/**
 * Documented MyID result codes.
 *
 * The SDK can emit codes beyond these (liveness advice codes such as 3, 14,
 * 20..28), so never treat this map as exhaustive — always compare against
 * `error.code` directly rather than assuming one of these values.
 *
 * Full list: https://docs.myid.uz/#/ru/embedded?id=javob-kodlar-uz-result_code
 */
export const MyIdErrorCode = {
  /** User dismissed the flow. */
  USER_CANCELLED: '101',
  CAMERA_PERMISSION_DENIED: '102',
  /** Generic SDK or server failure, also used for wrapper-level errors. */
  FAILURE: '103',
  USER_BANNED: '122',
} as const;

export type MyIdErrorCodeValue =
  (typeof MyIdErrorCode)[keyof typeof MyIdErrorCode];

/**
 * Thrown by `start()` for every failure path, including user cancellation.
 */
export class MyIdError extends Error {
  /** SDK result code as a string, e.g. `'101'`. */
  readonly code: string;

  constructor(code: string, message: string) {
    super(message);
    this.code = code;
    this.name = 'MyIdError';
    // Restores the prototype chain, which is lost when a built-in is
    // subclassed and the output is down-levelled.
    Object.setPrototypeOf(this, MyIdError.prototype);
  }
}

export function isMyIdError(error: unknown): error is MyIdError {
  return error instanceof MyIdError;
}