"""[R8] 빈 계좌 응답 후 swing 사이클 정지 시에도 stale fail-safe 가 작동해야 한다."""
from datetime import datetime, timedelta

import pytest

from app.core.config import settings
from app.core import market_schedule as ms
from app.services import mdd_manager as mm


def _make(monkeypatch, now):
    monkeypatch.setattr(settings, "MDD_BLIND_BLOCK_ENTRY", True)
    monkeypatch.setattr(ms, "is_market_open", lambda *a, **k: True)
    monkeypatch.setattr(mm.MDDManager, "_now_kst_v2", staticmethod(lambda: now[0]))
    return mm.MDDManager()


@pytest.mark.asyncio
async def test_empty_account_then_stalled_blocks_entry(monkeypatch):
    t0 = datetime(2026, 10, 12, 10, 0, tzinfo=ms.KST)
    now = [t0]
    m = _make(monkeypatch, now)
    stale = mm._stale_sec_v2()
    assert stale > 0
    await m.record_update_success(empty_account=True)
    now[0] = t0 + timedelta(seconds=stale - 1)
    assert await m.can_open_new_position() is True
    now[0] = t0 + timedelta(seconds=stale + 1)
    assert await m.can_open_new_position() is False


@pytest.mark.asyncio
async def test_empty_account_exempt_from_failure_counter(monkeypatch):
    t0 = datetime(2026, 10, 12, 10, 0, tzinfo=ms.KST)
    m = _make(monkeypatch, [t0])
    await m.record_update_success(empty_account=True)
    m._update_failures = int(settings.MDD_BLIND_FAILURE_THRESHOLD) + 3
    assert await m.can_open_new_position() is True