from custom_decorators import singleton
from models import User
from repositories.user import UserRepository


@singleton
class UserService:
    def __init__(self, config):
        self.config = config
        self.user_repo = UserRepository(config)

    def get_addresses(self, name=None, phone=None, email=None):
        if phone or email:
            users = self.user_repo.get_or_create(User(name=name, phone=phone, email=email))
            addresses = set(user.address for user in users if user.address)
            return list(addresses)
        raise ValueError('A phone number, email, or address is required.')