using HighWayIot.Log4net;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using TouchSocket.Core;
using TouchSocket.Sockets;

namespace HighWayIot.TouchSocket
{
    public class TcpClientServer
    {
        private static readonly Lazy<TcpClientServer> lazy = new Lazy<TcpClientServer>(() => new TcpClientServer());

        public static TcpClientServer Instance => lazy.Value;

        private static LogHelper logHelper = LogHelper.Instance;

        TcpClient tcpClient = new TcpClient();

        /// <summary>
        /// 字符串数组转换为int数组
        /// </summary>
        public Action<string[]> GetBinCode;

        public Action<string> GetString;

        /// <summary>
        /// 客户端状态获取
        /// </summary>
        public bool ClientState
        {
            get => tcpClient.Online;
        }

        /// <summary>
        /// 客户端连接
        /// </summary>
        /// <returns></returns>
        public async Task<bool> ClientConnect(string ip, string port)
        {
            try
            {
                if (!string.IsNullOrEmpty(tcpClient.IP))
                {
                    tcpClient.Connect();
                    tcpClient.Logger.Info("客户端成功连接");
                    return true;
                }
                tcpClient.Connecting = (client, e) =>
                {
                    return EasyTask.CompletedTask;
                };//即将连接到服务器，此时已经创建socket，但是还未建立tcp
                tcpClient.Connected = (client, e) =>
                {
                    return EasyTask.CompletedTask;
                };//成功连接到服务器
                tcpClient.Closing = (client, e) =>
                {
                    return EasyTask.CompletedTask;
                };//即将从服务器断开连接。此处仅主动断开才有效。
                tcpClient.Closed = (client, e) =>
                {
                    return EasyTask.CompletedTask;
                };//从服务器断开连接，当连接不成功时不会触发。
                tcpClient.Received = async (client, e) =>
                {
                    //从服务器收到信息。但是一般byteBlock和requestInfo会根据适配器呈现不同的值。
                    var mes = e.ByteBlock.Span.ToString(Encoding.UTF8);
                    logHelper.Info($"客户端接收到信息：{mes}");
                    if (await MessageAnalyzer(mes))
                    {
                        logHelper.Info("数据解析成功");
                    }
                    else
                    {
                        logHelper.Error("数据解析失败或者getinfo信号发送失败");
                    }
                };

                //载入配置
                await tcpClient.SetupAsync(new TouchSocketConfig()
                      .SetRemoteIPHost($"{ip}:{port}")
                      .ConfigureContainer(a =>
                      {
                          a.AddConsoleLogger();//添加一个日志注入
                      }));

                tcpClient.Connect();//调用连接，当连接不成功时，会抛出异常。

                tcpClient.Logger.Info("客户端成功连接");
                
                return true;
            }
            catch (Exception ex)
            {
                tcpClient.Logger.Info("客户端连接失败" + ex);
                return false;
            }
        }

        /// <summary>
        /// 接收数据分析
        /// </summary>
        /// <param name="mes"></param>
        /// <returns></returns>
        public async Task<bool> MessageAnalyzer(string mes)
        {
            try
            {
                if (mes.Contains("OK"))
                {
                    await Send("getinfo");
                }
                else
                {
                    //string[] binNoList = ClientStringAnalysis.GetInfoAnalyzer(mes);
                    GetString.Invoke(mes);
                }
                return true;
            }
            catch (ClientNotConnectedException ex)
            {
                logHelper.Error("发送数据发生错误" + ex);
                return false;
            }
            catch (OverlengthException ex)
            {
                logHelper.Error("发送数据发生错误" + ex);
                return false;
            }
            catch(Exception ex)
            {
                logHelper.Error("数据解析类发生错误" + ex);
                return false;
            }
        }

        /// <summary>
        /// 信息发送
        /// </summary>
        /// <param name="message"></param>
        /// <returns></returns>
        public async Task<bool> Send(string message)
        {
            try
            {
                await tcpClient.SendAsync(message);
                return true;
            }
            catch (Exception e)
            {
                logHelper.Error("发送数据发生错误" + e);
                return false;
            }
        }

        /// <summary>
        /// 客户端关闭
        /// </summary>
        /// <returns></returns>
        public async Task<bool> ClientClose()
        {
            try
            {
                await tcpClient.CloseAsync();
                return true;
            }
            catch(Exception e) 
            {
                logHelper.Error("关闭客户端发生错误" + e);
                return false;
            }
        }


    }
}