from .events import Events

class User:
    """Represents a single user in the system."""

    def __init__(self, public_key, networks=[]):
        self.id = public_key
        self.public_key = public_key
        self.networks = networks


class UserManager:
    """Handles user creation, storage, and retrieval."""

    def __init__(self, nosys_core):
        from .noSysCore import NoSysCore
        self.nosys_core: NoSysCore = nosys_core
        self.users: dict[str, User] = {}

    def add_user(self, user: User):
        if user.public_key not in self.users:
            self.users[user.public_key] = user
            self.nosys_core.fire_event(Events.USER_ADDED, user_id = user.id)

    def get_user(self, user_id: str):
        return self.users.get(user_id)