Replace BLite with Surreal embedded persistence

src/ZB.MOM.WW.CBDDC.Persistence/Surreal/CBDDCSurrealEmbeddedExtensions.cs

@@ -0,0 +1,75 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection.Extensions;
+using ZB.MOM.WW.CBDDC.Core.Network;
+using SurrealDb.Net;
+using ZB.MOM.WW.CBDDC.Core.Storage;
+using ZB.MOM.WW.CBDDC.Core.Sync;
+
+namespace ZB.MOM.WW.CBDDC.Persistence.Surreal;
+
+/// <summary>
+///     Extension methods for configuring embedded Surreal persistence for CBDDC.
+/// </summary>
+public static class CBDDCSurrealEmbeddedExtensions
+{
+    /// <summary>
+    ///     Adds embedded Surreal infrastructure to CBDDC and registers a document store implementation.
+    /// </summary>
+    /// <typeparam name="TDocumentStore">The concrete document store implementation.</typeparam>
+    /// <param name="services">The service collection to add services to.</param>
+    /// <param name="optionsFactory">Factory used to build embedded Surreal options.</param>
+    /// <returns>The service collection for chaining.</returns>
+    public static IServiceCollection AddCBDDCSurrealEmbedded<TDocumentStore>(
+        this IServiceCollection services,
+        Func<IServiceProvider, CBDDCSurrealEmbeddedOptions> optionsFactory)
+        where TDocumentStore : class, IDocumentStore
+    {
+        RegisterCoreServices(services, optionsFactory);
+        services.TryAddSingleton<IDocumentStore, TDocumentStore>();
+        return services;
+    }
+
+    /// <summary>
+    ///     Adds embedded Surreal infrastructure to CBDDC without registering store implementations.
+    /// </summary>
+    /// <param name="services">The service collection to add services to.</param>
+    /// <param name="optionsFactory">Factory used to build embedded Surreal options.</param>
+    /// <returns>The service collection for chaining.</returns>
+    /// <remarks>
+    ///     Register store implementations separately when they become available.
+    /// </remarks>
+    public static IServiceCollection AddCBDDCSurrealEmbedded(
+        this IServiceCollection services,
+        Func<IServiceProvider, CBDDCSurrealEmbeddedOptions> optionsFactory)
+    {
+        RegisterCoreServices(services, optionsFactory);
+        return services;
+    }
+
+    private static void RegisterCoreServices(
+        IServiceCollection services,
+        Func<IServiceProvider, CBDDCSurrealEmbeddedOptions> optionsFactory)
+    {
+        if (services == null) throw new ArgumentNullException(nameof(services));
+        if (optionsFactory == null) throw new ArgumentNullException(nameof(optionsFactory));
+
+        services.TryAddSingleton(optionsFactory);
+
+        services.TryAddSingleton<ICBDDCSurrealEmbeddedClient, CBDDCSurrealEmbeddedClient>();
+        services.TryAddSingleton<ISurrealDbClient>(sp => sp.GetRequiredService<ICBDDCSurrealEmbeddedClient>().Client);
+        services.TryAddSingleton<ICBDDCSurrealSchemaInitializer, CBDDCSurrealSchemaInitializer>();
+        services.TryAddSingleton<ICBDDCSurrealReadinessProbe, CBDDCSurrealReadinessProbe>();
+        services.TryAddSingleton<ISurrealCdcCheckpointPersistence, SurrealCdcCheckpointPersistence>();
+
+        services.TryAddSingleton<IConflictResolver, LastWriteWinsConflictResolver>();
+        services.TryAddSingleton<IVectorClockService, VectorClockService>();
+        services.TryAddSingleton<IPeerConfigurationStore, SurrealPeerConfigurationStore>();
+        services.TryAddSingleton<IPeerOplogConfirmationStore, SurrealPeerOplogConfirmationStore>();
+        services.TryAddSingleton<ISnapshotMetadataStore, SurrealSnapshotMetadataStore>();
+        services.TryAddSingleton<IDocumentMetadataStore, SurrealDocumentMetadataStore>();
+        services.TryAddSingleton<IOplogStore, SurrealOplogStore>();
+
+        // SnapshotStore registration matches the other provider extension patterns.
+        services.TryAddSingleton<ISnapshotService, SnapshotStore>();
+    }
+}