using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Net.Sockets;//socket库
using System.Net.Http;
using System.Net;
using System.IO;
using System;
using System.Security.Policy;
using log4net;
using log4net.Config;
using System.Text.Json;
using chatapi;
using System.Diagnostics;
using System.Windows.Interop;
using ControlzEx.Standard;
using System.ComponentModel;

[assembly: XmlConfigurator(ConfigFile = "config/log4net.config", Watch = true)]
namespace chatclient
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window, INotifyPropertyChanged
    {
        LoginWindow Login = new();
        static string? receive;
        public static string? UserName = null;
        private static readonly ILog log = LogManager.GetLogger(typeof(MainWindow));
        public static Socket? Client;
        public static readonly HttpClient HttpClient = new HttpClient();
        public event PropertyChangedEventHandler? PropertyChanged;
        private string? _Username;
        public string? Username
        {
            get { return _Username; }
            set
            {
                _Username = value;
                Update("Username");
            }
        }
        private void Update(string UpdateName)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(UpdateName));
        }
        public MainWindow()
        {
            InitializeComponent();
            this.DataContext = this;
            log.Info("Hello World!");
            this.Hide();
            Client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            try
            {
                log.Info($"连接服务器 {Server.ServerIP}:{Server.ServerPort} ");
                Client.Connect(Server.ServerIP, Server.ServerPort);
            }
            catch (Exception ex)
            {
                Client.Close();
                log.Error(ex);
            }
            Login.Show();
            Thread th = new Thread(Receive);
            th.Start();
        }

        static void Receive()
        {
            byte[] buffer = new byte[1024];
            try
            {
                while (true)
                {
                    int num = Client!.Receive(buffer);
                    if (num == 0) break;
                    if (Client.Poll(100, SelectMode.SelectRead) && Client.Available == 0 || !Client.Connected)
                    {
                        log.Error("连接已断开");
                        break;
                    }
                    receive = Encoding.UTF8.GetString(buffer, 0, num);
                    response(receive);
                }
            }
            catch (Exception ex)
            {
                log.Error(ex);
            }
            finally
            {
                Client?.Close();
            }
        }

        static void response(string msg)
        {
            log.Info($"收到服务器消息: {msg}");
            try
            {
                var Type = JsonSerializer.Deserialize<RegisterData>(msg);
                if (Type != null)
                {
                    var LoginResponse = JsonSerializer.Deserialize<LoginResultData>(msg);
                    if (Type.type == "login_1")
                    {
                        if (LoginResponse!.status == "success" && LoginResponse != null)
                        {
                            log.Info($"用户 {UserName} 登录成功");
                            Application.Current.Dispatcher.Invoke(() =>
                            {
                                var mainWindow = Application.Current.Windows.OfType<MainWindow>().FirstOrDefault();
                                if (mainWindow != null)
                                {
                                    mainWindow.Username = UserName;
                                    mainWindow.Show();
                                    var loginWindow = Application.Current.Windows.OfType<LoginWindow>().FirstOrDefault();
                                    loginWindow?.Close();
                                    mainWindow.Activate();
                                }
                            });
                        }
                        else if (LoginResponse != null)
                        {
                            log.Warn($"登录失败: {LoginResponse.message}\nMsg:{msg}");
                            var loginWindow = Application.Current.Windows.OfType<LoginWindow>().FirstOrDefault();
                            loginWindow!.LoginMsg = LoginResponse.message;
                        }
                    }
                    else if (Type.type == "login_0")
                    {
                        if (LoginResponse != null)
                        {
                            var loginWindow = Application.Current.Windows.OfType<LoginWindow>().FirstOrDefault();
                            loginWindow!.LoginMsg = LoginResponse.message;
                        }
                        else
                        {
                            var loginWindow = Application.Current.Windows.OfType<LoginWindow>().FirstOrDefault();
                            loginWindow!.LoginMsg = "服务器返回错误";
                        }
                    }
                }
            }
            catch (JsonException ex)
            {
                log.Error("JSON解析错误", ex);
            }
            catch (Exception ex)
            {
                log.Error("处理响应时发生错误", ex);
            }
        }
    }
}