import { Dispatch, SetStateAction } from 'react';
import { IHistoryState } from '../../Interfaces/IHistoryState';
import { ENABLE_SHORTCUTS } from '../../utils/default';

export function onKeyDown(
  event: KeyboardEvent,
  history: IHistoryState[],
  historyCurrentStep: number,
  setHistoryCurrentStep: Dispatch<SetStateAction<number>>
): void {
  if (!ENABLE_SHORTCUTS) {
    return;
  }

  event.preventDefault();
  if (event.isComposing || event.keyCode === 229) {
    return;
  }
  if (event.key === 'z' &&
        event.ctrlKey &&
        historyCurrentStep > 0) {
    setHistoryCurrentStep(historyCurrentStep - 1);
  } else if (event.key === 'y' &&
              event.ctrlKey &&
              historyCurrentStep < history.length - 1) {
    setHistoryCurrentStep(historyCurrentStep + 1);
  }
}