"""Concrete Products are created by corresponding Concrete Factories."""

from creational.abstract_factory.AbstractProductA import AbstractProductA
from creational.abstract_factory.AbstractProductB import AbstractProductB


class ConcreteProductA1(AbstractProductA):
    def useful_function_a(self) -> str:
        return "The result of the product A1."


class ConcreteProductA2(AbstractProductA):
    def useful_function_a(self) -> str:
        return "The result of the product A2."


class ConcreteProductB1(AbstractProductB):
    def useful_function_b(self) -> str:
        return "The result of the product B1."

    def another_useful_function_b(self, collaborator: AbstractProductA) -> str:
        """
        The variant, Product B1, is only able to work correctly with the
        variant, Product A1. Nevertheless, it accepts any instance of
        AbstractProductA as an argument.
        """
        result = collaborator.useful_function_a()
        return f"The result of the B1 collaborating with the ({result})"


class ConcreteProductB2(AbstractProductB):
    def useful_function_b(self) -> str:
        return "The result of the product B2."

    def another_useful_function_b(self, collaborator: AbstractProductA):
        """
        The variant, Product B2, is only able to work correctly with the
        variant, Product A2. Nevertheless, it accepts any instance of
        AbstractProductA as an argument.
        """
        result = collaborator.useful_function_a()
        return f"The result of the B2 collaborating with the ({result})"