"""PatentSourceCollector's live USPTO Open Data Portal branch - only
active when `Settings.uspto_api_key` is configured. The no-key disabled/
fixture path is covered separately in test_fixture_collectors.py and is
asserted here to stay unchanged.

Live-verified (2026-08): USPTO's Patent Application Search has no
queryable assignee/company field at all, so `collect()` searches by each
of the company's known leadership names (from NinjaPear enrichment)
instead - see the module docstring in app/collectors/patents.py.
"""

from __future__ import annotations

import httpx
import pytest
import respx

from app.collectors.base import CompanyContext, SourceConfig
from app.collectors.patents import PatentSourceCollector
from app.core.config import Settings
from app.models.enums import SourceStatus, SourceType

COMPANY = CompanyContext(
    id="c1", name="Acme Mobility", official_website=None, monitoring_focus=None
)
COMPANY_WITH_LEADERSHIP = CompanyContext(
    id="c1",
    name="Acme Mobility",
    official_website=None,
    monitoring_focus=None,
    leadership_names=["Jane Doe", "John Smith"],
)


def _with_key(monkeypatch, key: str = "test-uspto-key") -> None:
    monkeypatch.setattr("app.collectors.patents.get_settings", lambda: Settings(uspto_api_key=key))


@pytest.mark.asyncio
async def test_discover_returns_empty_without_a_key():
    discovered = await PatentSourceCollector().discover(COMPANY)
    assert discovered == []


@pytest.mark.asyncio
async def test_discover_returns_a_source_when_a_key_is_configured(monkeypatch):
    _with_key(monkeypatch)
    discovered = await PatentSourceCollector().discover(COMPANY)

    assert len(discovered) == 1
    assert discovered[0].source_type == SourceType.PATENT


@pytest.mark.asyncio
async def test_collect_with_no_leadership_names_is_an_empty_result_with_no_network_call(
    monkeypatch,
):
    """No names to search USPTO's inventor index with (enrichment never
    ran, still pending, or found no leadership) - an honest empty result,
    not a wasted/failed call."""
    _with_key(monkeypatch)
    source = SourceConfig(
        id="s1", source_type=SourceType.PATENT, name="Acme Patents", base_url=None
    )
    with respx.mock:
        route = respx.post("https://api.uspto.gov/api/v1/patent/applications/search")
        result = await PatentSourceCollector().collect(source, COMPANY)

    assert route.call_count == 0
    assert result.status == SourceStatus.ACTIVE
    assert result.documents == []


@pytest.mark.asyncio
async def test_collect_searches_by_each_leadership_name_and_dedupes(monkeypatch):
    _with_key(monkeypatch)
    source = SourceConfig(
        id="s1", source_type=SourceType.PATENT, name="Acme Patents", base_url=None
    )
    # title/filingDate/abstractText live under applicationMetaData, not at
    # the entry's top level - matches the real API's confirmed live shape.
    shared_patent = {
        "applicationNumberText": "18/123456",
        "applicationMetaData": {
            "inventionTitle": "Battery Swapping System for Electric Vehicles",
            "filingDate": "2026-01-15",
            "abstractText": "A system for rapid battery exchange in electric scooters.",
        },
    }

    with respx.mock:
        route = respx.post("https://api.uspto.gov/api/v1/patent/applications/search").mock(
            return_value=httpx.Response(200, json={"patentFileWrapperDataBag": [shared_patent]})
        )
        result = await PatentSourceCollector().collect(source, COMPANY_WITH_LEADERSHIP)

    # Both names searched (2 requests)...
    assert route.call_count == 2
    assert route.calls[0].request.headers["x-api-key"] == "test-uspto-key"
    for call in route.calls:
        assert b"inventorNameText" in call.request.content
    # ...but the same application number returned by both searches is
    # only kept once.
    assert result.status == SourceStatus.ACTIVE
    assert len(result.documents) == 1
    doc = result.documents[0]
    assert doc.metadata["application_number"] == "18/123456"
    assert doc.metadata["match_type"] == "leadership_name_heuristic"
    assert doc.trust_score == 0.5
    assert "Battery Swapping" in doc.title
    assert "heuristic" in doc.content_text


@pytest.mark.asyncio
async def test_no_matching_records_for_a_name_is_not_a_failure(monkeypatch):
    """USPTO returns 404 for "no matching records" rather than a 200 with
    an empty array - a real, expected outcome for most names, not a
    collection failure."""
    _with_key(monkeypatch)
    source = SourceConfig(
        id="s1", source_type=SourceType.PATENT, name="Acme Patents", base_url=None
    )
    with respx.mock:
        respx.post("https://api.uspto.gov/api/v1/patent/applications/search").mock(
            return_value=httpx.Response(404, json={"message": "No matching records found"})
        )
        result = await PatentSourceCollector().collect(source, COMPANY_WITH_LEADERSHIP)

    assert result.status == SourceStatus.ACTIVE
    assert result.documents == []


@pytest.mark.asyncio
async def test_collect_surfaces_a_real_api_error_when_every_search_fails(monkeypatch):
    """Once a key is configured, a real failure must be reported honestly -
    not silently masked as the "no provider configured" disabled state,
    which would look like the user's key was never even attempted."""
    _with_key(monkeypatch)
    source = SourceConfig(
        id="s1", source_type=SourceType.PATENT, name="Acme Patents", base_url=None
    )
    with respx.mock:
        respx.post("https://api.uspto.gov/api/v1/patent/applications/search").mock(
            return_value=httpx.Response(401, text="Invalid API key")
        )
        result = await PatentSourceCollector().collect(source, COMPANY_WITH_LEADERSHIP)

    assert result.status == SourceStatus.FAILED
    assert "401" in result.error


@pytest.mark.asyncio
async def test_collect_without_a_key_is_unchanged_disabled_behavior():
    source = SourceConfig(
        id="s1", source_type=SourceType.PATENT, name="Acme Patents", base_url=None
    )
    result = await PatentSourceCollector().collect(source, COMPANY_WITH_LEADERSHIP)

    assert result.status == SourceStatus.DISABLED
    assert "does not fabricate" in result.error