FIX: validator

config/locales/server.en.yml

@@ -583,7 +583,7 @@ en:
     llm:
       configuration:
         create_llm: "You need to setup an LLM before enabling this feature"
-        disable_module_first: "You have to disable %{setting} first."
+        disable_modules_first: "You must disable these modules first: %{settings}"
         set_llm_first: "Set %{setting} first"
         model_unreachable: "We couldn't get a response from this model. Check your settings first."
         invalid_seeded_model: "You can't use this model with this feature"

lib/configuration/llm_dependency_validator.rb

@@ -10,8 +10,7 @@ module DiscourseAi
       def valid_value?(val)
         return true if val == "f"
 
-        @llm_dependency_setting_name =
-          DiscourseAi::Configuration::LlmValidator.new.choose_llm_setting_for(@opts[:name])
+        @llm_dependency_setting_name = :ai_default_llm_model
 
         SiteSetting.public_send(@llm_dependency_setting_name).present?
       end

lib/configuration/llm_validator.rb

@@ -9,10 +9,18 @@ module DiscourseAi
 
       def valid_value?(val)
         if val == ""
-          @parent_module_name = modules_and_choose_llm_settings.invert[@opts[:name]]
+          if @opts[:name] == :ai_default_llm_model
+            @parent_module_names = []
 
-          @parent_enabled = SiteSetting.public_send(@parent_module_name)
-          return !@parent_enabled
+            enabled_settings.each do |setting_name|
+              if SiteSetting.public_send(setting_name) == true
+                @parent_module_names << setting_name
+                @parent_enabled = true
+              end
+            end
+
+            return !@parent_enabled
+          end
         end
 
         run_test(val).tap { |result| @unreachable = result }
@@ -43,11 +51,11 @@ module DiscourseAi
       end
 
       def error_message
-        if @parent_enabled
+        if @parent_enabled && @parent_module_names.present?
           return(
             I18n.t(
-              "discourse_ai.llm.configuration.disable_module_first",
-              setting: @parent_module_name,
+              "discourse_ai.llm.configuration.disable_modules_first",
+              settings: @parent_module_names.join(", "),
             )
           )
         end
@@ -57,17 +65,13 @@ module DiscourseAi
         I18n.t("discourse_ai.llm.configuration.model_unreachable")
       end
 
-      def choose_llm_setting_for(module_enabler_setting)
-        modules_and_choose_llm_settings[module_enabler_setting]
-      end
-
-      def modules_and_choose_llm_settings
-        {
-          ai_embeddings_semantic_search_enabled: :ai_default_llm_model,
-          ai_helper_enabled: :ai_default_llm_model,
-          ai_summarization_enabled: :ai_default_llm_model,
-          ai_translation_enabled: :ai_default_llm_model,
-        }
+      def enabled_settings
+        %i[
+          ai_embeddings_semantic_search_enabled
+          ai_helper_enabled
+          ai_summarization_enabled
+          ai_translation_enabled
+        ]
       end
     end
   end

spec/configuration/llm_validator_spec.rb

@@ -1,21 +1,40 @@
 # frozen_string_literal: true
 
-RSpec.describe DiscourseAi::Configuration::LlmValidator do
+require "rails_helper"
+
+describe DiscourseAi::Configuration::LlmValidator do
   describe "#valid_value?" do
-    context "when the parent module is enabled and we try to reset the selected model" do
-      before do
-        assign_fake_provider_to(:ai_default_llm_model)
-        SiteSetting.ai_summarization_enabled = true
-      end
+    let(:validator) { described_class.new(name: :ai_default_llm_model) }
 
-      it "returns false and displays an error message" do
-        validator = described_class.new(name: :ai_summarization_model)
+    before do
+      assign_fake_provider_to(:ai_default_llm_model)
+      SiteSetting.ai_helper_enabled = false
+      SiteSetting.ai_summarization_enabled = false
+      SiteSetting.ai_embeddings_semantic_search_enabled = false
+      SiteSetting.ai_translation_enabled = false
+    end
 
-        value = validator.valid_value?("")
+    it "returns true when no modules are enabled and value is empty string" do
+      expect(validator.valid_value?("")).to eq(true)
+    end
 
-        expect(value).to eq(false)
-        expect(validator.error_message).to include("ai_summarization_enabled")
-      end
+    it "returns false when a module is enabled and value is empty string" do
+      SiteSetting.ai_helper_enabled = true
+      expect(validator.valid_value?("")).to eq(false)
+      expect(validator.error_message).to include("ai_helper_enabled")
+    end
+
+    it "returns false when multiple modules are enabled and value is empty string" do
+      SiteSetting.ai_helper_enabled = true
+      SiteSetting.ai_summarization_enabled = true
+      expect(validator.valid_value?("")).to eq(false)
+      expect(validator.error_message).to include("ai_helper_enabled, ai_summarization_enabled")
+    end
+
+    it "returns true for non-empty values regardless of module state" do
+      SiteSetting.ai_helper_enabled = true
+      SiteSetting.ai_summarization_enabled = true
+      expect(validator.valid_value?("some_model")).to eq(true)
     end
   end
 end