"""
Tests pour vérifier le versionnement de l'API (Middleware & router prefix).
"""
import pytest
from httpx import AsyncClient, ASGITransport

from app.main import app as main_app

@pytest.mark.asyncio
async def test_api_v1_headers():
    """
    Vérifie que les requêtes sous /api/v1/ renvoient bien l'entête X-API-Version.
    """
    async with AsyncClient(
        transport=ASGITransport(app=main_app), base_url="http://testserver"
    ) as client:
        # On teste une route qui retourne typiquement un 401 ou 422
        # mais on vérifie juste la présence de l'entête
        response = await client.get("/api/v1/images/")
        assert "x-api-version" in response.headers
        assert response.headers["x-api-version"] == "v1"

@pytest.mark.asyncio
async def test_non_versioned_routes_no_header():
    """
    Vérifie que les requêtes hors /api/v1/ (ex: /health) n'ont pas l'entête.
    """
    async with AsyncClient(
        transport=ASGITransport(app=main_app), base_url="http://testserver"
    ) as client:
        response = await client.get("/health")
        assert response.status_code == 200
        assert "x-api-version" not in response.headers

@pytest.mark.asyncio
async def test_sunset_header_if_configured(monkeypatch):
    """
    Vérifie que l'entête Sunset est ajouté si la config est présente.
    """
    import app.middleware.versioning
    
    # Mock settings in the versioning module
    class MockSettings:
        API_V1_SUNSET_DATE = "2025-12-31"
        
    monkeypatch.setattr(app.middleware.versioning, "settings", MockSettings())

    async with AsyncClient(
        transport=ASGITransport(app=main_app), base_url="http://testserver"
    ) as client:
        response = await client.get("/api/v1/images/")
        assert "sunset" in response.headers
        assert response.headers["sunset"] == "2025-12-31"

@pytest.mark.asyncio
async def test_deprecated_root_paths_return_404():
    """
    Vérifie que l'ancienne route /images renvoie bien un 404.
    """
    async with AsyncClient(
        transport=ASGITransport(app=main_app), base_url="http://testserver"
    ) as client:
        response = await client.get("/images/")
        assert response.status_code == 404