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

from app.models.manufacturer import Manufacturer


async def get(db: AsyncSession, manufacturer_id: int) -> Manufacturer | None:
    return await db.get(Manufacturer, manufacturer_id)


async def list_all(
    db: AsyncSession, skip: int = 0, limit: int = 100
) -> list[Manufacturer]:
    result = await db.execute(
        select(Manufacturer).order_by(Manufacturer.name).offset(skip).limit(limit)
    )
    return list(result.scalars().all())


async def create(
    db: AsyncSession,
    *,
    name: str,
    url: str,
    logo_url: str | None = None,
) -> Manufacturer:
    m = Manufacturer(name=name, url=url, logo_url=logo_url)
    db.add(m)
    await db.commit()
    await db.refresh(m)
    return m


async def update(
    db: AsyncSession, manufacturer: Manufacturer, data: dict
) -> Manufacturer:
    for field, value in data.items():
        setattr(manufacturer, field, value)
    await db.commit()
    await db.refresh(manufacturer)
    return manufacturer


async def delete(db: AsyncSession, manufacturer: Manufacturer) -> None:
    await db.delete(manufacturer)
    await db.commit()