DRS.ts

interface SetupCallback {
  /**
   * @param { "0" | "1" | "2" } statusCode - Decides if registration through the native module was successful
   * `"0"` - Registration was successful
   * `"1"` - User canceled
   * `"2"` - Registration failed
   * 
   * @param { JSON } response - Response from the Amazon call that happens in the native module. Should include the following info: 
   * `authorizationCode`,
   * `clientId`,
   * `redirectURI` 
   * 
   * @param { string } verificationCode - code verifier that is generated by the LWA. Is used as a private key in the back end to access Amazon API
   */
  (statusCode: "0" | "1" | "2", response: JSON, verificationCode: string): void
}

class DRS {
  /**
   * @description Uses native LWA module to open either Amazon app or website
   * Through which DRS registration happens. DRS registration values are returned through
   * the `callback`
   * 
   * @param { SetupCallback } callback - Used to return data from the native module
   * @callback callback
   */
  startDRSSetup = async (callback: SetupCallback): Promise<void> => {
    const deviceInfo = await comLayer.getDeviceConfiguration()

    NativeModules.LWASharedModule.loginWithDeviceModel(
      'Penguin',
      deviceInfo.device_identifier,
      true,
      true,
      callback,
    )
  }
}