from pathlib import Path
from string import Template
from typing import Annotated

from injectable import injectable, autowired, Autowired

from app.services import Passwords


class SimpleValueTemplate(Template):
  # Pozwala na kropki w nazwach placeholderów, np. ${user.name.first}
  idpattern = r'[_a-zA-Z][_a-zA-Z0-9.]*'


class ComplexValueTemplate(SimpleValueTemplate):
  delimiter = '%'


@injectable
class Mo:
  @autowired
  def __init__(self, passwords: Annotated[Passwords, Autowired]):
    self._passwords = passwords

  def process(self, mo_file: Path):
    raw = ''
    with open(mo_file, "r") as mo:
      raw = mo.read()
    cmp = ComplexValueTemplate(raw)
    rendered = cmp.substitute(self._passwords.get_values(cmp.get_identifiers()))
    smp = SimpleValueTemplate(rendered)
    ids = [_id + '.password' for _id in smp.get_identifiers()]
    mappings = {k.replace('.password', ''): v for k, v in self._passwords.get_values(ids).items()}
    rendered = smp.substitute(mappings)
    de_mo_ified = str(mo_file).replace(".mo", "")
    with open(de_mo_ified, "w") as mo:
      mo.write(rendered)