initialize static method

Future<void> initialize({ required String partnerApiKey, })

Initializes the API client's singleton with base URL, API keys and headers

Implementation

static Future<void> initialize({
  ///API key issued by Scrella to the partner
  required String partnerApiKey,
}) async {
  if (_initialized) return;

  _dio = Dio(
    BaseOptions(
      baseUrl: partnerApiKey.startsWith("dev-")
          ? ScrellaConstants.baseUrlDev
          : ScrellaConstants.baseUrlLive,
      connectTimeout: const Duration(minutes: 3),
      receiveTimeout: const Duration(minutes: 3),
      headers: {
        'X-Partner-Api': partnerApiKey,
        'Content-Type': 'application/json',
        'Accept': 'application/json',
      },
    ),
  );

  // Load persisted token if it exists
  final token = await TokenStorage.getToken();
  if (token != null) {
    _dio!.options.headers['Authorization'] = 'Bearer $token';
  }

  // Add interceptor to attach token automatically on every request
  if (!_authInterceptorAdded) {
    _dio!.interceptors.add(
      InterceptorsWrapper(
        onRequest: (options, handler) async {
          final token = await TokenStorage.getToken();
          if (token != null) {
            options.headers['Authorization'] = 'Bearer $token';
          } else {
            options.headers.remove('Authorization');
          }
          handler.next(options);
        },
      ),
    );
    _authInterceptorAdded = true;
  }

  _initialized = true;
}