refined document sequence management

lib/features/settings/document_sequence/ui/document_sequence_section.dart

@@ -1,17 +1,34 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flux/features/settings/document_sequence/blocs/document_sequence_cubit.dart';
+import 'package:flux/features/settings/document_sequence/models/document_sequence_model.dart';
 
 class DocumentSequenceSection extends StatelessWidget {
   const DocumentSequenceSection({super.key});
 
+  // La nostra lista "Ninja" di tutti i documenti gestiti dall'app
+  // Se domani aggiungo le fatture, basta aggiungere una riga qui!
+  // e all'enum DocumentType nel model
+  static final supportedDocumentTypes = [
+    {
+      'type': DocumentType.ticket.name,
+      'label': 'TICKET',
+      'defaultPrefix': 'TCK',
+    },
+    {
+      'type': DocumentType.shipment.name,
+      'label': 'DDT (Documento di Trasporto)',
+      'defaultPrefix': 'DDT',
+    },
+  ];
+
   @override
   Widget build(BuildContext context) {
     final year = DateTime.now().year;
 
     return BlocBuilder<DocumentSequenceCubit, DocumentSequenceState>(
       builder: (context, state) {
-        if (state.isLoading) {
+        if (state.status == DocumentSequenceStatus.loading) {
           return const Center(child: CircularProgressIndicator());
         }
 
@@ -27,10 +44,26 @@ class DocumentSequenceSection extends StatelessWidget {
                 ).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold),
               ),
             ),
-            ...state.sequences.map((seq) {
-              // Anteprima dinamica
+
+            // Invece di mappare state.sequences, mappiamo i documenti supportati
+            ...supportedDocumentTypes.map((docDef) {
+              final docType = docDef['type']!;
+
+              // Cerchiamo se c'è già una configurazione nello stato per questo documento
+              final existingList = state.sequences
+                  .where((s) => s.docType == docType)
+                  .toList();
+              final existingSeq = existingList.isNotEmpty
+                  ? existingList.first
+                  : null;
+
+              // Se esiste usiamo i suoi valori, altrimenti i default
+              final prefix = existingSeq?.prefix ?? docDef['defaultPrefix']!;
+              final nextValue = existingSeq?.nextValue ?? 1;
+
+              // Anteprima dinamica (aggiornata a 4 zeri come nel DB!)
               final preview =
-                  "${seq.prefix.isNotEmpty ? '${seq.prefix}-' : ''}$year-${seq.nextValue.toString().padLeft(6, '0')}";
+                  "${prefix.isNotEmpty ? '$prefix-' : ''}$year-${nextValue.toString().padLeft(4, '0')}";
 
               return Card(
                 margin: const EdgeInsets.only(bottom: 12),
@@ -40,7 +73,7 @@ class DocumentSequenceSection extends StatelessWidget {
                     crossAxisAlignment: CrossAxisAlignment.start,
                     children: [
                       Text(
-                        seq.docType.toUpperCase(),
+                        docDef['label']!,
                         style: const TextStyle(
                           fontWeight: FontWeight.bold,
                           color: Colors.blue,
@@ -52,24 +85,21 @@ class DocumentSequenceSection extends StatelessWidget {
                           Expanded(
                             flex: 2,
                             child: TextFormField(
-                              initialValue: seq.prefix,
+                              initialValue: prefix,
                               decoration: const InputDecoration(
                                 labelText: 'Prefisso',
                                 hintText: 'es. TCK',
                               ),
                               onChanged: (val) => context
                                   .read<DocumentSequenceCubit>()
-                                  .updateLocalSequence(
-                                    seq.docType,
-                                    prefix: val,
-                                  ),
+                                  .updateLocalSequence(docType, prefix: val),
                             ),
                           ),
                           const SizedBox(width: 16),
                           Expanded(
                             flex: 3,
                             child: TextFormField(
-                              initialValue: seq.nextValue.toString(),
+                              initialValue: nextValue.toString(),
                               keyboardType: TextInputType.number,
                               decoration: const InputDecoration(
                                 labelText: 'Prossimo Numero',
@@ -77,7 +107,7 @@ class DocumentSequenceSection extends StatelessWidget {
                               onChanged: (val) => context
                                   .read<DocumentSequenceCubit>()
                                   .updateLocalSequence(
-                                    seq.docType,
+                                    docType,
                                     nextValue: int.tryParse(val) ?? 1,
                                   ),
                             ),
@@ -88,7 +118,9 @@ class DocumentSequenceSection extends StatelessWidget {
                       Container(
                         padding: const EdgeInsets.all(8),
                         decoration: BoxDecoration(
-                          color: Colors.grey.shade100,
+                          color: Colors
+                              .grey
+                              .shade100, // Se hai un tema scuro potresti voler usare Theme.of(context).colorScheme.surfaceContainer
                           borderRadius: BorderRadius.circular(8),
                         ),
                         child: Row(
@@ -102,7 +134,9 @@ class DocumentSequenceSection extends StatelessWidget {
                             Text(
                               "Anteprima prossimo: ",
                               style: TextStyle(
-                                color: Colors.grey.shade700,
+                                color: Colors
+                                    .grey
+                                    .shade700, // Idem per la dark mode
                                 fontSize: 12,
                               ),
                             ),