"""pytest 全局 fixture：把 ``scripts/`` 注入 sys.path 并隔离数据目录。"""
from __future__ import annotations

import os
import sys
import tempfile

import pytest

_SCRIPTS_DIR = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "scripts")
if _SCRIPTS_DIR not in sys.path:
    sys.path.insert(0, _SCRIPTS_DIR)


@pytest.fixture
def isolated_env(tmp_path, monkeypatch):
    """隔离的数据根目录，避免污染本机真实数据。"""
    data_root = tmp_path / "data_root"
    data_root.mkdir()
    monkeypatch.setenv("JIANGCHANG_DATA_ROOT", str(data_root))
    monkeypatch.setenv("JIANGCHANG_USER_ID", "test_user")
    # 重置 config mock 的缓存，让下一次 get 重新读 env
    from jiangchang_skill_core import config
    config.reset_cache()
    return data_root