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;
}