"""하드닝 R1: 팬텀 ActiveTrade close 유예 / FX 폴백 총자산 제외 / 상태 집합."""
import asyncio
from datetime import datetime, timedelta
from types import SimpleNamespace

import pytest

from app.api.endpoints import portfolio as pf
from app.core.config import settings


@pytest.fixture(autouse=True)
def _reset():
    pf._phantom_state_reset()
    yield
    pf._phantom_state_reset()


NOW = datetime(2026, 10, 9, 10, 0, 0)


def _row(age_sec, qty=5):
    ts = NOW - timedelta(seconds=age_sec)
    return SimpleNamespace(status="active", quantity=qty, created_at=ts, updated_at=ts)


def _run(rows, recent):
    return pf._reconcile_active_trade_quantities(
        {"005930": rows}, {}, {"005930": "swing"}, {"005930": 0},
        phantom_guard=True, recent_trade_codes=recent, now=NOW,
    )


def test_new_row_not_closed():
    r = _row(5)
    acts = _run([r], set())
    assert r.status == "active" and acts[0]["action"] == "close_deferred"


def test_recent_trade_defers():
    r = _row(99999)
    _run([r], {"005930"})
    assert r.status == "active"


def test_recent_trades_unknown_defers():
    r = _row(99999)
    _run([r], None)
    assert r.status == "active"


def test_closes_only_after_two_consecutive_misses():
    r = _row(99999)
    _run([r], set())
    assert r.status == "active"
    acts = _run([r], set())
    assert r.status == "closed" and acts[0]["action"] == "closed"


def test_miss_counter_reset_when_held():
    r = _row(99999)
    _run([r], set())
    pf._reconcile_active_trade_quantities(
        {"005930": [r]}, {"005930": 5}, {"005930": "swing"}, {"005930": 5},
        phantom_guard=True, recent_trade_codes=set(), now=NOW)
    _run([r], set())
    assert r.status == "active"


def test_legacy_call_unchanged():
    r = _row(1)
    acts = pf._reconcile_active_trade_quantities({"005930": [r]}, {}, {}, None)
    assert r.status == "closed" and acts[0]["action"] == "closed"


def test_inherit_helper_failure_returns_none():
    class Boom:
        async def execute(self, *_a, **_k):
            raise RuntimeError("db down")
    assert asyncio.run(pf._recent_closed_non_dt_row_v2(Boom(), "005930", NOW)) is None


def test_config_default_fx_excluded_from_total_assets(monkeypatch):
    monkeypatch.setattr(pf, "_last_good_fx_rate", 0.0)
    monkeypatch.setattr(settings, "US_DEFAULT_FX_RATE", 1350.0, raising=False)
    cache = pf.PortfolioCache()
    cache.holdings = [SimpleNamespace(
        stock_code="AAPL", market="NASD", quantity=10, average_price=100, current_price=200,
        currency_code="USD", exchange_code="NASD", stock_name="A", profit_loss=0,
        profit_loss_rate=0, strategy_type="us_swing")]
    bal = {"rt_cd": "0", "output1": [], "output2": [{"tot_evlu_amt": "10000000",
           "dnca_tot_amt": "10000000", "prvs_rcdl_excc_amt": "10000000"}]}
    asyncio.run(cache.cache_summary_v2(bal, {}))
    s = cache.summary
    assert s["exchange_rate_source"] == "config_default"
    assert s["exchange_rate_estimate"] == 1350.0
    assert s["exchange_rate_unavailable"] is True
    assert s["total_assets"] == pytest.approx(10000000)


def test_realized_status_superset():
    from app.core.trade_status import REALIZED_PNL_STATUSES
    assert {"COMPLETED", "FILLED", "EXECUTED"} <= set(REALIZED_PNL_STATUSES)
    assert "PENDING" not in REALIZED_PNL_STATUSES


# ---- R4: 재시딩 승계 표식 / 실청산 구분 -------------------------------------
from app.services.swing import exit_service as _xs


class _Res:
    def __init__(self, rows):
        self._rows = rows

    def all(self):
        return self._rows


class _DB:
    def __init__(self, rows=None, boom=False):
        self.rows, self.boom = rows or [], boom

    async def execute(self, *_a, **_k):
        if self.boom:
            raise RuntimeError("db down")
        return _Res(self.rows)


def _closed(qty=5, ep=10000.0):
    return SimpleNamespace(id=7, stock_code="005930", quantity=qty, entry_price=ep,
                           updated_at=NOW, created_at=NOW - timedelta(days=3))


def test_inherited_reason_is_recognised_as_seeded():
    reason = pf._inherited_entry_reason_v2("기술: RSI 과매도")
    assert reason.endswith("기술: RSI 과매도")
    row = SimpleNamespace(strategy_name="swing", entry_reason=reason)
    assert _xs._is_seeded_active_trade_v2(row)
    assert pf._inherited_entry_reason_v2(reason) == reason  # 이중 접두사 없음


def test_real_full_exit_not_inherited(monkeypatch):
    async def row(*_a, **_k):
        return _closed(qty=5)
    monkeypatch.setattr(pf, "_recent_closed_non_dt_row_v2", row)
    got = asyncio.run(pf._inheritable_closed_row_v3(_DB([(5, 5)]), "005930", 10000.0, NOW))
    assert got is None


def test_phantom_close_is_inherited(monkeypatch):
    async def row(*_a, **_k):
        return _closed(qty=5)
    monkeypatch.setattr(pf, "_recent_closed_non_dt_row_v2", row)
    got = asyncio.run(pf._inheritable_closed_row_v3(_DB([]), "005930", 10000.0, NOW))
    assert got is not None and got.id == 7


def test_sell_lookup_failure_not_inherited(monkeypatch):
    async def row(*_a, **_k):
        return _closed(qty=5)
    monkeypatch.setattr(pf, "_recent_closed_non_dt_row_v2", row)
    assert asyncio.run(pf._inheritable_closed_row_v3(_DB(boom=True), "005930", 10000.0, NOW)) is None


def test_entry_price_divergence_not_inherited(monkeypatch):
    async def row(*_a, **_k):
        return _closed(qty=5, ep=10000.0)
    monkeypatch.setattr(pf, "_recent_closed_non_dt_row_v2", row)
    avg = 10000.0 * (1 + pf._PHANTOM_INHERIT_MAX_ENTRY_DIVERGENCE + 0.05)
    assert asyncio.run(pf._inheritable_closed_row_v3(_DB([]), "005930", avg, NOW)) is None


def test_no_untracked_create_task_in_portfolio():
    """fire-and-forget 는 spawn_tracked_v2 로만 (GC 소멸·종료 drain 누락 방지)."""
    import inspect
    src = inspect.getsource(pf)
    code = [l for l in src.splitlines()
            if "asyncio.create_task(" in l and not l.lstrip().startswith("#") and "(실시간" not in l]
    assert code == []


def test_spawn_tracked_keeps_strong_ref_and_clears():
    from app.core import background_tasks as bt

    async def _go():
        ev = asyncio.Event()

        async def _w():
            await ev.wait()

        t = bt.spawn_tracked_v2(_w())
        assert t in bt._tracked
        ev.set()
        await t
        await asyncio.sleep(0)
        assert t not in bt._tracked

    asyncio.run(_go())