using System;
using System.Collections.Generic;
using System.Data;
using System.Security.Cryptography.Pkcs;
using System.Text;
using System.Text.Json;
using System.Windows.Markup;
using System.Xml.Linq;
using TouchSocket.Core;
using TouchSocket.Sockets;
using static System.Runtime.InteropServices.JavaScript.JSType;

namespace ForwardingServer
{
    public class AsyncTcpServer
    {
        public class Personm
        {
            public required string SERVEREnterprise { get; set; }
            public required string SERVERMachineName { get; set; }
            public required string SERVERNAME { get; set; }
            public required string SERVERUSER { get; set; }
            public required string SERRVERPASWORD { get; set; }
            public required string MachineVer { get; set; }
        }
        public static TcpService service = new TcpService();
        public static async Task TcpMain()
        {
            //TcpService service = new TcpService();
            service.Connecting = (client, e) => { return EasyTask.CompletedTask; };//有客户端正在连接
            service.Connected = (client, e) => {return EasyTask.CompletedTask;};//有客户端成功连接
            service.Closing = (client, e) => {return EasyTask.CompletedTask; };//有客户端正在断开连接，只有当主动断开时才有效。
            service.Closed =  (client, e) => {
                //离线记录
                DataRow[] dat =  DATA.MachineTable.Select("ID='"+client.Id+"'");
                foreach (DataRow row in dat)
                {
                    DATA.MachineTable.Rows.Remove(row);
                }
                Console.WriteLine("[" + DateTime.Now.ToString("yyyy-MM-DD HH:mm:ss:fff") + "] NOT ID " + client.Id + " IP " + client.IP);

                return EasyTask.CompletedTask; 
            };//有客户端断开连接
            service.Received = (client, e) =>{                
                string DAT = e.Memory.Span.ToString(Encoding.UTF8);
                try
                {
                    if (DAT.Length > 5)
                    {
                    DataRow[] r_ = DATA.MachineTable.Select("ID='" + client.Id + "'");
                    if (r_.Length > 0)
                    {
                       int? s_ = r_.First().Field<int?>("Start");

                        if (s_ == 30)
                        {
                            if (DAT.StartsWith("{") || DAT.StartsWith("["))
                            {
                                DATA.Person deserializedPerson = JsonSerializer.Deserialize<DATA.Person>(DAT)!;
                                //转发逻辑
                                var dr = DATA.UserTable.Select("Terminal='" + deserializedPerson.Terminal + "'");
                                if (dr.Length > 0)
                                {
                                    DataRow drEmployee = dr.First();
                                    drEmployee.BeginEdit();
                                    drEmployee["RDAT"] = DAT;
                                    drEmployee.EndEdit();
                                    drEmployee.AcceptChanges();
                                }
                            }

                        }
                    }
                    else
                    {
                        Personm deserializedPerson = JsonSerializer.Deserialize<Personm>(DAT)!;
                        DATA.MachineTable.Rows.Add(client.Id, client.IP, 30, "/" + deserializedPerson.SERVEREnterprise,
                            deserializedPerson.SERVERMachineName, deserializedPerson.MachineVer); 
                            Console.WriteLine("["+DateTime.Now.ToString("yyyy-MM-DD HH:mm:ss:fff")+" [LINK ID " + client.Id + " IP " + client.IP + "]\nDATA =" + DAT);
                        }
                    }
                }
                catch (Exception ex)
                {//错误
                    Console.WriteLine("Tcp:" + ex.ToString());                   
                }

                return EasyTask.CompletedTask;
            };


            await service.SetupAsync(new TouchSocketConfig()//载入配置
                                                            //  .SetMaxBufferSize(1024 * 1024 * 100)
                                                            //.SetMinBufferSize(1024 * 1024)
                 .SetSingleStreamDataHandlingAdapter(() => new PeriodPackageAdapter())//以超时周期和包
                .SetListenIPHosts(new IPHost[] { new IPHost(7794), new IPHost(7795) })//同时监听两个地址
                .ConfigureContainer(a =>//容器的配置顺序应该在最前面
                {
                })
                .ConfigurePlugins(a =>
                {
                })
                );
            
            await service.StartAsync();//启动

            Console.WriteLine("TcpServer:Run");
        }  
      
    }      
}