// Mounting Wire
// The flexible metal wire used to clip the fans onto the heat sink

// Set units
@settings(defaultLengthUnit = mm)

// Import parameters
import * from "parameters.kcl"

// Draw the XZ component of the mounting wire path
upperArm = startSketchOn(offsetPlane(XZ, offset = fanSize / 2 + 2))
  |> startProfile(at = [-12, 40 + fanSize / 2])
  |> yLine(length = 7)
  |> tangentialArc(radius = 2, angle = 90)
  |> xLine(length = -9)
  |> tangentialArc(radius = 2, angle = -90)
  |> yLine(length = 14)
  |> tangentialArc(radius = 2, angle = 90)
  |> xLine(length = -9)
  |> tangentialArc(radius = 2, angle = -80)
  |> angledLine(angle = 100, endAbsoluteY = 40 + fanSize / 2 + mountingHoleSpacing / 2 - 1.5)
  |> tangentialArc(radius = 2, angle = 80, tag = $seg07)

// Draw the XZ component of the mounting wire path
lowerArm = startSketchOn(offsetPlane(XZ, offset = fanSize / 2 + 2))
  |> startProfile(at = [-12, 40 + fanSize / 2])
  |> yLine(length = -7)
  |> tangentialArc(radius = 2, angle = -90)
  |> xLine(length = -9)
  |> tangentialArc(radius = 2, angle = 90)
  |> yLine(length = -14)
  |> tangentialArc(radius = 2, angle = -90)
  |> xLine(length = -9)
  |> tangentialArc(radius = 2, angle = 80)
  |> angledLine(angle = -100, endAbsoluteY = 40 + fanSize / 2 - (mountingHoleSpacing / 2) + 1.5)
  |> tangentialArc(radius = 2, angle = -80, tag = $seg08)

// Create the profile of the mounting wire and sweep along the XZ path
wireProfile = startSketchOn(offsetPlane(XY, offset = 40 + fanSize / 2))
sweepUpperArm = circle(wireProfile, center = [-12, -fanSize / 2 - 2], radius = 1)
  |> sweep(%, path = upperArm)

sweepLowerArm = circle(wireProfile, center = [-12, -fanSize / 2 - 2], radius = 1)
  |> sweep(%, path = lowerArm)

// Draw the XY components of the mounting wire path
upperHook = startSketchOn(offsetPlane(XY, offset = segEndY(seg07)))
  |> startProfile(at = [segEndX(seg07), -fanSize / 2 - 2])
  |> xLine(endAbsolute = -heatSinkDepth / 2 - fanHeight)
  |> tangentialArc(radius = 2, angle = -90)
  |> yLine(endAbsolute = -mountingHoleSpacing / 2 - 2)
  |> tangentialArc(radius = 2, angle = -90)
  |> xLine(length = fanHeight / 3)

// Draw the XY components of the mounting wire path
lowerHook = startSketchOn(offsetPlane(XY, offset = segEndY(seg08)))
  |> startProfile(at = [segEndX(seg07), -fanSize / 2 - 2])
  |> xLine(endAbsolute = -heatSinkDepth / 2 - fanHeight)
  |> tangentialArc(radius = 2, angle = -90)
  |> yLine(endAbsolute = -mountingHoleSpacing / 2 - 2)
  |> tangentialArc(radius = 2, angle = -90)
  |> xLine(length = fanHeight / 3)

// Sweep the wire profile around the hook-shaped segments of the mounting wire
hookProfile = startSketchOn(offsetPlane(YZ, offset = segEndX(seg07)))
sweepUpperHook = circle(hookProfile, center = [-fanSize / 2 - 2, segEndY(seg07)], radius = 1)
  |> sweep(%, path = upperHook)

sweepLowerHook = circle(hookProfile, center = [-fanSize / 2 - 2, segEndY(seg08)], radius = 1)
  |> sweep(%, path = lowerHook)

// Union each piece of the wire into a single continuous sweep
[
       sweepLowerArm,
       sweepLowerHook,
       sweepUpperArm,
       sweepUpperHook
     ]
  |> appearance(color = "#0d0d0d")