"""Tests für SSE-Endpoints des Specialist-Agent-Test-Harness."""

from __future__ import annotations

import asyncio
import json
from unittest.mock import AsyncMock, patch

import pytest
from fastapi.testclient import TestClient

from tests.fixtures.impressum_groundtruth import make_mc


@pytest.fixture
def app(tmp_path, monkeypatch):
    monkeypatch.setenv("EVIDENCE_VAULT_ROOT", str(tmp_path / "vault"))
    from fastapi import FastAPI
    from compliance.api.specialist_agent_routes import router
    app = FastAPI()
    app.include_router(router, prefix="/api/v1")
    return app


@pytest.fixture
def client(app):
    return TestClient(app)


def test_list_agents(client):
    r = client.get("/api/v1/specialist-agent/agents")
    assert r.status_code == 200
    data = r.json()
    agent_ids = {a["agent_id"] for a in data["agents"]}
    assert "impressum" in agent_ids
    assert "cookie_policy" in agent_ids


def test_start_test_invalid_agent(client):
    r = client.post("/api/v1/specialist-agent/test/start",
                     json={"agent_id": "ghost",
                           "raw_texts": ["test"]})
    assert r.status_code == 404


def test_start_test_no_input(client):
    r = client.post("/api/v1/specialist-agent/test/start",
                     json={"agent_id": "impressum"})
    assert r.status_code == 400


def test_start_test_with_raw_text(client):
    r = client.post("/api/v1/specialist-agent/test/start",
                     json={"agent_id": "impressum",
                           "raw_texts": ["Tesla Germany GmbH "
                                         "Berlin Email: x@y.com "
                                         "HRB 123 Charlottenburg"]})
    assert r.status_code == 200
    data = r.json()
    assert data["agent_id"] == "impressum"
    assert data["slot_count"] == 1
    assert data["run_id"]


def test_stream_unknown_run(client):
    r = client.get("/api/v1/specialist-agent/test/stream/ghost")
    assert r.status_code == 404


def test_run_result_after_text_input(client, monkeypatch):
    # Skip LLM
    async def _no_cascade(*a, **kw): return None, []
    monkeypatch.setattr(
        "compliance.services.specialist_agents._semantic_validator.cascade",
        _no_cascade,
    )
    # Agent delegiert MC-Laden ans Main Tool → _load_controls mocken.
    # Tesla nennt 'Management' (engl.) statt deutschem GF-Label → das
    # label_korrekt-MC schlaegt fehl → erwartetes Finding.
    async def _fake_load(doc_type, db_url, limit, business_scope=None):
        # pass_criteria nur mit label_korrekt-eigenen Keywords (deutsche/
        # Bezeichnung/Rechtsform) — NICHT 'Geschäftsführer/Vorstand', sonst
        # boostet das aktive vertretungsberechtigte-Feld (Tesla: 'Management')
        # das MC faelschlich auf PASS.
        return [make_mc(
            "vertretungsberechtigte_label_korrekt",
            ["deutsche Bezeichnung Rechtsform Pflicht angeben"],
        )]
    monkeypatch.setattr(
        "compliance.services.rag_document_checker._load_controls",
        _fake_load,
    )

    async def _no_match(*a, **kw): return set()
    monkeypatch.setattr(
        "compliance.services.mc_embedding_matcher.embedding_match",
        _no_match, raising=False,
    )

    async def _no_embed(*a, **kw): return None
    monkeypatch.setattr(
        "compliance.services.mc_embedding_matcher.ensure_mc_embeddings",
        _no_embed, raising=False,
    )
    r = client.post("/api/v1/specialist-agent/test/start",
                     json={"agent_id": "impressum",
                           "raw_texts": [
                               "Tesla Germany GmbH\nLudwig-Prandtl-Strasse 25\n"
                               "12526 Berlin\nDeutschland\nEmail: x@y.com\n"
                               "Tel: +49 89 1250 16 800\n"
                               "Management: Elon Musk\n"
                               "HRB 218904 B Charlottenburg",
                           ]})
    run_id = r.json()["run_id"]
    # Give async task time to finish (small text → fast)
    for _ in range(40):
        rr = client.get(
            f"/api/v1/specialist-agent/run/{run_id}/result",
        )
        if rr.json().get("finished"):
            break
        import time; time.sleep(0.05)
    res = client.get(f"/api/v1/specialist-agent/run/{run_id}/result")
    body = res.json()
    assert body["finished"]
    assert "text1" in body["results"]
    out = body["results"]["text1"]
    field_ids = {f["field_id"] for f in out["findings"]}
    # Tesla pattern: German-label fehlt + USt fehlt
    assert "vertretungsberechtigte_label_korrekt" in field_ids


def test_artifacts_listing(client, monkeypatch):
    async def _no_cascade(*a, **kw): return None, []
    monkeypatch.setattr(
        "compliance.services.specialist_agents._semantic_validator.cascade",
        _no_cascade,
    )
    r = client.post("/api/v1/specialist-agent/test/start",
                     json={"agent_id": "impressum",
                           "raw_texts": ["Tesla Germany GmbH "
                                         "Berlin Email: x@y.com "
                                         "HRB 123 Charlottenburg"]})
    run_id = r.json()["run_id"]
    for _ in range(40):
        rr = client.get(
            f"/api/v1/specialist-agent/run/{run_id}/result",
        )
        if rr.json().get("finished"):
            break
        import time; time.sleep(0.05)
    arts = client.get(
        f"/api/v1/specialist-agent/run/{run_id}/artifacts",
    )
    assert arts.status_code == 200
    manifest = arts.json()["manifest"]
    kinds = {a["kind"] for a in manifest["assets"]}
    assert "finding" in kinds
    assert "raw" in kinds