// ==================== 辅助函数（格式化） ====================
function formatTimestamp(ms) {
    if (!ms || ms === 0) return '—';
    try { return new Date(parseInt(ms)).toLocaleString('zh-CN', { hour12: false }); } catch(e) { return ms; }
}

function formatPrice(v) {
    if (v === undefined || v === null) return '—';
    let n = parseFloat(v);
    if (isNaN(n)) return v;
    if (Math.abs(n) > 1e6) return n.toFixed(2);
    if (Math.abs(n) > 1) return n.toFixed(4);
    return n.toFixed(8);
}

function copyToClipboard(text, successMsg) {
    navigator.clipboard.writeText(text).then(() => {
        alert(successMsg || '已复制到剪贴板');
    }).catch(err => {
        console.error('复制失败:', err);
        alert('复制失败，请手动复制');
    });
}

function tableToText(tableElement) {
    const rows = tableElement.querySelectorAll('tr');
    let textRows = [];
    rows.forEach(row => {
        const cells = row.querySelectorAll('th, td');
        const cellTexts = Array.from(cells).map(cell => {
            if (cell.querySelector('button')) return '';
            return cell.innerText.trim();
        }).filter(t => t !== '');
        if (cellTexts.length > 0) textRows.push(cellTexts.join('\t'));
    });
    return textRows.join('\n');
}

// ==================== 公共排序函数 ====================
/**
 * 对币种符号数组进行排序（按预设顺序：BTC, ETH, SOL, LINK, AVAX, BNB, LTC）
 * @param {Array} symbols 币种符号数组
 * @returns {Array} 排序后的数组
 */
function sortSymbols(symbols) {
    const orderHint = ['BTCUSDT', 'ETHUSDT', 'SOLUSDT', 'LINKUSDT', 'AVAXUSDT', 'BNBUSDT', 'LTCUSDT'];
    return symbols.sort((a, b) => {
        let ia = orderHint.indexOf(a), ib = orderHint.indexOf(b);
        if (ia !== -1 && ib !== -1) return ia - ib;
        if (ia !== -1) return -1;
        if (ib !== -1) return 1;
        return a.localeCompare(b);
    });
}

// ==================== 动态指标卡片常量 ====================
const MACRO_ITEMS = [
    ['macro_close_4h', 'MACRO BTC 4H 收盘价', ''],
    ['macro_ema200_4h', 'MACRO BTC 4H EMA200', ''],
    ['macro_adx_4h', 'MACRO BTC 4H ADX', ''],
    ['macro_drop_4h_pct', 'MACRO BTC 4H 跌幅 (%)', '%'],
    ['macro_rsi_prelim_4h', 'MACRO BTC 4H RSI (初步筛选)', ''],
    ['macro_ema20_4h', 'MACRO BTC 4H EMA20', ''],
    ['macro_ema50_4h', 'MACRO BTC 4H EMA50', ''],
    ['macro_ema100_4h', 'MACRO BTC 4H EMA100', ''],
    ['macro_volume_4h', 'MACRO BTC 4H 成交量', ''],
    ['macro_macd_line_1h', 'MACRO BTC 1H MACD 线', ''],
    ['macro_macd_signal_1h', 'MACRO BTC 1H MACD 信号线', ''],
    ['macro_adx_1h', 'MACRO BTC 1H ADX (L1)', ''],
    ['macro_volume_1h', 'MACRO BTC 1H 成交量', ''],
    ['macro_vol_sma20_1h', 'MACRO BTC 1H 成交量SMA20', ''],
    ['macro_pivot_high_15m', 'MACRO BTC 15m Pivot High', ''],
    ['macro_pivot_low_15m', 'MACRO BTC 15m Pivot Low', ''],
    ['macro_volume_5m', 'MACRO BTC 5m 成交量', ''],
    ['macro_vol_sma20_5m', 'MACRO BTC 5m 成交量SMA20', ''],
    ['macro_pivot_high_5m', 'MACRO BTC 5m Pivot High', ''],
    ['macro_pivot_low_5m', 'MACRO BTC 5m Pivot Low', '']
];

const CURRENT_ITEMS = [
    ['current_close_4h', 'CURRENT 4H 收盘价', ''],
    ['current_ema20_4h', 'CURRENT 4H EMA20', ''],
    ['current_ema50_4h', 'CURRENT 4H EMA50', ''],
    ['current_ema100_4h', 'CURRENT 4H EMA100', ''],
    ['current_volume_4h', 'CURRENT 4H 成交量', ''],
    ['current_quoteVolume_4h', 'CURRENT 4H 成交额', ''],
    ['current_rsi14_4h', 'CURRENT 4H RSI14', ''],
    ['current_drop_4h_pct', 'CURRENT 4H 跌幅 (%)', '%'],
    ['current_trend_4h', 'CURRENT 4H 趋势', ''],
    ['current_close_1h', 'CURRENT 1H 收盘价', ''],
    ['current_ema20_1h', 'CURRENT 1H EMA20', ''],
    ['current_ema50_1h', 'CURRENT 1H EMA50', ''],
    ['current_ema100_1h', 'CURRENT 1H EMA100', ''],
    ['current_volume_1h', 'CURRENT 1H 成交量', ''],
    ['current_vol_sma20_1h', 'CURRENT 1H 成交量SMA20', ''],
    ['current_rsi14_1h', 'CURRENT 1H RSI14', ''],
    ['current_macd_line_1h', 'CURRENT 1H MACD 线', ''],
    ['current_macd_signal_1h', 'CURRENT 1H MACD 信号线', ''],
    ['current_macd_hist_1h', 'CURRENT 1H MACD 柱', ''],
    ['current_adx_1h', 'CURRENT 1H ADX', ''],
    ['current_trend_1h', 'CURRENT 1H 趋势', ''],
    ['current_close_5m', 'CURRENT 5m 收盘价', ''],
    ['current_volume_5m', 'CURRENT 5m 成交量', ''],
    ['current_vol_sma20_5m', 'CURRENT 5m 成交量SMA20', ''],
    ['current_rsi14_5m', 'CURRENT 5m RSI (L2)', ''],
    ['current_atr14_5m', 'CURRENT 5m ATR(14)', ''],
    ['current_atr_sma20_5m', 'CURRENT 5m ATR SMA20', ''],
    ['current_recent_low20_5m', 'CURRENT 5m 近期低点(20)', ''],
    ['current_avg_body20_5m', 'CURRENT 5m 平均实体(20)', ''],
    ['current_pivot_high_5m', 'CURRENT 5m Pivot High', ''],
    ['current_pivot_low_5m', 'CURRENT 5m Pivot Low', ''],
    ['current_prev_pivot_high_5m', 'CURRENT 5m 前一Pivot High', ''],
    ['current_prev_pivot_low_5m', 'CURRENT 5m 前一Pivot Low', ''],
    ['current_big_green_5m', 'CURRENT 5m 大阳线', '', 'bool'],
    ['current_flash_move_5m', 'CURRENT 5m 急跌', '', 'bool'],
    ['current_pivot_low_15m', 'CURRENT 15m Pivot Low', ''],
    ['current_prev_pivot_low_15m', 'CURRENT 15m 前一Pivot Low', ''],
    ['current_L1_total_score', 'CURRENT L1 总分', ''],
    ['current_L2_total_score', 'CURRENT L2 总分', ''],
    ['current_L1_go', 'CURRENT L1 通过', '', 'bool'],
    ['current_L2_go', 'CURRENT L2 通过', '', 'bool']
];