"""Router-level test for gitea#36 point 7: recipes.py translates
ai_service.AIResponseError to 502, not the config-error 400.

A dedicated file (not test_recipes.py) to avoid colliding with concurrent
work on the copy-on-write recipe logic in that shared test module.
"""
from httpx import AsyncClient
from sqlalchemy.ext.asyncio import AsyncSession

from src.backend.models.orm.user import User
from src.backend.services import ai_service
from src.backend.tests.conftest import auth_headers, create_test_recipe


async def test_ai_response_error_is_502(
    client: AsyncClient,
    maker_user: User,
    db_session: AsyncSession,
    monkeypatch,
):
    recipe = await create_test_recipe(db_session, maker_user.id, code="AI-PARSE-502")

    async def _raise_ai_response_error(_pdf_bytes):
        raise ai_service.AIResponseError("Risposta del modello AI non e' JSON valido: boom")

    monkeypatch.setattr(ai_service, "parse_technical_sheet", _raise_ai_response_error)

    resp = await client.post(
        f"/api/recipes/{recipe.id}/parse-technical-sheet",
        headers=auth_headers(maker_user),
        files={"file": ("sheet.pdf", b"%PDF-1.4 fake", "application/pdf")},
    )
    assert resp.status_code == 502