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

/**
 * ==============================================================================
 * SAQEL TEACHER STUDIO - MONETIZATION CUBIT
 * ==============================================================================
 * 
 * إدارة المحفظة المالية والتسييل وسحوبات كليك (CliQ Payouts):
 * - حساب عوائد النموذج المزدوج (1,420 مجاني مدعوم مقابل 380 مدفوع خارجي)
 * - تقسيم الحصص: 55% للمعلم / 15% لمديرية الثقافة / 30% للمنصة
 * - إرسال واعتماد طلبات السحب عبر كليك.
 */

class TeacherMonetizationState {
  final double studentSubscribers;
  final double pricePerCourse;
  final List<TeacherCourseModel> courses;
  final List<TeacherPayoutRequestModel> payoutRequests;
  final bool isSubmittingPayout;

  const TeacherMonetizationState({
    required this.studentSubscribers,
    required this.pricePerCourse,
    required this.courses,
    required this.payoutRequests,
    required this.isSubmittingPayout,
  });

  double get grossRevenue => studentSubscribers * pricePerCourse;
  double get teacherShare => grossRevenue * 0.55;
  double get directorateShare => grossRevenue * 0.15;
  double get platformShare => grossRevenue * 0.30;

  TeacherMonetizationState copyWith({
    double? studentSubscribers,
    double? pricePerCourse,
    List<TeacherCourseModel>? courses,
    List<TeacherPayoutRequestModel>? payoutRequests,
    bool? isSubmittingPayout,
  }) {
    return TeacherMonetizationState(
      studentSubscribers: studentSubscribers ?? this.studentSubscribers,
      pricePerCourse: pricePerCourse ?? this.pricePerCourse,
      courses: courses ?? this.courses,
      payoutRequests: payoutRequests ?? this.payoutRequests,
      isSubmittingPayout: isSubmittingPayout ?? this.isSubmittingPayout,
    );
  }
}

class TeacherMonetizationCubit extends Cubit<TeacherMonetizationState> {
  final TeacherRepository repository;

  TeacherMonetizationCubit({required this.repository})
      : super(const TeacherMonetizationState(
          studentSubscribers: 380,
          pricePerCourse: 20.0,
          courses: [],
          payoutRequests: [
            TeacherPayoutRequestModel(
              cliqAlias: 'AHMAD@CLIQ',
              amountJod: 2400.0,
              requestedAt: 'الأسبوع الماضي',
              status: 'completed',
            ),
          ],
          isSubmittingPayout: false,
        ));

  Future<void> loadMonetization() async {
    final courses = await repository.getPublishedCourses();
    emit(state.copyWith(courses: courses));
  }

  void updateSubscribers(double subscribers) {
    emit(state.copyWith(studentSubscribers: subscribers));
  }

  Future<void> submitCliqPayout({
    required String cliqAlias,
    required double amountJod,
  }) async {
    emit(state.copyWith(isSubmittingPayout: true));
    try {
      final req = await repository.requestCliqPayout(
        cliqAlias: cliqAlias,
        amountJod: amountJod,
      );
      final updatedList = List<TeacherPayoutRequestModel>.from(state.payoutRequests)..insert(0, req);
      emit(state.copyWith(
        payoutRequests: updatedList,
        isSubmittingPayout: false,
      ));
    } catch (_) {
      emit(state.copyWith(isSubmittingPayout: false));
    }
  }
}