from fastapi import HTTPException, Depends
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
from services.jwtService import verify_jwt_token
from services.userServices import UserServices
from fastapi import Request

security = HTTPBearer()

async def auth_required(request: Request ,credentials: HTTPAuthorizationCredentials = Depends(security)):
    """
    Dependency function to verify JWT token for protected routes
    """
    if credentials.scheme != "Bearer":
        raise HTTPException(status_code=401, detail="Invalid authentication scheme")
    
    payload = verify_jwt_token(credentials.credentials)
    if payload is None:
        raise HTTPException(status_code=401, detail="Invalid authentication token")

    # Get user from database
    user = await UserServices().get_user(payload["id"]) 

    # set user to request state
    request.state.user = user
    request.state.payload = payload

    return True