import copy

from components import SelfReferencingEntity, SomeComponent

list_of_objects = [1, {1, 2, 3}, [1, 2, 3]]
circular_ref = SelfReferencingEntity()
component = SomeComponent(23, list_of_objects, circular_ref)
circular_ref.set_parent(component)

shallow_copied_component = copy.copy(component)

# Let's change the list in shallow_copied_component and see if it changes in component.
shallow_copied_component.some_list_of_objects.append("another object")
if component.some_list_of_objects[-1] == "another object":
    print(
        """Adding elements to `shallow_copied_component`'s some_list_of_objects
        adds it to `component`'s some_list_of_objects."""
    )
else:
    print(
        """Adding elements to `shallow_copied_component`'s some_list_of_objects
        doesn't add it to `component`'s some_list_of_objects."""
    )

# Let's change the set in the list of objects.
component.some_list_of_objects[1].add(4)
if 4 in shallow_copied_component.some_list_of_objects[1]:
    print(
        "Changing objects in the `component`'s some_list_of_objects "
        "changes that object in `shallow_copied_component`'s "
        "some_list_of_objects."
    )
else:
    print(
        "Changing objects in the `component`'s some_list_of_objects "
        "doesn't change that object in `shallow_copied_component`'s "
        "some_list_of_objects."
    )

deep_copied_component = copy.deepcopy(component)

# Let's change the list in deep_copied_component and see if it changes in
# component.
deep_copied_component.some_list_of_objects.append("one more object")
if component.some_list_of_objects[-1] == "one more object":
    print(
        "Adding elements to `deep_copied_component`'s "
        "some_list_of_objects adds it to `component`'s "
        "some_list_of_objects."
    )
else:
    print(
        "Adding elements to `deep_copied_component`'s "
        "some_list_of_objects doesn't add it to `component`'s "
        "some_list_of_objects."
    )

# Let's change the set in the list of objects.
component.some_list_of_objects[1].add(10)
if 10 in deep_copied_component.some_list_of_objects[1]:
    print(
        "Changing objects in the `component`'s some_list_of_objects "
        "changes that object in `deep_copied_component`'s "
        "some_list_of_objects."
    )
else:
    print(
        "Changing objects in the `component`'s some_list_of_objects "
        "doesn't change that object in `deep_copied_component`'s "
        "some_list_of_objects."
    )

print(
    f"id(deep_copied_component.some_circular_ref.parent): "
    f"{id(deep_copied_component.some_circular_ref.parent)}"
)
print(
    f"id(deep_copied_component.some_circular_ref.parent.some_circular_ref.parent): "
    f"{id(deep_copied_component.some_circular_ref.parent.some_circular_ref.parent)}"
)
print(
    "^^ This shows that deepcopied objects contain same reference, they "
    "are not cloned repeatedly."
)