Add Providers Management to Master Data Hub and Enhance Provider Model

lib/features/master_data/master_data_hub_content.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flux/core/theme/theme.dart';
 import 'package:flux/features/customers/ui/customers_content.dart';
 import 'package:flux/features/master_data/products/ui/products_screen.dart';
+import 'package:flux/features/master_data/providers/ui/providers_master_data_screen.dart';
 import 'package:flux/features/master_data/staff/ui/staff_screen.dart';
 import 'package:flux/features/master_data/store/ui/stores_screen.dart';
 
@@ -38,34 +39,57 @@ class MasterDataHubContent extends StatelessWidget {
               mainAxisSpacing: 16,
               crossAxisSpacing: 16,
               children: [
-                _HubCard(
-                  label: 'Prodotti',
+                _buildHubCard(
+                  context,
+                  title: 'Prodotti',
+                  subtitle: 'Anagrafica di Marche e Modelli',
                   icon: Icons.inventory_2_outlined,
                   color: Colors.blue,
                   onTap: () => onOpenPage(
                     const ProductsScreen(),
                   ), // Apre ProductsScreen, // Indice per ProductsScreen
                 ),
-                _HubCard(
-                  label: 'Clienti',
+                _buildHubCard(
+                  context,
+                  title: 'Clienti',
+                  subtitle: 'Anagrafica dei clienti del tuo business',
                   icon: Icons.people_outlined,
                   color: Colors.orange,
                   onTap: () => onOpenPage(
                     const CustomersContent(),
                   ), // Indice per CustomersContent
                 ),
-                _HubCard(
-                  label: 'Commessi',
+                _buildHubCard(
+                  context,
+                  title: 'Addetti',
+                  subtitle: 'Anagrafica del personale e dei collaboratori',
                   icon: Icons.badge_outlined,
                   color: Colors.teal,
                   onTap: () => onOpenPage(const StaffScreen()),
                 ),
-                _HubCard(
-                  label: 'Negozi',
+                _buildHubCard(
+                  context,
+                  title: 'Negozi',
+                  subtitle: 'Anagrafica punti vendita della tua azienda',
                   icon: Icons.storefront_outlined,
                   color: Colors.purple,
                   onTap: () => onOpenPage(const StoresScreen()),
                 ),
+                _buildHubCard(
+                  context,
+                  title: 'Gestione Provider',
+                  subtitle: 'Anagrafica mandati e servizi abilitati',
+                  icon: Icons.handshake_rounded,
+                  color: Colors.indigo,
+                  onTap: () {
+                    Navigator.push(
+                      context,
+                      MaterialPageRoute(
+                        builder: (context) => const ProvidersMasterDataScreen(),
+                      ),
+                    );
+                  },
+                ),
               ],
             ),
           ),
@@ -75,41 +99,57 @@ class MasterDataHubContent extends StatelessWidget {
   }
 }
 
-// Widget semplice per le card dell'hub
-class _HubCard extends StatelessWidget {
-  final String label;
-  final IconData icon;
-  final Color color;
-  final VoidCallback onTap;
-
-  const _HubCard({
-    required this.label,
-    required this.icon,
-    required this.color,
-    required this.onTap,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return Card(
-      elevation: 0,
-      color: context.background,
-      shape: RoundedRectangleBorder(
-        borderRadius: BorderRadius.circular(16),
-        side: BorderSide(color: context.accent.withValues(alpha: 0.1)),
-      ),
-      child: InkWell(
-        onTap: onTap,
-        borderRadius: BorderRadius.circular(16),
+Widget _buildHubCard(
+  BuildContext context, {
+  required String title,
+  required String subtitle,
+  required IconData icon,
+  required Color color,
+  required VoidCallback onTap,
+}) {
+  return Card(
+    clipBehavior: Clip.antiAlias,
+    elevation: 2,
+    shape: RoundedRectangleBorder(
+      borderRadius: BorderRadius.circular(16),
+    ), // Un pelo più arrotondato
+    child: InkWell(
+      onTap: onTap,
+      child: Padding(
+        padding: const EdgeInsets.all(
+          24.0,
+        ), // Aumentiamo il padding per dare respiro
         child: Column(
-          mainAxisAlignment: MainAxisAlignment.center,
+          mainAxisAlignment: MainAxisAlignment.center, // CENTRA VERTICALMENTE
+          crossAxisAlignment:
+              CrossAxisAlignment.center, // CENTRA ORIZZONTALMENTE
           children: [
-            Icon(icon, color: color, size: 40),
-            const SizedBox(height: 12),
-            Text(label, style: const TextStyle(fontWeight: FontWeight.bold)),
+            // Icona con un leggero sfondo circolare opaco per farla risaltare
+            Container(
+              padding: const EdgeInsets.all(12),
+              decoration: BoxDecoration(
+                color: color.withValues(alpha: 0.1), // <--- API moderna
+                shape: BoxShape.circle,
+              ),
+              child: Icon(icon, size: 48, color: color),
+            ),
+            const SizedBox(height: 16),
+            Text(
+              title,
+              textAlign: TextAlign.center, // Centra il testo
+              style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
+            ),
+            const SizedBox(height: 8),
+            Text(
+              subtitle,
+              textAlign: TextAlign.center, // Centra il sottotitolo
+              style: TextStyle(fontSize: 13, color: Colors.grey.shade500),
+              maxLines: 2,
+              overflow: TextOverflow.ellipsis,
+            ),
           ],
         ),
       ),
-    );
-  }
+    ),
+  );
 }