from typing import Annotated
from fastapi import Depends, FastAPI, HTTPException, status
from fastapi.security import OAuth2PasswordBearer
from models.user import User
from repositories.listing_repository import ListingRepository
from repositories.listing_repository import ListingRepository
from database import engine
from repositories.user_repository import UserRepository


app = FastAPI()
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")


async def decode_token(token: Annotated[str, Depends(oauth2_scheme)]):
    repository = UserRepository(engine)
    user = await repository.get_user_from_token(token)
    if not user:
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail="Invalid authentication credentials",
            headers={"WWW-Authenticate": "Bearer"},
        )
    return user


@app.get("/listing")
async def get_listing(user: Annotated[User | None, Depends(decode_token)]):
    repository = ListingRepository(engine)
    listings = await repository.get_listings()
    return {"listings": listings}