"""
A catalog of material properties
"""
from enum import Enum
import cadquery as Cq

def _color(name: str, alpha: float) -> Cq.Color:
    r, g, b, _ = Cq.Color(name).toTuple()
    return Cq.Color(r, g, b, alpha)

class Material(Enum):

    WOOD_BIRCH = 0.8, _color('bisque', 0.9)
    PLASTIC_PLA = 0.5, _color('azure3', 0.6)
    ACRYLIC_BLACK = 0.5, _color('gray50', 0.6)

    def __init__(self, density: float, color: Cq.Color):
        self.density = density
        self.color = color