"""
Shared test fixtures and configuration.
"""

from __future__ import annotations

import pytest  # type: ignore[import-not-found]
from fastapi.testclient import TestClient
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine

from cpv3.db.base import Base
from cpv3.main import app


# Use in-memory SQLite for tests (or configure a test database)
TEST_DATABASE_URL = "sqlite+aiosqlite:///:memory:"


@pytest.fixture
def test_client():
    """Create a test client for the FastAPI app."""
    with TestClient(app) as client:
        yield client


@pytest.fixture
async def test_db_session():
    """Create a test database session."""
    engine = create_async_engine(TEST_DATABASE_URL, echo=False)

    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)

    async_session = async_sessionmaker(
        bind=engine, class_=AsyncSession, expire_on_commit=False
    )

    async with async_session() as session:
        yield session

    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.drop_all)

    await engine.dispose()