from typing import Any, List

from fastapi.params import Depends
from fastapi.routing import APIRouter
from sqlalchemy import func, select
from sqlalchemy.ext.asyncio.session import AsyncSession
from starlette.responses import Response

from app.deps.db import get_async_session
from app.deps.users import current_superuser
from app.models.user import User
from app.schemas.user import UserRead

router = APIRouter()


@router.get("/users", response_model=List[UserRead])
async def get_users(
    response: Response,
    session: AsyncSession = Depends(get_async_session),
    user: User = Depends(current_superuser),
    skip: int = 0,
    limit: int = 100,
) -> Any:
    total = await session.scalar(select(func.count(User.id)))
    users = (
        (await session.execute(select(User).offset(skip).limit(limit))).scalars().all()
    )
    response.headers["Content-Range"] = f"{skip}-{skip + len(users)}/{total}"
    return users