operator profiles - import, reorderable

lib/state/operator_profile_state.dart

@@ -1,12 +1,16 @@
 import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 import '../models/operator_profile.dart';
 import '../services/operator_profile_service.dart';
 
 class OperatorProfileState extends ChangeNotifier {
+  static const String _profileOrderPrefsKey = 'operator_profile_order';
+  
   final List<OperatorProfile> _profiles = [];
+  List<String> _customOrder = []; // List of profile IDs in user's preferred order
 
-  List<OperatorProfile> get profiles => List.unmodifiable(_profiles);
+  List<OperatorProfile> get profiles => List.unmodifiable(_getOrderedProfiles());
 
   Future<void> init({bool addDefaults = false}) async {
     _profiles.addAll(await OperatorProfileService().load());
@@ -16,6 +20,10 @@ class OperatorProfileState extends ChangeNotifier {
       _profiles.addAll(OperatorProfile.getDefaults());
       await OperatorProfileService().save(_profiles);
     }
+    
+    // Load custom order from prefs
+    final prefs = await SharedPreferences.getInstance();
+    _customOrder = prefs.getStringList(_profileOrderPrefsKey) ?? [];
   }
 
   void addOrUpdateProfile(OperatorProfile p) {
@@ -34,4 +42,56 @@ class OperatorProfileState extends ChangeNotifier {
     OperatorProfileService().save(_profiles);
     notifyListeners();
   }
+
+  // Reorder profiles (for drag-and-drop in settings)
+  void reorderProfiles(int oldIndex, int newIndex) {
+    final orderedProfiles = _getOrderedProfiles();
+    
+    // Standard Flutter reordering logic
+    if (oldIndex < newIndex) {
+      newIndex -= 1;
+    }
+    final item = orderedProfiles.removeAt(oldIndex);
+    orderedProfiles.insert(newIndex, item);
+    
+    // Update custom order with new sequence
+    _customOrder = orderedProfiles.map((p) => p.id).toList();
+    _saveCustomOrder();
+    notifyListeners();
+  }
+  
+  // Get profiles in custom order, with unordered profiles at the end
+  List<OperatorProfile> _getOrderedProfiles() {
+    if (_customOrder.isEmpty) {
+      return List.from(_profiles);
+    }
+    
+    final ordered = <OperatorProfile>[];
+    final profilesById = {for (final p in _profiles) p.id: p};
+    
+    // Add profiles in custom order
+    for (final id in _customOrder) {
+      final profile = profilesById[id];
+      if (profile != null) {
+        ordered.add(profile);
+        profilesById.remove(id);
+      }
+    }
+    
+    // Add any remaining profiles that weren't in the custom order
+    ordered.addAll(profilesById.values);
+    
+    return ordered;
+  }
+  
+  // Save custom order to disk
+  Future<void> _saveCustomOrder() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      await prefs.setStringList(_profileOrderPrefsKey, _customOrder);
+    } catch (e) {
+      // Fail gracefully in tests or if SharedPreferences isn't available
+      debugPrint('[OperatorProfileState] Failed to save custom order: $e');
+    }
+  }
 }