Disable closed loop toggle unless there is an active CGM and pump

Trio/Sources/Localizations/Main/Localizable.xcstrings

@@ -19661,6 +19661,9 @@
         }
       }
     },
+    "Add a CGM and pump to enable automated insuin delivery" : {
+
+    },
     "Add a Garmin Device to Trio." : {
       "localizations" : {
         "bg" : {

Trio/Sources/Modules/Settings/SettingsStateModel.swift

@@ -74,6 +74,11 @@ extension Settings {
 //            let storageURL = localDocuments.appendingPathComponent("PumpManagerState" + ".plist")
 //            try? FileManager.default.removeItem(at: storageURL)
 //        }
+        func hasCgmAndPump() -> Bool {
+            let hasCgm = fetchCgmManager.cgmGlucoseSourceType != .none
+            let hasPump = provider.deviceManager.pumpManager != nil
+            return hasCgm && hasPump
+        }
     }
 }
 

Trio/Sources/Modules/Settings/View/SettingsRootView.swift

@@ -29,6 +29,7 @@ extension Settings {
             isUpdateAvailable: false,
             isBlacklisted: false
         )
+        @State private var closedLoopDisabled = true
 
         @Environment(\.colorScheme) var colorScheme
         @EnvironmentObject var appIcons: Icons
@@ -113,6 +114,11 @@ extension Settings {
                         }
                     ).listRowBackground(Color.chart)
 
+                    let miniHintText = closedLoopDisabled ?
+                        String(localized: "Add a CGM and pump to enable automated insuin delivery") :
+                        String(localized: "Enable automated insulin delivery.")
+                    let miniHintTextColorForDisabled: Color = colorScheme == .dark ? .orange : .accentColor
+                    let miniHintTextColor: Color = closedLoopDisabled ? miniHintTextColorForDisabled : .secondary
                     SettingInputSection(
                         decimalValue: $decimalPlaceholder,
                         booleanValue: $state.closedLoop,
@@ -127,7 +133,7 @@ extension Settings {
                         units: state.units,
                         type: .boolean,
                         label: String(localized: "Closed Loop"),
-                        miniHint: String(localized: "Enable automated insulin delivery."),
+                        miniHint: miniHintText,
                         verboseHint: VStack(alignment: .leading, spacing: 10) {
                             Text(
                                 "Running Trio in closed loop mode requires an active CGM sensor session and a connected pump. This enables automated insulin delivery."
@@ -136,8 +142,13 @@ extension Settings {
                                 "Before enabling, dial in your settings (basal / insulin sensitivity / carb ratio), and familiarize yourself with the app."
                             )
                         },
-                        headerText: String(localized: "Automated Insulin Delivery")
+                        headerText: String(localized: "Automated Insulin Delivery"),
+                        isToggleDisabled: closedLoopDisabled,
+                        miniHintColor: miniHintTextColor
                     )
+                    .onAppear {
+                        closedLoopDisabled = !state.hasCgmAndPump()
+                    }
 
                     Section(
                         header: Text("Trio Configuration"),

Trio/Sources/Views/SettingInputSection.swift

@@ -33,6 +33,8 @@ struct SettingInputSection<VerboseHint: View>: View {
     var verboseHint: VerboseHint
     var headerText: String?
     var footerText: String?
+    var isToggleDisabled: Bool = false
+    var miniHintColor: Color = .secondary
 
     @ObservedObject private var pickerSettingsProvider = PickerSettingsProvider.shared
     @State private var displayPicker: Bool = false
@@ -55,6 +57,7 @@ struct SettingInputSection<VerboseHint: View>: View {
 
                     case .boolean:
                         toggleView(label: label, isOn: $booleanValue)
+                            .disabled(isToggleDisabled)
 
                     case let .conditionalDecimal(key):
                         VStack {
@@ -73,7 +76,8 @@ struct SettingInputSection<VerboseHint: View>: View {
                     hintSection(
                         miniHint: miniHint,
                         shouldDisplayHint: $shouldDisplayHint,
-                        verboseHint: verboseHint
+                        verboseHint: verboseHint,
+                        miniHintColor: miniHintColor
                     )
                 }
             },
@@ -235,11 +239,16 @@ struct SettingInputSection<VerboseHint: View>: View {
         }.padding(.top)
     }
 
-    private func hintSection(miniHint: String, shouldDisplayHint: Binding<Bool>, verboseHint: VerboseHint) -> some View {
+    private func hintSection(
+        miniHint: String,
+        shouldDisplayHint: Binding<Bool>,
+        verboseHint: VerboseHint,
+        miniHintColor: Color = .secondary
+    ) -> some View {
         HStack(alignment: .center) {
             Text(miniHint)
                 .font(.footnote)
-                .foregroundColor(.secondary)
+                .foregroundColor(miniHintColor)
                 .lineLimit(nil)
             Spacer()
             Button(action: {