from app import create_app
from app.config import Config
from pathlib import Path


class TestConfig(Config):
    TESTING = True
    MODELS_DIR = Path("tests/fixtures/empty-models")
    DATA_DIR = Path("tests/fixtures/empty-data")


def test_route_contract_and_error_format(monkeypatch):
    monkeypatch.setattr("app.ModelRegistry.scan", lambda self: None)
    app = create_app(TestConfig)
    client = app.test_client()

    assert client.get("/api/v1/health").status_code == 200
    response = client.get("/api/v1/predict?commodity=unknown&market=pasar_tanjung")
    assert response.status_code == 404
    assert response.json["error"]["code"] == "UNKNOWN_COMMODITY"

    response = client.get("/api/v1/predict?commodity=rawit&market=pasar_tanjung&horizon=2")
    assert response.status_code == 400
    assert response.json["error"]["code"] == "INVALID_HORIZON"