using System;
using System.Collections.Generic;
using System.Text.Json;
using System.Text;
using TouchSocket.Core;
using TouchSocket.Sockets;
using SunlightAggregationManager.ViewModel;
using System.Security.Cryptography.Pkcs;

namespace SunlightAggregationManager.UserClass
{
    public class AsyncTcpServer
    {
        public class Person
        {
            public required string User { get; set; }
            public required string Password { get; set; }
            public required string IP { get; set; }
            public required string Terminal { get; set; }
            public required string Dat { get; set; }
        }
        public static TcpService service = new TcpService();
        public static async Task TcpMain(int port1 ,int port2)
        {
            NetFwManger.AllowPort(port1, "TCP");//开放7790端口
            NetFwManger.AllowPort(port2, "TCP");//开放7790端口
            //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
                Dictionary<string, object> myDictOff = new Dictionary<string, object>();
                myDictOff.Add("State", 15);
                myDictOff.Add("LastActionTime", DateTime.Now);
                myDictOff.Add("LastOfflineTime", DateTime.Now);
                myDictOff.Add("Note", "Offline");
                MainWindowViewModel.Updata_Memory(MainWindowViewModel._userData, "LinkID='" + client.Id + "'", myDictOff);
                Console.WriteLine("[Offline]IP[" + client.IP + "]ID["+ client.Id + "]");
                return EasyTask.CompletedTask; 
            };//有客户端断开连接
            service.Received = (client, e) =>{                
                string DAT = e.Memory.Span.ToString(Encoding.UTF8);
                try
                {
                    Person? deserializedPerson = JsonSerializer.Deserialize<Person>(DAT);

                    var _user = MainWindowViewModel.Selet_Memory(MainWindowViewModel._userData, "State", "User='" +
                        deserializedPerson?.User + "' and Password ='" + deserializedPerson?.Password + "'");
                    if (_user != null)
                    {
                        string _dat = _user?.ToString() ?? "0";
                        if (_dat != "99")
                        {
                            if (_dat == "20")
                            {//行为
                                Dictionary<string, object> myDict = new Dictionary<string, object>();
                                myDict.Add("LinkID", client.Id);
                                myDict.Add("LastLoginIP", deserializedPerson?.IP ?? client.IP);
                                myDict.Add("LastActionTime", DateTime.Now);
                                myDict.Add("Note", deserializedPerson?.Dat ?? "unknown");
                                MainWindowViewModel.Updata_Memory(MainWindowViewModel._userData, "User='" + deserializedPerson?.User + "'", myDict);

                                Console.WriteLine("[Log on]User[" + deserializedPerson?.User + "]Note[" + (deserializedPerson?.Dat ?? "unknown") + "]");
                            }
                            else
                            {//首次登录记录
                                Dictionary<string, object> myDict = new Dictionary<string, object>();
                                myDict.Add("State", 20);
                                myDict.Add("LinkID", client.Id);
                                myDict.Add("LastLoginIP", deserializedPerson?.IP ?? client.IP);
                                myDict.Add("LastLoginTime", DateTime.Now);
                                myDict.Add("LastLoginTerminal", deserializedPerson?.Terminal ?? "unknown device");
                                myDict.Add("LastActionTime", DateTime.Now);
                                myDict.Add("Note", deserializedPerson?.Dat ?? "unknown");
                                MainWindowViewModel.Updata_Memory(MainWindowViewModel._userData, "User='" + deserializedPerson?.User + "'", myDict);

                                Console.WriteLine("[Log on]User[" + deserializedPerson?.User + "]IP[" + deserializedPerson?.IP ?? client.IP +
                                    "]ID[" + client.Id + "]Terminal[" + (deserializedPerson?.Terminal ?? "unknown device") + "]");
                            }
                        }
                        else
                        {//停用账号关闭连接
                            client.SendAsync("Account Deactivated");
                            foreach (var item in AsyncTcpServer.service.Clients)
                            {
                                if (item.Id == client.Id)
                                {
                                    item.CloseAsync();

                                    //在断开连接后，释放对象。
                                    item.Dispose();
                                }
                            }
                        }
                    }
                    else
                    { //无效账号关闭连接
                        client.SendAsync("Invalid Account");
                        foreach (var item in AsyncTcpServer.service.Clients)
                        {
                            if (item.Id == client.Id)
                            {
                                item.CloseAsync();
                                item.Dispose();
                            }
                        }
                    }
                   
                }
                catch (Exception ex)
                {//错误
                    Console.WriteLine("Tcp:" + ex.ToString());
                    client.SendAsync("Target instruction parsing error manager will close connection");
                    foreach (var item in AsyncTcpServer.service.Clients)
                    {
                        if (item.Id == client.Id)
                        {
                            item.CloseAsync();
                            item.Dispose();
                        }
                    }
                }

                //string DAT = e.ByteBlock.Span.ToString(Encoding.UTF8).Substring(5);
                //string SYSDAT = "";// = e.ByteBlock.Span.ToString(Encoding.ASCII).Substring(5);
                // string SYSKEY = "";
                // if (DAT.Length >= 16) SYSKEY = DAT.Substring(0, 16);
                // if (DAT.Length > 16) SYSDAT = DAT.Substring(16);


                return EasyTask.CompletedTask;
            };

            await service.SetupAsync(new TouchSocketConfig()//载入配置
              //  .SetMaxBufferSize(1024 * 1024 * 100)
                //.SetMinBufferSize(1024 * 1024)
                .SetListenIPHosts(new IPHost[] { new IPHost(port1), new IPHost(port2) })//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("TCP Port:"+ port1.ToString());
            Console.WriteLine("TCP Port:"+ port2.ToString());
            Console.WriteLine("TCP SERVER:START");
        }
    }

    class MyTcpService : TcpService<MyTcpSessionClient>
    {
        protected override MyTcpSessionClient NewClient()
        {
            return new MyTcpSessionClient();
        }
    }

    class MyTcpSessionClient : TcpSessionClient
    {
        internal void SetDataHandlingAdapter(SingleStreamDataHandlingAdapter adapter)
        {
            base.SetAdapter(adapter);
        }
    }

    /// <summary>
    /// 此插件实现，按照不同端口，使用不同适配器。
    /// <list type="bullet">
    /// <item>7789端口:使用"**"结尾的数据</item>
    /// <item>7790端口:使用"##"结尾的数据</item>
    /// </list>
    /// </summary>
    internal class DifferentProtocolPlugin : PluginBase, ITcpConnectingPlugin, ITcpReceivedPlugin
    {
        public async Task OnTcpConnecting(ITcpSession client, ConnectingEventArgs e)
        {
            if (client is MyTcpSessionClient sessionClient)
            {
                if (sessionClient.ServicePort == 7789)
                {
                    sessionClient.SetDataHandlingAdapter(new TerminatorPackageAdapter("**"));
                }
                else
                {
                    sessionClient.SetDataHandlingAdapter(new TerminatorPackageAdapter("##"));
                }
            }

            await e.InvokeNext();
        }

        public async Task OnTcpReceived(ITcpSession client, ReceivedDataEventArgs e)
        {
            //如果是自定义适配器，此处解析时，可以判断e.RequestInfo的类型

            if (client is ITcpSessionClient sessionClient)
            {
                sessionClient.Logger.Info($"{sessionClient.GetIPPort()}收到数据，服务器端口：{sessionClient.ServicePort},数据：{e.Memory.Span.ToString(Encoding.UTF8)}");
            }

            await e.InvokeNext();
        }

    }
}