from typing import Sequence

from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession

from sqlalchemy.orm import joinedload, selectinload

from models import Isp
from schemas.isp import IspCreate, IspRead


async def get_all_isp(
    session: AsyncSession,
) -> Sequence[Isp]:
    stmt = select(Isp).options(selectinload(Isp.isp_connections)).order_by(Isp.id)
    result = await session.scalars(stmt)

    return result.all()


async def create_isp(session: AsyncSession, isp_scheme: IspCreate) -> Isp:
    isp = Isp(**isp_scheme.model_dump())
    session.add(isp)
    await session.commit()
    return isp