Make APINotConfiguredException adjustments (#7284)

Author: emilypgoogle

firebase-ai/src/main/kotlin/com/google/firebase/ai/common/APIController.kt

@@ -335,7 +335,9 @@ private suspend fun validateResponse(response: HttpResponse) {
     throw PromptBlockedException(message)
   }
   if (message.contains("genai config not found")) {
-    throw APINotConfiguredException()
+    throw APINotConfiguredException(
+      "The Gemini Developer API is not enabled, to enable and configure, see https://firebase.google.com/docs/ai-logic/faq-and-troubleshooting?api=dev#error-genai-config-not-found"
+    )
   }
   getServiceDisabledErrorDetailsOrNull(error)?.let {
     val errorMessage =

firebase-ai/src/main/kotlin/com/google/firebase/ai/common/Exceptions.kt

@@ -90,14 +90,13 @@ internal class UnsupportedUserLocationException(cause: Throwable? = null) :
   FirebaseCommonAIException("User location is not supported for the API use.", cause)
 
 /**
- * The user's project does not have the Gemini Developer API enabled in the Firebase Console.
+ * The user's project has not been configured and enabled for the selected API.
  *
- * See the Firebase documentation for the
+ * For the Gemini Developer API, see
  * [steps](https://firebase.google.com/docs/ai-logic/faq-and-troubleshooting?api=dev#error-genai-config-not-found)
- * to enable the Gemini Developer API.
  */
-internal class APINotConfiguredException(cause: Throwable? = null) :
-  FirebaseCommonAIException("Gemini Developer API not enabled in Firebase console.", cause)
+internal class APINotConfiguredException(message: String, cause: Throwable? = null) :
+  FirebaseCommonAIException(message, cause)
 
 /**
  * Some form of state occurred that shouldn't have.

firebase-ai/src/main/kotlin/com/google/firebase/ai/type/Exceptions.kt

@@ -62,7 +62,7 @@ internal constructor(message: String, cause: Throwable? = null) : RuntimeExcepti
             is com.google.firebase.ai.common.QuotaExceededException ->
               QuotaExceededException(cause.message ?: "", cause.cause)
             is com.google.firebase.ai.common.APINotConfiguredException ->
-              APINotConfiguredException(cause.cause)
+              APINotConfiguredException(cause.message ?: "", cause.cause)
             else -> UnknownException(cause.message ?: "", cause)
           }
         is TimeoutCancellationException ->
@@ -152,14 +152,14 @@ public class UnsupportedUserLocationException internal constructor(cause: Throwa
   FirebaseAIException("User location is not supported for the API use.", cause)
 
 /**
- * The user's project does not have the Gemini Developer API enabled in the Firebase Console.
+ * The user's project has not been configured and enabled for the selected API.
  *
- * See the Firebase documentation for the
+ * For the Gemini Developer API, see
  * [steps](https://firebase.google.com/docs/ai-logic/faq-and-troubleshooting?api=dev#error-genai-config-not-found)
- * to enable the Gemini Developer API.
  */
-public class APINotConfiguredException internal constructor(cause: Throwable? = null) :
-  FirebaseAIException("Gemini Developer API not enabled in Firebase console.", cause)
+public class APINotConfiguredException
+internal constructor(message: String, cause: Throwable? = null) :
+  FirebaseAIException(message, cause)
 
 /**
  * Some form of state occurred that shouldn't have.