import 'package:flutter_bloc/flutter_bloc.dart';
import '../../data/models/teacher_models.dart';
import '../../data/repositories/teacher_repository.dart';

/**
 * ==============================================================================
 * SAQEL TEACHER STUDIO - STUDIO UPLOAD CUBIT
 * ==============================================================================
 * 
 * إدارة حالة استوديو رفع الحصص وفحص الجودة الإدراكي:
 * - التحقق من معيار معهد ماساتشوستس (20 - 25 دقيقة)
 * - استدعاء التدقيق الآلي للدرس ومخرجات المنهاج الوزاري.
 */

class TeacherStudioState {
  final String lessonTitle;
  final double durationMinutes;
  final bool isAuditing;
  final TeacherLessonAuditModel? auditResult;

  const TeacherStudioState({
    required this.lessonTitle,
    required this.durationMinutes,
    required this.isAuditing,
    this.auditResult,
  });

  TeacherStudioState copyWith({
    String? lessonTitle,
    double? durationMinutes,
    bool? isAuditing,
    TeacherLessonAuditModel? auditResult,
  }) {
    return TeacherStudioState(
      lessonTitle: lessonTitle ?? this.lessonTitle,
      durationMinutes: durationMinutes ?? this.durationMinutes,
      isAuditing: isAuditing ?? this.isAuditing,
      auditResult: auditResult ?? this.auditResult,
    );
  }
}

class TeacherStudioCubit extends Cubit<TeacherStudioState> {
  final TeacherRepository repository;

  TeacherStudioCubit({required this.repository})
      : super(const TeacherStudioState(
          lessonTitle: 'شرح قاعدة لنتز والحث الكهرومغناطيسي — فيزياء 2008',
          durationMinutes: 22.5,
          isAuditing: false,
          auditResult: null,
        ));

  void updateLessonTitle(String title) {
    emit(state.copyWith(lessonTitle: title));
  }

  void updateDuration(double duration) {
    emit(state.copyWith(durationMinutes: duration));
  }

  Future<void> runQualityGate() async {
    emit(state.copyWith(isAuditing: true));
    try {
      final result = await repository.auditStudioVideo(
        title: state.lessonTitle,
        durationMinutes: state.durationMinutes,
        subject: 'الفيزياء',
      );
      emit(state.copyWith(
        isAuditing: false,
        auditResult: result,
      ));
    } catch (_) {
      emit(state.copyWith(isAuditing: false));
    }
  }
}