import 'web/lib/dayjs'

import dayjs from 'dayjs'

export function fromNow(
  time: number | string | Date,
  privacy: boolean = false,
  t: any = undefined,
  locale: string | null = null,
) {
  let date = dayjs(time)
  if (locale) date = date.locale(locale)
  if (privacy && dayjs().diff(date, 'hour') < 24) {
    const defaultPastDay = 'in the past day'
    return t ? t('common.from-now.past_day', defaultPastDay) : defaultPastDay
  }
  return date.fromNow()
}

const FORMATTER = new Intl.DateTimeFormat('default', {
  dateStyle: 'medium',
  timeStyle: 'medium',
})

export const formatTime = FORMATTER.format

export function formatTimeShort(
  time: number | string | Date,
  locale: string | null = null,
  hourOnly: boolean | null = null,
) {
  let date = dayjs(time)
  let template = hourOnly ? 'h:mm A' : 'dddd, MMMM D · h:mm A'
  if (locale) {
    date = date.locale(locale)
    if (locale !== 'en') template = hourOnly ? 'HH:mm' : 'dddd D MMMM · HH:mm'
  }
  return date.format(template)
}

export function formatJustTime(time: number) {
  return dayjs(time).format('h:mma')
}

export const getCountdownString = (endDate: Date) => {
  const remainingTimeMs = endDate.getTime() - Date.now()
  const isPast = remainingTimeMs < 0

  const seconds = Math.floor(Math.abs(remainingTimeMs) / 1000)
  const minutes = Math.floor(seconds / 60)
  const hours = Math.floor(minutes / 60)
  const days = Math.floor(hours / 24)

  const hoursStr = `${hours % 24}h`
  const minutesStr = `${minutes % 60}m`
  const daysStr = `${days}d`

  return `${isPast ? '-' : ''}${daysStr} ${hoursStr} ${minutesStr}`
}

export const getCountdownStringHoursMinutes = (endDate: Date) => {
  const remainingTimeMs = endDate.getTime() - Date.now()
  const isPast = remainingTimeMs < 0

  const seconds = Math.floor(Math.abs(remainingTimeMs) / 1000)
  const minutes = Math.floor(seconds / 60)
  const hours = Math.floor(minutes / 60)

  const hoursStr = `${hours % 24}h`
  const minutesStr = `${minutes % 60}m`

  return `${isPast ? '-' : ''} ${hoursStr} ${minutesStr}`
}

export function capitalizePure(word: string): string {
  return word.charAt(0).toUpperCase() + word.slice(1)
}