import dayjs, { type Dayjs } from 'dayjs'
import weekday from 'dayjs/plugin/weekday'
import utc from 'dayjs/plugin/utc'
import isToday from 'dayjs/plugin/isToday'
import isTomorrow from 'dayjs/plugin/isTomorrow'
import isSameOrAfter from 'dayjs/plugin/isSameOrAfter'
import isSameOrBefore from 'dayjs/plugin/isSameOrBefore'
import customParseFormat from 'dayjs/plugin/customParseFormat'
import { DATE_TIME_FORMAT, HALF_DAY } from '#lib/constants/app'

dayjs.extend(weekday)
dayjs.extend(utc)
dayjs.extend(customParseFormat)
dayjs.extend(isToday)
dayjs.extend(isTomorrow)
dayjs.extend(isSameOrAfter)
dayjs.extend(isSameOrBefore)

export const getWeekday = (date: Dayjs): number => {
  return date.weekday()
}

export const formatDate = (
  date: Dayjs | string | undefined,
  format: string = DATE_TIME_FORMAT.DATE_FORMAT,
): string => {
  if (!date) return ''

  return typeof date === 'string'
    ? dayjs(date).format(format)
    : date.format(format)
}

export const formatUnitTime = (
  date: number | undefined,
  format: string = DATE_TIME_FORMAT.DATE_FORMAT,
): string => {
  return date ? dayjs(date * 1000).format(format) : ''
}

export const toUTCDate = (
  date: string,
  format: string = DATE_TIME_FORMAT.FULL_DATE_FORMAT,
): Dayjs => {
  return dayjs.utc(date, format).local()
}

export const checkIsToday = (date: string): boolean => {
  return dayjs(date).isToday()
}

export const toDate = (date?: string | Dayjs | Date): Dayjs => {
  return dayjs(date)
}

export const checkIsTomorrow = (date: string): boolean => {
  return dayjs(date).isTomorrow()
}

export const checkIsInCurrentWeek = (date: string): boolean => {
  return dayjs(date).isSame(dayjs(), 'week')
}

export const checkTimeUpcoming = (time: string): boolean => {
  const nowDate = dayjs().format(DATE_TIME_FORMAT.FULL_DATE_FORMAT_SCHEDULE)
  return (
    dayjs(time).unix() - dayjs(nowDate).unix() > 0 &&
    dayjs(time).unix() - dayjs(nowDate).unix() <= HALF_DAY
  )
}