"""Shared pytest fixtures for the yunke-server test suite."""

import pytest

from app.config import get_settings


@pytest.fixture(autouse=True)
def reset_settings_cache():
    """Ensure each test starts with a fresh Settings cache.

    Tests that mutate env vars and call `get_settings()` must also clear the
    `lru_cache` themselves; this fixture is a safety net that runs after every
    test so a cached `Settings` from one test never leaks into the next.
    """
    yield
    get_settings.cache_clear()


@pytest.fixture(autouse=True)
def _disable_request_throttle(monkeypatch):
    """Zero out the conservative request-pace settings for the test suite.

    Production defaults (``request_min_interval=1.0``, ``request_jitter=0.8``)
    would make every mocked request sleep ~1-1.8s and balloon the suite's
    runtime. In tests we want the *behaviour* (header stealth, backoff, cap)
    without the wall-clock cost, so we pin the throttle env vars to 0. The
    defaults themselves are still asserted directly via ``Settings`` field
    introspection in ``test_config.py``. The cache is cleared on either side
    so the zeroed env is picked up the first time a test reads settings.
    """
    get_settings.cache_clear()
    monkeypatch.setenv("REQUEST_MIN_INTERVAL", "0")
    monkeypatch.setenv("REQUEST_JITTER", "0")
    yield
    get_settings.cache_clear()