"""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)