runable

lib/core/routing/app_router.dart

@@ -0,0 +1,211 @@
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+
+import '../../features/scanner/presentation/pages/home_page.dart';
+import '../../features/scanner/presentation/pages/detail_page.dart';
+
+/// Application router configuration using GoRouter
+final GoRouter appRouter = GoRouter(
+  initialLocation: '/',
+  debugLogDiagnostics: true,
+  routes: [
+    // Home route - Main scanner screen
+    GoRoute(
+      path: '/',
+      name: 'home',
+      builder: (BuildContext context, GoRouterState state) {
+        return const HomePage();
+      },
+    ),
+
+    // Detail route - Edit scan data
+    GoRoute(
+      path: '/detail/:barcode',
+      name: 'detail',
+      builder: (BuildContext context, GoRouterState state) {
+        final barcode = state.pathParameters['barcode']!;
+        return DetailPage(barcode: barcode);
+      },
+      redirect: (BuildContext context, GoRouterState state) {
+        final barcode = state.pathParameters['barcode'];
+
+        // Ensure barcode is not empty
+        if (barcode == null || barcode.trim().isEmpty) {
+          return '/';
+        }
+
+        return null; // No redirect needed
+      },
+    ),
+
+    // Settings route (optional for future expansion)
+    GoRoute(
+      path: '/settings',
+      name: 'settings',
+      builder: (BuildContext context, GoRouterState state) {
+        return const SettingsPlaceholderPage();
+      },
+    ),
+
+    // About route (optional for future expansion)
+    GoRoute(
+      path: '/about',
+      name: 'about',
+      builder: (BuildContext context, GoRouterState state) {
+        return const AboutPlaceholderPage();
+      },
+    ),
+  ],
+
+  // Error handling
+  errorBuilder: (context, state) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Page Not Found'),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Icon(
+              Icons.error_outline,
+              size: 64,
+              color: Theme.of(context).colorScheme.error,
+            ),
+            const SizedBox(height: 16),
+            Text(
+              'Page Not Found',
+              style: Theme.of(context).textTheme.headlineSmall,
+            ),
+            const SizedBox(height: 8),
+            Text(
+              'The page "${state.path}" does not exist.',
+              style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                    color: Theme.of(context).colorScheme.onSurfaceVariant,
+                  ),
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 24),
+            ElevatedButton(
+              onPressed: () => context.go('/'),
+              child: const Text('Go Home'),
+            ),
+          ],
+        ),
+      ),
+    );
+  },
+
+  // Redirect handler for authentication or onboarding (optional)
+  redirect: (BuildContext context, GoRouterState state) {
+    // Add any global redirect logic here
+    // For example, redirect to onboarding or login if needed
+
+    return null; // No global redirect
+  },
+);
+
+/// Placeholder page for settings (for future implementation)
+class SettingsPlaceholderPage extends StatelessWidget {
+  const SettingsPlaceholderPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Settings'),
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () => context.pop(),
+        ),
+      ),
+      body: const Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Icon(
+              Icons.settings,
+              size: 64,
+              color: Colors.grey,
+            ),
+            SizedBox(height: 16),
+            Text(
+              'Settings',
+              style: TextStyle(
+                fontSize: 24,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+            SizedBox(height: 8),
+            Text(
+              'Settings page coming soon',
+              style: TextStyle(
+                color: Colors.grey,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+/// Placeholder page for about (for future implementation)
+class AboutPlaceholderPage extends StatelessWidget {
+  const AboutPlaceholderPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('About'),
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () => context.pop(),
+        ),
+      ),
+      body: const Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Icon(
+              Icons.info_outline,
+              size: 64,
+              color: Colors.grey,
+            ),
+            SizedBox(height: 16),
+            Text(
+              'Barcode Scanner App',
+              style: TextStyle(
+                fontSize: 24,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+            SizedBox(height: 8),
+            Text(
+              'Version 1.0.0',
+              style: TextStyle(
+                color: Colors.grey,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+/// Extension methods for easier navigation
+extension AppRouterExtension on BuildContext {
+  /// Navigate to home page
+  void goHome() => go('/');
+
+  /// Navigate to detail page with barcode
+  void goToDetail(String barcode) => go('/detail/$barcode');
+
+  /// Navigate to settings
+  void goToSettings() => go('/settings');
+
+  /// Navigate to about page
+  void goToAbout() => go('/about');
+}