export function saBase(side, points, Path) {
  let path = new Path()
  if (side === 'back') path.move(points.cbHem)
  else path.move(points.cfHem)
  path
    .line(points.hem)
    .line(points.armhole)
    .curve(points.armholeCp2, points.armholeHollowCp1, points.armholeHollow)
    .curve(points.armholeHollowCp2, points.armholePitchCp1, points.armholePitch)
    .curve(points.armholePitchCp2, points.shoulderCp1, points.shoulder)
    .line(points.neck)
  if (side === 'back') {
    path.curve(points.neckCp2, points.cbNeck, points.cbNeck)
  } else {
    path.curve(points.neckCp2, points.cfNeckCp1, points.cfNeck)
  }

  return path
}

export function armholeLength(points, Path) {
  return new Path()
    .move(points.armhole)
    .curve(points.armholeCp2, points.armholeHollowCp1, points.armholeHollow)
    .curve(points.armholeHollowCp2, points.armholePitchCp1, points.armholePitch)
    .curve(points.armholePitchCp2, points.shoulderCp1, points.shoulder)
    .length()
}

export function shoulderToArmholePitch(points, Path) {
  return new Path()
    .move(points.armholePitch)
    .curve(points.armholePitchCp2, points.shoulderCp1, points.shoulder)
    .length()
}

export function dimensions(macro, points, Path, sa) {
  macro('pd', {
    path: new Path()
      .move(points.armhole)
      .curve(points.armholeCp2, points.armholeHollowCp1, points.armholeHollow)
      .curve(points.armholeHollowCp2, points.armholePitchCp1, points.armholePitch)
      .curve(points.armholePitchCp2, points.shoulderCp1, points.shoulder),
    d: sa + 15
  })
  macro('pd', {
    path: new Path()
      .move(points.armholePitch)
      .curve(points.armholePitchCp2, points.shoulderCp1, points.shoulder),
    d: -15
  })
  macro('vd', {
    from: points.hips,
    to: points.armhole,
    x: points.hips.x + sa + 15
  })
  macro('vd', {
    from: points.hips,
    to: points.armholePitch,
    x: points.hips.x + sa + 30
  })
  macro('vd', {
    from: points.hips,
    to: points.shoulder,
    x: points.hips.x + sa + 45
  })
  macro('vd', {
    from: points.hips,
    to: points.neck,
    x: points.hips.x + sa + 60
  })
  macro('ld', { from: points.neck, to: points.shoulder, d: sa + 15 })
}