"""Offline tests для DomClick cookie-injection admin-эндпоинтов (#2000 MVP).

Покрытие 2 эндпоинтов (db/BrowserFetcher.fetch мокаются, NO live network/DB), зеркалит
паттерн test_scraper_admin_apis.py (dependency_overrides[get_db] + TestClient):
  - POST /api/v1/admin/scrape/domclick/upload-cookies
  - POST /api/v1/admin/scrape/domclick/debug/detail-fetch
"""

from __future__ import annotations

import os

os.environ.setdefault("DATABASE_URL", "postgresql+psycopg://test:test@localhost:5432/test")

from unittest.mock import AsyncMock, MagicMock, patch

import pytest
from fastapi import FastAPI
from fastapi.testclient import TestClient
from scraper_kit.providers.domclick.detail import DomClickDetailEnrichment


@pytest.fixture
def client() -> TestClient:
    from app.api.v1 import admin as admin_module
    from app.core.db import get_db

    app = FastAPI()
    app.include_router(admin_module.router, prefix="/api/v1/admin")

    def fake_db():
        yield MagicMock()

    app.dependency_overrides[get_db] = fake_db
    return TestClient(app)


_UPLOAD_URL = "/api/v1/admin/scrape/domclick/upload-cookies"
_DEBUG_URL = "/api/v1/admin/scrape/domclick/debug/detail-fetch"


# ── POST /scrape/domclick/upload-cookies ──────────────────────────────────────


def test_upload_cookies_503_when_no_encryption_key(client: TestClient) -> None:
    with patch("app.api.v1.admin.settings.cookie_encryption_key", ""):
        resp = client.post(_UPLOAD_URL, json={"CAS_ID": "12345"})
    assert resp.status_code == 503


def test_upload_cookies_400_when_no_recognized_cookies(client: TestClient) -> None:
    with patch("app.api.v1.admin.settings.cookie_encryption_key", "test-key"):
        resp = client.post(_UPLOAD_URL, json={"unrelated_cookie": "x"})
    assert resp.status_code == 400
    assert "No recognized DomClick cookies" in resp.json()["detail"]


def test_upload_cookies_400_when_cas_id_missing(client: TestClient) -> None:
    with patch("app.api.v1.admin.settings.cookie_encryption_key", "test-key"):
        resp = client.post(_UPLOAD_URL, json={"qrator_jsid2": "abc"})
    assert resp.status_code == 400
    assert "CAS_ID" in resp.json()["detail"]


def test_upload_cookies_400_when_cas_id_non_numeric(client: TestClient) -> None:
    with patch("app.api.v1.admin.settings.cookie_encryption_key", "test-key"):
        resp = client.post(_UPLOAD_URL, json={"CAS_ID": "not-a-number", "qrator_jsid2": "abc"})
    assert resp.status_code == 400
    assert "not numeric" in resp.json()["detail"]


def test_upload_cookies_success_filters_and_calls_save_session(client: TestClient) -> None:
    with (
        patch("app.api.v1.admin.settings.cookie_encryption_key", "test-key"),
        patch("app.api.v1.admin.domclick_session_svc.save_session") as mock_save,
    ):
        resp = client.post(
            _UPLOAD_URL,
            json={"CAS_ID": "12345", "qrator_jsid2": "abc", "unrelated_field": "y"},
        )
    assert resp.status_code == 200
    assert resp.json() == {"ok": True, "accountCasId": 12345, "cookieCount": 2}

    mock_save.assert_called_once()
    _, kwargs = mock_save.call_args
    assert kwargs["account_cas_id"] == 12345
    assert kwargs["cookies"] == {"CAS_ID": "12345", "qrator_jsid2": "abc"}
    assert "unrelated_field" not in kwargs["cookies"]


# ── POST /scrape/domclick/debug/detail-fetch ──────────────────────────────────

_CARD_URL = "https://ekaterinburg.domclick.ru/card/sale__flat__2075729321"


def test_debug_detail_fetch_400_when_host_not_allowed(client: TestClient) -> None:
    """SSRF guard: хост не *.domclick.ru → 400, никакого fetch не происходит."""
    resp = client.post(_DEBUG_URL, json={"card_url": "https://evil.example.com/x"})
    assert resp.status_code == 400


def test_debug_detail_fetch_success_without_session_cookies(client: TestClient) -> None:
    """load_session()→None (нет сохранённой сессии) → fetch без инъекции, cookies_injected=False."""
    enrichment = DomClickDetailEnrichment(
        item_id="2075729321",
        source_url=_CARD_URL,
        repair_state="good",
        living_area_m2=45.5,
        year_built=2015,
        price_changes=[{"change_time": "x", "price_rub": 5_000_000}],
        raw_extra={"wall_type": "brick"},
    )
    with (
        patch("app.api.v1.admin.domclick_session_svc.load_session", return_value=None),
        patch(
            "scraper_kit.providers.domclick.detail.fetch_detail",
            new=AsyncMock(return_value=enrichment),
        ) as mock_fetch,
    ):
        resp = client.post(_DEBUG_URL, json={"card_url": _CARD_URL})

    assert resp.status_code == 200
    body = resp.json()
    assert body["ok"] is True
    assert body["cookies_injected"] is False
    assert body["item_id"] == "2075729321"
    assert body["repair_state"] == "good"
    assert body["price_changes_count"] == 1
    assert body["raw_extra"] == {"wall_type": "brick"}

    mock_fetch.assert_called_once()
    _, kwargs = mock_fetch.call_args
    assert kwargs["cookies"] is None


def test_debug_detail_fetch_success_with_session_cookies(client: TestClient) -> None:
    """load_session() возвращает сессию → cookies_injected=True, cookies проброшены в fetch_detail.

    Не завязан на конкретные HTML/enrichment-детали — cookies-проброс проверяется
    напрямую через call_args мока fetch_detail.
    """
    session_cookies = {"CAS_ID": "12345", "qrator_jsid2": "abc"}
    enrichment = DomClickDetailEnrichment(item_id="2075729321", source_url=_CARD_URL)
    with (
        patch(
            "app.api.v1.admin.domclick_session_svc.load_session",
            return_value=session_cookies,
        ),
        patch(
            "scraper_kit.providers.domclick.detail.fetch_detail",
            new=AsyncMock(return_value=enrichment),
        ) as mock_fetch,
    ):
        resp = client.post(_DEBUG_URL, json={"card_url": _CARD_URL})

    assert resp.status_code == 200
    assert resp.json()["cookies_injected"] is True

    mock_fetch.assert_called_once()
    _, kwargs = mock_fetch.call_args
    assert kwargs["cookies"] == session_cookies


def test_debug_detail_fetch_502_on_fetch_failure(client: TestClient) -> None:
    with (
        patch("app.api.v1.admin.domclick_session_svc.load_session", return_value=None),
        patch(
            "scraper_kit.providers.domclick.detail.fetch_detail",
            new=AsyncMock(side_effect=RuntimeError("blocked")),
        ),
    ):
        resp = client.post(_DEBUG_URL, json={"card_url": _CARD_URL})

    assert resp.status_code == 502