import asyncio
import httpx
import pytest
from app.services import naver_finance as nf


@pytest.fixture(autouse=True)
def _reset():
    for k in nf._naver_close_stats:
        nf._naver_close_stats[k] = 0


def test_tick_validity():
    assert nf.is_krx_tick_valid(274500)  # 500 단위 아님 -> 아래 확인
    assert not nf.is_krx_tick_valid(274750)
    assert not nf.is_krx_tick_valid(1837500)
    assert nf.is_krx_tick_valid(1837000)
    assert not nf.is_krx_tick_valid(30075)
    assert nf.is_krx_tick_valid(30050)
    assert not nf.is_krx_tick_valid(0)


def test_annotate_keeps_values_and_counts():
    rows = [{"stck_clpr": "274750"}, {"stck_clpr": "274500"}]
    out = nf.annotate_naver_bars_v2(rows)
    assert out[0]["stck_clpr"] == "274750" and out[0]["krx_tick_ok"] is False
    assert out[1]["krx_tick_ok"] is True
    q = nf.get_naver_close_quality()
    assert q["checked"] == 2 and q["off_tick"] == 1 and q["off_tick_ratio"] == 0.5


def test_etf_skipped():
    rows = [{"stck_clpr": "10005"}]
    nf.annotate_naver_bars_v2(rows, is_etf=True)
    assert "krx_tick_ok" not in rows[0]


def test_compare_with_krx():
    nv = [{"stck_bsop_date": "20260929", "stck_clpr": "318000"},
          {"stck_bsop_date": "20260930", "stck_clpr": "100"}]
    krx = [{"stck_bsop_date": "20260929", "stck_clpr": "315500"}]
    r = nf.compare_naver_with_krx_v2(nv, krx)
    assert r == {"compared": 1, "mismatch": 1}
    assert nv[0]["krx_close_mismatch"] is True
    assert "krx_close_mismatch" not in nv[1]
    assert nf.get_naver_close_quality()["krx_mismatch_ratio"] == 1.0


def test_chart_fn_annotates_without_network():
    body = '[["날짜","시가","고가","저가","종가","거래량"],\n["20260930","1","1","1","274750","10"],\n]'
    def handler(req):
        return httpx.Response(200, text=body)
    async def run():
        async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as c:
            return await nf.get_naver_daily_chart("005930", days=5, client=c)
    res = asyncio.run(run())
    assert res[0]["stck_clpr"] == "274750" and res[0]["krx_tick_ok"] is False


def _fetch(code, **kw):
    body = '[["날짜","시가","고가","저가","종가","거래량"],\n["20260930","1","1","1","109530","10"],\n]'
    def handler(req):
        return httpx.Response(200, text=body)
    async def run():
        async with httpx.AsyncClient(transport=httpx.MockTransport(handler)) as c:
            return await nf.get_naver_daily_chart_v2(code, days=5, client=c, **kw)
    return asyncio.run(run())


def test_benchmark_and_registered_etf_not_counted():
    res = _fetch("069500")
    assert "krx_tick_ok" not in res[0]
    nf.register_etf_codes_v2(["069660"])
    try:
        res = asyncio.run(_wrap("069660"))
        assert "krx_tick_ok" not in res[0]
    finally:
        nf._registered_etf_codes.discard("069660")
    assert nf.get_naver_close_quality()["checked"] == 0


async def _wrap(code):
    body = '[["날짜","시가","고가","저가","종가","거래량"],\n["20260930","1","1","1","109530","10"],\n]'
    async with httpx.AsyncClient(transport=httpx.MockTransport(lambda r: httpx.Response(200, text=body))) as c:
        return await nf.get_naver_daily_chart("069660", days=5, client=c)


def test_explicit_is_etf_and_stock_counted():
    assert "krx_tick_ok" not in _fetch("005930", is_etf=True)[0]
    assert _fetch("005930")[0]["krx_tick_ok"] is False
    assert nf.get_naver_close_quality()["checked"] == 1


def test_quality_alert():
    assert nf.naver_close_quality_alert_v2() is None
    nf._naver_close_stats.update(krx_compared=100, krx_mismatch=30)
    assert "30/100" in nf.naver_close_quality_alert_v2()