ticket labels e ticket receipt

lib/features/settings/document_sequence/blocs/document_sequence_cubit.dart

@@ -0,0 +1,70 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flux/features/settings/document_sequence/models/document_sequence_model.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+
+class DocumentSequenceState {
+  final List<DocumentSequence> sequences;
+  final bool isLoading;
+  final String? error;
+
+  DocumentSequenceState({
+    this.sequences = const [],
+    this.isLoading = false,
+    this.error,
+  });
+}
+
+class DocumentSequenceCubit extends Cubit<DocumentSequenceState> {
+  final String companyId;
+  final _supabase = Supabase.instance.client;
+
+  DocumentSequenceCubit(this.companyId) : super(DocumentSequenceState());
+
+  Future<void> loadSequences() async {
+    emit(DocumentSequenceState(isLoading: true));
+    try {
+      final data = await _supabase
+          .from('document_sequences')
+          .select()
+          .eq('company_id', companyId);
+
+      final list = (data as List)
+          .map((e) => DocumentSequence.fromMap(e))
+          .toList();
+      emit(DocumentSequenceState(sequences: list));
+    } catch (e) {
+      emit(DocumentSequenceState(error: e.toString()));
+    }
+  }
+
+  void updateLocalSequence(String docType, {String? prefix, int? nextValue}) {
+    final newList = state.sequences.map((s) {
+      if (s.docType == docType) {
+        return s.copyWith(prefix: prefix, nextValue: nextValue);
+      }
+      return s;
+    }).toList();
+    emit(DocumentSequenceState(sequences: newList));
+  }
+
+  Future<void> saveSequences() async {
+    try {
+      for (var seq in state.sequences) {
+        await _supabase.from('document_sequences').upsert({
+          'company_id': companyId,
+          'doc_type': seq.docType,
+          'next_value': seq.nextValue,
+          'prefix': seq.prefix,
+        });
+      }
+      // Opzionale: mostra un feedback di successo
+    } catch (e) {
+      emit(
+        DocumentSequenceState(
+          sequences: state.sequences,
+          error: "Errore nel salvataggio",
+        ),
+      );
+    }
+  }
+}