import { RuntimeError } from '../../error';

/**
 * @description 历史项
 * @export
 * @class HistoryItem
 * @template E
 */
export class HistoryItem<E> {
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  static readonly Undefined = new HistoryItem<any>(undefined);

  _prev: HistoryItem<E>;

  _next: HistoryItem<E>;

  data: E;

  constructor(data: unknown = {}) {
    this.data = data as E;
    this._prev = HistoryItem.Undefined;
    this._next = HistoryItem.Undefined;
  }

  /**
   * @description 克隆整个历史链
   * @returns {*}  {HistoryItem<E>}
   * @memberof HistoryItem
   */
  clone(): HistoryItem<E> {
    // const history = new HistoryItem<E>(clone(this.data));
    // if (history._prev && history._prev !== HistoryItem.Undefined) {
    //   history._prev = clone(this._prev);
    // }
    // if (history._next && history._next !== HistoryItem.Undefined) {
    //   history._next = clone(this._next);
    // }
    // return history;
    throw new RuntimeError(ibiz.i18n.t('core.utils.unrealized'));
  }
}