"""Surgery stop -> DB persist, archive retry, and SurgeryPipeline result resolution order."""

from __future__ import annotations

import asyncio
from datetime import datetime, timezone
from unittest.mock import MagicMock

import pytest
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker

from app.config import Settings
from app.repositories.surgery_results import SurgeryResultRepository
from app.schemas import SurgeryConsumptionStored
from app.services.surgery_pipeline import SurgeryPipeline
from app.services.video.session_manager import (
    ArchivedSurgery,
    CameraSessionManager,
    RunningSurgery,
    SurgerySessionState,
)
from app.services.voice_resolution import VoiceConfirmationService


def _patch_db_sessions(
    sqlite_session_factory: async_sessionmaker[AsyncSession],
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    monkeypatch.setattr(
        "app.services.video.session_manager.AsyncSessionLocal",
        sqlite_session_factory,
    )
    monkeypatch.setattr(
        "app.services.surgery_pipeline.AsyncSessionLocal",
        sqlite_session_factory,
    )


@pytest.mark.asyncio
async def test_stop_surgery_persists_final_result(
    sqlite_session_factory: async_sessionmaker[AsyncSession],
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    _patch_db_sessions(sqlite_session_factory, monkeypatch)
    repo = SurgeryResultRepository()
    settings = Settings()
    mgr = CameraSessionManager(
        settings=settings,
        vision_algorithm=MagicMock(),
        hikvision_runtime=None,
        result_repository=repo,
    )
    ts = datetime(2026, 4, 21, 12, 0, tzinfo=timezone.utc)
    st = SurgerySessionState(candidate_consumables=["纱布"])
    st.details.append(
        SurgeryConsumptionStored(
            item_id="纱布",
            item_name="纱布",
            qty=1,
            doctor_id="vision",
            timestamp=ts,
            source="vision",
        )
    )
    st.ready.set()
    mgr._active["123456"] = RunningSurgery(
        stop_event=asyncio.Event(), state=st, tasks=[]
    )

    await mgr.stop_surgery("123456", require_active=True)

    async with sqlite_session_factory() as session:
        async with session.begin():
            loaded = await repo.load_final_details(session, "123456")
    assert loaded is not None
    assert len(loaded) == 1
    assert loaded[0].item_id == "纱布"
    assert mgr._archive.get("123456") is None


class _FlakyResultRepo(SurgeryResultRepository):
    def __init__(self) -> None:
        super().__init__()
        self.calls = 0

    async def save_final_result(self, session: AsyncSession, **kwargs: object) -> None:
        self.calls += 1
        if self.calls == 1:
            raise RuntimeError("db unavailable")
        return await super().save_final_result(session, **kwargs)


@pytest.mark.asyncio
async def test_stop_surgery_failed_persist_goes_to_archive_then_retry_persists(
    sqlite_session_factory: async_sessionmaker[AsyncSession],
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    _patch_db_sessions(sqlite_session_factory, monkeypatch)
    repo = _FlakyResultRepo()
    settings = Settings()
    mgr = CameraSessionManager(
        settings=settings,
        vision_algorithm=MagicMock(),
        hikvision_runtime=None,
        result_repository=repo,
    )
    ts = datetime(2026, 4, 21, 12, 0, tzinfo=timezone.utc)
    st = SurgerySessionState(candidate_consumables=[])
    st.details.append(
        SurgeryConsumptionStored(
            item_id="缝线",
            item_name="缝线",
            qty=1,
            doctor_id="vision",
            timestamp=ts,
            source="vision",
        )
    )
    mgr._active["654321"] = RunningSurgery(
        stop_event=asyncio.Event(), state=st, tasks=[]
    )

    await mgr.stop_surgery("654321", require_active=True)
    assert "654321" in mgr._archive
    assert repo.calls == 1

    ok = await mgr._try_persist_archive("654321")
    assert ok is True
    assert "654321" not in mgr._archive
    assert repo.calls == 2

    async with sqlite_session_factory() as session:
        async with session.begin():
            loaded = await repo.load_final_details(session, "654321")
    assert loaded is not None
    assert len(loaded) == 1
    assert loaded[0].item_id == "缝线"


@pytest.mark.asyncio
async def test_pipeline_prefers_live_then_db_then_archive(
    sqlite_session_factory: async_sessionmaker[AsyncSession],
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    _patch_db_sessions(sqlite_session_factory, monkeypatch)
    repo = SurgeryResultRepository()
    settings = Settings()
    mgr = CameraSessionManager(
        settings=settings,
        vision_algorithm=MagicMock(),
        hikvision_runtime=None,
        result_repository=repo,
    )
    voice = MagicMock(spec=VoiceConfirmationService)
    pipeline = SurgeryPipeline(
        mgr,
        result_repository=repo,
        voice_confirmation=voice,
    )

    ts = datetime(2026, 4, 21, 12, 0, tzinfo=timezone.utc)
    st = SurgerySessionState(candidate_consumables=["纱布"])
    st.details.append(
        SurgeryConsumptionStored(
            item_id="纱布",
            item_name="纱布",
            qty=1,
            doctor_id="vision",
            timestamp=ts,
            source="vision",
        )
    )
    st.ready.set()
    mgr._active["111111"] = RunningSurgery(
        stop_event=asyncio.Event(), state=st, tasks=[]
    )

    live = await pipeline.get_consumption_details_for_client("111111")
    assert live is not None
    assert live[0].item_id == "纱布"

    await mgr.stop_surgery("111111", require_active=True)

    from_db = await pipeline.get_consumption_details_for_client("111111")
    assert from_db is not None
    assert len(from_db) == 1
    assert from_db[0].item_id == "纱布"

    mgr._archive["333333"] = ArchivedSurgery(
        details=[
            SurgeryConsumptionStored(
                item_id="归档项",
                item_name="归档项",
                qty=1,
                doctor_id="vision",
                timestamp=ts,
                source="vision",
            )
        ]
    )
    only_archive = await pipeline.get_consumption_details_for_client("333333")
    assert only_archive is not None
    assert only_archive[0].item_id == "归档项"