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

  points.topLeft = new Point(0, 0)
  points.bottomRight = new Point(
    store.get('topCuffWidth') + store.get('underCuffWidth'),
    store.get('cuffLength') * 1.5
  )
  points.bottomLeft = new Point(points.topLeft.x, points.bottomRight.y)
  points.topRight = new Point(points.bottomRight.x, points.topLeft.y)
  macro('round', {
    from: points.topLeft,
    to: points.bottomRight,
    via: points.bottomLeft,
    radius: store.get('cuffRadius'),
    prefix: 'roundLeft'
  })
  macro('round', {
    from: points.bottomLeft,
    to: points.topRight,
    via: points.bottomRight,
    radius: store.get('cuffRadius'),
    prefix: 'roundRight'
  })

  paths.seam = new Path()
    .move(points.topLeft)
    .line(points.roundLeftStart)
    .curve(points.roundLeftCp1, points.roundLeftCp2, points.roundLeftEnd)
    .line(points.roundRightStart)
    .curve(points.roundRightCp1, points.roundRightCp2, points.roundRightEnd)
    .line(points.topRight)
    .line(points.topLeft)
    .close()
    .attr('class', 'fabric')

  if (complete) {
    points.title = points.topLeft.shiftFractionTowards(points.bottomRight, 0.5)
    macro('title', {
      at: points.title,
      nr: 9,
      title: 'cuffFacing'
    })

    macro('grainline', {
      from: points.bottomLeft.shift(0, 10 + store.get('cuffRadius')),
      to: points.topLeft.shift(0, 10 + store.get('cuffRadius'))
    })

    if (sa) paths.sa = paths.seam.offset(sa).attr('class', 'fabric sa')

    if (paperless) {
      macro('vd', {
        from: points.roundRightStart,
        to: points.roundRightEnd,
        x: points.topRight.x + sa + 15
      })
      macro('vd', {
        from: points.roundRightStart,
        to: points.topRight,
        x: points.topRight.x + sa + 30
      })
      macro('hd', {
        from: points.roundRightStart,
        to: points.roundRightEnd,
        y: points.bottomRight.y + sa + 15
      })
      macro('hd', {
        from: points.roundLeftStart,
        to: points.roundRightEnd,
        y: points.bottomRight.y + sa + 30
      })
    }
  }

  return part
}