/*
 * https://github.com/morethanwords/tweb
 * Copyright (C) 2019-2021 Eduard Kuzmenko
 * https://github.com/morethanwords/tweb/blob/master/LICENSE
 */

import { PhotoSize } from "../layer";
import { MyDocument } from "../lib/appManagers/appDocsManager";
import { MyPhoto } from "../lib/appManagers/appPhotosManager";
import { renderImageFromUrlPromise } from "./dom/renderImageFromUrl";
import getPreviewURLFromThumb from "./getPreviewURLFromThumb";
import blur from './blur';

export default function getImageFromStrippedThumb(photo: MyPhoto | MyDocument, thumb: PhotoSize.photoCachedSize | PhotoSize.photoStrippedSize, useBlur: boolean) {
  const url = getPreviewURLFromThumb(photo, thumb, false);

  let element: HTMLImageElement | HTMLCanvasElement, loadPromise: Promise<void>;
  if(!useBlur) {
    element = new Image();
    loadPromise = renderImageFromUrlPromise(element, url);
  } else {
    const result = blur(url);
    element = result.canvas;
    loadPromise = result.promise;
  }

  element.classList.add('thumbnail');
  
  return {image: element, loadPromise};
}