"""
Configuration pytest pour les tests du backend v2.
"""

import pytest
from httpx import AsyncClient, ASGITransport
from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker

from api.main import app
from infrastructure.database.session import get_async_session
from infrastructure.database.models import Base


# Base de données de test (en mémoire)
TEST_DATABASE_URL = "sqlite+aiosqlite:///:memory:"

test_engine = create_async_engine(
    TEST_DATABASE_URL,
    echo=False,
)

TestSessionLocal = async_sessionmaker(
    bind=test_engine,
    class_=AsyncSession,
    expire_on_commit=False,
)


async def override_get_async_session():
    """Override de la session pour les tests."""
    async with TestSessionLocal() as session:
        yield session


@pytest.fixture
async def test_db():
    """Fixture pour créer les tables de test."""
    async with test_engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    yield
    async with test_engine.begin() as conn:
        await conn.run_sync(Base.metadata.drop_all)


@pytest.fixture
async def client(test_db):
    """Fixture pour le client HTTP de test."""
    app.dependency_overrides[get_async_session] = override_get_async_session
    
    async with AsyncClient(
        transport=ASGITransport(app=app),
        base_url="http://test"
    ) as ac:
        yield ac
    
    app.dependency_overrides.clear()


@pytest.fixture
async def db_session(test_db):
    """Fixture pour une session de base de données de test."""
    async with TestSessionLocal() as session:
        yield session