"""Shared fixtures for unit + integration tests."""
from __future__ import annotations

from collections.abc import Iterator

import pytest
from fastapi.testclient import TestClient
from sqlalchemy.orm import Session

from app.db import SessionLocal, db_available
from app.main import app as fastapi_app


@pytest.fixture()
def client() -> TestClient:
    return TestClient(fastapi_app)


@pytest.fixture()
def db() -> Iterator[Session]:
    """Real Postgres session (``podman compose up -d db``).

    Skips with clear instructions when the database is not running, so the
    suite degrades gracefully on a machine without the stack started.
    """
    if not db_available():
        pytest.skip("Postgres not reachable — run `podman compose up -d db` first")
    session = SessionLocal()
    try:
        yield session
    finally:
        session.close()