import { MatrixEvent } from 'matrix-js-sdk';
import { IImageInfo, IThumbnailContent } from '../../types/matrix/common';

/** The mxc to show as a thumbnail for an image/video event (thumbnail if present, else the file). */
export function getThumbMxc(mEvent: MatrixEvent): string | undefined {
  const c = mEvent.getContent();
  const isEnc = !!c.file;
  const info: (IImageInfo & IThumbnailContent) | undefined = c.info;
  return isEnc ? (info?.thumbnail_file?.url ?? c.file?.url) : (info?.thumbnail_url ?? c.url);
}