export default function (part) {
  let {
    macro,
    Path,
    points,
    paths,
    complete,
    paperless,
    snippets,
    Snippet,
    sa,
    options
  } = part.shorthand()

  if (!options.pocket) return part

  // Clear paths and snippets
  for (let p of Object.keys(paths)) delete paths[p]
  for (let p of Object.keys(snippets)) delete snippets[p]

  // Paths
  paths.seam = new Path()
    .move(points.cfHem)
    .line(points.pocketHem)
    .line(points.pocketTip)
    .curve_(points.pocketTipCp2, points.pocketTopRight)
    .line(points.pocketCfTop)
    .line(points.cfHem)
    .close()
    .attr('class', 'fabric')

  // Complete?
  if (complete) {
    points.logo = points.pocketCfTop.shiftFractionTowards(points.pocketHem, 0.3)
    points.title = points.pocketCfTop.shiftFractionTowards(points.pocketHem, 0.5)
    snippets.logo = new Snippet('logo', points.logo)
    macro('title', {
      at: points.title,
      nr: 4,
      title: 'pocket'
    })
    macro('cutonfold', {
      from: points.pocketCfTop,
      to: points.cfHem,
      grainline: true
    })
    if (sa) {
      paths.sa = paths.seam.offset(sa).attr('class', 'fabric sa')
    }
  }

  // Paperless?
  if (paperless) {
    macro('hd', {
      from: points.cfHem,
      to: points.pocketHem,
      y: points.cfHem.y + sa + 15
    })
    macro('hd', {
      from: points.cfHem,
      to: points.pocketTip,
      y: points.cfHem.y + sa + 30
    })
    macro('hd', {
      from: points.pocketCfTop,
      to: points.pocketTopRight,
      y: points.pocketCfTop.y - sa - 15
    })
    macro('vd', {
      from: points.cfHem,
      to: points.pocketCfTop,
      x: points.cfHem.x - sa - 15
    })
    macro('vd', {
      from: points.pocketHem,
      to: points.pocketTip,
      x: points.pocketTip.x + sa + 15
    })
  }

  return part
}