from __future__ import annotations

from app.core.constants import Role


def is_admin(role: str) -> bool:
    return role in Role.ADMIN_ROLES


def is_management(role: str) -> bool:
    return role in Role.MANAGEMENT_ROLES


def can_manage_user(actor_role: str, target_role: str) -> bool:
    hierarchy = {Role.SUPERADMIN: 4, Role.ADMIN: 3, Role.MANAGER: 2, Role.USER: 1, Role.DEVICE: 0}
    return hierarchy.get(actor_role, 0) > hierarchy.get(target_role, 0)