"""Profile lookup. Specific (build-pinned) profiles are tried before engine-wide ones."""
from __future__ import annotations

from pathlib import Path

from app.games.base import GameProfile

_PROFILES: list[GameProfile] = []


def register(profile: GameProfile) -> GameProfile:
    if any(p.id == profile.id for p in _PROFILES):
        raise ValueError(f"Профиль уже зарегистрирован: {profile.id}")
    _PROFILES.append(profile)
    return profile


def all_profiles() -> list[GameProfile]:
    _load()
    return list(_PROFILES)


def select(engine: str, root: Path) -> GameProfile | None:
    """The profile that imports the game at ``root`` for a detected ``engine``."""
    _load()
    candidates = [p for p in _PROFILES if p.engine == engine]
    for profile in sorted(candidates, key=lambda p: not p.specific):
        if profile.claims(root):
            return profile
    return None


def for_runtime(runtime: str | None) -> GameProfile | None:
    _load()
    return next((p for p in _PROFILES if runtime and p.runtime == runtime), None)


def for_id(profile_id: str | None) -> GameProfile | None:
    _load()
    return next((p for p in _PROFILES if p.id == profile_id), None)


def _load() -> None:
    # Importing the package registers the built-in profiles.
    import app.games  # noqa: F401