add auth

lib/core/router/app_router.dart

@@ -5,9 +5,11 @@
 library;
 
 import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 
 import 'package:worker/features/account/presentation/pages/addresses_page.dart';
+import 'package:worker/features/auth/presentation/providers/auth_provider.dart';
 import 'package:worker/features/account/presentation/pages/change_password_page.dart';
 import 'package:worker/features/account/presentation/pages/profile_edit_page.dart';
 import 'package:worker/features/auth/domain/entities/business_unit.dart';
@@ -39,20 +41,41 @@ import 'package:worker/features/showrooms/presentation/pages/design_request_crea
 import 'package:worker/features/showrooms/presentation/pages/design_request_detail_page.dart';
 import 'package:worker/features/showrooms/presentation/pages/model_houses_page.dart';
 
-/// App Router
+/// Router Provider
 ///
-/// Handles navigation throughout the app using declarative routing.
-/// Features:
-/// - Named routes for type-safe navigation
-/// - Authentication guards (TODO: implement when auth is ready)
-/// - Deep linking support
-/// - Transition animations
-class AppRouter {
-  /// Router configuration
-  static final GoRouter router = GoRouter(
+/// Provides GoRouter instance with auth state management
+final routerProvider = Provider<GoRouter>((ref) {
+  final authState = ref.watch(authProvider);
+
+  return GoRouter(
     // Initial route
     initialLocation: RouteNames.login,
 
+    // Redirect based on auth state
+    redirect: (context, state) {
+      final isLoggedIn = authState.value != null;
+      final isOnLoginPage = state.matchedLocation == RouteNames.login;
+      final isOnRegisterPage = state.matchedLocation == RouteNames.register;
+      final isOnBusinessUnitPage =
+          state.matchedLocation == RouteNames.businessUnitSelection;
+      final isOnOtpPage = state.matchedLocation == RouteNames.otpVerification;
+      final isOnAuthPage =
+          isOnLoginPage || isOnRegisterPage || isOnBusinessUnitPage || isOnOtpPage;
+
+      // If not logged in and not on auth pages, redirect to login
+      if (!isLoggedIn && !isOnAuthPage) {
+        return RouteNames.login;
+      }
+
+      // If logged in and on login page, redirect to home
+      if (isLoggedIn && isOnLoginPage) {
+        return RouteNames.home;
+      }
+
+      // No redirect needed
+      return null;
+    },
+
     // Route definitions
     routes: [
       // Authentication Routes
@@ -384,26 +407,10 @@ class AppRouter {
       ),
     ),
 
-    // Redirect logic for authentication (TODO: implement when auth is ready)
-    // redirect: (context, state) {
-    //   final isLoggedIn = false; // TODO: Get from auth provider
-    //   final isOnLoginPage = state.matchedLocation == RouteNames.login;
-    //
-    //   if (!isLoggedIn && !isOnLoginPage) {
-    //     return RouteNames.login;
-    //   }
-    //
-    //   if (isLoggedIn && isOnLoginPage) {
-    //     return RouteNames.home;
-    //   }
-    //
-    //   return null;
-    // },
-
     // Debug logging (disable in production)
     debugLogDiagnostics: true,
   );
-}
+});
 
 /// Route Names
 ///