"""Тесты premises_lookup (#96 MVP on-demand per-building помещения/паркинг).

Сетевые вызовы НЕ делаем — мокаем sync NSPDClient.search_by_cad (резолв objdoc)
и async NSPDBulkClient.list_objects_in_building (tab-group counts). Проверяем
happy path + graceful-фоллбэки (здание не найдено / нет objdoc / WAF).
"""

from __future__ import annotations

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

from app.schemas.nspd_bulk import ObjectsListing
from app.services.scrapers.nspd_client import NspdLiteWafError

MODULE = "app.services.site_finder.premises_lookup"


def _run_returns(listing: ObjectsListing | None) -> Any:
    """side_effect для мока asyncio.run: закрывает переданную корутину и отдаёт listing.

    Без close() реальная корутина _fetch_listing(...) остаётся never-awaited
    (RuntimeWarning), т.к. мок asyncio.run её не исполняет. Закрываем явно.
    """

    def _side_effect(coro: Any) -> ObjectsListing | None:
        coro.close()
        return listing

    return _side_effect


def _search_result(options: dict[str, Any] | None, feature_id: str | None = "999") -> MagicMock:
    """Замокать NSPDSearchResult.first → NSPDFeature-подобный объект."""
    result = MagicMock()
    if options is None and feature_id is None:
        result.first = None
        return result
    feature = MagicMock()
    feature.properties = {"options": options or {}}
    feature.feature_id = feature_id
    result.first = feature
    return result


def test_get_building_premises_happy_path() -> None:
    """search → objdocId → list_objects → ObjectsListing с parking_ratio."""
    from app.services.site_finder.premises_lookup import get_building_premises

    listing = ObjectsListing(objdoc_id=40995027, flats_count=200, parking_count=100)

    with (
        patch(f"{MODULE}.NSPDClient") as mock_client_cls,
        patch(f"{MODULE}.asyncio.run", side_effect=_run_returns(listing)) as mock_run,
    ):
        mock_client_cls.return_value.search_by_cad.return_value = _search_result(
            {"objdocId": 40995027}
        )
        out = get_building_premises("66:41:0106036:183")

    assert out is listing
    assert out.parking_ratio == 0.5
    mock_run.assert_called_once()


def test_get_building_premises_snake_case_objdoc() -> None:
    """objdoc_id в snake_case тоже резолвится (bulk-shape)."""
    from app.services.site_finder.premises_lookup import get_building_premises

    listing = ObjectsListing(objdoc_id=777, flats_count=10, parking_count=2)

    with (
        patch(f"{MODULE}.NSPDClient") as mock_client_cls,
        patch(f"{MODULE}.asyncio.run", side_effect=_run_returns(listing)),
    ):
        mock_client_cls.return_value.search_by_cad.return_value = _search_result(
            {"objdoc_id": 777}
        )
        out = get_building_premises("66:41:0106036:183")

    assert out is listing


def test_get_building_premises_fallback_to_feature_id() -> None:
    """Нет objdocId в options → fallback на feature.id (verified live: id=objdoc)."""
    from app.services.site_finder.premises_lookup import get_building_premises

    listing = ObjectsListing(objdoc_id=12345, flats_count=5, parking_count=0)

    with (
        patch(f"{MODULE}.NSPDClient") as mock_client_cls,
        patch(f"{MODULE}.asyncio.run", side_effect=_run_returns(listing)) as mock_run,
    ):
        mock_client_cls.return_value.search_by_cad.return_value = _search_result(
            {}, feature_id="12345"
        )
        out = get_building_premises("66:41:0106036:183")

    assert out is listing
    # objdoc_id=12345 должен был уйти в _fetch_listing
    mock_run.assert_called_once()


def test_get_building_premises_not_found_returns_none() -> None:
    """Здание не найдено в НСПД (result.first=None) → None, async не дёргается."""
    from app.services.site_finder.premises_lookup import get_building_premises

    with (
        patch(f"{MODULE}.NSPDClient") as mock_client_cls,
        patch(f"{MODULE}.asyncio.run") as mock_run,
    ):
        mock_client_cls.return_value.search_by_cad.return_value = _search_result(
            None, feature_id=None
        )
        out = get_building_premises("66:41:0106036:183")

    assert out is None
    mock_run.assert_not_called()


def test_get_building_premises_no_objdoc_returns_none() -> None:
    """Нет ни objdocId, ни feature.id → None (нельзя дёрнуть tab-group)."""
    from app.services.site_finder.premises_lookup import get_building_premises

    with (
        patch(f"{MODULE}.NSPDClient") as mock_client_cls,
        patch(f"{MODULE}.asyncio.run") as mock_run,
    ):
        mock_client_cls.return_value.search_by_cad.return_value = _search_result(
            {}, feature_id=None
        )
        out = get_building_premises("66:41:0106036:183")

    assert out is None
    mock_run.assert_not_called()


def test_get_building_premises_waf_returns_none() -> None:
    """WAF/сеть на search_by_cad → None (graceful, analyze не падает)."""
    from app.services.site_finder.premises_lookup import get_building_premises

    with (
        patch(f"{MODULE}.NSPDClient") as mock_client_cls,
        patch(f"{MODULE}.asyncio.run") as mock_run,
    ):
        mock_client_cls.return_value.search_by_cad.side_effect = NspdLiteWafError("HTTP 403 WAF")
        out = get_building_premises("66:41:0106036:183")

    assert out is None
    mock_run.assert_not_called()