import dayjs from 'dayjs';
import startOfDay from 'date-fns/startOfDay';
import { MONTHS } from '@cleartrip/ct-design-common-constants';

export const startOfToday = () => startOfDay(new Date());

export function getDateFromString(milli: string) {
  // input --> 25/09/2022
  const date = new Date(milli).toLocaleDateString('en-GB');
  return date;
}

export function dateFormat(date: string) {
  // output ---> 27 Aug 2022
  const temp = date.split('/');
  const newDate = `${temp[0]} ${MONTHS[parseInt(temp[1]) - 1]} ${temp[2]}`;
  return newDate;
}

export function dateFormat_hrental(date: string) {
  // output ---> 2022-08-27
  const temp = date.split('/');
  const newDate = `${temp[2]}-${temp[1]}-${temp[0]}`;
  return newDate;
}

export function formatDateToString(date: Date, formatOptions?: Record<string, string>, localeOption: string = 'en-US') {
  const dateformatOptions: Intl.DateTimeFormatOptions = {
    weekday: 'short',
    month: 'short',
    day: 'numeric',
    ...formatOptions,
  };
  if (date) {
    return date.toLocaleDateString(localeOption, dateformatOptions);
  }
}

export function getFormattedDate(date: string, outputFormat = '', inputFormat = '') {
  let newDate = 'invalid date';
  try {
    newDate = date ? dayjs(date, inputFormat).format(outputFormat) : dayjs().format(outputFormat);
  } catch (_e) {
    newDate = 'invalid date';
  }
  return newDate;
}

export function dayDiff(days: string, to: string) {
  const dDate = dayjs(getFormattedDate(days, 'DD-MM-YYYY'), 'DD-MM-YYYY');
  const toDate = dayjs(getFormattedDate(to, 'DD-MM-YYYY'), 'DD-MM-YYYY');
  return dDate.diff(toDate, 'day');
}