import 'package:bloc/bloc.dart';
import 'package:business_panel/core/services/token_storage_service.dart';
import 'package:dio/dio.dart';
import 'package:business_panel/core/utils/logging_interceptor.dart'; 
part 'auth_event.dart';
part 'auth_state.dart';

class AuthBloc extends Bloc<AuthEvent, AuthState> {

  late final Dio _dio;
  final TokenStorageService _tokenStorage = TokenStorageService();
  AuthBloc() : super(AuthInitial()) {
    _dio = Dio();
    _dio.interceptors.add(LoggingInterceptor());

    on<SendOTPEvent>((event, emit) async {
      emit(AuthLoading());
      emit(AuthLoading());
      try {
        final response = await _dio.post(
          'https://fartak.liara.run/login/sendcode',
          data: {
            'Phone': event.phoneNumber,
            'Code': event.countryCode,
          },
        );

        if (response.statusCode == 200) {
          emit(AuthCodeSentSuccess());
        } else {
          emit(AuthFailure(response.data['message'] ?? 'خطایی رخ داد'));
        }
      } on DioException catch (e) {
        emit(AuthFailure(e.response?.data['message'] ?? 'خطای شبکه'));
      }
    });

    on<VerifyOTPEvent>((event, emit) async {
      emit(AuthLoading());
      try {
        final response = await _dio.post(
          'https://fartak.liara.run/login/getcode',
          data: {
            'Phone': event.phoneNumber,
            'Code': event.countryCode,
            'OTP': event.otp,
          },
        );

        if (response.statusCode == 200 && response.data['data']['accessToken'] != null) {

          final accessToken = response.data['data']['accessToken'];
          final refreshToken = response.data['data']['refreshToken'];

          await _tokenStorage.saveTokens(
            accessToken: accessToken,
            refreshToken: refreshToken,
          );

          emit(AuthVerified());
        } else {
          emit(AuthFailure(response.data['message'] ?? 'کد تایید صحیح نمی‌باشد.'));
        }
      } on DioException catch (e) {
        emit(AuthFailure(e.response?.data['message'] ?? 'خطای شبکه'));
      }
    });


    on<SaveUserInfoEvent>((event, emit) async {
      emit(AuthLoading());
      await Future.delayed(const Duration(milliseconds: 500));
            
      if (event.name.trim().isEmpty) {
        emit(AuthFailure('لطفاً نام خود را وارد کنید.'));
      } else {
        emit(UserInfoSaved());
      }
    });
  }
}