"""Тесты для dadata_client.clean_address (#2177 geo-pass).

httpx.Client замокан — реальная сеть/DaData не дёргается. settings-credentials
патчатся через monkeypatch (литерала ключа нигде нет).
"""

from __future__ import annotations

from typing import Any
from unittest.mock import MagicMock, patch

import httpx
import pytest

from app.services import dadata_client
from app.services.dadata_client import clean_address


@pytest.fixture(autouse=True)
def _creds(monkeypatch: pytest.MonkeyPatch) -> None:
    """Задаём фейковые credentials, чтобы clean_address не отваливался на guard."""
    monkeypatch.setattr(dadata_client.settings, "dadata_api_token", "test-token")
    monkeypatch.setattr(dadata_client.settings, "dadata_api_secret", "test-secret")


def _mock_client(response: MagicMock) -> MagicMock:
    """httpx.Client() context-manager, post() → response."""
    client = MagicMock()
    client.__enter__ = MagicMock(return_value=client)
    client.__exit__ = MagicMock(return_value=False)
    client.post.return_value = response
    return client


def _resp(status: int, json_body: Any) -> MagicMock:
    resp = MagicMock()
    resp.status_code = status
    resp.json.return_value = json_body
    resp.text = ""
    return resp


def test_clean_address_returns_coords() -> None:
    """Успешный ответ с geo_lat/geo_lon → (lat, lon) float-пара."""
    resp = _resp(200, [{"geo_lat": "56.8389", "geo_lon": "60.6057", "qc_geo": 0}])
    with patch("httpx.Client", return_value=_mock_client(resp)):
        result = clean_address("г Екатеринбург, ул Малышева, 125")
    assert result == (56.8389, 60.6057)


def test_clean_address_no_coords_returns_none() -> None:
    """Ответ без geo_lat/geo_lon (адрес не геокодирован) → None."""
    resp = _resp(200, [{"qc_geo": 5, "result": None}])
    with patch("httpx.Client", return_value=_mock_client(resp)):
        assert clean_address("нераспознаваемо") is None


def test_clean_address_empty_array_returns_none() -> None:
    """Пустой массив → None."""
    resp = _resp(200, [])
    with patch("httpx.Client", return_value=_mock_client(resp)):
        assert clean_address("г Екатеринбург, ул X, 1") is None


def test_clean_address_short_input_returns_none() -> None:
    """Короткий/пустой адрес → None без сетевого вызова."""
    assert clean_address("") is None
    assert clean_address("ab") is None


def test_clean_address_no_credentials_returns_none(monkeypatch: pytest.MonkeyPatch) -> None:
    """Нет credentials → graceful None (geo-pass reject'ит, не падает)."""
    monkeypatch.setattr(dadata_client.settings, "dadata_api_token", None)
    monkeypatch.setattr(dadata_client.settings, "dadata_api_secret", None)
    assert clean_address("г Екатеринбург, ул Малышева, 125") is None


def test_clean_address_429_returns_none() -> None:
    """HTTP 429 quota → None."""
    resp = _resp(429, {})
    with patch("httpx.Client", return_value=_mock_client(resp)):
        assert clean_address("г Екатеринбург, ул X, 1") is None


def test_clean_address_timeout_returns_none() -> None:
    """Сетевой timeout → None, не пробрасываем исключение."""
    client = MagicMock()
    client.__enter__ = MagicMock(return_value=client)
    client.__exit__ = MagicMock(return_value=False)
    client.post.side_effect = httpx.TimeoutException("timed out")
    with patch("httpx.Client", return_value=client):
        assert clean_address("г Екатеринбург, ул X, 1") is None