✨ Thinking of the LangChain ver

DysonNetwork.Insight/Thinking/ThinkingProvider.cs

@@ -0,0 +1,37 @@
+using LangChain.Providers;
+using LangChain.Providers.Ollama;
+
+namespace DysonNetwork.Insight.Thinking;
+
+public class ThinkingProvider
+{
+    public readonly Provider Provider;
+    public readonly string? ModelProviderType;
+    public readonly string? ModelDefault;
+
+    public ThinkingProvider(IConfiguration configuration)
+    {
+        var cfg = configuration.GetSection("Thinking");
+        ModelProviderType = cfg.GetValue<string>("Provider")?.ToLower();
+        switch (ModelProviderType)
+        {
+            case "ollama":
+                var endpoint = cfg.GetValue<string>("Endpoint");
+                Provider = new OllamaProvider(endpoint ?? "http://localhost:11434/api");
+                break;
+            default:
+                throw new IndexOutOfRangeException("Unknown thinking provider: " + ModelProviderType);
+        }
+
+        ModelDefault = cfg.GetValue<string>("Model");
+    }
+
+    public ChatModel GetModel(string? name = null)
+    {
+        return ModelProviderType switch
+        {
+            "ollama" => new OllamaChatModel((Provider as OllamaProvider)!, (name ?? ModelDefault)!),
+            _ => throw new IndexOutOfRangeException("Unknown thinking provider: " + ModelProviderType),
+        };
+    }
+}