import 'package:flutter_bloc/flutter_bloc.dart';
import '../data/auth_repository.dart';
import 'auth_state.dart';

class AuthCubit extends Cubit<AuthState> {
  final AuthRepository _repo;

  AuthCubit(this._repo) : super(const AuthState());

  Future<void> checkAuth() async {
    final user = await _repo.me();
    emit(state.copyWith(
      status: user != null ? AuthStatus.authenticated : AuthStatus.unauthenticated,
      user: user,
    ));
  }

  Future<void> sendOtp(String phone) async {
    if (phone.trim().isEmpty) {
      emit(state.copyWith(status: AuthStatus.error, error: 'أدخل رقم الهاتف'));
      return;
    }
    try {
      emit(state.copyWith(status: AuthStatus.authenticating, phone: phone.trim()));
      await _repo.sendOtp(phone.trim());
      emit(state.copyWith(status: AuthStatus.codeSent, phone: phone.trim()));
    } catch (_) {
      emit(state.copyWith(status: AuthStatus.error, error: 'تعذّر إرسال الرمز'));
    }
  }

  Future<void> verify(String code) async {
    try {
      emit(state.copyWith(status: AuthStatus.authenticating));
      final user = await _repo.verify(state.phone, code.trim());
      emit(state.copyWith(status: AuthStatus.authenticated, user: user));
    } catch (_) {
      emit(state.copyWith(status: AuthStatus.error, error: 'رمز غير صحيح'));
    }
  }

  Future<void> logout() async {
    await _repo.logout();
    emit(const AuthState(status: AuthStatus.unauthenticated));
  }
}