import { vtkObject } from './../../interfaces';
import { CrossOrigin, Nullable } from './../../types';
import vtkTexture from './../Core/Texture';

/**
 *
 */
export interface ITextureLODsDownloaderInitialValues {
  baseUrl?: string;
  crossOrigin?: CrossOrigin;
  files?: string[];
  maxTextureLODSize?: number;
  texture?: vtkTexture;
  stepFinishedCallback?: any;
  waitTimeToStart?: number;
  waitTimeBetweenDownloads?: number;
}

export interface vtkTextureLODsDownloader extends vtkObject {
  /**
   * Get the base of the url
   */
  getBaseUrl(): string;

  /**
   * Get the crossorigin attribute
   */
  getCrossOrigin(): Nullable<CrossOrigin>;

  /**
   * Get the list of files to download
   */
  getFiles(): string[];

  /**
   * Get the max texture LOD size
   */
  getMaxTextureLODSize(): number;

  /**
   *
   */
  getStepFinishedCallback(): any;

  /**
   * Get the vtkTexture object
   */
  getTexture(): vtkTexture;

  /**
   * Get the delay between downloads
   */
  getWaitTimeBetweenDownloads(): number;

  /**
   * Get the delay before the start of download.
   */
  getWaitTimeToStart(): number;

  /**
   * Set the base of the url
   * @param {String} baseUrl The base of the url.
   */
  setBaseUrl(baseUrl: string): boolean;

  /**
   * Set the crossorigin attribute
   * @param {CrossOrigin} crossOrigin The crossorigin value.
   */
  setCrossOrigin(crossOrigin: CrossOrigin): boolean;

  /**
   * Set the list of files to download
   * @param {String[]} files The array of files urls.
   */
  setFiles(files: string[]): boolean;

  /**
   * Set the max texture LOD size
   * @param {Number} maxTextureLODSize The max texture LOD size.
   */
  setMaxTextureLODSize(maxTextureLODSize: number): boolean;

  /**
   *
   * @param stepFinishedCallback
   */
  setStepFinishedCallback(stepFinishedCallback: any): boolean;

  /**
   * Set the vtkTexture object
   * @param {vtkTexture} texture The vtkTexture object.
   */
  setTexture(texture: vtkTexture): boolean;

  /**
   * Set the delay between downloads
   * @param {Number} waitTimeBetweenDownloads The delay between downloads.
   */
  setWaitTimeBetweenDownloads(waitTimeBetweenDownloads: number): boolean;

  /**
   * Set the delay before the start of download
   * @param {Number} waitTimeToStart The delay before the start of download.
   */
  setWaitTimeToStart(waitTimeToStart: number): boolean;

  /**
   * Start the download
   */
  startDownloads(): void;
}

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

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

/**
 * vtkTextureLODsDownloader provides a way to download textures by bulk.
 */
export declare const vtkTextureLODsDownloader: {
  newInstance: typeof newInstance;
  extend: typeof extend;
};
export default vtkTextureLODsDownloader;