"""Pytest config: temp-dir isolation for state modules.

Each test gets a fresh dir for memory.json / schedule.json / etc so concurrent
runs don't pollute the real user data.
"""

import os
import sys
import importlib
import pytest

# Make parent package importable.
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))


@pytest.fixture
def isolated_state(tmp_path, monkeypatch):
    """Patch state modules to use a tmp_path so we don't touch real state files."""

    def patch_module(mod_name, path_attrs):
        """Reimport a module and rewire its `_PATH` and friends to tmp_path."""
        if mod_name in sys.modules:
            del sys.modules[mod_name]
        mod = importlib.import_module(mod_name)
        for attr in path_attrs:
            if not hasattr(mod, attr):
                continue
            original = getattr(mod, attr)
            new_val = os.path.join(str(tmp_path), os.path.basename(original))
            monkeypatch.setattr(mod, attr, new_val)
        # Also reset any cached _loaded / _initialized flags
        for flag in ('_loaded', '_initialized', '_thread_started'):
            if hasattr(mod, flag):
                monkeypatch.setattr(mod, flag, False)
        # Reset stores
        for store_attr in ('_store', '_tasks'):
            if hasattr(mod, store_attr):
                cur = getattr(mod, store_attr)
                if isinstance(cur, dict):
                    monkeypatch.setattr(mod, store_attr, {})
                elif isinstance(cur, list):
                    monkeypatch.setattr(mod, store_attr, [])
        return mod

    yield patch_module