/*
  Delta E Perception
  <= 1.0 Not perceptible by human eyes.
  1 - 2 Perceptible through close observation.
  2 - 10 Perceptible at a glance.
  11 - 49 Colors are more similar than opposite
  100 Colors are exact opposite
  status
  0 Exact Match
  2 Not perceptible by human eyes.
  4 Perceptible through close observation.
  8 Perceptible at a glance.
  16 Colors are exact opposite
*/

function matchColor (CIELab1, ColorCollection) {
  const delta = deltaE1994(CIELab1, ColorCollection.cieLab)
  if (delta === 0) {
    return {
      status: 1,
      name: ColorCollection.name,
      hex: ColorCollection.hex,
      delta,
      message: 'Exact Match'
    }
  } else if (delta > 0 && delta <= 1) {
    return {
      status: 2,
      name: ColorCollection.name,
      hex: ColorCollection.hex,
      delta,
      message: 'Not perceptible by human eyes'
    }
  } else if (delta > 1 && delta < 2) {
    return {
      status: 4,
      name: ColorCollection.name,
      hex: ColorCollection.hex,
      delta,
      message: 'Perceptible through close observation'
    }
  } else if (delta >= 2 && delta < 10) {
    return {
      status: 8,
      name: ColorCollection.name,
      hex: ColorCollection.hex,
      delta,
      message: 'Perceptible at a glance'
    }
  }
  return {
    status: -1,
    delta,
    message: 'No Color match found'
  }
}