"""R9 E-2/E-5/E-6: 첫 하트비트 유예 판정, config 키 선언 동일성, 소규모 수정."""
import asyncio

import pytest

import app.main as m
from app.core import heartbeat as hb
from app.core.config import settings, Settings


class _T:
    def __init__(self, done=False):
        self._d = done

    def done(self):
        return self._d


def _app(alive=True):
    a = type("A", (), {})()
    a.state = type("S", (), {})()
    for attr in ("swing_task", "dt_task"):
        setattr(a.state, attr, _T(not alive))
    return a


@pytest.fixture(autouse=True)
def _reset_hb(monkeypatch):
    monkeypatch.setattr(m, "_scheduler_tasks", {"swing": "swing_task", "daytrading": "dt_task"})
    hb.reset()
    yield
    hb.reset()


def test_no_first_beat_after_grace_in_market_is_stale():
    over = settings.HB_FIRST_BEAT_GRACE_SEC + 100
    h = m._scheduler_health_v3(_app(), now=1.0e6, market_open=True, uptime_sec=over)
    for name in m._HEARTBEAT_WATCHED:
        assert h[name]["stale"] is True and h[name]["no_first_beat"] is True


def test_no_first_beat_within_grace_is_normal():
    under = settings.HB_FIRST_BEAT_GRACE_SEC - 500
    h = m._scheduler_health_v3(_app(), now=1.0e6, market_open=True, uptime_sec=under)
    for name in m._HEARTBEAT_WATCHED:
        assert h[name]["stale"] is False and h[name]["no_first_beat"] is False


def test_no_first_beat_off_hours_is_normal():
    over = settings.HB_FIRST_BEAT_GRACE_SEC + 100
    h = m._scheduler_health_v3(_app(), now=1.0e6, market_open=False, uptime_sec=over)
    assert all(v["stale"] is False for v in h.values())


def test_beat_present_not_flagged_as_no_first_beat():
    hb.beat("swing")
    over = settings.HB_FIRST_BEAT_GRACE_SEC + 100
    h = m._scheduler_health_v3(_app(), market_open=True, uptime_sec=over)
    assert h["swing"]["no_first_beat"] is False and h["swing"]["stale"] is False


def test_v2_signature_and_behavior_unchanged():
    h = m._scheduler_health_v2(_app(), now=1.0e6, market_open=True)
    assert "no_first_beat" not in h["swing"] and h["swing"]["stale"] is False


# ── E-5: 선언된 config 키 값이 소비처 기본값과 동일 ──────────────────────────
def _mod_default(modname, const):
    import importlib
    return getattr(importlib.import_module(modname), const)


@pytest.mark.parametrize("key,const_mod,const", [
    ("NEWS_EMPTY_ALERT_THRESHOLD", "app.services.news_sentiment", "_EMPTY_ALERT_DEFAULT"),
])
def test_declared_keys_match_consumer_defaults(key, const_mod, const):
    assert key in Settings.model_fields
    assert getattr(settings, key) == _mod_default(const_mod, const)


@pytest.mark.parametrize("key,expected", [
    ("KIS_WS_MAX_REGISTRATIONS", 41), ("RISK_MAX_DAILY_LOSS_RATIO", 0.03), ("RISK_MAX_CONSECUTIVE_LOSSES", 3),
    ("SWING_ADAPTIVE_TRAILING_ENABLED", False), ("MEAN_REVERSION_RULE_MERGE_ENABLED", False),
    ("HB_FIRST_BEAT_GRACE_SEC", 600.0),
])
def test_declared_keys_literal_defaults(key, expected):
    assert getattr(settings, key) == expected


@pytest.mark.parametrize("key", [
    "KIS_WS_ORIGIN", "KIS_WS_SUBPROTOCOLS",
    "BATCH_ANALYSIS_TIMEOUT_SEC", "ZERO_BUY_ALERT_HOURS",
])
def test_declared_none_keys_preserve_none_semantics(key):
    assert key in Settings.model_fields
    assert getattr(settings, key) is None


def test_cors_origins_stays_undeclared():
    """.env 에 값이 있어 선언하면 CORS 동작이 바뀐다 — 선언 금지 회귀 가드."""
    assert "CORS_ORIGINS" not in Settings.model_fields


# ── E-6 ────────────────────────────────────────────────────────────────────
def test_trailing_stop_uses_resolved_multiplier(monkeypatch):
    import app.services.trade_helpers as th
    monkeypatch.setattr(th, "resolve_swing_trailing_atr_mult_v2", lambda: 2.0)
    import inspect
    src = inspect.getsource(th)
    assert "high_price - 1.5 * atr" not in src
    assert "resolve_swing_trailing_atr_mult_v2() * atr" in src