feat(firebase): conditionally load Firebase depending on the platform

lib/core/firebase/core.dart

@@ -1,7 +1,21 @@
 import 'package:firebase_core/firebase_core.dart';
 import '../../firebase_options.dart';
+import '../system/platform.dart';
 
 class LunaFirebase {
+  static bool get isSupported {
+    final platform = LunaPlatform();
+    if (platform.isMobile || platform.isMacOS || platform.isWeb) {
+      // Validate that the firebase config exists by trying to load it
+      try {
+        DefaultFirebaseOptions.currentPlatform;
+        return true;
+        // ignore: empty_catches
+      } catch (_) {}
+    }
+    return false;
+  }
+
   /// Initialize Firebase and configuration.
   ///
   /// This must be called before anything accesses Firebase services, or an exception will be thrown.

lib/main.dart

@@ -19,7 +19,7 @@ Future<void> main() async {
     () async {
       //LunaSea initialization
       await Database().initialize();
-      await LunaFirebase().initialize();
+      if (LunaFirebase.isSupported) await LunaFirebase().initialize();
       LunaLogger().initialize();
       LunaTheme().initialize();
       if (LunaWindowManager.isSupported) await LunaWindowManager().initialize();
@@ -113,7 +113,7 @@ class _State extends State<LunaOS> {
   }
 
   Future<void> _boot() async {
-    _initNotifications();
+    if (LunaFirebase.isSupported) _initNotifications();
 
     String? tag = LunaLanguage.ENGLISH.fromLocale(context.locale)?.languageTag;
     tag ??= LunaLanguage.ENGLISH.languageTag;

lib/modules/settings/core/router.dart

@@ -7,9 +7,17 @@ class SettingsRouter extends LunaModuleRouter {
   void defineAllRoutes(FluroRouter router) {
     SettingsHomeRouter().defineRoute(router);
     // Account
-    SettingsAccountRouter().defineRoute(router);
-    SettingsAccountPasswordResetRouter().defineRoute(router);
-    SettingsAccountSettingsRouter().defineRoute(router);
+    if (LunaFirebase.isSupported) {
+      SettingsAccountRouter().defineRoute(router);
+      SettingsAccountPasswordResetRouter().defineRoute(router);
+      SettingsAccountSettingsRouter().defineRoute(router);
+      SettingsNotificationsRouter().defineRoute(router);
+    }
+    // Donations
+    if (LunaInAppPurchases.isSupported) {
+      SettingsDonationsRouter().defineRoute(router);
+      SettingsDonationsThankYouRouter().defineRoute(router);
+    }
     // Configuration
     SettingsConfigurationRouter().defineRoute(router);
     SettingsConfigurationAppearanceRouter().defineRoute(router);
@@ -73,9 +81,6 @@ class SettingsRouter extends LunaModuleRouter {
     SettingsDebugMenuRouter().defineRoute(router);
     SettingsSystemDebugMenuUIRouter().defineRoute(router);
     // Other
-    SettingsDonationsRouter().defineRoute(router);
-    SettingsDonationsThankYouRouter().defineRoute(router);
-    SettingsNotificationsRouter().defineRoute(router);
     SettingsProfilesRouter().defineRoute(router);
     SettingsResourcesRouter().defineRoute(router);
     SettingsSystemRouter().defineRoute(router);

lib/modules/settings/routes/settings/route.dart

@@ -45,24 +45,27 @@ class _State extends State<_Widget> with LunaScrollControllerMixin {
     return LunaListView(
       controller: scrollController,
       children: [
-        LunaBlock(
-          title: 'settings.Account'.tr(),
-          body: [TextSpan(text: 'settings.AccountDescription'.tr())],
-          trailing: const LunaIconButton(icon: Icons.person_rounded),
-          onTap: () async => SettingsAccountRouter().navigateTo(context),
-        ),
+        if (LunaFirebase.isSupported)
+          LunaBlock(
+            title: 'settings.Account'.tr(),
+            body: [TextSpan(text: 'settings.AccountDescription'.tr())],
+            trailing: const LunaIconButton(icon: Icons.person_rounded),
+            onTap: () async => SettingsAccountRouter().navigateTo(context),
+          ),
         LunaBlock(
           title: 'settings.Configuration'.tr(),
           body: [TextSpan(text: 'settings.ConfigurationDescription'.tr())],
           trailing: const LunaIconButton(icon: Icons.device_hub_rounded),
           onTap: () async => SettingsConfigurationRouter().navigateTo(context),
         ),
-        LunaBlock(
-          title: 'settings.Notifications'.tr(),
-          body: [TextSpan(text: 'settings.NotificationsDescription'.tr())],
-          trailing: const LunaIconButton(icon: Icons.notifications_rounded),
-          onTap: () async => SettingsNotificationsRouter().navigateTo(context),
-        ),
+        if (LunaFirebase.isSupported)
+          LunaBlock(
+            title: 'settings.Notifications'.tr(),
+            body: [TextSpan(text: 'settings.NotificationsDescription'.tr())],
+            trailing: const LunaIconButton(icon: Icons.notifications_rounded),
+            onTap: () async =>
+                SettingsNotificationsRouter().navigateTo(context),
+          ),
         LunaBlock(
           title: 'settings.Profiles'.tr(),
           body: [TextSpan(text: 'settings.ProfilesDescription'.tr())],

lib/modules/settings/routes/system/route.dart

@@ -123,7 +123,7 @@ class _State extends State<_Widget> with LunaScrollControllerMixin {
         bool result = await SettingsDialogs().clearConfiguration(context);
         if (result) {
           Database().bootstrap();
-          LunaFirebaseAuth().signOut();
+          if (LunaFirebase.isSupported) LunaFirebaseAuth().signOut();
           LunaState.reset(context);
           showLunaSuccessSnackBar(
             title: 'Configuration Cleared',