import dayjs, { Dayjs } from 'dayjs';

/* eslint-disable no-nested-ternary */
function toFixedString(v: number) {
  return v.toString().split('.')[0];
}

/**
 * 格式化时间段字符串 -> 17mins54s or 17 Minutes
 * @param param0
 * @returns
 */
export function formatReadableTimeDuration({
  start,
  end,
  showSecondUnit,
  t,
}: {
  start?: number;
  end?: number;
  /** 是否显示第二个单位 */
  showSecondUnit?: boolean;
  t: any;
}): string | null {
  if (!start || !end) {
    return null;
  }
  const diff = end - start;
  const second = 1000;
  const minute = 60 * second;
  const hour = minute * 60;
  const day = hour * 24;

  let unit1 = '';
  let unit2 = '';
  if (diff < minute) {
    const seconds = diff / second;
    unit1 = `${toFixedString(seconds)} ${t(
      showSecondUnit
        ? 'common.time.seconds.short'
        : seconds >= 2
        ? 'common.time.seconds'
        : 'common.time.second',
    )}`;
  } else if (diff < hour) {
    const minutes = diff / minute;
    unit1 = `${toFixedString(minutes)} ${t(
      minutes >= 2
        ? showSecondUnit
          ? 'common.time.minutes.short'
          : 'common.time.minutes'
        : showSecondUnit
        ? 'common.time.minute.short'
        : 'common.time.minute',
    )}`;
    const seconds = (diff % minute) / second;
    unit2 = `${toFixedString(seconds)} ${t(
      showSecondUnit
        ? 'common.time.seconds.short'
        : seconds >= 2
        ? 'common.time.seconds'
        : 'common.time.second',
    )}`;
  } else if (diff < day) {
    const hours = diff / hour;
    unit1 = `${toFixedString(hours)} ${t(
      hours >= 2 ? 'common.time.hours' : 'common.time.hour',
    )}`;
    const minutes = (diff % hour) / minute;
    unit2 = `${toFixedString(minutes)} ${t(
      minutes >= 2 ? 'common.time.minutes' : 'common.time.minute',
    )}`;
  } else {
    const days = diff / day;
    unit1 = `${toFixedString(days)} ${t(
      days >= 2 ? 'common.time.days' : 'common.time.day',
    )}`;
    const hours = (diff % day) / hour;
    unit2 = `${toFixedString(hours)} ${t(
      hours >= 2 ? 'common.time.hours' : 'common.time.hour',
    )}`;
  }

  if (showSecondUnit) {
    return `${unit1}${unit2}`.replaceAll(' ', '').toLowerCase();
  }
  return unit1;
}

/**
 * 格式化消息时间段字符串 -> 17mins54s or 17min ago
 * @param param0
 * @returns
 */
export function formatReadableTimeAgo({
  time,
  t,
}: {
  time: number;
  t: any;
}): string {
  if (!time) {
    return '';
  }
  const start = dayjs(time);
  const end = dayjs();
  const diffHours = end.diff(start, 'h');
  if (diffHours > 24) {
    return start.format('YYYY/MM/DD HH:MM');
  }
  if (diffHours >= 1) {
    return t('common.time.hour-ago.short', {
      time: diffHours,
    });
  }
  const diffMinute = end.diff(start, 'm');
  if (diffMinute >= 1) {
    return t('common.time.minute-ago.short', {
      time: diffMinute,
    });
  }
  return `${end.diff(start, 's')}${t('common.time.seconds.short')}`;
}

export function getMonthShortTextByMonthNumber(month: number) {
  switch (month) {
    case 1:
      return 'Jan';
    case 2:
      return 'Feb';
    case 3:
      return 'Mar';
    case 4:
      return 'Apr';
    case 5:
      return 'May';
    case 6:
      return 'Jun';
    case 7:
      return 'Jul';
    case 8:
      return 'Aug';
    case 9:
      return 'Sep';
    case 10:
      return 'Oct';
    case 11:
      return 'Nov';
    case 12:
      return 'Dec';
    default:
      return '';
  }
}
export function getMonthShortText(date: Date | string | number | Dayjs) {
  const month = dayjs(date).month() + 1;
  return getMonthShortTextByMonthNumber(month);
}