import { OriginStorage } from 'origin-storage';

const originStorage = new OriginStorage();

const originStorage = new OriginStorage({
  targetOrigin: 'http://example.com',
});

import { OriginStorageClient } from 'origin-storage';

const originStorageClient = new OriginStorageClient({
  uri: 'http://localhost:9000/storage.html',
});

interface OriginStorageOptions extends IFrameTransportInternalOptions {
  /**
   * Enable read access to OriginStorage.
   */
  read?: boolean;
  /**
   * Enable write access to OriginStorage.
   */
  write?: boolean;
  /**
   * Enable broadcast data changes on OriginStorage.
   */
  broadcastChanges?: boolean;
  /**
   * Specify broadcastChannel name.
   */
  broadcastChannelName?: string;
}

interface OriginStorageClientOptions extends IFrameMainTransportOptions {
  /**
   * Specify the uri of an OriginStorage container.
   */
  uri: string;
  /**
   * Set storage options for localforage.
   */
  storageOptions?: LocalForageOptions;
}

interface IOriginStorageClient {
  /**
   * The callback will be called when the iframe is connected.
   */
  onConnect(callback: () => void): void;
  /**
   * The callback will be called when the storage is changed.
   */
  onChange(callback: (data: IChangeData) => void): Promise<{
    off: () => void;
    broadcastChanges: boolean;
  }>;
  /**
   * Get the value of the specified key.
   */
  getItem(key: string): Promise<any>;
  /**
   * Set the value of the specified key.
   */
  setItem(key: string, value: any): Promise<void>;
  /**
   * Remove the value of the specified key.
   */
  removeItem(key: string): Promise<void>;
  /**
   * Clear all key/value pairs in the storage.
   */
  clear(): Promise<void>;
  /**
   * Get the number of key/value pairs in the storage.
   */
  length(): Promise<number>;
  /**
   * Get the name of the nth key in the storage.
   */
  key(index: number): Promise<string>;
  /**
   * Get all keys in the storage.
   */
  keys(): Promise<string[]>;
}