"""HTTP contract tests for surgery client API (dependency overrides, no real DB on lifespan)."""

from __future__ import annotations

import asyncio
import json
from datetime import datetime, timezone
from pathlib import Path
from unittest.mock import AsyncMock, MagicMock

import pytest
from fastapi import FastAPI
from fastapi.testclient import TestClient

from app.api import router as api_router
from app.dependencies import get_surgery_pipeline, get_voice_terminal_hub
from app.services.voice_terminal_hub import (
    VoiceTerminalHub,
    assign_voice_terminal_after_recording_started,
)
from app.config import Settings
from app.schemas import (
    SurgeryConsumptionDetail,
    SurgeryPendingConfirmationResponse,
)
from app.services.voice_resolution import VoiceResolveResult
from app.surgery_errors import SurgeryPipelineError


@pytest.fixture
def instant_sleep(monkeypatch: pytest.MonkeyPatch) -> None:
    async def _noop(_delay: float) -> None:
        return None

    monkeypatch.setattr("app.api.asyncio.sleep", _noop)


@pytest.fixture
def api_app(monkeypatch: pytest.MonkeyPatch) -> FastAPI:
    async def _check_db_ok() -> None:
        return None

    monkeypatch.setattr("app.api.check_database", _check_db_ok)

    app = FastAPI()
    app.include_router(api_router)
    hub = VoiceTerminalHub(Settings())
    app.dependency_overrides[get_voice_terminal_hub] = lambda: hub
    return app


def test_health_ok(api_app: FastAPI) -> None:
    client = TestClient(api_app)
    r = client.get("/health")
    assert r.status_code == 200
    assert r.json()["status"] == "ok"


def test_start_surgery_accepted(api_app: FastAPI, instant_sleep: None) -> None:
    pipeline = MagicMock()
    pipeline.start_recording = AsyncMock(return_value=None)
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post(
        "/client/surgeries/start",
        json={
            "surgery_id": "123456",
            "camera_ids": ["cam1"],
            "candidate_consumables": ["纱布"],
        },
    )
    assert r.status_code == 200
    body = r.json()
    assert body["surgery_id"] == "123456"
    assert body["status"] == "accepted"
    pipeline.start_recording.assert_awaited_once()


def test_assign_voice_terminal_helper_matches_start_surgery_behavior(
    tmp_path: Path,
) -> None:
    site = {
        "video_rtsp_urls": {"cam1": "rtsp://x/c1"},
        "voice_or_room_bindings": [
            {
                "or_room_id": "R1",
                "camera_ids": ["cam1"],
                "voice_terminal_id": "TERM-X",
            }
        ],
    }
    p = tmp_path / "site.json"
    p.write_text(json.dumps(site), encoding="utf-8")
    hub = VoiceTerminalHub(Settings(or_site_config_json_file=str(p)))
    set_vtid = MagicMock()

    async def _run() -> None:
        await assign_voice_terminal_after_recording_started(
            hub,
            surgery_id="123456",
            camera_ids=["cam1"],
            set_voice_terminal_id=set_vtid,
        )

    asyncio.run(_run())
    set_vtid.assert_called_once_with("123456", "TERM-X")
    assert hub.get_assignment("TERM-X") == "123456"


def test_start_surgery_notifies_voice_terminal_when_binding_matches(
    api_app: FastAPI, instant_sleep: None, tmp_path: Path
) -> None:
    site = {
        "video_rtsp_urls": {"cam1": "rtsp://x/c1", "cam2": "rtsp://x/c2"},
        "voice_or_room_bindings": [
            {
                "or_room_id": "R1",
                "camera_ids": ["cam1", "cam2"],
                "voice_terminal_id": "TERM-OR1",
            }
        ],
    }
    p = tmp_path / "site.json"
    p.write_text(json.dumps(site), encoding="utf-8")
    hub = VoiceTerminalHub(Settings(or_site_config_json_file=str(p)))
    api_app.dependency_overrides[get_voice_terminal_hub] = lambda: hub
    pipeline = MagicMock()
    pipeline.start_recording = AsyncMock(return_value=None)
    pipeline.set_voice_terminal_id = MagicMock()
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post(
        "/client/surgeries/start",
        json={
            "surgery_id": "123456",
            "camera_ids": ["cam2", "cam1"],
            "candidate_consumables": ["纱布"],
        },
    )
    assert r.status_code == 200
    pipeline.set_voice_terminal_id.assert_called_once_with("123456", "TERM-OR1")
    assert hub.get_assignment("TERM-OR1") == "123456"


def test_voice_terminal_assignment_get(api_app: FastAPI) -> None:
    hub = api_app.dependency_overrides[get_voice_terminal_hub]()
    asyncio.run(hub.notify_start("t-assign", "999999"))
    client = TestClient(api_app)
    r = client.get("/client/voice-terminals/t-assign/assignment")
    assert r.status_code == 200
    assert r.json() == {
        "voice_terminal_id": "t-assign",
        "active_surgery_id": "999999",
    }


def test_end_surgery_notifies_voice_terminal(
    api_app: FastAPI, instant_sleep: None
) -> None:
    hub = api_app.dependency_overrides[get_voice_terminal_hub]()
    asyncio.run(hub.notify_start("t-end", "123456"))
    pipeline = MagicMock()
    pipeline.stop_recording = AsyncMock(return_value="t-end")
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post("/client/surgeries/end", json={"surgery_id": "123456"})
    assert r.status_code == 200
    assert hub.get_assignment("t-end") is None


def test_start_surgery_503_on_pipeline_error(
    api_app: FastAPI, instant_sleep: None
) -> None:
    pipeline = MagicMock()
    pipeline.start_recording = AsyncMock(
        side_effect=SurgeryPipelineError("RECORDING_CANNOT_START", "cannot")
    )
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post(
        "/client/surgeries/start",
        json={"surgery_id": "123456", "camera_ids": ["c1"], "candidate_consumables": []},
    )
    assert r.status_code == 503
    d = r.json()["detail"]
    assert d["code"] == "RECORDING_CANNOT_START"
    assert d["surgery_id"] == "123456"


def test_start_surgery_422_invalid_surgery_id(api_app: FastAPI) -> None:
    pipeline = MagicMock()
    pipeline.start_recording = AsyncMock()
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post(
        "/client/surgeries/start",
        json={"surgery_id": "12", "camera_ids": ["c1"], "candidate_consumables": []},
    )
    assert r.status_code == 422


def test_end_surgery_accepted(api_app: FastAPI, instant_sleep: None) -> None:
    pipeline = MagicMock()
    pipeline.stop_recording = AsyncMock(return_value=None)
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post("/client/surgeries/end", json={"surgery_id": "123456"})
    assert r.status_code == 200
    pipeline.stop_recording.assert_awaited_once_with("123456")


def test_get_result_200(api_app: FastAPI) -> None:
    ts = datetime(2026, 4, 21, 12, 0, tzinfo=timezone.utc)
    pipeline = MagicMock()
    pipeline.get_consumption_details_for_client = AsyncMock(
        return_value=[
            SurgeryConsumptionDetail(
                item_id="纱布",
                item_name="纱布",
                qty=1,
                doctor_id="vision",
                timestamp=ts,
            ),
        ]
    )
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.get("/client/surgeries/123456/result")
    assert r.status_code == 200
    body = r.json()
    assert body["surgery_id"] == "123456"
    assert len(body["details"]) == 1
    assert list(body["details"][0].keys()) == [
        "item_id",
        "item_name",
        "qty",
        "doctor_id",
        "timestamp",
    ]
    assert body["summary"][0]["total_quantity"] == 1


def test_get_result_503_not_ready(api_app: FastAPI) -> None:
    pipeline = MagicMock()
    pipeline.get_consumption_details_for_client = AsyncMock(return_value=None)
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.get("/client/surgeries/123456/result")
    assert r.status_code == 503
    assert r.json()["detail"]["code"] == "RESULT_NOT_READY"


def test_get_result_503_empty_details(api_app: FastAPI) -> None:
    pipeline = MagicMock()
    pipeline.get_consumption_details_for_client = AsyncMock(return_value=[])
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.get("/client/surgeries/123456/result")
    assert r.status_code == 503
    assert r.json()["detail"]["code"] == "RESULT_NOT_READY"


def test_pending_confirmation_200_and_404(api_app: FastAPI) -> None:
    ts = datetime(2026, 4, 21, 12, 0, tzinfo=timezone.utc)
    payload = SurgeryPendingConfirmationResponse(
        surgery_id="123456",
        confirmation_id="cid",
        prompt_text="请确认",
        prompt_audio_mp3_base64="//uQ",
        options=[],
        model_top1_label="x",
        model_top1_confidence=0.4,
        created_at=ts,
    )
    pipeline_ok = MagicMock()
    pipeline_ok.get_pending_confirmation_for_client = AsyncMock(return_value=payload)
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline_ok
    client = TestClient(api_app)
    r = client.get("/client/surgeries/123456/pending-confirmation")
    assert r.status_code == 200
    body_ok = r.json()
    assert body_ok["confirmation_id"] == "cid"
    assert body_ok["prompt_audio_mp3_base64"] == "//uQ"

    pipeline_none = MagicMock()
    pipeline_none.get_pending_confirmation_for_client = AsyncMock(return_value=None)
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline_none
    client2 = TestClient(api_app)
    r2 = client2.get("/client/surgeries/123456/pending-confirmation")
    assert r2.status_code == 404
    assert r2.json()["detail"]["code"] == "NO_PENDING_CONFIRMATION"


def test_resolve_empty_audio_422(api_app: FastAPI) -> None:
    pipeline = MagicMock()
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post(
        "/client/surgeries/123456/pending-confirmation/cid/resolve",
        files={"audio": ("a.wav", b"", "audio/wav")},
    )
    assert r.status_code == 422
    assert r.json()["detail"]["code"] == "VOICE_AUDIO_INVALID"


def test_resolve_non_wav_422(api_app: FastAPI) -> None:
    pipeline = MagicMock()
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post(
        "/client/surgeries/123456/pending-confirmation/cid/resolve",
        files={"audio": ("a.mp3", b"abc", "audio/mpeg")},
    )
    assert r.status_code == 422


def test_resolve_200(api_app: FastAPI) -> None:
    pipeline = MagicMock()
    pipeline.resolve_pending_confirmation_from_audio = AsyncMock(
        return_value=VoiceResolveResult(
            resolved_label="纱布",
            rejected=False,
            asr_text="第一个",
            audio_object_key="k.wav",
            message="ok",
        )
    )
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post(
        "/client/surgeries/123456/pending-confirmation/cid/resolve",
        files={"audio": ("a.wav", b"RIFF", "audio/wav")},
    )
    assert r.status_code == 200
    body = r.json()
    assert body["resolved_label"] == "纱布"
    assert body["rejected"] is False
    assert body["asr_text"] == "第一个"


def test_resolve_maps_surgery_pipeline_error_to_http(api_app: FastAPI) -> None:
    pipeline = MagicMock()
    pipeline.resolve_pending_confirmation_from_audio = AsyncMock(
        side_effect=SurgeryPipelineError("CONFIRMATION_NOT_FOUND", "missing")
    )
    api_app.dependency_overrides[get_surgery_pipeline] = lambda: pipeline
    client = TestClient(api_app)
    r = client.post(
        "/client/surgeries/123456/pending-confirmation/cid/resolve",
        files={"audio": ("a.wav", b"x", "audio/wav")},
    )
    assert r.status_code == 404
    assert r.json()["detail"]["code"] == "CONFIRMATION_NOT_FOUND"