last ...

Providers/XAIServiceBase.cs

@@ -4,6 +4,7 @@ using OllamaSharp;
 using System.Net.Http;
 using System.Threading;
 using xAiApi.Constants;
+using xAiModels.Models;
 using xAiApi.Interfaces;
 using xAiApi.Extensions;
 using System.ClientModel;
@@ -24,6 +25,16 @@ namespace xAiApi.Providers
 {
     public abstract class XAIServiceBase : IXAiServiceBase
     {
+        /// <summary>
+        /// Chat Options ...
+        /// </summary>
+        public ChatOptions Options { get; }
+
+        /// <summary>
+        /// Descriptor of Models which used in Service ...
+        /// </summary>        
+        public XAiModelDescriptor Descriptor { get; }
+
         private readonly IXAiDataProvider dataProvider;
         private readonly ILogger<XAIServiceBase> logger;
         private readonly XAiApiConfiguration configuration;
@@ -31,12 +42,25 @@ namespace xAiApi.Providers
         protected XAIServiceBase(
             IXAiDataProvider dataProvider,
             ILogger<XAIServiceBase> logger,
-            XAiApiConfiguration configuration
+            XAiApiConfiguration configuration,
+            string model = null
         )
         {
             this.logger = logger;
             this.dataProvider = dataProvider;
             this.configuration = configuration;
+
+            //
+            // Prepare Embedding Model Descriptor ...
+            Descriptor = configuration.GetModel(model);
+            if (!Descriptor.IsValid())
+            {
+                XException.InvalidConfiguration.Throw();
+            }
+
+            //
+            // Prepare Chat Options based On Tools ...
+            Options = new ChatOptions();
         }
 
         //
@@ -130,28 +154,19 @@ namespace xAiApi.Providers
         /// <summary>
         /// Get LLM Client instance for Communicating with LLM ...
         /// </summary>
-        /// <param name="llm"></param>
         /// <returns></returns>
-        public virtual IChatClient GetClient(string llm = null)
+        public virtual IChatClient GetClient()
         {
-            //
-            // Retrieve Model Descriptor ...
-            var modelDescriptor = configuration.GetModel(llm);
-            if (modelDescriptor.IsNullOrDefault())
-            {
-                XException.NotFound.Throw();
-            }
-
             //
             // Try to Initialize LLm ...
-            var model = modelDescriptor.LLM;
-            var apiKey = modelDescriptor.ApiKey;
-            var url = new Uri(modelDescriptor.Url);
-            var httpClient = GetHttpClient(modelDescriptor.Url);
+            var model = Descriptor.LLM;
+            var apiKey = Descriptor.ApiKey;
+            var url = new Uri(Descriptor.Url);
+            var httpClient = GetHttpClient(Descriptor.Url);
 
             //
             IChatClient result = null;
-            switch (modelDescriptor.Provider)
+            switch (Descriptor.Provider)
             {
                 //
                 case XAiModelProviderType.Ollama:
@@ -163,7 +178,7 @@ namespace xAiApi.Providers
                         .UseFunctionInvocation()
                         .Build();
                     break;
-                
+
                 //
                 case XAiModelProviderType.OpenAI:
                     //