import { format } from "date-fns";
import type { Locale } from "date-fns";
import { enUS, fr } from "date-fns/locale";
import ArrayUtils from "~/services/utils/arrayUtils";

export const enum supportedLocales {
  FR = "fr",
  EN = "en",
}

const defaultLocale = "fr";

export default class DateUtils {
  public static format(date: Date, fmt: string): string {
    return format(date, fmt);
  }

  /**
   * Formate la ou les dates au format donné et retourne la liste concaténée
   *
   * @param dates
   * @param fmt
   * @param sep
   */
  public static formatAndConcat(
    dates: Date | Array<Date>,
    fmt: string,
    sep: string = " - ",
  ): string {
    dates = Array.isArray(dates) ? dates : [dates];
    return dates.map((d) => this.format(d, fmt)).join(sep);
  }

  /**
   * Trie les dates par ordre chronologique
   *
   * @param dates
   * @param reverse
   */
  public static sort(
    dates: Array<Date>,
    reverse: boolean = false,
  ): Array<Date> {
    return ArrayUtils.sort(dates, reverse) as Array<Date>;
  }

  public static getFnsLocale(code: supportedLocales): Locale {
    const mapping = {
      en: enUS,
      fr,
    };
    return mapping[code] ?? mapping[defaultLocale];
  }

  public static getShortFormatPattern(code: supportedLocales): string {
    const mapping = {
      en: "MM/dd/yyyy",
      fr: "dd/MM/yyyy",
    };
    return mapping[code] ?? mapping[defaultLocale];
  }

  public static getFormatPattern(code: supportedLocales): string {
    const mapping = {
      en: "MM/dd/yyyy HH:mm",
      fr: "dd/MM/yyyy HH:mm",
    };
    return mapping[code] ?? mapping[defaultLocale];
  }

  public static formatIsoShortDate(date: Date): string {
    return format(date, "yyyy-MM-dd");
  }
}