idgen_http.dart

import 'dart:convert';

import 'package:dio/dio.dart';
import 'package:teamhydra_id_generator/src/idgen_dart_base.dart';

class IDGenHTTPWorker {
  final Dio _dio = Dio();
  final String _baseURL = 'https://id.hydra.workers.dev';

  final String username;
  final String token;

  IDGenHTTPWorker({required this.username, required this.token});

  Future<IDGenResponse> generate(
      String type, Map<String, dynamic>? data) async {
    try {
      final response = await _dio.post(_baseURL,
          data: {
            'username': username,
            'token': token,
            'type': type,
            ...?data,
          },
          options: Options(contentType: Headers.jsonContentType));

      return IDGenResponse.fromJson(response.data);
    } on DioException catch (e) {
      Map<String, dynamic>? errorData;

      // Do we have a response?
      if (e.response != null) {
        // Try decoding the response
        try {
          errorData = jsonDecode(e.response!.data);
        } catch (_) {
          // Do nothing
        }
      }

      if (errorData != null && errorData['error'] != null) {
        throw IDGenException(
            'Server rejected ID generation: ${errorData['error']}');
      } else if (errorData != null) {
        throw IDGenException('Server rejected ID generation: $errorData');
      } else {
        throw IDGenException(
            'An error occurred during generation ($type): ${e.message}');
      }
    } catch (e) {
      throw IDGenException(
          'An unknown error occurred during generation ($type): $e');
    }
  }

  Future<IDKeypairResponse> generateKeypair() async {
    try {
      final response = await _dio.post(_baseURL,
          data: {
            'username': username,
            'token': token,
            'type': 'keypair',
          },
          options: Options(contentType: Headers.jsonContentType));

      return IDKeypairResponse.fromJson(response.data);
    } on DioException catch (e) {
      final errorData = e.response?.data;
      if (errorData != null && errorData['error'] != null) {
        throw IDGenException(
            'Server rejected ID generation: ${errorData['error']}');
      } else if (errorData != null) {
        throw IDGenException('Server rejected ID generation: $errorData');
      } else {
        throw IDGenException(
            'An error occurred during generation (keypair): ${e.message}');
      }
    } catch (e) {
      throw IDGenException(
          'An unknown error occurred during generation (keypair): $e');
    }
  }
}