from app import db
from typing import List
from .model import Fizzbar
from .interface import FizzbarInterface


class FizzbarService():
    @staticmethod
    def get_all() -> List[Fizzbar]:
        return Fizzbar.query.all()

    @staticmethod
    def get_by_id(fizzbar_id: int) -> Fizzbar:
        return Fizzbar.query.get(fizzbar_id)

    @staticmethod
    def update(fizzbar: Fizzbar, Fizzbar_change_updates: FizzbarInterface) -> Fizzbar:
        fizzbar.update(Fizzbar_change_updates)
        db.session.commit()
        return fizzbar

    @staticmethod
    def delete_by_id(fizzbar_id: int) -> List[int]:
        fizzbar = Fizzbar.query.filter(Fizzbar.fizzbar_id == fizzbar_id).first()
        if not fizzbar:
            return []
        db.session.delete(fizzbar)
        db.session.commit()
        return [fizzbar_id]

    @staticmethod
    def create(new_attrs: FizzbarInterface) -> Fizzbar:
        new_fizzbar = Fizzbar(
            name=new_attrs['name'],
            purpose=new_attrs['purpose']
        )

        db.session.add(new_fizzbar)
        db.session.commit()

        return new_fizzbar