"""JSON error responses shared by /upload and the site API."""
import httpx
from fastapi.responses import JSONResponse


def error(status: int, message: str) -> JSONResponse:
    return JSONResponse({"error": message}, status_code=status)


def zipline_message(r: httpx.Response) -> str:
    try:
        body = r.json()
        return str(body.get("error") or body.get("message") or body)
    except ValueError:
        return r.text[:200] or f"Zipline returned {r.status_code}"