import pytest
import os
from fastapi.testclient import TestClient

# We need to set the environment variable before importing the app
os.environ["JWT_AAREDAQ_KEY"] = "test_key_for_integration_testing"

from aare.daq.server import app

@pytest.fixture
def client():
    # We use a TestClient to interact with the FastAPI app
    # Note: Many endpoints require authentication and a running backend (daq, bl, etc.)
    # For a simple integration test, we can check public endpoints.
    return TestClient(app)

@pytest.mark.integration
def test_read_error_codes(client):
    response = client.get("/meta/error-codes")
    assert response.status_code == 200
    data = response.json()
    assert "AuthErrorCode" in data
    assert "AareErrorCode" in data

@pytest.mark.integration
def test_login_unauthorized(client):
    # Testing login with invalid credentials. 
    # The current implementation raises KeyError if user not found.
    with pytest.raises(Exception):
        client.post("/token", data={"username": "non_existent_user_123", "password": "bad"})