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;


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)
        {
            PropertyChangedEventHandler? handler = PropertyChanged;
            if (handler != null)
            {
                handler(this, new PropertyChangedEventArgs(UpdateName));
            }
        }
        private string? _LoginMsg;
        public string UserName { get; set; } = "";
        public string UserPassword { get; set; } = "";
        public string? LoginMsg
        {
            get { return _LoginMsg; }
            set
            {
                _LoginMsg = value;
                Update("LoginMsg");
            }
        }
        private void Login_Click(object sender, RoutedEventArgs e)
        {
            if (UserName == "")
            {
                LoginMsg = "用户名不能为空";
            }
            else if (UserPassword == "")
            {
                LoginMsg = "密码不能为空";
            }
            else
            {
                var LoginData = new
                {
                    type = "login",
                    username = UserName,
                    password = UserPassword
                };
                string LoginLsonData = JsonSerializer.Serialize(LoginData);
                byte[] dataBytes = Encoding.UTF8.GetBytes(LoginLsonData);
                MainWindow.Client.Send(dataBytes);
            }
        }
    }
}