import { commandIds } from "@commands/ids";
import type { Dispatch } from "@commands/dispatcher";
import type { KeybindEvent } from "./keyboard";

export type HistoryActions = { undo(): void; redo(): void };

export function handleHistoryKey(options: { event: KeybindEvent; dispatch?: Dispatch; actions?: HistoryActions }): boolean {
  if (options.event.altKey) return false;
  const modifier = options.event.metaKey || options.event.ctrlKey;
  if (!modifier || options.event.key.toLowerCase() !== "z") return false;

  if (options.actions) {
    if (options.event.shiftKey) options.actions.redo();
    else options.actions.undo();
  } else if (options.dispatch) {
    options.dispatch(options.event.shiftKey ? commandIds.historyRedo : commandIds.historyUndo, undefined);
  } else {
    return false;
  }
  return true;
}