feat(navigation): update bottom navigation

- Updated navigation destinations
- Navigates on index change
- Removed search and account
- Added settings page

Author: fulleni

lib/app/view/app_scaffold.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_adaptive_scaffold/flutter_adaptive_scaffold.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:go_router/go_router.dart';
 import 'package:ht_main/app/bloc/app_bloc.dart';
+import 'package:ht_main/router/routes.dart';
 
 class AppScaffold extends StatelessWidget {
   const AppScaffold({required this.child, super.key});
@@ -27,6 +29,11 @@ class AppScaffold extends StatelessWidget {
               context.read<AppBloc>().add(
                     AppNavigationIndexChanged(index: index, context: context),
                   );
+              if (index == 0) {
+                context.goNamed(Routes.headlinesFeedName);
+              } else if (index == 1) {
+                context.goNamed(Routes.settingsName);
+              }
             },
             destinations: const [
               NavigationDestination(
@@ -35,14 +42,9 @@ class AppScaffold extends StatelessWidget {
                 label: 'Headlines',
               ),
               NavigationDestination(
-                icon: Icon(Icons.search_outlined),
-                selectedIcon: Icon(Icons.search),
-                label: 'Search',
-              ),
-              NavigationDestination(
-                icon: Icon(Icons.account_circle_outlined),
-                selectedIcon: Icon(Icons.account_circle),
-                label: 'Account',
+                icon: Icon(Icons.settings_outlined),
+                selectedIcon: Icon(Icons.settings),
+                label: 'Settings',
               ),
             ],
           );

lib/router/router.dart

@@ -39,11 +39,11 @@ final appRouter = GoRouter(
           },
         ),
         GoRoute(
-          path: Routes.account,
-          name: Routes.accountName,
+          path: Routes.settings,
+          name: Routes.settingsName,
           builder: (BuildContext context, GoRouterState state) {
             return const Placeholder(
-              child: Center(child: Text('ACCOUNT PAGE')),
+              child: Center(child: Text('SETTINGS PAGE')),
             );
           },
         ),

lib/router/routes.dart

@@ -5,18 +5,16 @@ abstract final class Routes {
   static const headlinesFeedName = 'headlinesFeed';
   static const search = '/search';
   static const searchName = 'search';
-  static const account = '/account';
-  static const accountName = 'account';
+  static const settings = '/settings';
+  static const settingsName = 'settings';
   static const articleDetailsName = 'articleDetails'; // For the sub-route
 
   static String getRouteNameByIndex(int index) {
     switch (index) {
       case 0:
         return headlinesFeedName;
       case 1:
-        return searchName;
-      case 2:
-        return accountName;
+        return settingsName;
       default:
         throw ArgumentError('Invalid index: $index');
     }