#!/bin/python

import cadquery as cq
import base64
import subprocess
import math
from mathobjects import *

pannelSize = Vec(400, 300, 5)
tool = 4

def drowOnPos(f, pos, fn):
  f = f.center(pos.x - f.plane.origin[0], pos.y - f.plane.origin[1], pos.z - f.plane.origin[2])
  return fn(f)

def rectWitchInsideRadius(f, w, h, r):
  cs = math.sqrt(2) * r
  f = f.center(w/2 - cs, h/2 - cs)
  f = f.threePointArc((cs, 0), (cs, -cs))
  f = f.lineTo(cs, -(h - cs))
  f = f.threePointArc((cs, -h), (0, -h))
  f = f.lineTo(-(w - 2*cs), -h)
  f = f.threePointArc((-(w-cs), -h), (-(w-cs), -(h-cs)))
  f = f.lineTo(-(w-cs), -cs)
  f = f.threePointArc((-(w-cs), 0), (-(w-2*cs), 0))
  f = f.close()
  f = f.center(-w/2 + cs, -h/2 + cs)
  return f

def holeWithFlets(f, r, fw):
  fl = math.sqrt(math.pow(r, 2) - math.pow(fw/2, 2))
  f = f.center(fw/2, fl/2)
  f = f.threePointArc((-fw/2, r - fl/2), (-fw, 0))
  f = f.lineTo(-fw, -fl)
  f = f.threePointArc((-fw/2, -(fl/2 + r)), (0, -fl))
  f = f.close()
  f = f.center(-fw/2, -fl/2)
  return f

def femailBananaConnHole(f):
  return holeWithFlets(f, 6, 10.5)

def LPSCut(f):
  global pannelSize, tool
  displaySize = (77, 39)
  clearence = 15
  connPoss = [displaySize[0]/3, displaySize[1]/2 + 30]

  # display
  f = f.center(0, 10)
  f = rectWitchInsideRadius(f, displaySize[0], displaySize[1], tool/2)

  # connectors
  f = f.center(connPoss[0], -connPoss[1])
  f = femailBananaConnHole(f)
  f = f.center(-2*connPoss[0], 0)
  f = femailBananaConnHole(f)

  # f = f.center()
  return f

def LPSText(f):
  f = f.rect(95, 50)


def frontPannle():
  global pannelSize
  f = cq.Workplane('XZ')

  LPSPos = Vec(125, 0, 100)

  f = f.rect(pannelSize.x, pannelSize.z)

  f = drowOnPos(f, LPSPos, LPSCut)

  f = f.extrude(pannelSize.y)

  f = drowOnPos(f, LPSPos, LPSText)

  return f


f = frontPannle()

cq.exporters.exportShape(f, 'STEP', open('front.step', 'w'))

subprocess.run(["/usr/lib64/freecad/bin/FreeCAD",  './front.step'])

# svg = f.toSvg().encode('ascii')
# svg = base64.b64encode(svg)
# url = 'data:image/svg+xml;base64,' + svg.decode('ascii')

# subprocess.run(["firefox",  url])