from creational.builder.Builder import Builder


class Director:
    """
    The Director is only responsible for executing the building steps in a
    particular sequence. It is helpful when producing products according to a
    specific order or configuration. Strictly speaking, the Director class is
    optional, since the client can control builders directly.

    The Director can construct several product variations using the same
    building steps.
    """

    def __init__(self) -> None:
        self._builder = None

    @property
    def builder(self) -> Builder:
        return self._builder

    @builder.setter
    def builder(self, builder: Builder) -> None:
        """
        The Director works with any builder instance that the client code
        passes to it. This way, the client code may alter the final type of the
        newly assembled product.
        """
        self._builder = builder

    def build_minimal_viable_product(self) -> None:
        self._builder.produce_part_a()

    def build_full_featured_product(self) -> None:
        self._builder.produce_part_a()
        self._builder.produce_part_b()
        self._builder.produce_part_c()