Enhance Pad Tracking with new Flow and Supply logic

lib/providers/user_provider.dart

@@ -2,10 +2,13 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:hive_flutter/hive_flutter.dart';
 import '../models/user_profile.dart';
 import '../models/cycle_entry.dart';
+
+import 'package:uuid/uuid.dart';
 import '../services/cycle_service.dart';
 
 /// Provider for the user profile
-final userProfileProvider = StateNotifierProvider<UserProfileNotifier, UserProfile?>((ref) {
+final userProfileProvider =
+    StateNotifierProvider<UserProfileNotifier, UserProfile?>((ref) {
   return UserProfileNotifier();
 });
 
@@ -38,9 +41,11 @@ class UserProfileNotifier extends StateNotifier<UserProfile?> {
     }
   }
 
-  Future<void> updateRelationshipStatus(RelationshipStatus relationshipStatus) async {
+  Future<void> updateRelationshipStatus(
+      RelationshipStatus relationshipStatus) async {
     if (state != null) {
-      await updateProfile(state!.copyWith(relationshipStatus: relationshipStatus));
+      await updateProfile(
+          state!.copyWith(relationshipStatus: relationshipStatus));
     }
   }
 
@@ -52,7 +57,8 @@ class UserProfileNotifier extends StateNotifier<UserProfile?> {
 }
 
 /// Provider for cycle entries
-final cycleEntriesProvider = StateNotifierProvider<CycleEntriesNotifier, List<CycleEntry>>((ref) {
+final cycleEntriesProvider =
+    StateNotifierProvider<CycleEntriesNotifier, List<CycleEntry>>((ref) {
   return CycleEntriesNotifier();
 });
 
@@ -102,6 +108,56 @@ class CycleEntriesNotifier extends StateNotifier<List<CycleEntry>> {
     await box.clear();
     state = [];
   }
+
+  Future<void> generateExampleData(String userId) async {
+    await clearEntries();
+    final box = Hive.box<CycleEntry>('cycle_entries');
+    final today = DateTime.now();
+
+    // Generate 3 past cycles (~28 days each)
+    DateTime cycleStart = today.subtract(const Duration(days: 84)); // 3 * 28
+
+    while (cycleStart.isBefore(today)) {
+      // Create Period (5 days)
+      for (int i = 0; i < 5; i++) {
+        final date = cycleStart.add(Duration(days: i));
+        if (date.isAfter(today)) break;
+
+        final isHeavy = i == 1 || i == 2;
+        final entry = CycleEntry(
+          id: const Uuid().v4(),
+          date: date,
+          isPeriodDay: true,
+          flowIntensity: isHeavy ? FlowIntensity.heavy : FlowIntensity.medium,
+          mood: i == 1 ? MoodLevel.sad : null,
+          crampIntensity: i == 0 ? 3 : null,
+          hasHeadache: i == 0,
+          createdAt: date,
+          updatedAt: date,
+        );
+        await box.put(entry.id, entry);
+      }
+
+      // Add random ovulation symptoms near day 14
+      final ovulationDay = cycleStart.add(const Duration(days: 14));
+      if (ovulationDay.isBefore(today)) {
+        final entry = CycleEntry(
+          id: const Uuid().v4(),
+          date: ovulationDay,
+          isPeriodDay: false,
+          energyLevel: 4, // High energy
+          mood: MoodLevel.veryHappy,
+          createdAt: ovulationDay,
+          updatedAt: ovulationDay,
+        );
+        await box.put(entry.id, entry);
+      }
+
+      cycleStart = cycleStart.add(const Duration(days: 28));
+    }
+
+    _loadEntries();
+  }
 }
 
 /// Computed provider for current cycle info