTcpLinkProxy { get; set; }

        /// <summary>
        /// Gets or sets the Quote TCP link proxy.
        /// </summary>
        /// <value>The Quote TCP link proxy.</value>
        public QuoteTcpLinkProxy QuoteTcpLinkProxy { get; set; }

        /// <summary>
        /// 游客看行情地址
        /// </summary>
        public QuoteTcpLinkProxy GuestQuoteTcpLinkProxy { get; set; }

        #endregion

        #region Singalton
        private static LinkManager _instance;
        private static object _lock = new object();

        public static LinkManager Instance
        {
            get
            {
                if (null == _instance)
                {
                    lock (_lock)
                    {
                        if (null == _instance)
                        {
                            _instance = new LinkManager();
                        }
                    }
                }
                return _instance;
            }
        }

        private LinkManager() { }

        #endregion

        /// <summary>
        /// 链路初始化
        /// </summary>
        /// <param name="parameters">The parameters.</param>
        public void Initialize(LinkManagerParameters parameters)
        {
            Parameters = parameters;
            if (null == Parameters) return;

            switch (Parameters.TradeDatagramType)
            {
                case DatagramType.Protobuf:
                    TradeAdapterFactory = new ProtobufFactory();
                    break;
                case DatagramType.Json:
                    TradeAdapterFactory = new JsonFactory();
                    break;
            }
        }

        /// <summary>
        /// Creates the trade link.
        /// </summary>
        public void CreateTradeLink()
        {
            switch (Parameters.TradeLinkeType)
            {
                case LinkType.TCP:
                    if (TradeTcpLinkProxy != null)
                    {
                        TradeTcpLinkProxy.Dispose();
                    }
                    TradeTcpLinkProxy = new TradeTcpLinkProxy(Parameters.TradeHost, Parameters.TradePort);
                    break;
                default:
                    ////to do:
                    break;
            }
        }

        /// <summary>
        /// Creates the quotation link.
        /// </summary>
        public void CreateQuoteTcpLink()
        {
            if (QuoteTcpLinkProxy != null)
            {
                QuoteTcpLinkProxy.Dispose();
            }
            QuoteTcpLinkProxy = new QuoteTcpLinkProxy(Parameters.QuotationHost, Parameters.QuotationPort);
        }


        /// <summary>
        /// 创建游客行情连接地址
        /// </summary>
        public void CreateGuestQuoteTcpLink()
        {
            if (QuoteTcpLinkProxy != null)
            {
                QuoteTcpLinkProxy.Dispose();
            }
            GuestQuoteTcpLinkProxy = new QuoteTcpLinkProxy(Parameters.GuestQuotationHost, Parameters.GuestQuotationPort,true);
        }

        /// <summary>
        /// 获取行情链路
        /// </summary>
        /// <param name="isTradeLevel">是否是交易链路优先</param>
        /// <param name="sumType">商品类型</param>
        /// <returns></returns>
        public QuoteTcpLinkProxy SelectQuoteProxy(bool isTradeLevel, int sumType)
        {

            if ((sumType & (int) GoodsFromScr.Trade) > 0)
            {
                if (GuestQuoteTcpLinkProxy != null && GuestQuoteTcpLinkProxy.TcpConnectState==TCPConnectState.Connected && !isTradeLevel)
                {
                    return GuestQuoteTcpLinkProxy;
                }
                else
                {
                    return QuoteTcpLinkProxy;
                }
            }
            else
            {
                return GuestQuoteTcpLinkProxy;
            }
        }


        /// <summary>
        /// 执行与释放或重置非托管资源相关的应用程序定义的任务。
        /// </summary>
        public void Dispose()
        {
            ////停止断线重连
            StopReconnect();

            
            if (null != TradeTcpLinkProxy)
            {
                TradeTcpLinkProxy.Dispose();
                MessengerHelper.DefaultSend(false, MessengerTokens.TradeServerConnectMsg);
            }

            if (null != QuoteTcpLinkProxy)
            {
                QuoteTcpLinkProxy.Dispose();
                MessengerHelper.DefaultSend(false, MessengerTokens.QuoteServerStateChange);
            }
            if (null != GuestQuoteTcpLinkProxy)
            {
                GuestQuoteTcpLinkProxy.Dispose();
                MessengerHelper.DefaultSend(false, MessengerTokens.QuoteServerStateChange);
            }
        }

        public void DisposeWithOutGuestProxy()
        {
                ////停止断线重连
            StopReconnectWithoutGuest();
            if (null != TradeTcpLinkProxy)
            {
                TradeTcpLinkProxy.Dispose();
                MessengerHelper.DefaultSend(false, MessengerTokens.TradeServerConnectMsg);
            }

            if (null != QuoteTcpLinkProxy)
            {
                QuoteTcpLinkProxy.Dispose();
                MessengerHelper.DefaultSend(false, MessengerTokens.QuoteServerStateChange);
            }
        }

        /// <summary>
        /// 启动断线重连
        /// </summary>
        public void StartReconnect()
        {
            if (null != TradeTcpLinkProxy) TradeTcpLinkProxy.SetReconnectFlag(true);
            if (null != QuoteTcpLinkProxy) QuoteTcpLinkProxy.SetReconnectFlag(true);
            if (null != GuestQuoteTcpLinkProxy) GuestQuoteTcpLinkProxy.SetReconnectFlag(true);
        }

        /// <summary>
        /// 停止断线重连
        /// </summary>
        public void StopReconnect()
        {
            if (null != TradeTcpLinkProxy) TradeTcpLinkProxy.SetReconnectFlag(false);
            if (null != QuoteTcpLinkProxy) QuoteTcpLinkProxy.SetReconnectFlag(false);
            if (null != GuestQuoteTcpLinkProxy) GuestQuoteTcpLinkProxy.SetReconnectFlag(false);
        }

        /// <summary>
        /// 停止断线重连
        /// </summary>
        public void StopReconnectWithoutGuest()
        {
            if (null != TradeTcpLinkProxy) TradeTcpLinkProxy.SetReconnectFlag(false);
            if (null != QuoteTcpLinkProxy) QuoteTcpLinkProxy.SetReconnectFlag(false);
            
        }
    }
}