Atualização de gauge

lib/quiz/quiz_prefs.dart

@@ -1,9 +1,27 @@
 import 'package:shared_preferences/shared_preferences.dart';
 
+/// Resultado do quiz, sempre com os dois indicadores juntos — nunca faz
+/// sentido guardar/ler um sem o outro.
+class QuizResultData {
+  const QuizResultData({
+    required this.signs,
+    required this.signsMax,
+    required this.factors,
+    required this.factorsMax,
+  });
+
+  final int signs;
+  final int signsMax;
+  final int factors;
+  final int factorsMax;
+}
+
 class QuizPrefs {
   static const String _kSeenQuizKey = 'seen_oral_quiz_v1';
-  static const String _kLastScoreKey = 'last_oral_quiz_score_v1';
-  static const String _kLastMaxScoreKey = 'last_oral_quiz_max_score_v1';
+  static const String _kSignsKey = 'last_oral_quiz_signs_v2';
+  static const String _kSignsMaxKey = 'last_oral_quiz_signs_max_v2';
+  static const String _kFactorsKey = 'last_oral_quiz_factors_v2';
+  static const String _kFactorsMaxKey = 'last_oral_quiz_factors_max_v2';
 
   static String _scopeKey(String base, String? scopeId) {
     final id = (scopeId ?? '').trim();
@@ -21,47 +39,56 @@ class QuizPrefs {
     await prefs.setBool(_kSeenQuizKey, true);
   }
 
-  static Future<void> saveLastResult({required int score, required int maxScore}) async {
+  static Future<void> saveLastResult(QuizResultData result) async {
+    await saveLastResultForScope(scopeId: null, result: result);
+  }
+
+  static Future<void> saveLastResultForUser({
+    required String userId,
+    required QuizResultData result,
+  }) async {
+    await saveLastResultForScope(scopeId: userId, result: result);
+  }
+
+  static Future<void> saveLastResultForScope({
+    required String? scopeId,
+    required QuizResultData result,
+  }) async {
     final prefs = await SharedPreferences.getInstance();
-    await prefs.setInt(_kLastScoreKey, score);
-    await prefs.setInt(_kLastMaxScoreKey, maxScore);
+    await prefs.setInt(_scopeKey(_kSignsKey, scopeId), result.signs);
+    await prefs.setInt(_scopeKey(_kSignsMaxKey, scopeId), result.signsMax);
+    await prefs.setInt(_scopeKey(_kFactorsKey, scopeId), result.factors);
+    await prefs.setInt(
+      _scopeKey(_kFactorsMaxKey, scopeId),
+      result.factorsMax,
+    );
   }
 
-  static Future<void> saveLastResultForUser({required String userId, required int score, required int maxScore}) async {
-    await saveLastResultForScope(scopeId: userId, score: score, maxScore: maxScore);
-  }
+  static Future<QuizResultData?> getLastResult() =>
+      getLastResultForScope(null);
 
-  static Future<void> saveLastResultForScope({required String scopeId, required int score, required int maxScore}) async {
+  static Future<QuizResultData?> getLastResultForUser(String userId) =>
+      getLastResultForScope(userId);
+
+  static Future<QuizResultData?> getLastResultForScope(
+    String? scopeId,
+  ) async {
     final prefs = await SharedPreferences.getInstance();
-    await prefs.setInt(_scopeKey(_kLastScoreKey, scopeId), score);
-    await prefs.setInt(_scopeKey(_kLastMaxScoreKey, scopeId), maxScore);
-  }
-
-  static Future<int?> getLastScore() async {
-    final prefs = await SharedPreferences.getInstance();
-    return prefs.getInt(_kLastScoreKey);
-  }
-
-  static Future<int?> getLastScoreForUser(String userId) async {
-    return getLastScoreForScope(userId);
-  }
-
-  static Future<int?> getLastScoreForScope(String scopeId) async {
-    final prefs = await SharedPreferences.getInstance();
-    return prefs.getInt(_scopeKey(_kLastScoreKey, scopeId));
-  }
-
-  static Future<int?> getLastMaxScore() async {
-    final prefs = await SharedPreferences.getInstance();
-    return prefs.getInt(_kLastMaxScoreKey);
-  }
-
-  static Future<int?> getLastMaxScoreForUser(String userId) async {
-    return getLastMaxScoreForScope(userId);
-  }
-
-  static Future<int?> getLastMaxScoreForScope(String scopeId) async {
-    final prefs = await SharedPreferences.getInstance();
-    return prefs.getInt(_scopeKey(_kLastMaxScoreKey, scopeId));
+    final signs = prefs.getInt(_scopeKey(_kSignsKey, scopeId));
+    final signsMax = prefs.getInt(_scopeKey(_kSignsMaxKey, scopeId));
+    final factors = prefs.getInt(_scopeKey(_kFactorsKey, scopeId));
+    final factorsMax = prefs.getInt(_scopeKey(_kFactorsMaxKey, scopeId));
+    if (signs == null ||
+        signsMax == null ||
+        factors == null ||
+        factorsMax == null) {
+      return null;
+    }
+    return QuizResultData(
+      signs: signs,
+      signsMax: signsMax,
+      factors: factors,
+      factorsMax: factorsMax,
+    );
   }
 }