from app.plugins.base import BaseAction


class ActionRegistry:
    def __init__(self) -> None:
        self._actions: dict[str, BaseAction] = {}

    def register(self, action: BaseAction) -> None:
        self._actions[action.name] = action

    def get(self, name: str) -> BaseAction | None:
        return self._actions.get(name)

    def all(self) -> list[BaseAction]:
        return list(self._actions.values())

    def for_category(self, category: str) -> list[BaseAction]:
        return [a for a in self._actions.values() if a.is_compatible(category)]


# Module-level singleton
action_registry = ActionRegistry()