from .handler import handler

class logger:
    def __init__(self) -> None:
        self.__handlers = set()

    def _get_message(self, *args, **kwargs) -> str:
        if len(kwargs) == 0:
            return self.__get_message_from_args(self, *args)

        if len(args) != 1:
            raise RuntimeError("You must specify output format.")

        return self.__get_message_from_kwargs(self, args[0], **kwargs)

    def __get_message_from_args(self, *args) -> str:
        line = ""

        for count in args:
            typed = type(count)

            if typed is str:
                line = line + count + " "
                continue
            
            if typed is int or typed is float or typed is bool:
                line = line + str(count) + " "
                continue

            line = line + repr(count) + " "

        if len(args) > 0:
            line = line[0:-1]

        return line

    def __get_message_from_kwargs(self, formation: str, **kwargs) -> str:
        return formation.format(**kwargs)   
    
    def use_handler(self, target: handler) -> None:
        self.__handlers.add(target)