"""R3: 섹터 캐시 건강도·자동 갱신 회귀 테스트 (네트워크는 예외 발생형 목)."""
import asyncio
import json
import logging
from datetime import datetime, timedelta, timezone

import pytest

from app.services import sector_mapper as sm


@pytest.fixture(autouse=True)
def _iso(monkeypatch, tmp_path):
    monkeypatch.setenv("AUTOSTOCK_SECTOR_CACHE_PATH", str(tmp_path / "sector_map.json"))
    monkeypatch.setattr(sm, "_cache_payload", {})
    monkeypatch.setattr(sm, "_cache_sectors", {})
    monkeypatch.setattr(sm, "_cache_industries", {})
    monkeypatch.setattr(sm, "_cache_mtime", -1.0)

    def _boom(*a, **k):
        raise AssertionError("network blocked")
    monkeypatch.setattr(sm, "_fetch_json", _boom)


def _write(tmp_path, days_old):
    ts = (datetime.now(timezone.utc) - timedelta(days=days_old)).isoformat()
    (tmp_path / "sector_map.json").write_text(
        json.dumps({"updated_at": ts, "sectors": {"000001": "finance"}}), encoding="utf-8")


def test_missing_cache_is_unhealthy_and_logs_error(caplog):
    with caplog.at_level(logging.ERROR):
        h = sm.log_cache_health_v2()
    assert not h["ok"] and h["reason"] == "missing"
    assert any("섹터 캐시" in r.message for r in caplog.records)


def test_fresh_cache_ok(tmp_path):
    _write(tmp_path, 1)
    h = sm.get_cache_health_v2()
    assert h["ok"] and not h["stale"] and h["stocks"] == 1


def test_stale_cache_flagged(tmp_path):
    _write(tmp_path, sm.SECTOR_CACHE_MAX_AGE_DAYS + 2)
    h = sm.get_cache_health_v2()
    assert not h["ok"] and h["reason"] == "stale"


def test_next_delay_skips_weekend():
    kst = timezone(timedelta(hours=9))
    fri_after = datetime(2026, 10, 9, 9, 0, tzinfo=kst)  # 금요일 09:00
    d = sm._next_refresh_delay_v2(fri_after)
    target = fri_after + timedelta(seconds=d)
    assert target.weekday() == 0 and (target.hour, target.minute) == (8, 30)


def test_scheduler_refreshes_immediately_when_missing(monkeypatch):
    calls = []

    async def fake_refresh(**kw):
        calls.append(1)
        raise asyncio.CancelledError  # 1회 호출 후 루프 종료

    monkeypatch.setattr(sm, "refresh_sector_map", fake_refresh)
    with pytest.raises(asyncio.CancelledError):
        asyncio.run(sm.sector_map_refresh_scheduler())
    assert calls == [1]