"""
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 Role(Enum):
    """
    Describes the role of a part
    """

    # Parent and child components in a load bearing joint
    PARENT = _color('blue4', 0.6)
    CHILD = _color('darkorange2', 0.6)
    STRUCTURE = _color('gray', 0.4)
    DECORATION = _color('lightseagreen', 0.4)
    ELECTRONIC = _color('mediumorchid', 0.5)

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

class Material(Enum):
    """
    A catalog of common material properties
    """

    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