from __future__ import annotations

import os
import pytest

from core.config.settings import get_settings


@pytest.fixture(autouse=True)
def _reset_settings_cache():
    """Reset the lru_cache on get_settings() before each test.

    This ensures that each test gets a fresh Settings instance
    based on the environment variables active at that point.
    """
    get_settings.cache_clear()
    yield
    get_settings.cache_clear()


@pytest.fixture
def env_bot_token():
    """Provide a valid test bot token in the environment."""
    os.environ["BOT_TOKEN"] = "123456789:AAHdqTcvCH1vGWJxfSeofSAsQK6PALsAWo"
    yield
    os.environ.pop("BOT_TOKEN", None)


@pytest.fixture
def env_admin_id():
    """Provide a valid test admin ID in the environment."""
    os.environ["ADMIN_ID"] = "123456789"
    yield
    os.environ.pop("ADMIN_ID", None)


@pytest.fixture
def env_openai_key():
    """Provide a dummy OpenAI API key in the environment."""
    os.environ["OPENAI_API_KEY"] = "sk-test-key-for-unit-tests"
    yield
    os.environ.pop("OPENAI_API_KEY", None)


@pytest.fixture
def env_full(env_bot_token, env_admin_id, env_openai_key):
    """Set all required environment variables for tests."""
    pass