from typing import Union, List

from backend.session import session_factory
from schemas.general import StockUpdate
from updaters.stocks_updater import StocksUpdater


async def process_update(product_ids: list[int]):
    async with session_factory() as session:
        updates = [StockUpdate(product_id=product_id) for product_id in product_ids]
        updater = StocksUpdater(session)
        await updater.update(updates)
    return {'message': f'Stocks for products [{",".join(map(str, product_ids))}] successfully updated'}


async def update_marketplace(marketplace_id: int):
    async with session_factory() as session:
        updater = StocksUpdater(session)
        await updater.full_update_marketplace(marketplace_id)
    return {'message': f'Stocks for marketplace {marketplace_id} successfully updated'}


async def update_marketplaces(marketplace_ids: Union[List[int], None]):
    async with session_factory() as session:
        updater = StocksUpdater(session)
        await updater.full_update_all_marketplaces(marketplace_ids)
    return {'message': f'Stocks for marketplaces [{",".join(map(str, marketplace_ids))}] successfully updated'}