"""R5: MDD 축소는 DT 인메모리가 0 이어도 전략명 없는 close/upsert 를 내지 않는다."""
import pytest

from app.services import mdd_manager as m
from app.services.db_worker import DT_STRATEGY_NAMES


@pytest.fixture
def cap(monkeypatch):
    out = {"up": [], "wr": []}

    async def _up(p):
        out["up"].append(p)

    async def _wr(p):
        out["wr"].append(p)

    async def _boom(*a, **k):
        raise AssertionError("전략명 없는 close 금지")

    monkeypatch.setattr("app.services.db_worker.enqueue_active_trade_upsert", _up)
    monkeypatch.setattr("app.services.db_worker.enqueue_db_write", _wr)
    monkeypatch.setattr("app.services.db_worker.enqueue_close_active_trade", _boom)
    monkeypatch.setattr("app.services.db_worker.enqueue_close_active_trade_v2", _boom)
    monkeypatch.setattr(m, "_dt_position_qty", lambda _c: 0)
    return out


@pytest.mark.asyncio
async def test_full_close_without_dt_uses_non_dt_filter(cap):
    await m._sync_active_trade_after_reduction("005930", 10, 0)
    assert len(cap["wr"]) == 1
    d = cap["wr"][0]["data"]
    assert cap["wr"][0]["type"] == "close_active_trade"
    assert tuple(d["strategy_name_not"]) == tuple(DT_STRATEGY_NAMES)


@pytest.mark.asyncio
async def test_partial_without_dt_uses_non_dt_filter(cap):
    await m._sync_active_trade_after_reduction("005930", 10, 7)
    assert len(cap["up"]) == 1
    p = cap["up"][0]
    assert p["quantity"] == 7
    assert tuple(p["strategy_name_not"]) == tuple(DT_STRATEGY_NAMES)


def test_dt_qty_failure_is_logged_not_silent(monkeypatch, caplog):
    import app.services.daytrading.position_manager as pm

    class _Boom:
        @property
        def positions(self):
            raise RuntimeError("boom")

    monkeypatch.setattr(pm, "day_trading_state", _Boom())
    with caplog.at_level("WARNING"):
        assert m._dt_position_qty("005930") == 0
    assert any("DT 인메모리 수량 조회 실패" in r.message for r in caplog.records)


@pytest.mark.asyncio
@pytest.mark.parametrize("remaining", [0, 3, 7])
async def test_dt_present_never_emits_strategyless_payload(cap, monkeypatch, remaining):
    """DT 병존 시에도 모든 close/upsert payload 는 전략 필터를 가진다."""
    monkeypatch.setattr(m, "_dt_position_qty", lambda _c: 4)
    await m._sync_active_trade_after_reduction("005930", 10, remaining)
    for p in cap["up"]:
        assert p.get("strategy_name") or p.get("strategy_name_not")
    for w in cap["wr"]:
        d = w["data"]
        assert d.get("strategy_name") or d.get("strategy_names") or d.get("strategy_name_not")