"""Pytest fixtures for the PMP reference node test suite."""

from __future__ import annotations

from pathlib import Path

import pytest

SAMPLES_DIR = Path(__file__).resolve().parent.parent / "samples"


@pytest.fixture(scope="session")
def samples_dir() -> Path:
    """Path to the synthetic 'Avery Quinn' sample datasets shipped in-repo."""
    assert SAMPLES_DIR.is_dir(), "samples/ directory must ship with the repository"
    return SAMPLES_DIR


@pytest.fixture()
def node_dir(tmp_path: Path) -> Path:
    """A fresh, not-yet-initialised node directory."""
    return tmp_path / "node"


@pytest.fixture()
def node(node_dir: Path):
    """A freshly initialised reference node (keys, genesis op, empty log)."""
    from pmp.node import Node

    return Node.init(node_dir, name="Avery Quinn")