// Pillow Block Bearing
// The machined block for the pillow block bearing assembly. The block is dimensioned using the bolt pattern spacing, and each bolt hole includes a counterbore

// Set units
@settings(defaultLengthUnit = in)

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

// Calculate the dimensions of the block using the specified bolt spacing. The size of the block can be defined by adding a multiple of the counterbore diameter to the bolt spacing
blockLength = boltSpacingX + counterboreDiameter + boltDiameter
blockWidth = boltSpacingY + counterboreDiameter + boltDiameter

// Draw the base plate
plateSketch = startSketchOn(XY)
  |> startProfile(at = [-blockLength / 2, -blockWidth / 2])
  |> angledLine(angle = 0, length = blockLength, tag = $rectangleSegmentA001)
  |> angledLine(angle = segAng(rectangleSegmentA001) + 90, length = blockWidth, tag = $rectangleSegmentB001)
  |> angledLine(angle = segAng(rectangleSegmentA001), length = -segLen(rectangleSegmentA001), tag = $rectangleSegmentC001)
  |> line(endAbsolute = [profileStartX(%), profileStartY(%)], tag = $rectangleSegmentD001)
  |> close()
  |> subtract2d(tool = circle(center = [0, 0], radius = bearingOuterDiameter / 2))
plateBody = extrude(plateSketch, length = stockThickness)
  |> appearance(%, color = "#1e62eb")
  |> fillet(
       radius = boltDiameter * 1 / 3,
       tags = [
         getNextAdjacentEdge(rectangleSegmentB001),
         getNextAdjacentEdge(rectangleSegmentA001),
         getNextAdjacentEdge(rectangleSegmentC001),
         getNextAdjacentEdge(rectangleSegmentD001)
       ],
     )

// Define hole positions
holePositions = [
  [-boltSpacingX / 2, -boltSpacingY / 2],
  [-boltSpacingX / 2, boltSpacingY / 2],
  [boltSpacingX / 2, -boltSpacingY / 2],
  [boltSpacingX / 2, boltSpacingY / 2]
]

// Function to create a counterbored hole
fn counterbore(@holePosition) {
  cbBore = startSketchOn(plateBody, face = END)
    |> circle(center = holePosition, radius = counterboreDiameter / 2)
    |> extrude(length = -counterboreDepth)
  cbBolt = startSketchOn(cbBore, face = START)
    |> circle(center = holePosition, radius = boltDiameter / 2, tag = $hole01)
    |> extrude(length = -stockThickness + counterboreDepth)

  return {  }
}

// Place a counterbored hole at each bolt hole position
map(holePositions, f = counterbore)