import * as moment from 'moment'
import { IActivity } from '../modules/activity/interfaces'
import { IProfile } from '../modules/enrichment/interfaces'

const ONE_MINUTE = 1000 * 60
const ONE_HOUR = ONE_MINUTE * 60

export const humanizeTime = (unixMilliseconds: number) => {
  const diff = Date.now() - unixMilliseconds
  if (diff < ONE_MINUTE) {
    return 'Now'
  }

  if (diff < ONE_HOUR) {
    return `${Math.floor(diff / ONE_MINUTE)} min ago`
  }

  const date = moment(unixMilliseconds)
  if (date.isSame(moment(), 'day')) {
    return date.format('LT')
  }

  return date.format('MMM D')
}

export const humanizeMeetingDuration = (meetingDuration: number) => {
  if (meetingDuration % 60 === 0) {
    const hours = meetingDuration / 60
    return hours === 1 ? '1 hour' : `${hours} hours`
  } else {
    return `${meetingDuration} minutes`
  }
}

export const humanizeDate = (unixMilliseconds: number) => {
  const now = moment().startOf('day')
  const then = moment(unixMilliseconds).startOf('day')

  const diff = now.diff(then, 'days')
  if (diff === 0) {
    return 'Today'
  }

  if (diff === 1) {
    return 'Yesterday'
  }

  return then.format('MMM D')
}


export const renderEndUserShortName = (email: string, profile: IProfile, activity: IActivity) => {
  if (activity && activity.name) {
    return activity.name
  }

  if (profile && profile.attributes) {
    return profile.attributes.firstName || profile.attributes.displayName
  }

  return email
}

export const renderEndUserName = (email: string, profile: IProfile, activity: IActivity) => {
  if (activity && activity.name) {
    return activity.name + ' at Drift'
  }

  if (profile && profile.attributes) {
    const displayName = profile.attributes.displayName
    const company = profile.attributes.employmentName
    if (displayName && company) {
      return `${displayName} at ${company}`
    } else if (displayName) {
      return `${displayName}`
    }
  }

  return email
}