"""Pytest fixtures for Vigilar tests."""

import os
import tempfile
from pathlib import Path

import pytest
from sqlalchemy import create_engine, event

from vigilar.config import VigilarConfig, load_config
from vigilar.storage.schema import metadata


def _create_test_engine(db_path: Path):
    """Create a fresh engine for testing (bypasses the global singleton)."""
    db_path.parent.mkdir(parents=True, exist_ok=True)
    engine = create_engine(f"sqlite:///{db_path}", echo=False)
    metadata.create_all(engine)
    return engine


@pytest.fixture
def tmp_data_dir(tmp_path):
    """Temporary data directory for tests."""
    data_dir = tmp_path / "data"
    data_dir.mkdir()
    return data_dir


@pytest.fixture
def test_db(tmp_path):
    """Create an isolated test database (no shared state between tests)."""
    db_path = tmp_path / "data" / "test.db"
    return _create_test_engine(db_path)


@pytest.fixture
def sample_config():
    """Return a minimal VigilarConfig for testing."""
    return VigilarConfig(
        cameras=[],
        sensors=[],
        rules=[],
    )