feat: adds auto sync feature and fixes UI a bit up

lib/providers/settings_provider.dart

@@ -9,7 +9,7 @@ enum ThemeOption {
 
 class SettingsProvider extends ChangeNotifier {
   ThemeOption _themeOption = ThemeOption.system;
-  
+
   // Time range settings (stored as hours, 0-23)
   int _morningStart = 5;
   int _morningEnd = 10;
@@ -19,14 +19,18 @@ class SettingsProvider extends ChangeNotifier {
   int _eveningEnd = 22;
   int _nightStart = 23;
   int _nightEnd = 4;
-  
+
   // Persistent reminder settings
   bool _persistentReminders = true;
   int _reminderRetryInterval = 5; // minutes
   int _maxRetryAttempts = 3;
-  
+
+  // Auto-sync settings
+  bool _autoSyncEnabled = false;
+  int _autoSyncDebounceSeconds = 5;
+
   ThemeOption get themeOption => _themeOption;
-  
+
   // Time range getters
   int get morningStart => _morningStart;
   int get morningEnd => _morningEnd;
@@ -36,22 +40,26 @@ class SettingsProvider extends ChangeNotifier {
   int get eveningEnd => _eveningEnd;
   int get nightStart => _nightStart;
   int get nightEnd => _nightEnd;
-  
+
   // Persistent reminder getters
   bool get persistentReminders => _persistentReminders;
   int get reminderRetryInterval => _reminderRetryInterval;
   int get maxRetryAttempts => _maxRetryAttempts;
-  
+
+  // Auto-sync getters
+  bool get autoSyncEnabled => _autoSyncEnabled;
+  int get autoSyncDebounceSeconds => _autoSyncDebounceSeconds;
+
   // Helper method to get formatted time ranges for display
   String get morningRange => '${_formatHour(_morningStart)} - ${_formatHour((_morningEnd + 1) % 24)}';
   String get afternoonRange => '${_formatHour(_afternoonStart)} - ${_formatHour((_afternoonEnd + 1) % 24)}';
   String get eveningRange => '${_formatHour(_eveningStart)} - ${_formatHour((_eveningEnd + 1) % 24)}';
   String get nightRange => '${_formatHour(_nightStart)} - ${_formatHour((_nightEnd + 1) % 24)}';
-  
+
   String _formatHour(int hour) {
     return '${hour.toString().padLeft(2, '0')}:00';
   }
-  
+
   ThemeMode get themeMode {
     switch (_themeOption) {
       case ThemeOption.light:
@@ -67,7 +75,7 @@ class SettingsProvider extends ChangeNotifier {
     final prefs = await SharedPreferences.getInstance();
     final themeIndex = prefs.getInt('theme_option') ?? 0;
     _themeOption = ThemeOption.values[themeIndex];
-    
+
     // Load time range settings
     _morningStart = prefs.getInt('morning_start') ?? 5;
     _morningEnd = prefs.getInt('morning_end') ?? 10;
@@ -77,19 +85,23 @@ class SettingsProvider extends ChangeNotifier {
     _eveningEnd = prefs.getInt('evening_end') ?? 22;
     _nightStart = prefs.getInt('night_start') ?? 23;
     _nightEnd = prefs.getInt('night_end') ?? 4;
-    
+
     // Load persistent reminder settings
     _persistentReminders = prefs.getBool('persistent_reminders') ?? true;
     _reminderRetryInterval = prefs.getInt('reminder_retry_interval') ?? 5;
     _maxRetryAttempts = prefs.getInt('max_retry_attempts') ?? 3;
-    
+
+    // Load auto-sync settings
+    _autoSyncEnabled = prefs.getBool('auto_sync_enabled') ?? false;
+    _autoSyncDebounceSeconds = prefs.getInt('auto_sync_debounce_seconds') ?? 30;
+
     notifyListeners();
   }
 
   Future<void> setThemeOption(ThemeOption option) async {
     _themeOption = option;
     notifyListeners();
-    
+
     final prefs = await SharedPreferences.getInstance();
     await prefs.setInt('theme_option', option.index);
   }
@@ -146,14 +158,14 @@ class SettingsProvider extends ChangeNotifier {
     if (morningStart > morningEnd) return false;
     if (afternoonStart > afternoonEnd) return false;
     if (eveningStart > eveningEnd) return false;
-    
+
     // Night can wrap around midnight, so we allow nightStart > nightEnd
-    
+
     // Check for overlaps in sequential periods
     if (morningEnd >= afternoonStart) return false;
     if (afternoonEnd >= eveningStart) return false;
     if (eveningEnd >= nightStart) return false;
-    
+
     return true;
   }
 
@@ -174,7 +186,7 @@ class SettingsProvider extends ChangeNotifier {
     int afternoonCount = 0;
     int eveningCount = 0;
     int nightCount = 0;
-    
+
     for (final hour in hours) {
       if (hour >= _morningStart && hour <= _morningEnd) {
         morningCount++;
@@ -186,13 +198,13 @@ class SettingsProvider extends ChangeNotifier {
         nightCount++;
       }
     }
-    
+
     // If supplement is taken throughout the day (has times in multiple periods)
-    final periodsCount = (morningCount > 0 ? 1 : 0) + 
-                        (afternoonCount > 0 ? 1 : 0) + 
-                        (eveningCount > 0 ? 1 : 0) + 
+    final periodsCount = (morningCount > 0 ? 1 : 0) +
+                        (afternoonCount > 0 ? 1 : 0) +
+                        (eveningCount > 0 ? 1 : 0) +
                         (nightCount > 0 ? 1 : 0);
-    
+
     if (periodsCount >= 2) {
       // Categorize based on the earliest reminder time for consistency
       final earliestHour = hours.reduce((a, b) => a < b ? a : b);
@@ -206,7 +218,7 @@ class SettingsProvider extends ChangeNotifier {
         return 'night';
       }
     }
-    
+
     // If all times are in one period, categorize accordingly
     if (morningCount > 0) {
       return 'morning';
@@ -236,7 +248,7 @@ class SettingsProvider extends ChangeNotifier {
   Future<void> setPersistentReminders(bool enabled) async {
     _persistentReminders = enabled;
     notifyListeners();
-    
+
     final prefs = await SharedPreferences.getInstance();
     await prefs.setBool('persistent_reminders', enabled);
   }
@@ -244,7 +256,7 @@ class SettingsProvider extends ChangeNotifier {
   Future<void> setReminderRetryInterval(int minutes) async {
     _reminderRetryInterval = minutes;
     notifyListeners();
-    
+
     final prefs = await SharedPreferences.getInstance();
     await prefs.setInt('reminder_retry_interval', minutes);
   }
@@ -252,8 +264,25 @@ class SettingsProvider extends ChangeNotifier {
   Future<void> setMaxRetryAttempts(int attempts) async {
     _maxRetryAttempts = attempts;
     notifyListeners();
-    
+
     final prefs = await SharedPreferences.getInstance();
     await prefs.setInt('max_retry_attempts', attempts);
   }
+
+  // Auto-sync setters
+  Future<void> setAutoSyncEnabled(bool enabled) async {
+    _autoSyncEnabled = enabled;
+    notifyListeners();
+
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool('auto_sync_enabled', enabled);
+  }
+
+  Future<void> setAutoSyncDebounceSeconds(int seconds) async {
+    _autoSyncDebounceSeconds = seconds;
+    notifyListeners();
+
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setInt('auto_sync_debounce_seconds', seconds);
+  }
 }