"""vol_live 모니터 에쿼티·B&H 테스트."""

from __future__ import annotations

import sys
from pathlib import Path

import pandas as pd
import pytest

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "src"))

from bithumb.operations.vol_live_monitor import (
    build_multi_buyhold_series,
    build_spot_strategy_equity_series,
)


def test_multi_buyhold_thirds() -> None:
    """3종목 1/3씩 B&H — 한 종목만 10% 상승 시 포트폴리오 +3.33% 근사."""
    panel = pd.DataFrame({
        "datetime": pd.to_datetime(["2026-06-01 10:00:00", "2026-06-01 10:15:00"]),
        "TRX": [100.0, 110.0],
        "NEAR": [200.0, 200.0],
        "WLD": [300.0, 300.0],
    })
    bh = build_multi_buyhold_series(panel, ["TRX", "NEAR", "WLD"], seed_krw=300_000.0)
    assert bh[0]["value"] == 0.0
    assert bh[1]["value"] == pytest.approx(3.3333, rel=1e-3)


def test_strategy_replay_buy_sell() -> None:
    panel = pd.DataFrame({
        "datetime": pd.to_datetime(["2026-06-01 10:00:00", "2026-06-01 10:15:00"]),
        "TRX": [100.0, 110.0],
        "NEAR": [200.0, 200.0],
        "WLD": [300.0, 300.0],
    })
    trades = [
        {
            "symbol": "TRX",
            "side": "buy",
            "ts": "2026-06-01 10:05:00",
            "order_krw": 100_000.0,
            "order_coin": 1000.0,
            "price": 100.0,
        },
    ]
    curve = build_spot_strategy_equity_series(
        panel,
        ["TRX", "NEAR", "WLD"],
        trades,
        seed_krw=300_000.0,
        current_equity=310_000.0,
        window_start=pd.Timestamp("2026-06-01 10:00:00"),
    )
    assert curve[0]["value"] == 0.0
    assert curve[-1]["value"] == pytest.approx(3.3333, rel=1e-2)


def test_write_vol_monitor_html_no_format_error(tmp_path: Path) -> None:
    import re

    from bithumb.operations.vol_monitor_chart import write_vol_monitor_html

    out = tmp_path / "vol_live_monitor.html"
    write_vol_monitor_html(out)
    text = out.read_text(encoding="utf-8")
    assert "/api/chart" in text
    assert "equityChart" in text
    js = re.search(r"<script>(.*)</script>", text, re.S)
    assert js is not None
    js_path = tmp_path / "monitor.js"
    js_path.write_text(js.group(1), encoding="utf-8")
    import subprocess

    subprocess.run(["node", "--check", str(js_path)], check=True, capture_output=True)


def test_candles_api_payload_filters_and_limits(monkeypatch) -> None:
    """/api/candles — 허용 종목·분봉 검증, max_bars 제한, 최신봉 순서."""
    from types import SimpleNamespace

    from bithumb.operations import vol_live_monitor as m

    df = pd.DataFrame({
        "datetime": pd.date_range("2026-06-01 10:00:00", periods=5, freq="5min"),
        "open": [1.0, 2.0, 3.0, 4.0, 5.0],
        "high": [1.5, 2.5, 3.5, 4.5, 5.5],
        "low": [0.5, 1.5, 2.5, 3.5, 4.5],
        "close": [1.2, 2.2, 3.2, 4.2, 5.2],
        "volume": [1, 1, 1, 1, 1],
    })
    monkeypatch.setattr(m, "load_last_candles", lambda _db, _sym, _iv, n: df.tail(int(n)).reset_index(drop=True))
    settings = SimpleNamespace(
        db_path="x.db",
        ops_symbols=["TRX"],
        vol_monitor_symbols=["XRP", "TRX"],
        vol_monitor_intervals=[1, 5, 15],
        vol_monitor_max_bars=3,
    )
    out = m.build_candles_api_payload(settings, "trx", "5")
    assert out["ok"] and out["symbol"] == "TRX" and out["interval"] == 5
    assert out["count"] == 3 and out["label"] == "5분"
    assert [c["close"] for c in out["candles"]] == [3.2, 4.2, 5.2]
    assert out["last"] == "2026-06-01 10:20:00"

    assert not m.build_candles_api_payload(settings, "BTC", 5)["ok"]
    assert not m.build_candles_api_payload(settings, "TRX", 7)["ok"]
    assert not m.build_candles_api_payload(settings, "TRX", "abc")["ok"]