const emptyEngagements = {
  total_reactions: 0,
  reactions: {
    likes: 0,
  },
  comments: 0,
  reshares: 0,
};

export const getSortedSamples = (samples = { web= [] , twitter= [] }: any) => {
  const decoreateSample = source => sample => ({
    ...sample,
    sourceForDisplay: source,
    engagements: sample.engagements || { ...emptyEngagements },
  })
  const sortByPostedTime = (sampleA, sampleB) =>  dayjs(sampleA.posted_time).isBefore(sampleB.posted_time) ? -1 : 1

  return [
    ...samples.twitter.map(decoreateSample(SOURCES_FOR_DISPLAY.TWITTER)),
    ...samples.web.map(decoreateSample(SOURCES_FOR_DISPLAY.WEB)),
  ].sort(sortByPostedTime)
};