import { ZOOM_STEPS } from 'app/constants'
import { clamp } from 'app/utils'
import actions from 'app/actions'

import { HEADER_MARGIN, INNER_HEIGHT } from 'app/constants'

export const positionToTime = (y, { start_ts, zoom, duration }) => {
  y -= HEADER_MARGIN
  const secondsPerPixel = ZOOM_STEPS[zoom] * 0.1
  const widthTimeDuration = INNER_HEIGHT * secondsPerPixel
  const timeMin = start_ts
  const timeMax = Math.min(start_ts + widthTimeDuration, duration)
  const timeWidth = timeMax - timeMin
  return clamp(y * secondsPerPixel + start_ts, 0, timeMax)
}

export const timeToPosition = (ts, { start_ts, zoom, duration }) => {
  const secondsPerPixel = ZOOM_STEPS[zoom] * 0.1
  const widthTimeDuration = INNER_HEIGHT * secondsPerPixel
  const timeMin = start_ts
  const timeMax = Math.min(start_ts + widthTimeDuration, duration)
  const timeWidth = timeMax - timeMin
  const timeHalfHeight = INNER_HEIGHT * secondsPerPixel / 2
  if (ts < timeMin - timeHalfHeight) {
    return -9999
  }
  if (ts > timeMax) {
    return -9999
  }
  return (ts - timeMin) / timeWidth * INNER_HEIGHT
}

export const getFirstPunctuationMarkIndex = text => {
  const indexes = [
    text.indexOf('. '),
    text.indexOf('? '),
    text.indexOf('! '),
    text.indexOf('." '),
    text.indexOf('?" '),
    text.indexOf('!" '),
    text.indexOf('.” '),
    text.indexOf('?” '),
    text.indexOf('!” '),
  ]

  return indexes.reduce((a, b) => {
    if (b < 0) return a
    return Math.min(a, b)
  }, Infinity) + 1
}

export const cutFirstSentence = text => {
  const textToCrop = text.trim().replace("\n", " ").split("\n")[0]
  let cropIndex = getFirstPunctuationMarkIndex(textToCrop)
  if (!cropIndex) cropIndex = textToCrop.length
  const croppedText = textToCrop.substr(0, cropIndex).trim()
  const updatedText = text.trim().replace(croppedText, '').trim()
  actions.site.updateText(updatedText)
  return croppedText
}

export const thumbnailURL = data => {
  if (data.type === 'video') return data.settings.video.thumbnail_url
  if (data.type === 'image') return data.settings.thumbnail.url
}