import tempfile
import pytest

# Load test fixtures from the utils package so pytest can discover them.
pytest_plugins = ["tests.utils.migration_fixtures"]


@pytest.fixture
def tmp_duckdb_path(tmp_path):
    p = tmp_path / "test.db"
    return str(p)


@pytest.fixture
def tmp_duckdb_conn(tmp_duckdb_path):
    # Import duckdb lazily so running pytest doesn't fail on machines
    # where duckdb is not installed (CI / contributor machines that don't
    # need the duckdb-based fixtures). If duckdb is missing, skip this
    # fixture at runtime when it's requested.
    try:
        import duckdb
    except Exception:
        pytest.skip("duckdb not installed, skipping duckdb fixtures")

    conn = duckdb.connect(database=tmp_duckdb_path)
    yield conn
    try:
        conn.close()
    except Exception:
        pass


@pytest.fixture
def monkeypatch_ai_provider(monkeypatch):
    """Patch ai_provider.get_embedding to return deterministic 16-dim vector."""
    import ai_provider

    fake = [0.01] * 16
    monkeypatch.setattr(ai_provider, "get_embedding", lambda text, model=None: fake)
    return fake


@pytest.fixture
def mock_odata_client(monkeypatch):
    """
    Patch requests.Session.get for OData calls.
    Returns a configurable mock — set mock_odata_client.response to override.
    """
    import requests
    from unittest.mock import MagicMock

    mock_response = MagicMock()
    mock_response.raise_for_status.return_value = None
    mock_response.json.return_value = {"value": []}

    class MockSession:
        response = mock_response

        def get(self, *args, **kwargs):
            return self.response

    monkeypatch.setattr(requests, "Session", MockSession)
    return mock_response