from typing import Any, Callable, Tuple

from server.constants.common import ABSENT, EMPTY_DICT
from server.utils.glom import glom


DEFAULT_NONE_VALUES = (ABSENT, EMPTY_DICT, None, "null", "", "unknown")


def getter(
    item: dict,
    key: str,
    f: Callable = None,
    none_values: Tuple[Any] = DEFAULT_NONE_VALUES,
    none_result: Any = None,
    default_result: Any = ABSENT,
) -> Any:
    value = glom(item, key, default=ABSENT)
    if (value in none_values) or ((EMPTY_DICT in none_values) and isinstance(value, dict) and not value):
        if none_result is not ABSENT:
            return none_result
        if default_result is not ABSENT:
            value = default_result
    return f(value) if f is not None else value