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

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Threading;

namespace bib_talk
{
    public partial class MainWindow : Window
    {
        private DispatcherTimer _timer;
        public string loggedinUser;
        private bool isFirstLoad = true;

        public MainWindow()
        {
            InitializeComponent();
            InitializeTimer();
            LoadData();
        }

        public MainWindow(string user)
        {
            loggedinUser = user;
            InitializeComponent();
            InitializeTimer();
            LoadData();
            LoadMessages();
        }

        private void InitializeTimer()
        {
            _timer = new DispatcherTimer
            {
                Interval = TimeSpan.FromSeconds(2)
            };
            _timer.Tick += (sender, e) => { LoadMessages(); LoadOnlineUsers(); };
            _timer.Start();
        }
        public void LoadData()
        {
            loggedinuser.Text = "Logged in as: " + loggedinUser;
        }

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

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

        private async void LoadMessages()
        {
            using (var client = new HttpClient())
            {
                var response = await client.GetAsync("http://daddypig.dns.navy:5114/api/messages/get");
                if (response.IsSuccessStatusCode)
                {
                    var responseContent = await response.Content.ReadAsStringAsync();
                    var messages = JsonConvert.DeserializeObject<List<Message>>(responseContent);
                    chatlistbox.ItemsSource = messages;
                    if (chatlistbox.Items.Count > 0)
                    {
                        var lastItem = chatlistbox.Items[chatlistbox.Items.Count - 1];
                        chatlistbox.ScrollIntoView(lastItem);
                    }
                }
            }
        }

        private async void send_Click(object sender, RoutedEventArgs e)
        {
            if (!string.IsNullOrEmpty(messageBOX.Text))
            {
                var message = new MessageDto
                {
                    Username = loggedinUser,
                    Message = messageBOX.Text,
                    Timestamp = DateTime.Now,
                };

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

                    if (response.IsSuccessStatusCode)
                    {
                        messageBOX.Clear();
                        LoadMessages(); // Reload messages after sending
                    }
                }
            }
        }
        private async void LogoutUser()
        {
            using (var client = new HttpClient())
            {
                var logoutData = new { Username = loggedinUser, Password = "", Email = "", Birthday = "", IsOnline = "" };
                var json = JsonConvert.SerializeObject(logoutData);
                var content = new StringContent(json, Encoding.UTF8, "application/json");

                var response = await client.PostAsync("http://daddypig.dns.navy:5114/api/users/logout", content);

                var responseContent = await response.Content.ReadAsStringAsync();

                    this.Close();
            }
        }
        private async void LoadOnlineUsers()
        {
            using (var client = new HttpClient())
            {
                var response = await client.GetAsync("http://daddypig.dns.navy:5114/api/users/online-users");
                if (response.IsSuccessStatusCode)
                {
                    var responseContent = await response.Content.ReadAsStringAsync();
                    var onlineUsers = JsonConvert.DeserializeObject<List<User>>(responseContent);
                    onlineUsersListBox.ItemsSource = onlineUsers;
                }
            }
        }
    }

    public class Message
    {
        public int Id { get; set; }
        public string Username { get; set; }
        public string Text { get; set; }
        public DateTime Timestamp { get; set; }
    }

    public class MessageDto
    {
        public string Username { get; set; }
        public string Message { get; set; }
        public DateTime Timestamp { get; set; }
    }
    public class User
    {
        public int Id { get; set; }
        public string Username { get; set; }
        public string Password { get; set; }
        public string Email { get; set; }
        public string Birthday { get; set; }
        public string IsOnline { get; set; }
    }


}