import 'package:flutter_bloc/flutter_bloc.dart';

import '../../../core/api/api_exception.dart';

import '../../../core/api/api_failure.dart';

import '../../../core/session/app_user.dart';

import '../../../core/ui/view_status.dart';

import '../data/profile_repository.dart';

class ProfileState {
  const ProfileState({
    this.status = ViewStatus.success,
    this.saving = false,
    this.failure,
    this.user,
  });

  final ViewStatus status;
  final bool saving;
  final AuthFailure? failure;
  final AppUser? user;

  ProfileState copyWith({
    ViewStatus? status,
    bool? saving,
    AuthFailure? failure,
    AppUser? user,
    bool clearFailure = false,
  }) {
    return ProfileState(
      status: status ?? this.status,
      saving: saving ?? this.saving,
      failure: clearFailure ? null : (failure ?? this.failure),
      user: user ?? this.user,
    );
  }
}

/// إكمال الملف بعد أول دخول. عقد الخادم يقبل `{ name, language }` فقط
/// (docs/38 §3) — لا اسم أول/أخير ولا بريد كما في سيرو (docs/39 §2).
class ProfileCubit extends Cubit<ProfileState> {
  ProfileCubit(this._repo) : super(const ProfileState());

  final ProfileRepository _repo;

  Future<AppUser?> save(String name) async {
    emit(state.copyWith(saving: true, clearFailure: true));
    try {
      final user = await _repo.update(name: name.trim());
      emit(state.copyWith(saving: false, user: user));
      return user;
    } on ApiException catch (e) {
      emit(state.copyWith(saving: false, failure: e.toAuthFailure()));
      return null;
    }
  }
}