using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Text;
using System.Text.Json;
using System.Text.RegularExpressions;
using System.Xml.Linq;
using TouchSocket.Core;
using TouchSocket.Http;
using TouchSocket.Http.WebSockets;
using TouchSocket.Sockets;


namespace ForwardingServer
{
    public class AsyncHttpServer
    {
        public static HttpService httpservice = new HttpService();
        
        public static async Task HttpMain()
        {
            await httpservice.SetupAsync(new TouchSocketConfig()//加载配置   
                .SetListenIPHosts(7791)   
                .ConfigureContainer(a =>   
                {          
                    a.AddConsoleLogger();  
                })   
                .ConfigurePlugins(a =>   
                {          
                    a.Add<MyHttpPlug1>();
          //default插件应该最后添加，其作用是
          //1、为找不到的路由返回404
          //2、处理 header 为Option的探视跨域请求。       
                    a.UseDefaultHttpServicePlugin();   
                }));          
            await httpservice.StartAsync();

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

        public class MyHttpPlug1 : PluginBase, IHttpPlugin
        {
            public async Task OnHttpRequest(IHttpSessionClient client, HttpContextEventArgs e)
            {
                #region HttpContext生命周期
                //var request = e.Context.Request;//http请求体
                var response = e.Context.Response;//http响应体
                #endregion

                var bodyString = await e.Context.Request.GetBodyAsync();

                //获取路径
                var URL = e.Context.Request.URL;

                try
                {
                    string dat;
                    DataRow[] rows = DATA.MachineTable.Select("Enterprise='/" + URL + "'");
                    if (rows.Length > 0)
                    {
                        string? s_ = rows.First().Field<string?>("ID")!;

                        if (s_ != null)
                        {
                            //   var deserialized = JsonSerializer.Deserialize<Dictionary<string, object>>(bodyString)!;

                            //  if (deserialized.TryGetValue("Terminal", out var val) && val != null) { }
                            // using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(10));

                            await AsyncTcpServer.service.SendAsync(s_, bodyString);

                            DATA.Person deserializedPerson = JsonSerializer.Deserialize<DATA.Person>(bodyString)!;

                            DATA.UserTable.Rows.Add(client.Id, client.IP, deserializedPerson.User, 
                                "", deserializedPerson.Terminal, "", "");

                            // 创建一个  秒的延时任务
                            Task delayTask = Task.Delay(15000);
                            // 创建一个监测任务，不断检查变量
                            Task monitorTask = Task.Run(async () =>
                            {
                                while (!(DATA.UserTable.Select("Terminal='" + deserializedPerson.Terminal + "'").
                                First().Field<string>("RDAT")!.Length > 1))
                                {
                                    await Task.Delay(500);
                                }
                            });
                            Task winner = await Task.WhenAny(delayTask, monitorTask);

                            DataRow[] dataRows = DATA.UserTable.Select("Terminal='" + deserializedPerson.Terminal + "'");
                            if (winner == monitorTask)
                            {
                                dat = dataRows.First().Field<string>("RDAT")!;
                            }
                            else { dat = "970"; }
                            foreach (DataRow row in dataRows)
                            {
                                DATA.UserTable.Rows.Remove(row);
                            }
                        }
                        else { dat = "999"; }
                    }
                    else
                    {
                        dat = "980";
                    }

                    e.Context.Response.Headers.Add("SUNLIGHT", "SUNLIGHT");
                    e.Context.Response.SetStatus(200, "success");
                    e.Context.Response.SetContent(Encoding.UTF8.GetBytes(dat.ToCharArray()));
                    await e.Context.Response.AnswerAsync();
                }
                catch (TimeoutException)
                {
                    Console.WriteLine("等待TCP服务端响应超时");
                }
                catch (Exception ex)
                {//错误
                    Console.WriteLine("Http:" + ex.ToString());
                    //client.SendAsync("Target instruction parsing error manager will close connection");                    
                }
                
                /* if (request.IsGet() && request.UrlEquals("/success"))
                 {
                     //直接响应文字
                     await response
                          .SetStatus(200, "success")
                          .FromText("Success")
                          .AnswerAsync();//直接回应
                     Console.WriteLine("处理/success");
                     return;
                 }

                 //无法处理，调用下一个插件
                 await e.InvokeNext();*/
            }
        }






       




    }
}