Error fixing with input validation

PrototypWPFHAG/App.xaml

@@ -2,7 +2,7 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:PrototypWPFHAG"
-             StartupUri="MainWindow.xaml">
+             StartupUri="SearchWindow.xaml">
     <Application.Resources>
 		<ResourceDictionary>
 			<ResourceDictionary.MergedDictionaries>

PrototypWPFHAG/MainWindow.xaml

@@ -28,10 +28,6 @@
                     <PasswordBox Width="170" Height="30" Margin="0,5,34,0" x:Name="PasswordTextBox"
                     PasswordChanged="PasswordTextBox_PasswordChanged"/>
 
-<<<<<<< HEAD
-                <!-- 登录按钮 -->
-                <Button Height="30" Width="100" Content="Log in" Margin="0,20,0,0" Click="LoginButton_Click" />
-=======
                     <!-- Textbox for visible password (hidden at default) -->
                     <TextBox Width="170" Height="30" Margin="0,5,34,0" x:Name="PasswordVisibleTextBox"
                     Visibility="Collapsed" IsReadOnly="True"/>
@@ -45,7 +41,6 @@
                 <!-- Login Button -->
                 <Button Height="30" Width="100" Content="Zur Suche" Margin="0,20,0,0" 
                         Click="loginButton_Click" IsDefault="True" />
->>>>>>> 1195250b98172d34b8c49b85a81c21d1f26cdbac
             </StackPanel>
         </Border>
     </Grid>

PrototypWPFHAG/MainWindow.xaml.cs

@@ -1,6 +1,4 @@
 using System.Data;
-using System.Runtime.InteropServices;
-using System.Security.Principal;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
@@ -25,14 +23,6 @@ public partial class MainWindow : MetroWindow
     public MainWindow()
     {
         InitializeComponent();
-<<<<<<< HEAD
-        //TestConnection();
-        //Console.ReadKey();
-
-    }
-
-    private static void TestConnection()
-=======
     }
 
     private void Window_Loaded(object sender, RoutedEventArgs e)
@@ -46,7 +36,6 @@ public partial class MainWindow : MetroWindow
     }
 
     private string ValidateUser(string username, string password)
->>>>>>> 1195250b98172d34b8c49b85a81c21d1f26cdbac
     {
         using (NpgsqlConnection con = GetConnection())
         {
@@ -79,15 +68,8 @@ public partial class MainWindow : MetroWindow
                 }
             }
         }
-<<<<<<< HEAD
-    }
-    private static NpgsqlConnection GetConnection()
-    {
-        return new NpgsqlConnection(@"Server=localhost;Port=7854;User Id=postgres;Database=postgres;");
-=======
 
         return "Erfolgreich";
->>>>>>> 1195250b98172d34b8c49b85a81c21d1f26cdbac
     }
 
     private void ShowPasswordButton_PreviewMouseDown(object sender, RoutedEventArgs e)

PrototypWPFHAG/SearchWindow.xaml

@@ -1,204 +1,153 @@
 <mah:MetroWindow xmlns:mah="http://metro.mahapps.com/winfx/xaml/controls"
-        x:Class="PrototypWPFHAG.SearchWindow"
-        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
-        xmlns:local="clr-namespace:PrototypWPFHAG"
-        Title="PDF-Verwaltung (Admin)" Height="600" Width="1000"
-        WindowTitleBrush="FireBrick"
-        Icon="pack://application:,,,/Images/databaseicon.png">
-    <Grid>
-        <!-- 左侧垂直布局 -->
-        <Grid.ColumnDefinitions>
-            <ColumnDefinition Width="56.527"/>
-            <ColumnDefinition Width="143.473"/>
-            <!-- 左侧固定宽度 -->
-            <ColumnDefinition Width="*"/>
-            <!-- 右侧占满剩余空间 -->
-        </Grid.ColumnDefinitions>
+                 x:Class="PrototypWPFHAG.SearchWindow"
+                 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                 xmlns:local="clr-namespace:PrototypWPFHAG"
+                 Title="PDF-Verwaltung (Admin)" 
+                 Height="600" Width="1000"
+                 MinWidth="800" MinHeight="500"
+                 WindowTitleBrush="FireBrick"
+                 Icon="pack://application:,,,/Images/databaseicon.png"
+                 ResizeMode="CanResizeWithGrip"
+                 WindowStartupLocation="CenterScreen">
 
-        <!-- 左侧区域 -->
-        <Border 
-            BorderBrush="FireBrick" 
-            BorderThickness="3" Padding="20" 
-            Grid.ColumnSpan="3"
-        />
+    <Border BorderBrush="FireBrick" BorderThickness="3">
+        <Grid>
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="500" MinWidth="400"/>
+                <ColumnDefinition Width="*"/>
+            </Grid.ColumnDefinitions>
 
-        <StackPanel 
-            Orientation="Vertical" 
-            Margin="10,10,772,10" 
-            Grid.ColumnSpan="3">
-            <Grid 
-                    Margin="0,0,0,10" 
-                    Height="85">
-                <Grid.ColumnDefinitions>
-                    <ColumnDefinition 
-                            Width="*"
-                        />
-                    <ColumnDefinition 
-                            Width="Auto"
-                        />
-                </Grid.ColumnDefinitions>
-                <Grid.RowDefinitions>
-                    <RowDefinition 
-                           Height="Auto"
-                    />
-                    <RowDefinition 
-                        Height="Auto"
-                    />
-                </Grid.RowDefinitions>
+            <!-- Linke Seite -->
+            <Border Grid.Column="0" Margin="10" Padding="10">
+                <Grid>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto"/>
+                        <!-- Drag & Drop -->
+                        <RowDefinition Height="Auto"/>
+                        <!-- Upload/Auswahl-Buttons -->
+                        <RowDefinition Height="Auto"/>
+                        <!-- Suchmodus -->
+                        <RowDefinition Height="Auto"/>
+                        <!-- Suchfeld -->
+                        <RowDefinition Height="*"/>
+                        <!-- Suchergebnisse -->
+                        <RowDefinition Height="Auto"/>
+                        <!-- Status -->
+                        <RowDefinition Height="Auto"/>
+                        <!-- Zurück-Button -->
+                    </Grid.RowDefinitions>
 
-                <Border 
-                    BorderBrush="Gray" 
-                    BorderThickness="1" 
-                    Margin="5,10,0,-85" Grid.Row="1">
-                    <Canvas   
-                        x:Name="PdfDropCanvas"
-                        Margin="5,0,0,-24" 
-                        Grid.RowSpan="2"
-                        AllowDrop="True"
-                        Background="Transparent"
-                        DragEnter="PdfDropCanvas_DragEnter"
-                        Drop="PdfDropCanvas_Drop">
+                    <!-- Drag & Drop Bereich -->
+                    <Border Grid.Row="0" Height="75" Margin="0,5"
+                            BorderBrush="Gray" BorderThickness="1">
+                        <Grid Background="Transparent" AllowDrop="True"
+                              DragEnter="PdfDropCanvas_DragEnter" 
+                              Drop="PdfDropCanvas_Drop">
+                            <TextBlock x:Name="DropHintText" Text="PDF hier rein ziehen" 
+                                       VerticalAlignment="Center" HorizontalAlignment="Center"/>
+                            <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                <Image x:Name="PdfIcon" Source="pack://application:,,,/Images/pdf-icon.png" 
+                                       Width="25" Height="25" Visibility="Collapsed"/>
+                                <TextBlock x:Name="PdfFileNameText" Margin="10" 
+                                           TextWrapping="Wrap" Visibility="Collapsed"/>
+                            </StackPanel>
+                        </Grid>
+                    </Border>
 
-                        <TextBlock
-                            x:Name="DropHintText"
-                            Text="PDF hier rein ziehen"
-                            HorizontalAlignment="Center"
-                            VerticalAlignment="Center"
-                            Foreground="Gray"
-                        />
+                    <!-- Upload/Auswahl-Buttons -->
+                    <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,10">
+                        <Button Content="PDF hochladen" 
+                                Width="210" Height="30"
+                                Background="LightGreen" 
+                                Click="UploadButton_Click"/>
 
-                        <!-- Vorschau-Elemente (unsichtbar, bis eine Datei abgelegt wird) -->
-                        <Image 
-                            x:Name="PdfIcon" 
-                            Source="pack://application:,,,/Images/pdf-icon.png" 
-                            Width="25" Height="25" 
-                            Margin="0,5,0,0"
-                            Visibility="Collapsed"
-                        />
-                        <TextBlock 
-                            x:Name="PdfFileNameText" 
-                            Margin="40,10,0,0" 
-                            Visibility="Collapsed"
-                        />
-                    </Canvas>
-                </Border>
+                        <Button Content="PDF auswählen" 
+                                Width="210" Height="30" Margin="40,0,0,0"
+                                Background="Firebrick" 
+                                Click="ChoosePdfButton_Click"/>
+                    </StackPanel>
 
+                    <!-- Suchmodus-Auswahl -->
+                    <StackPanel Grid.Row="2" Orientation="Horizontal" Margin="0,10">
+                        <RadioButton x:Name="SearchByIdRadio" 
+                                    Content="ID" 
+                                    Margin="5" 
+                                    IsChecked="True"/>
+                        <RadioButton x:Name="SearchByTextRadio" 
+                                   Content="Text" 
+                                   Margin="5"/>
+                    </StackPanel>
 
-            </Grid>
+                    <!-- Suchfeld -->
+                    <StackPanel Grid.Row="3" Margin="0,10">
+                        <TextBox x:Name="SearchTextBox" 
+                               Margin="0,0,0,5"
+                               HorizontalAlignment="Stretch"/>
+                        <Button Content="Suchen" 
+                              x:Name="SearchButton" 
+                              Height="30"
+                              HorizontalAlignment="Stretch"
+                              Click="SearchButton_Click"/>
+                    </StackPanel>
 
-            <!-- PDFField -->
-            <Grid Margin="0,0,0,10">
-                <Grid.ColumnDefinitions>
-                    <ColumnDefinition 
-                        Width="*"
-                    />
-                    <ColumnDefinition 
-                        Width="Auto"
-                    />
-                </Grid.ColumnDefinitions>
-                <Button 
-                    Content="PDF hochladen" 
-                    Width="auto" Height="30" 
-                    Margin="5,0,0,0" 
-                    Background="LightGreen"
-                    Click="UploadButton_Click"
-                />
+                    <!-- Suchergebnisse -->
+                    <ListBox Grid.Row="4" 
+                           x:Name="SearchResultsListBox" 
+                           Margin="0,10"
+                           DisplayMemberPath="DocumentName"
+                           ScrollViewer.VerticalScrollBarVisibility="Auto"
+                           SelectionMode="Extended"
+                           SelectionChanged="SearchResultsListBox_SelectionChanged"/>
 
-            </Grid>
+                    <!-- Status & Fortschritt -->
+                    <StackPanel Grid.Row="5" Orientation="Vertical" Margin="0,10">
+                        <TextBlock x:Name="UploadStatusText" TextAlignment="Center"/>
+                        <ProgressBar x:Name="UploadProgressBar" 
+                                   Height="10" 
+                                   Minimum="0" 
+                                   Maximum="100"
+                                   Visibility="Collapsed"/>
+                    </StackPanel>
 
-            <StackPanel Orientation="Horizontal" Margin="5,10">
-                <RadioButton x:Name="SearchByIdRadio" Content="ID" IsChecked="True"/>
-                <RadioButton x:Name="SearchByTextRadio" Content="Text" Margin="10,0"/>
-            </StackPanel>
+                    <!-- Zurück-Button -->
+                    <Button Grid.Row="6" 
+                          Content="Zurück zur Anmeldung" 
+                          Height="30" Margin="0,10"
+                          HorizontalAlignment="Stretch"
+                          Background="#ffd64f" 
+                          Click="BackToLogIn_Click"/>
+                </Grid>
+            </Border>
 
-            <TextBox 
-                x:Name="SearchTextBox"
-                Margin="5,0,0,0"
-            />
+            <!-- Rechte Seite -->
+            <Border Grid.Column="1" Margin="10">
+                <Grid>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="*"/>
+                        <RowDefinition Height="Auto"/>
+                    </Grid.RowDefinitions>
 
-            <Button 
-                Content="Suchen" 
-                x:Name="SearchButton" 
-                Click="SearchButton_Click" 
-                Margin="5,10,0,10"
-            />
+                    <Label Content="PDF-Inhalt:" Margin="0,0,0,5"/>
 
-            <!-- ListField -->
-            <ListBox 
-                x:Name="SearchResultsListBox" 
-                DisplayMemberPath="Filename"
-                Margin="5,0,0,0" 
-                ItemsSource="{Binding}"
-                SelectionMode="Extended"
-                SelectionChanged="SearchResultsListBox_SelectionChanged"
-            />
+                    <TextBox Grid.Row="1" 
+                           x:Name="ContentTextBox" 
+                           TextWrapping="Wrap" 
+                           AcceptsReturn="True"
+                           VerticalScrollBarVisibility="Auto" 
+                           HorizontalScrollBarVisibility="Auto"
+                           IsReadOnly="True"/>
 
-            <TextBlock 
-                x:Name="UploadStatusText" 
-                TextAlignment="Center" Margin="0,35,0,35" Height="27"
-            />
-
-            <ProgressBar 
-                x:Name="UploadProgressBar" 
-                Height="10" 
-                Minimum="0" Maximum="100"
-                Visibility="Collapsed"
-                Margin="0,20,0,0"
-            />
-            
-            <Button 
-                Content="Zurück zur Anmeldung" 
-                Click="BackToLogIn_Click"
-                Margin="5,10,0,0"
-                Height="30"
-                Background="#ffd64f"
-            />
-
-        </StackPanel>
-
-        <!-- 右侧区域 -->
-        <Grid 
-            Grid.Column="2" 
-            Margin="60,10,10,10">
-
-            <Label 
-                Content="PDF-Inhalt:" 
-                HorizontalAlignment="Left" 
-                Margin="0,2,0,8"
-            />
-
-            <ScrollViewer 
-                x:Name="ContentScrollViewer" 
-                Margin="0,0,0,35"
-                VerticalScrollBarVisibility="Auto"
-                HorizontalScrollBarVisibility="Auto">
-
-                <TextBox 
-                    x:Name="ContentTextBox" 
-                    Text="{Binding SelectedDocument.Content}"
-                    IsReadOnly="True"
-                    TextWrapping="Wrap"
-                    AcceptsReturn="True"
-                    VerticalScrollBarVisibility="Auto"
-                    HorizontalScrollBarVisibility="Auto"
-                    Margin="5,25, 0, 35"
-                    Height="Auto"
-                    MinHeight="494"
-                />
-
-            </ScrollViewer>
-
-            <!-- 删除按钮 -->
-            <Button 
-                Content="Löschen" 
-                Width="100" 
-                Height="30" 
-                HorizontalAlignment="Right" 
-                VerticalAlignment="Bottom" 
-                Background="Firebrick"
-                Click="DeleteButton_Click"
-            />
+                    <Button Grid.Row="2" 
+                          Content="Löschen" 
+                          Width="100" Height="30" 
+                          Margin="0,10"
+                          HorizontalAlignment="Center"
+                          Background="Firebrick" 
+                          Click="DeleteButton_Click"/>
+                </Grid>
+            </Border>
         </Grid>
-    </Grid>
+    </Border>
 </mah:MetroWindow>

PrototypWPFHAG/SearchWindow.xaml.cs

@@ -1,14 +1,17 @@
 using MahApps.Metro.Controls;
+using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
 using System.Net;
 using System.Net.Http;
+using System.Runtime.CompilerServices;
 using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Web;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Documents;
 
 
 namespace PrototypWPFHAG
@@ -29,6 +32,7 @@ namespace PrototypWPFHAG
         private readonly PdfServiceClient _pdfServiceClient = new();
         private const string BaseUrl = "http://localhost:8000"; // Microservice-URL
         private string _selectedPdfPath;
+        private List<string> _selectedPdfPaths = new List<string>();
         public SearchWindow()
         {
             InitializeComponent();
@@ -60,7 +64,7 @@ namespace PrototypWPFHAG
                 }
                 else
                 {
-                    await SearchByTextAsync();
+                    await SearchBySimilarityAsync();
                 }
             }
             catch (Exception ex)
@@ -86,34 +90,43 @@ namespace PrototypWPFHAG
 
             try
             {
-                var response = await _httpClient.GetAsync($"/documents/by-id/{documentId}");
+                var response = await _httpClient.GetAsync($"/documents/{documentId}");
+                response.EnsureSuccessStatusCode();
+
                 var json = await response.Content.ReadAsStringAsync();
-                var result = JsonSerializer.Deserialize<JsonElement>(json);
+                var result = JsonSerializer.Deserialize<DocumentDetail>(json);
 
-                // Extrahiere das Array "documents"
-                var documents = result.GetProperty("documents");
-                if (documents.GetArrayLength() == 0)
-                {
-                    MessageBox.Show("Dokument nicht gefunden");
-                    return;
-                }
-
-                // Nimm das erste Element des Arrays
-                var document = documents[0];
-
-                // UI aktualisieren
                 await Dispatcher.InvokeAsync(() =>
                 {
-                    SearchResultsListBox.ItemsSource = new List<SearchResult>
+                    SearchResultsListBox.ItemsSource = new List<DocumentDetail> { result };
+                    ContentTextBox.Text = result.Content;
+                    SearchResultsListBox.DisplayMemberPath = "DocumentName";
+                });
+            }
+            catch (HttpRequestException ex) when (ex.StatusCode == HttpStatusCode.NotFound)
             {
-                new SearchResult
+                MessageBox.Show("Dokument nicht gefunden");
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show($"Fehler: {ex.Message}");
+            }
+        }
+
+        private async Task SearchBySimilarityAsync()
+        {
+            try
+            {
+                var encodedQuery = HttpUtility.UrlEncode(SearchTextBox.Text);
+                var response = await _httpClient.GetAsync($"/documents/search/similarity?query={encodedQuery}");
+
+                var json = await response.Content.ReadAsStringAsync();
+                var result = JsonSerializer.Deserialize<ApiResponse>(json);
+
+                await Dispatcher.InvokeAsync(() =>
                 {
-                    Id = document.GetProperty("id").GetInt32(),
-                    Filename = document.GetProperty("filename").GetString(),
-                    Content = document.GetProperty("content").GetString()
-                }
-            };
-                    ContentTextBox.Text = document.GetProperty("content").GetString();
+                    SearchResultsListBox.ItemsSource = result?.Documents;
+                    SearchResultsListBox.DisplayMemberPath = "DocumentName";
                 });
             }
             catch (Exception ex)
@@ -121,31 +134,6 @@ namespace PrototypWPFHAG
                 MessageBox.Show($"Fehler: {ex.Message}");
             }
         }
-        private async Task SearchByTextAsync()
-        {
-            try
-            {
-                var encodedQuery = Uri.EscapeDataString(SearchTextBox.Text);
-                var response = await _httpClient.GetAsync($"/documents/search?query={encodedQuery}");
-
-                var json = await response.Content.ReadAsStringAsync();
-                var result = JsonSerializer.Deserialize<JsonElement>(json);
-
-                var documents = JsonSerializer.Deserialize<List<SearchResult>>(
-                    result.GetProperty("documents").GetRawText());
-
-                MessageBox.Show($"Gefundene Dokumente: {documents?.Count}", "Debug");
-
-                SearchResultsListBox.ItemsSource = documents;
-                SearchResultsListBox.DisplayMemberPath = "Filename";
-            }
-            catch (Exception ex)
-            {
-                MessageBox.Show($"Fehler: {ex.Message}");
-            }
-        }
-
-
 
         private void PdfDropCanvas_DragEnter(object sender, DragEventArgs e)
         {
@@ -166,18 +154,39 @@ namespace PrototypWPFHAG
             e.Handled = true;
         }
 
+        private void ChoosePdfButton_Click(object sender, RoutedEventArgs e)
+        {
+            var openFileDialog = new Microsoft.Win32.OpenFileDialog
+            {
+                Filter = "PDF Files (*.pdf)|*.pdf",
+                Multiselect = true 
+            };
+
+            if (openFileDialog.ShowDialog() == true)
+            {
+                _selectedPdfPaths.AddRange(openFileDialog.FileNames);
+
+                
+                PdfIcon.Visibility = Visibility.Visible;
+                PdfFileNameText.Text = string.Join(", ", _selectedPdfPaths.Select(System.IO.Path.GetFileName));
+                PdfFileNameText.Visibility = Visibility.Visible;
+                DropHintText.Visibility = Visibility.Collapsed;
+            }
+        }
         private void PdfDropCanvas_Drop(object sender, DragEventArgs e)
         {
             if (e.Data.GetDataPresent(DataFormats.FileDrop))
             {
                 string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
-                _selectedPdfPath = files.FirstOrDefault(f => System.IO.Path.GetExtension(f).Equals(".pdf", StringComparison.OrdinalIgnoreCase));
+                var pdfFiles = files.Where(f => System.IO.Path.GetExtension(f).Equals(".pdf", StringComparison.OrdinalIgnoreCase)).ToList();
 
-                if (_selectedPdfPath != null)
+                if (pdfFiles.Any())
                 {
-                    // Vorschau anzeigen
+                    _selectedPdfPaths.AddRange(pdfFiles);
+
+                    // 更新UI以显示所有文件
                     PdfIcon.Visibility = Visibility.Visible;
-                    PdfFileNameText.Text = System.IO.Path.GetFileName(_selectedPdfPath);
+                    PdfFileNameText.Text = string.Join(", ", _selectedPdfPaths.Select(System.IO.Path.GetFileName));
                     PdfFileNameText.Visibility = Visibility.Visible;
                     DropHintText.Visibility = Visibility.Collapsed;
                 }
@@ -192,19 +201,47 @@ namespace PrototypWPFHAG
 
             [JsonPropertyName("document")]
             public DocumentDetail Document { get; set; }
+
+            [JsonPropertyName("documents")]
+            public List<DocumentDetail> Documents { get; set; }
         }
 
-        public class DocumentDetail
+        public class DocumentDetail : INotifyPropertyChanged
         {
             [JsonPropertyName("id")]
             public int Id { get; set; }
 
-            [JsonPropertyName("filename")]
-            public string Filename { get; set; }
+            [JsonPropertyName("document_name")]
+            public string DocumentName { get; set; }
 
             [JsonPropertyName("content")]
             public string Content { get; set; }
+
+            [JsonPropertyName("distance")]
+            public double Distance { get; set; }
+
+            private bool _isSelected;
+            public bool IsSelected
+            {
+                get => _isSelected;
+                set
+                {
+                    if (_isSelected != value)
+                    {
+                        _isSelected = value;
+                        OnPropertyChanged();
+                    }
+                }
+            }
+
+            public event PropertyChangedEventHandler PropertyChanged;
+
+            protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
+            {
+                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+            }
         }
+
         public class ApiError
         {
             public string Detail { get; set; }
@@ -212,66 +249,35 @@ namespace PrototypWPFHAG
 
         private async void UploadButton_Click(object sender, RoutedEventArgs e)
         {
-            if (string.IsNullOrEmpty(_selectedPdfPath))
+            if (!_selectedPdfPaths.Any())
             {
                 MessageBox.Show("Keine PDF ausgewählt!");
                 return;
             }
 
-            // UI zurücksetzen
             UploadProgressBar.Visibility = Visibility.Visible;
             UploadProgressBar.Value = 0;
             UploadStatusText.Text = "Upload läuft...";
 
             try
             {
-                using (var httpClient = new HttpClient())
-                using (var fileStream = File.OpenRead(_selectedPdfPath))
+                using var formData = new MultipartFormDataContent();
+
+                foreach (var pdfPath in _selectedPdfPaths)
                 {
-                    var progress = new Progress<float>(percent =>
-                    {
-                        Dispatcher.Invoke(() =>
-                        {
-                            UploadProgressBar.Value = percent * 100;
-                            UploadStatusText.Text = $"Upload: {(int)(percent * 100)}%";
-                        });
-                    });
+                    var fileContent = new StreamContent(File.OpenRead(pdfPath));
+                    formData.Add(fileContent, "files", Path.GetFileName(pdfPath));
+                }
 
-                    var content = new StreamContent(fileStream);
-                    var formData = new MultipartFormDataContent();
-                    formData.Add(content, "file", Path.GetFileName(_selectedPdfPath));
+                var response = await _httpClient.PostAsync("/upload-pdfs/", formData);
+                response.EnsureSuccessStatusCode();
 
-                    // Simulierter Fortschritt
-                    for (int i = 0; i <= 100; i += 10)
-                    {
-                        await Task.Delay(100);
-                        ((IProgress<float>)progress).Report(i / 100f);
-                    }
+                var json = await response.Content.ReadAsStringAsync();
+                var result = JsonSerializer.Deserialize<ApiResponse>(json);
 
-                    var response = await httpClient.PostAsync($"{BaseUrl}/upload-pdf", formData);
-
-                    if (response.IsSuccessStatusCode)
-                    {
-                        // Erfolgsmeldung anzeigen
-                        UploadStatusText.Text = "Erfolgreich hochgeladen!";
-
-                        // Canvas zurücksetzen
-                        Dispatcher.Invoke(() =>
-                        {
-                            PdfIcon.Visibility = Visibility.Collapsed;
-                            PdfFileNameText.Visibility = Visibility.Collapsed;
-                            DropHintText.Visibility = Visibility.Visible;
-                            _selectedPdfPath = null;
-                        });
-
-                        // Erfolgsmeldung nach 3 Sekunden ausblenden
-                        await Task.Delay(3000);
-                        UploadStatusText.Text = string.Empty;
-                    }
-                    else
-                    {
-                        UploadStatusText.Text = "Fehler beim Upload";
-                    }
+                if (result?.Success == true)
+                {
+                    UploadStatusText.Text = "Upload erfolgreich!";
                 }
             }
             catch (Exception ex)
@@ -281,6 +287,10 @@ namespace PrototypWPFHAG
             finally
             {
                 UploadProgressBar.Visibility = Visibility.Collapsed;
+                _selectedPdfPaths.Clear();
+                PdfIcon.Visibility = Visibility.Collapsed;
+                PdfFileNameText.Visibility = Visibility.Collapsed;
+                DropHintText.Visibility = Visibility.Visible;
             }
         }
         private async void DeleteButton_Click(object sender, RoutedEventArgs e)
@@ -303,89 +313,57 @@ namespace PrototypWPFHAG
             var deletedIds = new List<int>();
             var errorIds = new List<int>();
 
-            foreach (var item in SearchResultsListBox.SelectedItems.Cast<SearchResult>().ToList())
+            foreach (var item in SearchResultsListBox.SelectedItems.Cast<DocumentDetail>().ToList())
             {
                 try
                 {
-                    var response = await _httpClient.DeleteAsync($"/documents/by-id/{item.Id}/delete");
+                    var response = await _httpClient.DeleteAsync($"/documents/{item.Id}");
                     if (response.IsSuccessStatusCode)
                     {
                         deletedIds.Add(item.Id);
-                        Debug.WriteLine($"Gelöscht: {item.Id}");
                     }
                     else
                     {
                         errorIds.Add(item.Id);
-                        var errorContent = await response.Content.ReadAsStringAsync();
-                        Debug.WriteLine($"Fehler bei {item.Id}: {errorContent}");
                     }
                 }
-                catch (Exception ex)
+                catch
                 {
                     errorIds.Add(item.Id);
-                    Debug.WriteLine($"Ausnahme: {ex.Message}");
                 }
             }
 
-            // Aktualisiere die Liste unabhängig vom Suchmodus
+            // Aktualisiere die Liste
             if (SearchByIdRadio.IsChecked == true)
             {
-                await SearchByIdAsync();  // Neu laden der ID-Suche
+                await SearchByIdAsync();
             }
             else
             {
-                await SearchByTextAsync(); // Neu laden der Textsuche
+                await SearchBySimilarityAsync();
             }
 
-            // Feedback an Benutzer
+            // Feedback
             var message = new StringBuilder();
-            if (deletedIds.Count > 0)
-            {
-                message.AppendLine($"{deletedIds.Count} Dokument(e) gelöscht.");
-            }
-            if (errorIds.Count > 0)
-            {
-                message.AppendLine($"{errorIds.Count} Dokument(e) konnten nicht gelöscht werden.");
-            }
+            if (deletedIds.Count > 0) message.AppendLine($"{deletedIds.Count} Dokument(e) gelöscht.");
+            if (errorIds.Count > 0) message.AppendLine($"{errorIds.Count} Dokument(e) konnten nicht gelöscht werden.");
+
             MessageBox.Show(message.ToString());
         }
 
         private async void SearchResultsListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
-            if (SearchResultsListBox.SelectedItem is SearchResult selectedDocument)
+            if (SearchResultsListBox.SelectedItem is DocumentDetail selected)
             {
                 try
                 {
-                    var response = await _httpClient.GetAsync($"/documents/by-id/{selectedDocument.Id}");
-                    var json = await response.Content.ReadAsStringAsync();
-                    var result = JsonSerializer.Deserialize<JsonElement>(json);
+                    var response = await _httpClient.GetAsync($"/documents/{selected.Id}/markdown");
+                    var content = await response.Content.ReadAsStringAsync();
+                    var result = JsonSerializer.Deserialize<JsonElement>(content);
 
-                    // Sicherstellen, dass das "documents" Array existiert
-                    if (!result.TryGetProperty("documents", out var documents))
-                    {
-                        ContentTextBox.Text = "Ungültiges Antwortformat";
-                        return;
-                    }
-
-                    // Sicherstellen, dass das Array mindestens ein Element hat
-                    if (documents.GetArrayLength() == 0)
-                    {
-                        ContentTextBox.Text = "Dokument nicht gefunden";
-                        return;
-                    }
-
-                    var document = documents[0];
-
-                    // Sicherstellen, dass alle benötigten Felder existieren
-                    if (!document.TryGetProperty("content", out var contentProp))
-                    {
-                        ContentTextBox.Text = "Dokumentinhalt fehlt";
-                        return;
-                    }
-
-                    ContentTextBox.Text = contentProp.GetString();
-
-                    Debug.WriteLine($"API-Antwort: {json}");
+                    ContentTextBox.Text = result.GetProperty("document")
+                                                .GetProperty("content")
+                                                .GetString();
                 }
                 catch (Exception ex)
                 {