Update Saqel Platform: 2026-09-10 12:26:22

apps/teacher_app/lib/logic/cubits/teacher_studio_cubit.dart

@@ -1,4 +1,5 @@
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'dart:math';
 import 'dart:typed_data';
 import '../../data/models/teacher_models.dart';
 import '../../data/repositories/teacher_repository.dart';
@@ -267,6 +268,20 @@ class TeacherStudioCubit extends Cubit<TeacherStudioState> {
         state.unitKey,
         state.lessonKey
       ].where((e) => e.isNotEmpty).join('/');
+
+  String? get selectedCurriculumLessonId {
+    final lessons = _units[state.unitKey]?['lessons'];
+    if (lessons is! List) return null;
+    for (final item in lessons) {
+      if (item is Map && item['id']?.toString() == state.lessonKey) {
+        final id = item['curriculum_lesson_id']?.toString();
+        return id != null && id.isNotEmpty ? id : null;
+      }
+    }
+    return null;
+  }
+
+  String _newIdempotencyKey() => 'teacher_${DateTime.now().microsecondsSinceEpoch}_${Random.secure().nextInt(1 << 32)}';
   void reportError(String message) =>
       emit(state.copyWith(errorMessage: message));
 
@@ -300,6 +315,11 @@ class TeacherStudioCubit extends Cubit<TeacherStudioState> {
           errorMessage: 'اختر الصف والمبحث والفصل والوحدة والدرس أولاً.'));
       return;
     }
+    if (selectedCurriculumLessonId == null) {
+      emit(state.copyWith(
+          errorMessage: 'هذا الدرس غير معتمد للنشر بعد، لذلك لا يمكن رفع حصة له.'));
+      return;
+    }
     await uploadAndPublishLesson();
   }
 
@@ -316,12 +336,31 @@ class TeacherStudioCubit extends Cubit<TeacherStudioState> {
       clearError: true,
     ));
     try {
+      final preflight = await repository.preflightSubmission(
+        curriculumLessonId: selectedCurriculumLessonId!,
+        idempotencyKey: _newIdempotencyKey(),
+      );
+      if (preflight['status']?.toString() != 'ready_for_upload') {
+        emit(state.copyWith(
+          isAuditing: false,
+          isUploading: false,
+          uploadProgress: 0.0,
+          uploadPhase: 'idle',
+          errorMessage: preflight['message']?.toString() ?? 'تعذر تجهيز نسخة الحصة للرفع.',
+        ));
+        return false;
+      }
+      final videoVersionId = preflight['video_version_id']?.toString();
+      if (videoVersionId == null || videoVersionId.isEmpty) {
+        throw StateError('لم ينشئ الخادم نسخة فيديو صالحة للرفع.');
+      }
       final res = await repository.uploadLesson(
         title: state.lessonTitle,
         durationMinutes: state.durationMinutes,
         gradeLevel: state.gradeLevel,
         subject: selectedSubjectName,
         curriculumKey: curriculumKey,
+        videoVersionId: videoVersionId,
         fileName: state.selectedFileName!,
         fileSizeMb: state.selectedFileSizeMb,
         filePath: state.selectedFilePath,
@@ -368,7 +407,7 @@ class TeacherStudioCubit extends Cubit<TeacherStudioState> {
         return false;
       }
 
-      final msg = res['message']?.toString() ?? 'تم اعتماد الحصة ورفعها بنجاح.';
+      final msg = res['message']?.toString() ?? 'تم رفع الحصة إلى طابور المراجعة.';
       emit(state.copyWith(
         isAuditing: false,
         isUploading: false,