"""Выбор реализации CRM-клиента по `CRM_USE_STUB`."""

from __future__ import annotations

from collections.abc import Iterator

import pytest

from app.core.config import settings
from app.services.crm.client import get_crm_client
from app.services.crm.exo_client import ExoCrmClient
from app.services.crm.stub_client import StubCrmClient


@pytest.fixture(autouse=True)
def _fresh_factory() -> Iterator[None]:
    get_crm_client.cache_clear()
    yield
    get_crm_client.cache_clear()


def test_real_client_by_default(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setattr(settings, "crm_use_stub", False)
    assert isinstance(get_crm_client(), ExoCrmClient)


def test_stub_when_enabled(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setattr(settings, "crm_use_stub", True)
    monkeypatch.setattr(settings, "environment", "local")
    assert isinstance(get_crm_client(), StubCrmClient)


def test_stub_forbidden_in_production(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setattr(settings, "crm_use_stub", True)
    monkeypatch.setattr(settings, "environment", "production")
    with pytest.raises(RuntimeError, match="CRM_USE_STUB"):
        get_crm_client()