import os
import pathlib
import base64
import yaml

_storagepath = pathlib.Path(__file__).parents[1] / ".temp" 
_file = _storagepath / "storage.yaml"

_storagepath.mkdir(exist_ok=True, parents=True)

def fileexists():
    if not _file.exists():
        with open(_file, 'a'):
            os.utime(_file, None)

def set(key: str, value: str, encoded=False):
    fileexists()
    with open(_file, "r+") as file:
        content: dict[str, str] = yaml.load(file, Loader=yaml.SafeLoader) or {}
        content.update({ key: base64.b64encode(value.encode()) if encoded else value })
    with open(_file, "w+") as file:
        yaml.dump(content, file, Dumper=yaml.SafeDumper)

def remove(key: str):
    fileexists()
    with open(_file, "r") as file:
        content: dict[str, str] = yaml.load(file, Loader=yaml.SafeLoader) or {}
        content.pop(key, None)
    with open(_file, "w+") as file:
        yaml.dump(content, file, Dumper=yaml.SafeDumper)

def get(key: str, encoded=False):
    value: str = None
    if not _file.exists():
        return None
    with open(_file, "r") as file:
        content: dict[str, str] = yaml.load(file, Loader=yaml.SafeLoader)
        value = content.get(key, None)
    if value is None:
        return None
    return base64.b64decode(value).decode() if encoded else value

def clear():
    _file.unlink()