tripz-llc/apps/driver_new/lib/features/onboarding/cubit/onboarding_cubit.dart

import 'package:flutter_bloc/flutter_bloc.dart';

import '../../../core/api/api_exception.dart';
import '../../../core/api/api_failure.dart';
import '../data/driver_repository.dart';
import 'onboarding_state.dart';

/// تسجيل السائق حتى الاعتماد.
///
/// **الخطوة تُشتقّ من حالة الخادم لا من تقدّم محلّي**: سائق يعيد تثبيت
/// التطبيق يجب أن يعود إلى حيث وقف، لا أن يبدأ من الصفر.
class OnboardingCubit extends Cubit<OnboardingState> {
  OnboardingCubit(this._repo) : super(const OnboardingState());

  final DriverRepository _repo;

  Future<void> load() async {
    emit(state.copyWith(step: OnboardingStep.loading, clearFailure: true));
    try {
      final driver = await _repo.me();
      if (isClosed) return;

      if (driver == null) {
        emit(state.copyWith(step: OnboardingStep.apply, driver: null));
        return;
      }
      if (driver.isApproved) {
        emit(state.copyWith(step: OnboardingStep.approved, driver: driver));
        return;
      }

      // الملف ناقص ما لم يُدخل الاسم العربي — أول ما يطلبه الخادم.
      if (driver.nameArabic == null || driver.nameArabic!.isEmpty) {
        emit(state.copyWith(step: OnboardingStep.profile, driver: driver));
        return;
      }

      final vehicles = await _repo.vehicles();
      if (isClosed) return;
      if (vehicles.isEmpty) {
        emit(state.copyWith(
          step: OnboardingStep.vehicle,
          driver: driver,
          vehicles: vehicles,
        ));
        return;
      }

      final reqs = await _repo.requirements();
      if (isClosed) return;
      emit(state.copyWith(
        // اكتملت الوثائق ولم يُعتمد بعد: مراجعة بشرية جارية.
        step: reqs.complete ? OnboardingStep.pending : OnboardingStep.documents,
        driver: driver,
        vehicles: vehicles,
        requirements: reqs.items,
      ));
    } on ApiException catch (e) {
      if (!isClosed) {
        emit(state.copyWith(
          step: OnboardingStep.apply,
          failure: e.toApiFailure(),
        ));
      }
    }
  }

  Future<void> apply({required String vehicleMake, required String serviceClass}) =>
      _run(() => _repo.apply(vehicleMake: vehicleMake, serviceClass: serviceClass));

  Future<void> saveProfile({
    required String nameArabic,
    required String nationalNumber,
    String? gender,
  }) =>
      _run(() => _repo.setProfile(
            nameArabic: nameArabic,
            nationalNumber: nationalNumber,
            gender: gender,
          ));

  Future<void> addVehicle({
    required String make,
    required String model,
    required int year,
    required String color,
    required String plate,
  }) =>
      _run(() => _repo.addVehicle(
            make: make,
            model: model,
            year: year,
            color: color,
            plate: plate,
          ));

  Future<void> uploadDocument({
    required String filePath,
    required String type,
    required String side,
  }) =>
      _run(() => _repo.uploadDocument(
            filePath: filePath,
            type: type,
            side: side,
          ));

  /// كل فعل ينتهي بإعادة قراءة الحالة من الخادم — فلا يتقدّم التطبيق خطوةً
  /// لم يقبلها الخادم فعلاً.
  Future<void> _run(Future<dynamic> Function() action) async {
    emit(state.copyWith(busy: true, clearFailure: true));
    try {
      await action();
      if (isClosed) return;
      emit(state.copyWith(busy: false));
      await load();
    } on ApiException catch (e) {
      if (!isClosed) {
        emit(state.copyWith(busy: false, failure: e.toApiFailure()));
      }
    }
  }
}