from fastapi import FastAPI, Depends
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.future import select
from typing import List

from models import User
from db import get_async_db, create_async_db

app = FastAPI()

@app.on_event("startup")
async def on_startup():
    await create_async_db()

@app.get("/users/", response_model=List[User])
async def read_users(skip: int = 0, limit: int = 10, db: AsyncSession = Depends(get_async_db)):
    async with db as session:
        result = await session.execute(select(User).offset(skip).limit(limit))
        users = result.scalars().all()
        return users