from __future__ import annotations

from collections.abc import Iterator
from pathlib import Path
from typing import TYPE_CHECKING, Final, final

from autoslot import Slots

from docker_compose import ROOT

if TYPE_CHECKING:
    from docker_compose.domain.render.render import Render


@final
class BindVols(Slots):
    def __init__(self, render: Render) -> None:
        self.render: Final = render

    def __call__(self):
        for path in self:
            path.mkdir(parents=True, exist_ok=True)

    def __iter__(self) -> Iterator[Path]:
        for app in self.render.template.services:
            for vol in app.volumes:
                path = Path(self.render.org_data(vol.src))
                if ROOT not in path.parents:
                    continue
                if not path.is_dir():
                    continue
                yield path