"""Pytest configuration and fixtures."""

import pytest
import asyncio
from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
from fastapi.testclient import TestClient

from hubgw.main import create_app
from hubgw.context import AppContext
from hubgw.core.config import AppSettings


@pytest.fixture(scope="session")
def event_loop():
    """Create event loop for async tests."""
    loop = asyncio.get_event_loop_policy().new_event_loop()
    yield loop
    loop.close()


@pytest.fixture
async def test_db():
    """Create test database engine."""
    settings = AppSettings()
    settings.DB_DSN = "postgresql+asyncpg://test:test@localhost:5432/hubgw_test"
    
    engine = create_async_engine(settings.DB_DSN)
    session_factory = async_sessionmaker(engine, expire_on_commit=False)
    
    yield engine, session_factory
    
    await engine.dispose()


@pytest.fixture
async def test_session(test_db):
    """Create test database session."""
    engine, session_factory = test_db
    
    async with session_factory() as session:
        yield session


@pytest.fixture
def test_client():
    """Create test client."""
    app = create_app()
    return TestClient(app)


@pytest.fixture
def test_context():
    """Create test context."""
    return AppContext()