using Getf.Service.Transfer.Client.WinService.Entities;
using Getf.Service.Transfer.Client.WinService.Helpers;
using Newtonsoft.Json;
using SuperSocket.ClientEngine;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Reflection;
using System.Text;
using System.Threading;

namespace Getf.Service.Transfer.Client.WinService
{
	public class ClientService : IDisposable
	{
		LogHelper _LogHelper;

		private DateTime LastRecvTime = DateTime.Now;

		private readonly IDataHandler DataHandler;
		private TcpClient TcpClient;
		private readonly string Ip;
		private readonly int Port;
		private Thread HeartThread;
		private bool IsRetrying;

		public ClientService()
		{
			var serviceAddressInfo = ConfigurationManager.AppSettings["ServiceAddressInfo"].Split(':');
			Ip = serviceAddressInfo[0];
			Port = int.Parse(serviceAddressInfo[1]);

			var assemblyInfo = System.Configuration.ConfigurationManager.AppSettings["DataHandlerClassInfo"].Split(',');
			DataHandler = Assembly.Load(assemblyInfo[1]).CreateInstance(assemblyInfo[0]) as IDataHandler;
			_LogHelper = new LogHelper();
		}

		public void Start()
		{
			StartNewEasyClient();
			DoHeart();
		}

		private void DoDebug()
		{
			for (var i = 0; i < 5; i++)
			{
				Thread t = new Thread(() =>
				{
					while (true)
					{
						var r = GetRegisterEntity();
						r.Head.Type = 4;
						r.Data = new byte[100 * 1024 * 1024];
						Send(r.ToByte());
						Thread.Sleep(100);
					}
				});
				t.Start();
			}
		}

		private void StartNewEasyClient()
		{
			TcpClient = new TcpClient(Ip, Port, OnDataGeted, OnConnected, OnClosed, OnError);
		}

		private void OnDataGeted(TransInfo transInfo)
		{
			LastRecvTime = DateTime.Now;
			if (transInfo.Body == null)//心跳包
			{
				/*//应用已被注册 再试
				if (transInfo.TransResultInfo != null && transInfo.TransResultInfo.Code == -210)
				{
					Reconnect(null, null);
				}*/
				if (transInfo.TransResultInfo != null && transInfo.TransResultInfo.Message == "注册成功！")
				{
					_LogHelper.Info("注册成功");
					return;
				}
				else
				{
					if (transInfo.TransResultInfo != null && !String.IsNullOrWhiteSpace(transInfo.TransResultInfo.Message))
					{
						_LogHelper.Error("发生错误：" + transInfo.TransResultInfo.Message);
					}
				}
				return;
			}

			var transResult = DataHandler.HandlerData(transInfo);

			var r = GetRegisterEntity();
			r.Body = new TransBody()
			{
				Key = transInfo.Body.Key
			};
			r.Head.Type = 3;
			r.TransResultInfo = transResult.TransResultInfo;
			r.Data = transResult.Data;

			Send(r.ToByte());
		}

		private void OnConnected(object sender, EventArgs e)
		{
			IsRetrying = false;
			_LogHelper.Info("连接成功");
			Send(GetRegisterEntity().ToByte());
		}

		private void OnClosed(object sender, EventArgs e)
		{
			_LogHelper.Info("EasyClient.OnClosed");
			ReStart();
		}

		private void OnError(object sender, EventArgs e)
		{
			_LogHelper.Info("连接出错，原因为：" + ((ErrorEventArgs)e).Exception.Message);
			ReStart();
		}

		private void ReStart()
		{
			Thread.Sleep(5000);
			StartNewEasyClient();
		}



		private void DoHeart()
		{
#if DEBUG
			/*for (int i = 0; i < 100; i++)
			{
				var testThread = new Thread(() =>
				{
					while (true)
					{
						SendHeart();
					}
				});
				testThread.Start();
			}*/

#endif

			HeartThread = new Thread(() =>
			{
				while (true)
				{
					if ((DateTime.Now - LastRecvTime).TotalMinutes > 10)
					{
						_LogHelper.Error("超过一分钟没收到心跳包的反馈信息");
						TcpClient.HeartLost();
					}
					if (TcpClient.IsConnected)
					{
						SendHeart();
					}
					Thread.Sleep(5 * 1000);
				}
			});
			HeartThread.Start();
		}

		private void SendHeart()
		{
			var r = GetRegisterEntity();
			r.Head.Type = 4;
			Send(r.ToByte());
		}

		private void Send(byte[] data)
		{
			if (!TcpClient.IsConnected) return;
			try
			{
				TcpClient.Send(data);
			}
			catch (Exception e)
			{
				_LogHelper.Error("发送错误原因为：" + e.Message);
			}
		}

		private TransInfo GetRegisterEntity()
		{
			var ts = TypeHelper.GetTimeStamp();
			var r = new TransInfo()
			{
				Head = new TransHead()
				{
					Type = 1,
					AppID = ConfigurationManager.AppSettings["AppID"],
					AppSecret = ConfigurationManager.AppSettings["AppSecret"],
					TimeStamp = ts,
					Sign = Md5Helper.Md5(ts + ConfigurationManager.AppSettings["Key"])
				}
			};
			return r;
		}

		public void Dispose()
		{
			TcpClient.Dispose();
		}
	}
}