import {MutableRefObject, useEffect} from 'react';
import moment, {Moment} from 'moment';

function getFormattedValue(date: Moment | null | undefined, format: string): string {
  return moment.isMoment(date) ? date.format(format) : date ?? '';
}

const useOnClickOutside = (ref: MutableRefObject<HTMLDivElement | undefined>, handler: () => void) => {
  useEffect(() => {
    const listener = (event: Event) => {
      if (!ref.current || ref.current.contains(event.target as (Node | null))) {
        return;
      }

      handler();
    };

    document.addEventListener('mousedown', listener);
    document.addEventListener('touchstart', listener);

    return () => {
      document.removeEventListener('mousedown', listener);
      document.removeEventListener('touchstart', listener);
    };
  }, [ref, handler]);
};

export {
  useOnClickOutside,
  getFormattedValue,
};