import { vtkAlgorithm, vtkObject, vtkSubscription } from './../../interfaces';

interface IJSONReaderOptions {
  binary?: boolean;
  compression?: string;
  progressCallback?: any;
}

/**
 *
 */
export interface IJSONReaderInitialValues {}

type vtkJSONReaderBase = vtkObject &
  Omit<
    vtkAlgorithm,
    | 'getInputData'
    | 'setInputData'
    | 'setInputConnection'
    | 'getInputConnection'
    | 'addInputConnection'
    | 'addInputData'
  >;

export interface vtkJSONReader extends vtkJSONReaderBase {
  /**
   *
   */
  getNumberOfOutputPorts(): number;

  /**
   * Get the url of the object to load.
   */
  getUrl(): string;

  /**
   *
   * @param {Boolean} busy
   */
  invokeBusy(busy: boolean): void;

  /**
   *
   */
  isBusy(): number;

  /**
   * Load the object data.
   * @param {IJSONReaderOptions} [options]
   */
  loadData(options?: IJSONReaderOptions): Promise<any>;

  /**
   *
   * @param callback
   */
  onBusy(callback: (busy: boolean) => any): vtkSubscription;

  /**
   * Parse data as text.
   * @param {String} content The content to parse.
   */
  parseAsText(content: string): void;
  /**
   *
   * @param inData
   * @param outData
   */
  requestData(inData: any, outData: any): void;

  /**
   * Set the url of the object to load.
   * @param {String} url the url of the object to load.
   * @param {IJSONReaderOptions} [option] The JSON reader options.
   */
  setUrl(url: string, option?: IJSONReaderOptions): Promise<string>;
}

/**
 * Method used to decorate a given object (publicAPI+model) with vtkJSONReader characteristics.
 *
 * @param publicAPI object on which methods will be bounds (public)
 * @param model object on which data structure will be bounds (protected)
 * @param {IJSONReaderInitialValues} [initialValues] (default: {})
 */
export function extend(
  publicAPI: object,
  model: object,
  initialValues?: IJSONReaderInitialValues
): void;

/**
 * Method used to create a new instance of vtkJSONReader
 * @param {IJSONReaderInitialValues} [initialValues] for pre-setting some of its content
 */
export function newInstance(
  initialValues?: IJSONReaderInitialValues
): vtkJSONReader;

/**
 * vtkJSONReader is a source object that reads JSON files.
 */
export declare const vtkJSONReader: {
  newInstance: typeof newInstance;
  extend: typeof extend;
};
export default vtkJSONReader;