date.ts

import {default as momentNG} from 'moment';
import 'moment-timezone';
import 'moment/locale/th';
import i18n from '@src/services/i18n.service';

export const momentLocale = momentNG.locale('th');
if (momentLocale !== 'th') {
  throw new Error(`Moment fell back to locale ${momentLocale}`);
}
export const toBuddhistYear = (moment, format) => {
  var christianYear = moment.format('YYYY');
  var buddhishYear = (parseInt(christianYear) + 543).toString();
  return moment
    .format(
      format
        .replace('YYYY', buddhishYear)
        .replace('YY', buddhishYear.substring(2, 4)),
    )
    .replace(christianYear, buddhishYear);
};

export const toHuman = (moment, format) => {
  return moment.format(format);
};

export const moment = momentNG;

export const formatJsDate = (date, format, locale) => {
  const defaultDate = i18n.t('student.stats.na');

  if (typeof date === 'string') {
    const dateString = date.includes('.') ? date.substring(19, 0) : date;
    const dateJsDate = new Date(dateString);

    return dateString?.length >= 10
      ? localeDate(dateJsDate, format, locale)
      : defaultDate;
  } else {
    return localeDate(date, format, locale);
  }
};

const localeDate = (dateJsDate, format, locale) => {
  if (locale === 'en') {
    moment.locale('en');
    return toHuman(moment(dateJsDate), format);
  } else {
    moment.locale('th');
    return toBuddhistYear(moment(dateJsDate), format);
  }
};