import { BatchUserAttribute } from './BatchUserAttribute';

const RNBatch = require('./NativeRNBatchModule').default;

/**
 * Batch's user module
 */
export const BatchUser = {
  /**
   * Get the unique installation ID, generated by Batch. Batch must be started to read it.
   * You will get the result in a promise.
   */
  getInstallationID: (): Promise<string> => RNBatch.user_getInstallationId(),

  /**
   * Get the custom user identifier.
   * @returns The custom user identifier set with BatchUser.editor().setIdentifier();
   */

  getIdentifier: (): Promise<string | undefined> => RNBatch.user_getIdentifier(),

  /**
   * Get the region.
   * @returns The region set with BatchUser.editor().setRegion();
   */

  getRegion: (): Promise<string | undefined> => RNBatch.user_getRegion(),

  /**
   * Get the language.
   * @returns The language set with BatchUser.editor().setLanguage();
   */

  getLanguage: (): Promise<string | undefined> => RNBatch.user_getLanguage(),

  /**
   * Read the saved attributes.
   * Reading is asynchronous so as not to interfere with saving operations.
   * @returns The attributes set with Batch.editor().setAttribute()
   */
  getAttributes: (): Promise<{ [key: string]: BatchUserAttribute }> => {
    return RNBatch.user_getAttributes().then(attributes => {
      Object.keys(attributes).map(key => {
        attributes[key] = new BatchUserAttribute(attributes[key].type, attributes[key].value);
      });
      return attributes;
    });
  },

  /**
   * Get the tag collections.
   * @returns The tags added with BatchUser.editor().addTag()
   */
  getTagCollections: (): Promise<{ [key: string]: string[] }> => RNBatch.user_getTags(),

  /**
   * Clear all tags and attributes set on an installation and their local cache returned by fetchAttributes and fetchTagCollections.
   * This doesn’t affect data set on profiles using BatchProfile.
   */
  clearInstallationData: (): void => RNBatch.user_clearInstallationData(),
};