import hashlib

from settings import settings

__all__ = 'restore_field', 'sort_kv', 'check_sign'


def restore_field(data: dict) -> dict:
    res = dict()
    for k, v in data.items():
        res[settings.FIELD_MAP.get(k) or k] = v
    return res


def sort_kv(*args: dict):
    return ''.join(map(lambda item: ''.join(map(lambda x: f'{x[0]}{x[1]}', item.items())), args))


def check_sign(sign: str, *args: dict):
    s = sort_kv(*args) + settings.SALT
    if hashlib.md5(s.encode()).hexdigest() != sign:
        return False
    return True