import os.path

from injectable import injectable
from pykeepass import PyKeePass, create_database, Group


@injectable(singleton=True)
class Passwords:
  def __init__(self):
    from app.config import get_settings
    settings = get_settings()

    with open(settings.kp.secret, "r") as fh:
      secret = fh.read()

    self._kp_org = self.__get_or_create_store(settings.kp.file, secret)
    self._kp = self.__get_lock(settings.kp.file, secret)

  @staticmethod
  def __get_or_create_store(path, passwd) -> PyKeePass:
    if os.path.exists(path):
      return PyKeePass(
        path,
        password=passwd,
      )
    return create_database(path, passwd)

  @staticmethod
  def __get_lock(path, passwd) -> PyKeePass:
    lock_path = path + ".lock"
    import shutil
    shutil.copyfile(path, lock_path)
    return Passwords.__get_or_create_store(lock_path, passwd)

  @property
  def store(self):
    return self._kp.root_group

  def save(self, group: Group):
    pass