/**
 * Parsed string adapted with TZ (locales) and format for the specified lang.
 * @param tz Lang
 * @param locale Locales
 * @param date Date
 * @returns String
 */
export const showDate = (
  tz: string,
  locale: Map<string, unknown>,
  date: Date
) => {
  return date.toLocaleString(tz).replace(" ", ` ${locale.get("u_time_at")} `);
};

enum TimeSecond {
  Year = 31536000,
  Week = 604800,
  Day = 86400,
  Hour = 3600,
  Minute = 60,
  Second = 1,
}

/**
 * Take a cooldown, for example 2min and transform it to seconds, here: 120s
 * @param time time in human format
 * @returns time in seconds
 */
export const strToSeconds = (time: string) => {
  const regex = new RegExp(
    `(?<${TimeSecond[TimeSecond.Year]}>[0-9]+(?=[y|a]))|(?<${
      TimeSecond[TimeSecond.Week]
    }>[0-9]+(?=[w]))|(?<${TimeSecond[TimeSecond.Day]}>[0-9]+(?=[d|j]))|(?<${
      TimeSecond[TimeSecond.Hour]
    }>[0-9]+(?=[h]))|(?<${TimeSecond[TimeSecond.Minute]}>[0-9]+(?=[m]))|(?<${
      TimeSecond[TimeSecond.Second]
    }>[0-9]+(?=[s]?))`
  );

  const data = Object.assign({}, regex.exec(time)?.groups);

  let res = 0;
  Object.entries(data).forEach(([key, value]) => {
    if (value) {
      res += +value * TimeSecond[key as keyof typeof TimeSecond];
    }
  });

  return res;
};

/**
 * Calculating the difference between a date and now
 * @param time Time
 * @returns Delta between the time and now
 */
export const timeDeltaToString = (time: number) => {
  const now = Date.now();
  // TODO adapt the output and not always parse the time as seconds
  return `${strToSeconds(`${(now - time) / 1000}`)} secs`;
};