import inspect
from manimlib.utils.dict_ops import merge_dicts_recursively


def filtered_locals(caller_locals):
    result = caller_locals.copy()
    ignored_local_args = ["self", "kwargs"]
    for arg in ignored_local_args:
        result.pop(arg, caller_locals)
    return result


def digest_config(obj, kwargs, caller_locals={}):
    """
    (Deprecated)

    Sets init args and CONFIG values as local variables

    The purpose of this function is to ensure that all
    configuration of any object is inheritable, able to
    be easily passed into instantiation, and is attached
    as an attribute of the object.
    """

    # Assemble list of CONFIGs from all super classes
    classes_in_hierarchy = [obj.__class__]
    static_configs = []
    while len(classes_in_hierarchy) > 0:
        Class = classes_in_hierarchy.pop()
        classes_in_hierarchy += Class.__bases__
        if hasattr(Class, "CONFIG"):
            static_configs.append(Class.CONFIG)

    # Order matters a lot here, first dicts have higher priority
    caller_locals = filtered_locals(caller_locals)
    all_dicts = [kwargs, caller_locals, obj.__dict__]
    all_dicts += static_configs
    obj.__dict__ = merge_dicts_recursively(*reversed(all_dicts))



def digest_locals(obj, keys=None):
    caller_locals = filtered_locals(
        inspect.currentframe().f_back.f_locals
    )
    if keys is None:
        keys = list(caller_locals.keys())
    for key in keys:
        setattr(obj, key, caller_locals[key])


# Occasionally convenient in order to write dict.x instead of more laborious
# (and less in keeping with all other attr accesses) dict["x"]

class DictAsObject(object):
    def __init__(self, dict):
        self.__dict__ = dict


def get_all_descendent_classes(Class):
    awaiting_review = [Class]
    result = []
    while awaiting_review:
        Child = awaiting_review.pop()
        awaiting_review += Child.__subclasses__()
        result.append(Child)
    return result