using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
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.Shapes;
using System.Net.Sockets;
using System.IO;
using log4net;
using log4net.Config;
using System.Windows.Interop;
using chatapi;
using System.Runtime.CompilerServices;


namespace chatclient
{
    /// <summary>
    /// LoginWindow.xaml 的交互逻辑
    /// </summary>
    public partial class LoginWindow : Window, INotifyPropertyChanged
    {
        private static readonly ILog log = LogManager.GetLogger(typeof(LoginWindow));
        public LoginWindow()
        {
            InitializeComponent();
            this.DataContext = this;
        }
        public event PropertyChangedEventHandler? PropertyChanged;
        private void Update(string UpdateName)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(UpdateName));
        }
        public static string UserName { get; set; } = "";
        public static string UserPassword { get; set; } = "";
        public static string SignName { get; set; } = "";
        public static string SignPassword1 { get; set; } = "";
        public static string SignPassword2 { get; set; } = "";
        private string? _SignMsg;
        public string? SignMsg
        {
            get { return _SignMsg; }
            set
            {
                _SignMsg = value;
                Update("SignMsg");
            }
        }
        private bool _SaveAccount;
        public bool SaveAccount
        {
            get { return _SaveAccount; }
            set
            {
                _SaveAccount = value;
                Update("SaveAccount");
            }
        }
        private void Login_Click(object sender, RoutedEventArgs e)
        {
            if (UserName == "")
            {
                LoginMsg.Text = "用户名不能为空";
            }
            else if (UserPassword == "")
            {
                LoginMsg.Text = "密码不能为空";
            }
            else
            {
                var LoginData = new
                {
                    type = "login",
                    username = UserName,
                    password = UserPassword
                };
                string LoginJsonData = JsonSerializer.Serialize(LoginData);
                byte[] dataBytes = Encoding.UTF8.GetBytes(LoginJsonData);
                log.Info($"向服务器发送登录请求（UserName:{UserName}）");
                if (MainWindow.Client is not null)
                {
                    if (MainWindow.Client.Connected)
                    {
                        MainWindow.Client.Send(dataBytes);
                    }
                    else
                    {
                        try
                        {
                            log.Info("未连接服务器，尝试连接");
                            MainWindow.Client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                            MainWindow.Client.Connect("127.0.0.1", 5555);
                        }
                        catch (Exception ex)
                        {
                            log.Error(ex);
                            MainWindow.Client.Close();
                        }
                        finally
                        {
                            LoginMsg.Text = "服务器连接失败或已断开连接";
                        }
                    }
                }
            }
        }
        private void Sign_Click(object sender, RoutedEventArgs e)
        {
            if (SignName == "")
            {
                SignMsg = "用户名不能为空";
            }
            else if (SignPassword1 == "")
            {
                SignMsg = "密码不能为空";
            }
            else if (SignPassword2 == "")
            {
                SignMsg = "请再次确认密码";
            }
            else if (SignPassword1 != SignPassword2)
            {
                SignMsg = "两次密码输入不一致";
            }
            else
            {
                var SignData = new
                {
                    type = "register",
                    username = SignName,
                    password = SignPassword1
                };
                string SignJsonData = JsonSerializer.Serialize(SignData);
                byte[] dataBytes = Encoding.UTF8.GetBytes(SignJsonData);
                log.Info($"向服务器发送注册请求（UserName:{SignName}）");
                Update("LoginMsg");
                if (MainWindow.Client is not null)
                {
                    if (MainWindow.Client.Connected)
                    {
                        MainWindow.Client.Send(dataBytes);
                    }
                    else
                    {
                        try
                        {
                            log.Info("未连接服务器，尝试连接");
                            MainWindow.Client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                            MainWindow.Client.Connect("127.0.0.1", 5555);
                        }
                        catch (Exception ex)
                        {
                            log.Error(ex);
                            MainWindow.Client.Close();
                        }
                        finally
                        {
                            SignMsg = "服务器连接失败或已断开连接";
                        }
                    }
                }
            }
        }
    }
}