"""Safety-sell watchdog-ownership + fire visibility tests (dcy-017 / REQ-037, issue #12)."""
from __future__ import annotations

import logging
from datetime import datetime, timedelta, timezone
from decimal import Decimal

from trex_core.application.safety_sell import SafetySellService
from trex_core.application.watchdog import WatchdogStore
from trex_core.domain.slot import SlotService, SlotState
from trex_core.domain.slot.in_memory_repository import InMemorySlotRepository
from trex_core.runtime.config import SafetySellConfig

_NOW = datetime(2026, 6, 7, 6, 0, 0, tzinfo=timezone.utc)


class _FakeBroker:
    def __init__(self):
        self.prices = {}

    def name(self): return "fake"
    def submit_order(self, req): ...
    def poll_fill(self, *a, **k): ...
    def cancel_order(self, *a, **k): ...
    def get_balance(self): return []
    def get_current_price(self, symbol): return self.prices.get(symbol)


def _cfg(**over):
    base = dict(watchdog_timeout_sec=120, watchdog_grace_period_sec=0,
                forced_close_check_interval_sec=60, stop_loss_poll_interval_sec=30,
                market_close_liquidation_time=None)
    base.update(over)
    return SafetySellConfig(**base)


def _wire(**cfg_over):
    repo = InMemorySlotRepository()
    svc = SlotService(repo, instance_key="inst-1")
    broker = _FakeBroker()
    watchdog = WatchdogStore()
    service = SafetySellService(
        slot_repo=repo, slot_service=svc, broker=broker, watchdog=watchdog,
        config=_cfg(**cfg_over), instance_key="inst-1",
    )
    return repo, svc, broker, watchdog, service


def _holding(svc, repo, *, symbol="005930", **fields):
    from uuid import uuid4
    pid = f"pf-{uuid4().hex[:8]}"
    repo.reconcile_universe("inst-1", {pid: "SYM"})
    slot = repo.find_slot_by_portfolio("inst-1", pid)
    p = svc.transit_slot(slot.slot_id, SlotState.INACTIVE, SlotState.PENDING_BUY,
                         reason="buy", actor="t", symbol=symbol, **fields)
    return svc.transit_slot(p.slot_id, SlotState.PENDING_BUY, SlotState.HOLDING,
                            reason="filled", actor="t", avg_price=50000.0, qty=1.0)


def test_watchdog_ownership_entry_warns(caplog):
    repo, svc, broker, watchdog, service = _wire()
    slot = _holding(svc, repo)  # never polled => watchdog-expired (strategy absent)
    with caplog.at_level(logging.WARNING):
        service._update_ownership(_NOW)
    assert service.counters.get("owned:enter") == 1
    rec = [r for r in caplog.records if "watchdog ownership entered" in r.message]
    assert rec and str(slot.slot_id) in rec[0].message and "inst-1" in rec[0].message


def test_watchdog_ownership_exit_on_return(caplog):
    repo, svc, broker, watchdog, service = _wire()
    slot = _holding(svc, repo)
    service._update_ownership(_NOW)            # enter (expired)
    watchdog.update(str(slot.slot_id))          # strategy returns (polls)
    with caplog.at_level(logging.INFO):
        service._update_ownership(_NOW)        # exit
    assert service.counters.get("owned:exit") == 1
    assert any("watchdog ownership released" in r.message for r in caplog.records)


def test_no_ownership_churn_when_stable():
    repo, svc, broker, watchdog, service = _wire()
    _holding(svc, repo)
    service._update_ownership(_NOW)
    service._update_ownership(_NOW)            # same set => no new enter
    assert service.counters.get("owned:enter") == 1


def test_forced_close_fire_logs_warn(caplog):
    repo, svc, broker, watchdog, service = _wire()
    slot = _holding(svc, repo, forced_close_at=_NOW - timedelta(seconds=1))
    with caplog.at_level(logging.WARNING):
        fired = service.check_forced_close(_NOW)
    assert slot.slot_id in fired
    assert service.counters.get("fire:forced_close_at") == 1
    rec = [r for r in caplog.records if "safety-sell fired" in r.message
           and r.levelno == logging.WARNING]
    assert rec and "forced_close_at" in rec[0].message and "inst-1" in rec[0].message


def test_fire_log_exposes_reason_and_actor(caplog):
    """REQ-086 (dcy-029): safety-sell 청산 로그가 reason+actor 를 함께 노출."""
    repo, svc, broker, watchdog, service = _wire()
    _holding(svc, repo, forced_close_at=_NOW - timedelta(seconds=1))
    with caplog.at_level(logging.WARNING):
        service.check_forced_close(_NOW)
    rec = [r for r in caplog.records if "safety-sell fired" in r.message]
    assert rec
    msg = rec[0].message
    assert "reason=forced_close_at" in msg
    assert "actor=trex-safety-sell" in msg  # 안전망 자율청산 구분


def test_take_profit_fire_logs_info(caplog):
    repo, svc, broker, watchdog, service = _wire()
    slot = _holding(svc, repo, take_profit_price=Decimal("60000"))
    broker.prices["005930"] = Decimal("61000")
    with caplog.at_level(logging.INFO):
        fired = service.check_prices(_NOW)
    assert slot.slot_id in fired
    assert service.counters.get("fire:take_profit") == 1
    rec = [r for r in caplog.records if "safety-sell fired" in r.message]
    assert rec and rec[0].levelno == logging.INFO  # take_profit is INFO (OQ-2)


def test_grace_period_suppresses_ownership():
    repo, svc, broker, watchdog, service = _wire(watchdog_grace_period_sec=9999)
    _holding(svc, repo)
    service._update_ownership(_NOW)
    assert service.counters.get("owned:enter") is None  # grace => no judgement