"""Contrat JSON de `POST /v1/process` — voir `schemas.py`/`routes/process.py`."""

import pytest
from fastapi.testclient import TestClient

from intent_service.config import settings
from intent_service.main import app

_HEADERS = {"X-Intent-Service-Secret": settings.intent_service_secret}


@pytest.fixture
def client():
    with TestClient(app) as test_client:
        yield test_client


def test_process_against_an_untrained_locale_returns_empty_result(client: TestClient):
    response = client.post(
        "/v1/process", headers=_HEADERS, json={"locale": "fr", "text": "faire mijoter à feu doux"}
    )
    assert response.status_code == 200
    assert response.json() == {"entities": [], "intent": None, "score": 0.0}


def test_process_after_train_returns_entities_and_intent(client: TestClient):
    client.post(
        "/v1/train",
        headers=_HEADERS,
        json={
            "locale": "fr",
            "entries": [
                # `textcat` (exclusive_classes) exige >= 2 labels (voir
                # LocalePipeline.train) — un second label est nécessaire
                # même si ce test ne vérifie que celui de "simmer".
                {
                    "uid": "simmer",
                    "synonyms": ["mijoter"],
                    "utterances": ["faire mijoter à feu doux", "laisser mijoter à couvert"],
                },
                {
                    "uid": "boil",
                    "synonyms": ["bouillir"],
                    "utterances": ["faire bouillir l'eau", "porter à ébullition"],
                },
            ],
        },
    )

    response = client.post(
        "/v1/process", headers=_HEADERS, json={"locale": "fr", "text": "Faire mijoter à feu doux"}
    )
    assert response.status_code == 200
    body = response.json()
    assert body["intent"] == "simmer"
    assert body["score"] > 0
    assert [entity["uid"] for entity in body["entities"]] == ["simmer"]


def test_process_with_blank_text_returns_empty_result(client: TestClient):
    client.post(
        "/v1/train",
        headers=_HEADERS,
        json={
            "locale": "en",
            "entries": [{"uid": "boil", "synonyms": ["boil"], "utterances": ["bring to the boil"]}],
        },
    )
    response = client.post("/v1/process", headers=_HEADERS, json={"locale": "en", "text": "   "})
    assert response.status_code == 200
    assert response.json() == {"entities": [], "intent": None, "score": 0.0}