#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from typing import Any, Self, Sequence
from re import Pattern as REPattern
from Utils.Patterns import RE

class Check:

    @staticmethod
    def is_string(item:Any|None) -> bool:
        return isinstance(item, str)
    
    @classmethod
    def is_key(cls:type[Self], item:Any|None) -> bool:
        return isinstance(item, str) and RE.KEY.match(item) is not None
    
    @staticmethod
    def is_array(item:Any|None) -> bool:
        return isinstance(item, (list, tuple))
    
    @staticmethod
    def is_dictionary(item:Any|None) -> bool:
        return isinstance(item, dict)
    
    @staticmethod
    def is_function(item:Any|None) -> bool:
        return callable(item)
    
    @staticmethod
    def is_regular_expression(item:Any|None) -> bool:
        return isinstance(item, REPattern)