import type { Locale } from 'date-fns';
import * as locales from 'date-fns/locale';
import type { IntlDateDisplayFormatEnum } from '../constants';

export type IntlDateLocaleCode = keyof typeof locales;
export type IntlDateLanguage = string;

export type IntlDateLocaleMap = Partial<Record<IntlDateLanguage, IntlDateLocaleConfig>>;

export type IntlDateLocaleConfig = {
  code: IntlDateLocaleCode;
  locale?: Locale;
  displayFormats?: Partial<Record<IntlDateDisplayFormatEnum, string>>;
};

export function getLocale(lang: IntlDateLocaleCode): Locale {
  return locales[lang];
}