import pathlib
import time

from .file_handler import file_handler

class log_directory:
    def __init__(self, target: pathlib.Path | None = None) -> None:
        if target is None:
            target = pathlib.Path("./logs")

        if not target.is_dir():
            target.mkdir()

        self.__root = target

    @staticmethod
    def _ends_with(name: str, ending: str) -> bool:
        return name[-len(ending):] == ending

    @property
    def root(self) -> pathlib.Path:
        return self.__root

    @property
    def logs(self) -> tuple:
        return tuple(self.iter_logs())

    def iter_logs(self) -> pathlib.Path:
        for count in self.__root.iterdir():
            if self._ends_with(count.name, ".log"):
                yield self.__root / count

    def get_logs_for_day(self, name: str | None = None) -> tuple:
        if name is None:
            name = self._base_name

        logs = self.iter_logs()
        filtered = filter(lambda count: count.find(name) != -1, logs)

        return tuple(filtered)

    @property
    def _base_name(self) -> str:
        return time.strftime("%Y-%m-%d", time.now())
    
    def _get_new_name(self) -> str:
        base_name = self._base_name
        logs_for_name = self.get_logs_for_day(base_name)
        in_result = base_name + "-" + str(len(logs_for_name) + 1) + ".log"

        return in_result

    def get_new_file(self) -> pathlib.Path:
        return self.root / pathlib.Path(self._get_new_name())

    def get_new_handler(self) -> file_handler:
        return file_handler(self.get_new_file)