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

  // Add cuff
  let length = measurements.shoulderToWrist * options.cuffLength;
  let angle = points.usWristRight.angle(points.usWristLeft);
  points.cuffBottomRight = points.usWristRight.shift(angle+90, length);
  points.cuffBottomLeft = points.usWristLeft.shift(angle+90, length);
  macro("round", {
    to: points.usWristRight,
    from: points.cuffBottomLeft,
    via: points.cuffBottomRight,
    radius: length/3,
    render: true,
    prefix: "round"
  });
  store.set("underCuffWidth", points.usWristLeft.dist(points.usWristRight));

  // Clean up
  for (let i in paths) delete paths[i];

  // Paths
  paths.seam = new Path()
    .move(points.usLeftEdge)
    ._curve(points.usElbowLeftCpTop, points.usElbowLeft)
    .line(points.usWristLeft)
    .line(points.cuffBottomLeft)
    .line(points.roundStart)
    .curve(points.roundCp1, points.roundCp2, points.roundEnd)
    .line(points.usWristRight)
    .line(points.elbowRight)
    .curve(points.elbowRightCpTop, points.usRightEdgeCpBottom, points.usRightEdge)
    .curve_(points.usRightEdgeCpTop, points.usTip)
    .curve(points.usTipCpBottom, points.usLeftEdgeCpRight, points.usLeftEdgeRight)
    .line(points.usLeftEdge)
    .close()
    .attr("class", "fabric");

  if (complete) {

    macro("grainline", {
      from: points.boxBottom,
      to: new Point(
        points.top.x,
        points.usLeftEdge.y
      )
    });

    if (sa) {
      paths.sa = paths.seam.offset(sa).attr("class", "fabric sa");
    }

    if (paperless) {
      macro("ld", {
        from: points.usWristLeft,
        to: points.usWristRight,
        d: -15
      });
      macro("vd", {
        from: points.usWristLeft,
        to: points.usElbowLeft,
        x: points.usLeftEdge.x - sa - 15
      });
      macro("vd", {
        from: points.usWristLeft,
        to: points.usLeftEdge,
        x: points.usLeftEdge.x - sa - 30
      });
      macro("ld", {
        from: points.cuffBottomLeft,
        to: points.usWristLeft,
        d: 15 + sa
      });
      macro("vd", {
        from: points.cuffBottomRight,
        to: points.usWristRight,
        x: points.usWristRight.x + 15 + sa
      });
      macro("vd", {
        from: points.usWristRight,
        to: points.elbowRight,
        x: points.elbowRight.x + 15 + sa
      });
      macro("vd", {
        from: points.usWristRight,
        to: points.usTip,
        x: points.elbowRight.x + 30 + sa
      });
      macro("ld", {
        from: points.usElbowLeft,
        to: points.elbowRight
      });
      macro("ld", {
        from: points.usLeftEdge,
        to: points.usRightEdge,
        d: -15
      });
      macro("hd", {
        from: points.usLeftEdge,
        to: points.usTip,
        y: points.usTip.y - sa - 15
      });
      macro("vd", {
        from: points.usLeftEdge,
        to: points.usTip,
        x: points.usLeftEdge.x - sa - 15
      });
    }
  }

  return part;
}