Lots of groundwork and the app runs but not currently working to generate embeddings.

VectorSearchApp/Program.cs

@@ -0,0 +1,173 @@
+using Microsoft.Extensions.Configuration;
+using VectorSearchApp.Configuration;
+using VectorSearchApp.Models;
+using VectorSearchApp.Services;
+
+Console.WriteLine("=== Vector Search Address Application ===");
+Console.WriteLine("Using sentence-transformers/all-MiniLM-L6-v2 model and Qdrant vector database");
+Console.WriteLine();
+
+// Load configuration
+var configuration = new ConfigurationBuilder()
+    .SetBasePath(AppContext.BaseDirectory)
+    .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
+    .Build();
+
+var appConfig = new AppConfiguration();
+configuration.GetSection("Qdrant").Bind(appConfig.Qdrant);
+configuration.GetSection("Embedding").Bind(appConfig.Embedding);
+configuration.GetSection("App").Bind(appConfig.App);
+
+// Initialize services
+Console.WriteLine("Initializing services...");
+var embeddingService = new EmbeddingService(appConfig.Embedding);
+IQdrantService? qdrantService = null;
+
+try
+{
+    qdrantService = new QdrantService(appConfig.Qdrant, appConfig.Embedding.Dimension);
+    Console.WriteLine("Initializing Qdrant collection...");
+    await qdrantService.InitializeCollectionAsync();
+    Console.WriteLine($"Collection '{appConfig.Qdrant.CollectionName}' is ready.");
+}
+catch (Exception ex)
+{
+    Console.WriteLine($"Warning: Could not connect to Qdrant at {appConfig.Qdrant.Host}:{appConfig.Qdrant.GrpcPort}");
+    Console.WriteLine($"Error: {ex.Message}");
+    Console.WriteLine();
+    Console.WriteLine("Please ensure Qdrant is running. You can start it with:");
+    Console.WriteLine("  cd VectorSearchApp && docker-compose up -d");
+    Console.WriteLine();
+    Console.WriteLine("The application will continue, but address storage/search will not be available.");
+    Console.WriteLine();
+}
+
+Console.WriteLine("Type 'exit' to quit at any time.");
+Console.WriteLine();
+
+while (true)
+{
+    Console.WriteLine("Options:");
+    Console.WriteLine("  1. Add a new address");
+    Console.WriteLine("  2. Search for similar addresses");
+    Console.WriteLine("  3. Exit");
+    Console.Write("Select an option: ");
+
+    var option = Console.ReadLine()?.Trim();
+
+    if (option?.ToLower() == "exit" || option == "3")
+    {
+        Console.WriteLine("Goodbye!");
+        return;
+    }
+
+    switch (option)
+    {
+        case "1":
+            await AddAddressAsync(embeddingService, qdrantService, appConfig);
+            break;
+        case "2":
+            await SearchAddressesAsync(embeddingService, qdrantService, appConfig);
+            break;
+        default:
+            Console.WriteLine("Invalid option. Please try again.");
+            break;
+    }
+
+    Console.WriteLine();
+}
+
+async Task AddAddressAsync(IEmbeddingService embeddingService, IQdrantService? qdrantService, AppConfiguration config)
+{
+    Console.Write("Enter the address: ");
+    var addressText = Console.ReadLine()?.Trim();
+
+    if (string.IsNullOrWhiteSpace(addressText))
+    {
+        Console.WriteLine("Address cannot be empty.");
+        return;
+    }
+
+    Console.WriteLine("Generating embedding...");
+    try
+    {
+        var embedding = await embeddingService.GenerateEmbeddingAsync(addressText);
+        Console.WriteLine($"Embedding generated (dimension: {embedding.Length})");
+
+        if (qdrantService != null)
+        {
+            var address = new Address
+            {
+                Id = Guid.NewGuid(),
+                FullAddress = addressText,
+                CreatedAt = DateTime.UtcNow
+            };
+
+            Console.WriteLine("Storing in Qdrant...");
+            await qdrantService.StoreAddressAsync(address, embedding);
+            Console.WriteLine($"Address stored successfully! (ID: {address.Id})");
+        }
+        else
+        {
+            Console.WriteLine("Address embedding generated but not stored (Qdrant not available).");
+        }
+
+        // Display first few values of embedding as confirmation
+        Console.Write("Embedding preview: [");
+        var previewCount = Math.Min(10, embedding.Length);
+        for (int i = 0; i < previewCount; i++)
+        {
+            Console.Write($"{embedding[i]:F4}");
+            if (i < previewCount - 1) Console.Write(", ");
+        }
+        if (embedding.Length > previewCount) Console.Write(", ...");
+        Console.WriteLine("]");
+    }
+    catch (Exception ex)
+    {
+        Console.WriteLine($"Error generating embedding: {ex.Message}");
+    }
+}
+
+async Task SearchAddressesAsync(IEmbeddingService embeddingService, IQdrantService? qdrantService, AppConfiguration config)
+{
+    if (qdrantService == null)
+    {
+        Console.WriteLine("Search is not available because Qdrant is not connected.");
+        return;
+    }
+
+    Console.Write("Enter search query: ");
+    var query = Console.ReadLine()?.Trim();
+
+    if (string.IsNullOrWhiteSpace(query))
+    {
+        Console.WriteLine("Query cannot be empty.");
+        return;
+    }
+
+    Console.WriteLine("Generating query embedding...");
+    try
+    {
+        var queryEmbedding = await embeddingService.GenerateEmbeddingAsync(query);
+        Console.WriteLine($"Searching for similar addresses...");
+
+        var results = await qdrantService.SearchSimilarAddressesAsync(queryEmbedding, limit: 5);
+
+        if (results.Count == 0)
+        {
+            Console.WriteLine("No similar addresses found.");
+            return;
+        }
+
+        Console.WriteLine($"\nFound {results.Count} similar address(es):");
+        for (int i = 0; i < results.Count; i++)
+        {
+            Console.WriteLine($"  {i + 1}. {results[i].FullAddress}");
+        }
+    }
+    catch (Exception ex)
+    {
+        Console.WriteLine($"Error during search: {ex.Message}");
+    }
+}