Update Saqel Platform: 2026-09-08 13:43:36

apps/student_app/lib/logic/cubits/exam_cubit.dart

@@ -192,17 +192,11 @@ class ExamCubit extends Cubit<ExamState> {
     }).toList();
 
     try {
-      ExamSubmissionResultModel result;
-      try {
-        result = await _repository.submitExam(
-          s.exam.id,
-          answers: formattedAnswers,
-          timeSpentSeconds: timeSpent,
-        );
-      } catch (_) {
-        // Safe offline evaluation fallback if API token not present
-        result = _evaluateLocally(s.exam, s.selectedAnswers);
-      }
+      final result = await _repository.submitExam(
+        s.exam.id,
+        answers: formattedAnswers,
+        timeSpentSeconds: timeSpent,
+      );
 
       emit(ExamCompleted(
         exam: s.exam,
@@ -214,59 +208,4 @@ class ExamCubit extends Cubit<ExamState> {
     }
   }
 
-  ExamSubmissionResultModel _evaluateLocally(ExamModel exam, Map<int, int> selectedAnswers) {
-    int earnedScore = 0;
-    int totalScore = 0;
-    List<String> weakTopics = [];
-    List<DetailedAnswerModel> detailedAnswers = [];
-
-    for (var q in exam.questions) {
-      totalScore += q.points;
-      final selectedOptId = selectedAnswers[q.id];
-      QuestionOptionModel? correctOption;
-      try {
-        correctOption = q.options.firstWhere((opt) => opt.isCorrect);
-      } catch (_) {
-        correctOption = q.options.isNotEmpty ? q.options.first : null;
-      }
-
-      final isCorrect = selectedOptId != null && correctOption != null && selectedOptId == correctOption.id;
-      final points = isCorrect ? q.points : 0;
-      earnedScore += points;
-
-      if (!isCorrect) {
-        if (!weakTopics.contains(q.topicTag)) {
-          weakTopics.add(q.topicTag);
-        }
-      }
-
-      detailedAnswers.add(DetailedAnswerModel(
-        questionId: q.id,
-        selectedOptionId: selectedOptId ?? 0,
-        isCorrect: isCorrect,
-        pointsAwarded: points,
-        explanation: q.explanationText ?? 'راجع نص القاعدة في كتاب الوزارة',
-        aiHint: q.aiHint,
-      ));
-    }
-
-    final pct = totalScore > 0 ? (earnedScore / totalScore) * 100 : 0.0;
-    final passed = pct >= exam.passingPercentage;
-    final report = passed
-        ? 'أداء ممتاز! حققت نسبة إتقان ${pct.toStringAsFixed(1)}%. لديك استيعاب عميق للمفاهيم الأساسية.'
-        : 'تم رصد تعثر في مفاهيم: ${weakTopics.join('، ')}. ننصح بمشاهدة مقاطع الشرح المركزة لمعالجة الثغرات.';
-
-    return ExamSubmissionResultModel(
-      attemptId: DateTime.now().millisecondsSinceEpoch ~/ 1000,
-      score: earnedScore,
-      totalScore: totalScore,
-      percentage: pct,
-      passed: passed,
-      rewindSeconds: passed ? 0 : 45,
-      aiDiagnosticReport: report,
-      weakTopics: weakTopics,
-      tawjihiReadinessScore: (pct * 0.7) + (passed ? 25.0 : 10.0),
-      detailedAnswers: detailedAnswers,
-    );
-  }
 }