Revert "Update ChatWindow.tsx"

This reverts commit 2ccbd9a44c.

src/components/ChatWindow.tsx

@@ -83,35 +83,13 @@ const checkConfig = async (
       if (!chatModel || !chatModelProvider) {
         const chatModelProviders = providers.chatModelProviders;
 
-        if (
-          !chatModelProviders ||
-          Object.keys(chatModelProviders).length === 0
-        ) {
-          setHasError(true);
-          return toast.error('No chat model providers found');
-        } else if (
-          chatModelProviders.length === 1 &&
-          Object.keys(chatModelProviders['custom_openai']).length === 0
-        ) {
-          setHasError(true);
-          return toast.error(
-            "Seems like you're trying to use the custom OpenAI provider. Please configure it using the settings page or the config file to use it.",
-          );
-        }
-
         chatModelProvider =
-          chatModelProvider ||
+          chatModelProvider || Object.keys(chatModelProviders)[0];
-          Object.keys(chatModelProviders).find(
-            (v) => Object.keys(chatModelProviders[v]).length > 0,
-          ) ||
-          null;
-
-        if (!chatModelProvider) {
-          setHasError(true);
-          return toast.error('No chat models found.');
-        }
 
         chatModel = Object.keys(chatModelProviders[chatModelProvider])[0];
+
+        if (!chatModelProviders || Object.keys(chatModelProviders).length === 0)
+          return toast.error('No chat models available');
       }
 
       if (!embeddingModel || !embeddingModelProvider) {
@@ -145,12 +123,7 @@ const checkConfig = async (
         chatModelProvider =
           chatModelProvidersKeys.find(
             (key) => Object.keys(chatModelProviders[key]).length > 0,
-          ) || null;
+          ) || chatModelProvidersKeys[0];
-
-        if (!chatModelProvider) {
-          setHasError(true);
-          return toast.error('No chat models found.');
-        }
 
         localStorage.setItem('chatModelProvider', chatModelProvider);
       }