// Common data transfers
export const DataTransfers = {
  /**
   * Application specific resource transfer type
   */
  RESOURCES: 'ResourceURLs',

  /**
   * Browser specific transfer type to download
   */
  DOWNLOAD_URL: 'DownloadURL',

  /**
   * Browser specific transfer type for files
   */
  FILES: 'Files',

  /**
   * Typically transfer type for copy/paste transfers.
   */
  TEXT: 'text/plain',
};

export interface IDragAndDropData {
  update(dataTransfer: DataTransfer): void;
  getData(): unknown;
}

export class DragAndDropData<T> implements IDragAndDropData {
  constructor(private data: T) {}

  update(): void {
    // noop
  }

  getData(): T {
    return this.data;
  }
}

export interface IStaticDND {
  CurrentDragAndDropData: IDragAndDropData | undefined;
}

export const StaticDND: IStaticDND = {
  CurrentDragAndDropData: undefined,
};