import pathlib
import os

from .handler import handler

class file_handler(handler):    
    def __init__(self, target: pathlib.Path) -> None:
        super().__init__()

        self.__target = target
        self.__handler = None

    def add(self, content: str) -> None:
        if not self.is_ready:
            self.open()
        
        self.__handler.write(content + os.linesep)

    @property
    def is_ready(self) -> bool: 
        return self.__handler is not None and not self.__handler.closed

    def open(self) -> None:
        if self.__handler is None or self.__handler.closed:
            self.__handler = self.__target.open("a")

    def clean(self) -> None:
        if self.__handler is None or self.__handler.closed:
            return

        self.__handler.close()