bib_Talk_Chatprogramm/bibtalk/bib-talk/Login.xaml.cs

using Newtonsoft.Json;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows;

namespace bib_talk
{
    public partial class Login : Window
    {
        // Field to store logged in user
        public static string loggedInUser;

        public Login()
        {
            InitializeComponent();
        }

        private void DraggableArea_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (e.ButtonState == MouseButtonState.Pressed)
            {
                DragMove();
            }
        }

        private void CloseButton_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            RegisterWindow register = new RegisterWindow();
            register.Show();
            this.Close();
        }

        private void WeiterButton_Click(object sender, RoutedEventArgs e)
        {
            if (usernbox.Text != "" && passwordbox.Password != "")
            {
                LoginServer();
               
            }
        }

        private void passwordbox_PasswordChanged(object sender, RoutedEventArgs e)
        {
            if (usernbox.Text != "" && passwordbox.Password != "")
            {
                SolidColorBrush customBrush = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#FF6332A0"));
                weiterbutton.Foreground = Brushes.White;
                weiterbutton.Background = customBrush;
            }
            else
            {
                SolidColorBrush customBrush = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#FF323134"));
                weiterbutton.Foreground = Brushes.Gray;
                weiterbutton.Background = customBrush;
            }
        }

        private void Register_Click(object sender, RoutedEventArgs e)
        {
            RegisterWindow register = new RegisterWindow();
            register.Show();
            this.Close();
        }

        public async Task LoginServer()
        {
            string username = usernbox.Text;
            string password = passwordbox.Password;
            var loginData = new { Username = username, Password = password, Email = "", Birthday = "", IsOnline = ""};
            string json = JsonConvert.SerializeObject(loginData);

            using (var client = new HttpClient())
            {
                var content = new StringContent(json, Encoding.UTF8, "application/json");
                var response = await client.PostAsync("http://daddypig.dns.navy:5114/api/users/login", content);

                if (response.IsSuccessStatusCode)
                {
                    var responseContent = await response.Content.ReadAsStringAsync();
                    var responseData = JsonConvert.DeserializeObject<dynamic>(responseContent);
                    string loggedInUsername = responseData.username;
                    MainWindow mainWindow = new MainWindow(loggedInUsername);
                    mainWindow.Show();
                    this.Close();
                }
                else
                {
                    var responseContent = await response.Content.ReadAsStringAsync();
                    MessageBox.Show($"Login failed: {responseContent}");
                }
            }
        }

    }
}