"""解耦测试：用 fake PendingConfirmationStore 验证 VoiceConfirmationService 对端口的依赖。

该用例不构造完整的 CameraSessionManager，验证 Phase 5 引入的协议可替换性。
"""

from __future__ import annotations

from dataclasses import dataclass, field
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.voice_audits import VoiceAuditRepository
from app.services.pending_confirmation_port import PendingConfirmationStore
from app.services.video.session_manager import PendingConsumableConfirmation
from app.services.voice_resolution import VoiceConfirmationService
from app.surgery_errors import SurgeryPipelineError


@dataclass
class _FakePendingStore:
    """与 PendingConfirmationStore 协议等价的可控 fake；不依赖 CameraSessionManager。"""

    pendings: dict[tuple[str, str], PendingConsumableConfirmation] = field(
        default_factory=dict
    )
    candidates: dict[str, list[str]] = field(default_factory=dict)
    resolved: list[tuple[str, str, str | None, bool]] = field(default_factory=list)
    traces: list[dict[str, str | None]] = field(default_factory=list)
    parse_failures: dict[str, int] = field(default_factory=dict)

    def get_pending_confirmation_by_id(
        self, surgery_id: str, confirmation_id: str
    ) -> PendingConsumableConfirmation | None:
        return self.pendings.get((surgery_id, confirmation_id))

    def get_surgery_candidate_consumables(self, surgery_id: str) -> list[str]:
        return list(self.candidates.get(surgery_id, []))

    async def record_voice_parse_failure(
        self, surgery_id: str, confirmation_id: str
    ) -> tuple[int, int]:
        key = f"{surgery_id}:{confirmation_id}"
        self.parse_failures[key] = self.parse_failures.get(key, 0) + 1
        remaining = max(0, 2 - self.parse_failures[key])
        return self.parse_failures[key], remaining

    async def resolve_pending_confirmation(
        self,
        surgery_id: str,
        confirmation_id: str,
        *,
        chosen_label: str | None,
        rejected: bool,
    ) -> None:
        self.resolved.append((surgery_id, confirmation_id, chosen_label, rejected))

    def record_voice_trace(
        self,
        surgery_id: str,
        *,
        asr_text: str | None,
        error: str | None,
    ) -> None:
        self.traces.append(
            {"surgery_id": surgery_id, "asr_text": asr_text, "error": error}
        )


def test_fake_store_satisfies_protocol() -> None:
    """_FakePendingStore 必须符合 PendingConfirmationStore 协议（静态/运行时同时验证）。"""
    store = _FakePendingStore()
    assert isinstance(store, PendingConfirmationStore)


@pytest.mark.asyncio
async def test_resolve_from_recognized_text_with_fake_store(
    sqlite_session_factory: async_sessionmaker[AsyncSession],
) -> None:
    store = _FakePendingStore()
    surgery_id = "123456"
    confirmation_id = "cid-a"
    store.pendings[(surgery_id, confirmation_id)] = PendingConsumableConfirmation(
        id=confirmation_id,
        status="pending",
        options=[("纱布", 0.4), ("缝线", 0.3)],
        prompt_text="请确认",
        created_at=datetime.now(timezone.utc),
        model_top1_label="纱布",
        model_top1_confidence=0.4,
    )
    store.candidates[surgery_id] = ["纱布", "缝线"]

    svc = VoiceConfirmationService(
        settings=Settings(),
        sessions=store,
        baidu=MagicMock(),
        minio=MagicMock(),
        audits=VoiceAuditRepository(),
        session_factory=sqlite_session_factory,
    )

    result = await svc.resolve_from_recognized_text(
        surgery_id=surgery_id,
        confirmation_id=confirmation_id,
        recognized_text="第一个",
    )
    assert result.resolved_label == "纱布"
    assert result.rejected is False
    assert store.resolved == [(surgery_id, confirmation_id, "纱布", False)]


@pytest.mark.asyncio
async def test_resolve_from_recognized_text_not_found_branch(
    sqlite_session_factory: async_sessionmaker[AsyncSession],
) -> None:
    store = _FakePendingStore()
    svc = VoiceConfirmationService(
        settings=Settings(),
        sessions=store,
        baidu=MagicMock(),
        minio=MagicMock(),
        audits=VoiceAuditRepository(),
        session_factory=sqlite_session_factory,
    )
    with pytest.raises(SurgeryPipelineError) as excinfo:
        await svc.resolve_from_recognized_text(
            surgery_id="000000",
            confirmation_id="missing",
            recognized_text="第一个",
        )
    assert excinfo.value.code == "CONFIRMATION_NOT_FOUND"