from uuid import uuid4
from typing import Iterator

from repositories import UserRepository
from models import User


# Make methods based on UserRepository/ build on top of UserRepository
class UserService:

    def __init__(self, user_repository: UserRepository) -> None:
        self._repository: UserRepository = user_repository

    def get_users(self) -> Iterator[User]:
        return self._repository.get_all()

    def get_user_by_id(self, user_id: int) -> User:
        return self._repository.get_by_id(user_id)

    def create_user(self) -> User:
        uid = uuid4()
        return self._repository.add(email=f'{uid}@email.com', password='pwd')

    def delete_user_by_id(self, user_id: int) -> None:
        return self._repository.delete_by_id(user_id)
