/* Copyright (c) 2025-2026 马建军. All rights reserved.
 * 详见 LICENSE.zh-CN.txt
 */
(function () {
    'use strict';

    var posBody = document.getElementById('dash-positions-body');
    var keysBody = document.getElementById('dash-keys-body');
    var closesBody = document.getElementById('dash-closes-body');
    var equityEl = document.getElementById('dash-equity');
    var marginEl = document.getElementById('dash-margin');
    var availEl = document.getElementById('dash-available');
    var ctpBadge = document.getElementById('dash-ctp-badge');
    var modeBadge = document.getElementById('dash-mode-badge');
    var updatedEl = document.getElementById('dash-updated');
    var riskReasonEl = document.getElementById('dash-risk-reason');
    var riskGridEl = document.getElementById('dash-risk-grid');
    var riskCardEl = document.getElementById('dash-risk-card');
    var riskToggleEl = document.getElementById('dash-risk-toggle');
    var riskBodyEl = document.getElementById('dash-risk-body');
    var posMobileList = document.getElementById('dash-pos-mobile-list');
    var keysMobileList = document.getElementById('dash-keys-mobile-list');
    var closesMobileList = document.getElementById('dash-closes-mobile-list');
    var detailModal = document.getElementById('dash-detail-modal');
    var detailTitleEl = document.getElementById('dash-detail-title');
    var detailGridEl = document.getElementById('dash-detail-grid');
    var detailCloseBtn = document.getElementById('dash-detail-close');

    var pollTimer = null;
    var pollInFlight = false;
    var pollFailStreak = 0;
    var positionSource = null;
    var posRowCache = {};
    var posRenderSig = '';
    var posMobileCache = {};
    var keysMobileCache = {};
    var closesMobileCache = {};
    var lastPosRows = [];
    var lastKeyRows = [];
    var lastKeyIds = '';
    var lastCloseHeadId = null;
    var lastRiskPayload = null;

    function isPhoneLayout() {
        var root = document.documentElement;
        return root.dataset.layout === 'phone' || root.classList.contains('layout-phone')
            || root.dataset.mobile === '1';
    }

    function isTabletLayout() {
        var root = document.documentElement;
        return root.dataset.layout === 'tablet' || root.classList.contains('layout-tablet');
    }

    function shouldCollapseRiskDefault() {
        return isPhoneLayout() || isTabletLayout();
    }

    function syncRiskCollapseUi() {
        if (!riskCardEl || !riskToggleEl) return;
        var expanded = riskCardEl.classList.contains('is-expanded');
        riskToggleEl.setAttribute('aria-expanded', expanded ? 'true' : 'false');
    }

    function initRiskToggle() {
        if (!riskCardEl || !riskToggleEl) return;
        if (shouldCollapseRiskDefault()) {
            riskCardEl.classList.remove('is-expanded');
        } else {
            riskCardEl.classList.add('is-expanded');
        }
        syncRiskCollapseUi();
        function toggleRisk() {
            riskCardEl.classList.toggle('is-expanded');
            syncRiskCollapseUi();
        }
        riskToggleEl.addEventListener('click', function (ev) {
            if (ev.target && ev.target.closest('.dash-risk-doc-link')) return;
            toggleRisk();
        });
        riskToggleEl.addEventListener('keydown', function (ev) {
            if (ev.key === 'Enter' || ev.key === ' ') {
                ev.preventDefault();
                toggleRisk();
            }
        });
    }

    function isBreakevenLocked(row) {
        if (!row) return false;
        if (row.breakeven_locked) return true;
        if ((row.trailing_r_locked || 0) >= 1) return true;
        if (row.stop_loss == null || row.entry_price == null) return false;
        var entry = Number(row.entry_price);
        var sl = Number(row.stop_loss);
        if (isNaN(entry) || isNaN(sl) || entry <= 0) return false;
        var tick = Number(row.tick_size) || Math.max(Math.abs(entry) * 1e-6, 0.01);
        var beMult = 2;
        var dir = (row.direction || 'long').toString().toLowerCase();
        var expectedBe = dir === 'short' ? entry - beMult * tick : entry + beMult * tick;
        var tol = beMult * tick + tick * 0.05;
        if (Math.abs(sl - expectedBe) <= tol) return true;
        var buf = tick * Math.max(2, beMult);
        if (Math.abs(sl - entry) > buf + tick) return false;
        return dir === 'short' ? sl <= entry + tick * 0.05 : sl >= entry - tick * 0.05;
    }

    function breakevenBadgeHtml(row) {
        return isBreakevenLocked(row)
            ? ' <span class="badge profit dash-be-badge">已保本</span>' : '';
    }

    function openDetailModal(title, items) {
        if (!detailModal || !detailGridEl || !detailTitleEl) return;
        detailTitleEl.textContent = title || '详情';
        detailGridEl.innerHTML = (items || []).map(function (it) {
            var cls = it.wide ? ' item wide' : ' item';
            return (
                '<div class="' + cls.trim() + '">' +
                '<label>' + escHtml(it.label) + '</label>' +
                '<div>' + (it.html != null ? it.html : escHtml(it.value)) + '</div>' +
                '</div>'
            );
        }).join('');
        detailModal.hidden = false;
        detailModal.classList.add('show');
    }

    function closeDetailModal() {
        if (!detailModal) return;
        detailModal.hidden = true;
        detailModal.classList.remove('show');
    }

    function initDetailModal() {
        if (detailCloseBtn) detailCloseBtn.addEventListener('click', closeDetailModal);
        if (detailModal) {
            detailModal.addEventListener('click', function (ev) {
                if (ev.target === detailModal) closeDetailModal();
            });
        }
    }

    function fmtNum(v, digits) {
        if (v === null || v === undefined || v === '') return '—';
        var n = Number(v);
        if (isNaN(n)) return '—';
        if (digits != null) return n.toFixed(digits);
        var s = n.toFixed(2);
        return s.replace(/\.?0+$/, function (m) { return m === '.00' ? '.00' : ''; });
    }

    function fmtMoney(v) {
        if (v === null || v === undefined) return '—';
        return fmtNum(v, 2) + ' 元';
    }

    function fmtPnl(v) {
        if (v === null || v === undefined) return '—';
        var n = Number(v);
        if (isNaN(n)) return '—';
        return (n >= 0 ? '+' : '') + fmtNum(n, 2) + ' 元';
    }

    function pnlClass(v) {
        if (v === null || v === undefined) return '';
        var n = Number(v);
        if (isNaN(n) || n === 0) return '';
        return n > 0 ? 'pnl-pos' : 'pnl-neg';
    }

    function escHtml(s) {
        return String(s || '')
            .replace(/&/g, '&amp;')
            .replace(/</g, '&lt;')
            .replace(/>/g, '&gt;')
            .replace(/"/g, '&quot;');
    }

    function slText(row) {
        if (row.trailing_be && row.stop_loss == null) return '移动保本';
        if (row.stop_loss != null) return fmtNum(row.stop_loss);
        return '—';
    }

    function tpText(row) {
        if (row.trailing_be) return '移动保本';
        if (row.take_profit != null) return fmtNum(row.take_profit);
        return '—';
    }

    function fmtMobileLots(v) {
        var n = Number(v);
        if (isNaN(n)) return '—';
        if (Math.abs(n - Math.round(n)) < 0.001) return Math.round(n) + '手';
        return fmtNum(n) + '手';
    }

    function fmtMobilePrice(v) {
        if (v == null || v === '') return '—';
        var n = Number(v);
        if (isNaN(n)) return '—';
        if (Math.abs(n - Math.round(n)) < 0.001) return String(Math.round(n));
        return fmtNum(n);
    }

    function fmtMobilePnlNum(v) {
        if (v == null || v === '') return '—';
        var n = Number(v);
        if (isNaN(n)) return '—';
        var abs = Math.abs(n);
        var s = Math.abs(abs - Math.round(abs)) < 0.01 ? String(Math.round(abs)) : fmtNum(abs);
        if (n > 0) return s;
        if (n < 0) return '-' + s;
        return '0';
    }

    function mobilePnlSpanHtml(v) {
        return '<span class="' + pnlClass(v) + '">' + escHtml(fmtMobilePnlNum(v)) + '</span>';
    }

    function mobileSummaryHtml(lots, priceLabel, price, pnl) {
        return fmtMobileLots(lots) + ' ' + priceLabel + ' ' + fmtMobilePrice(price) +
            ' 盈亏 ' + mobilePnlSpanHtml(pnl);
    }

    function mobileSymbolTitleHtml(row) {
        var name = row.symbol_name || row.symbol || '';
        var code = row.symbol_code || '';
        if (!code && row.symbol && String(row.symbol).toLowerCase() !== String(name).toLowerCase()) {
            code = row.symbol;
        }
        var exchange = row.symbol_exchange || '';
        var mainBadge = row.symbol_is_main
            ? ' <span class="badge planned dash-main-badge">主力</span>' : '';
        var titleInner = escHtml(name);
        if (exchange) {
            titleInner += ' <span class="dash-symbol-ex text-muted">' + escHtml(exchange) + '</span>';
        }
        titleInner += mainBadge;
        if (code && String(name).toLowerCase() !== String(code).toLowerCase()) {
            titleInner += ' <span class="text-accent">' + escHtml(code) + '</span>';
            titleInner += breakevenBadgeHtml(row);
            titleInner += ' ' + directionBadgeHtml(row);
        } else if (!name && code) {
            titleInner = (exchange
                ? '<span class="dash-symbol-ex text-muted">' + escHtml(exchange) + '</span> '
                : '') + '<span class="text-accent">' + escHtml(code) + '</span>';
            titleInner += breakevenBadgeHtml(row);
            titleInner += ' ' + directionBadgeHtml(row);
        } else {
            titleInner += ' ' + directionBadgeHtml(row);
            titleInner += breakevenBadgeHtml(row);
        }
        return titleInner;
    }

    function mobileItemFootHtml(summaryHtml) {
        return (
            '<div class="dash-mobile-item-foot">' +
            '<span class="dash-mobile-item-summary">' + summaryHtml + '</span>' +
            '<span class="dash-mobile-chevron">查看详情 ›</span>' +
            '</div>'
        );
    }

    function symbolCellHtml(row) {
        var name = row.symbol_name || row.symbol || '';
        var code = row.symbol_code || '';
        if (!code && row.symbol && String(row.symbol).toLowerCase() !== String(name).toLowerCase()) {
            code = row.symbol;
        }
        var exchange = row.symbol_exchange || '';
        var mainBadge = row.symbol_is_main
            ? ' <span class="badge planned dash-main-badge">主力</span>' : '';
        var titleInner = escHtml(name);
        if (exchange) {
            titleInner += ' <span class="dash-symbol-ex text-muted">' + escHtml(exchange) + '</span>';
        }
        titleInner += mainBadge;
        if (code && String(name).toLowerCase() !== String(code).toLowerCase()) {
            titleInner += ' <span class="text-accent">' + escHtml(code) + '</span>';
            titleInner += breakevenBadgeHtml(row);
        } else if (!name && code) {
            titleInner = (exchange
                ? '<span class="dash-symbol-ex text-muted">' + escHtml(exchange) + '</span> '
                : '') + '<span class="text-accent">' + escHtml(code) + '</span>';
            titleInner += breakevenBadgeHtml(row);
        } else {
            titleInner += breakevenBadgeHtml(row);
        }
        return (
            '<div class="dash-symbol-cell">' +
            '<div class="dash-symbol-title">' + titleInner + '</div>' +
            '</div>'
        );
    }

    function directionBadgeHtml(row) {
        var dir = (row.direction || 'long').toString().toLowerCase();
        var label = row.direction_label || (dir === 'short' ? '做空' : '做多');
        var cls = dir === 'short' ? 'dir dir-short' : 'dir dir-long';
        return '<span class="badge ' + cls + '">' + escHtml(label) + '</span>';
    }

    function riskMarginPctHtml(used, limit) {
        if (used == null) return escHtml('—');
        var usedCls = 'risk-margin-safe';
        if (limit != null && limit > 0) {
            var ratio = Number(used) / Number(limit);
            if (ratio >= 1) usedCls = 'risk-margin-over';
            else if (ratio >= 0.85) usedCls = 'risk-margin-warn';
        }
        var html = '<span class="' + usedCls + '">' + escHtml(fmtNum(used) + '%') + '</span>';
        if (limit != null) {
            html += ' <span class="risk-margin-sep">/</span> ' +
                '<span class="risk-margin-cap-inline">' + escHtml(fmtNum(limit) + '%') + '</span>';
        }
        return html;
    }

    function renderRiskGrid(items) {
        if (!riskGridEl) return;
        riskGridEl.innerHTML = items.map(function (it) {
            var val = it.valueHtml != null ? it.valueHtml : escHtml(it.value);
            var cls = 'dashboard-risk-value' + (it.valueClass ? ' ' + it.valueClass : '');
            return (
                '<div class="dashboard-risk-item">' +
                '<div class="dashboard-risk-label">' + escHtml(it.label) + '</div>' +
                '<div class="' + cls + '">' + val + '</div>' +
                '</div>'
            );
        }).join('');
    }

    function fmtHours(h) {
        if (h == null) return '—';
        var n = Number(h);
        if (isNaN(n)) return '—';
        if (Math.abs(n - Math.round(n)) < 0.01) return String(Math.round(n)) + 'h';
        return n.toFixed(1) + 'h';
    }

    function fmtRemainSec(sec) {
        if (sec == null || sec <= 0) return '—';
        var s = Math.max(0, Math.floor(sec));
        var h = Math.floor(s / 3600);
        var m = Math.floor((s % 3600) / 60);
        if (h > 0) return h + 'h ' + m + 'm';
        return m + 'm';
    }

    function applyRisk(risk, account) {
        if (!riskGridEl || !risk) return;
        if (risk.limits && Object.keys(risk.limits).length) {
            lastRiskPayload = risk;
        } else if (lastRiskPayload) {
            risk = {
                enabled: lastRiskPayload.enabled,
                limits: lastRiskPayload.limits,
                manual_close_count_today: lastRiskPayload.manual_close_count_today,
                margin_pct_used: lastRiskPayload.margin_pct_used,
                status: risk.status || lastRiskPayload.status,
            };
        }
        if (account && account.equity > 0 && account.margin_used != null) {
            risk.margin_pct_used = Math.round(account.margin_used / account.equity * 10000) / 100;
        }
        var lim = risk.limits || {};
        var st = risk.status || {};
        var enabled = risk.enabled !== false;
        var active = st.active_count != null ? st.active_count : '—';
        var maxPos = lim.max_active_positions != null ? lim.max_active_positions : st.max_active_positions;
        var manualCnt = risk.manual_close_count_today != null ? risk.manual_close_count_today : 0;
        var manualLim = lim.manual_close_daily_limit;
        var dailyOpens = risk.daily_open_count != null
            ? risk.daily_open_count
            : (st.daily_open_count != null ? st.daily_open_count : '—');
        var dailyPosLim = lim.daily_position_limit != null
            ? lim.daily_position_limit
            : st.daily_position_limit;
        var dailyRiskUsed = risk.daily_risk_used_pct != null
            ? risk.daily_risk_used_pct
            : st.daily_risk_used_pct;
        var dailyRiskLim = lim.daily_trading_risk_pct_limit != null
            ? lim.daily_trading_risk_pct_limit
            : st.daily_trading_risk_pct_limit;
        var dailyRiskText = dailyRiskUsed != null ? fmtNum(dailyRiskUsed) + '%' : '—';
        if (dailyRiskLim != null && dailyRiskUsed != null) {
            dailyRiskText += ' / ' + fmtNum(dailyRiskLim) + '%';
        } else if (dailyRiskLim != null) {
            dailyRiskText += ' / ' + fmtNum(dailyRiskLim) + '%';
        }
        var marginPct = risk.margin_pct_used;
        var maxMarginPct = lim.max_margin_pct;
        var rollMaxPct = lim.roll_max_margin_pct;
        var isSingleMode = lim.position_mode === 'single'
            || (maxPos != null && Number(maxPos) <= 1);
        var compositeCapLabel = isSingleMode ? '滚仓保证金上限' : '多仓保证金上限';

        if (riskReasonEl) {
            var reason = st.reason || (enabled ? '可新开仓' : '风控已关闭');
            riskReasonEl.textContent = (st.status_label ? st.status_label + ' · ' : '') + reason;
            riskReasonEl.className = 'dashboard-risk-reason';
            if (st.can_trade === false) riskReasonEl.classList.add('is-blocked');
            else if (st.can_trade) riskReasonEl.classList.add('is-ok');
        }

        var sizingDetail = lim.sizing_label || '—';
        if (lim.sizing_mode === 'amount') {
            sizingDetail += ' · ' + fmtNum(lim.fixed_amount, 0) + ' 元';
        } else if (lim.fixed_lots != null) {
            sizingDetail += ' · ' + lim.fixed_lots + ' 手';
        }

        var items = [
            {
                label: '风控开关',
                value: enabled ? '开启' : '关闭',
                valueClass: enabled ? 'risk-switch-on' : 'risk-switch-off',
            },
            { label: '持仓限制', value: active + ' / ' + (maxPos != null ? maxPos : '—') },
            { label: '日持仓限制', value: dailyOpens + ' / ' + (dailyPosLim != null ? dailyPosLim : '—') },
            { label: '日交易风险', value: dailyRiskText },
            { label: '手动平仓（冷静期触发）', value: manualCnt + ' / ' + (manualLim != null ? manualLim : '—') },
            { label: '冷静期(默认)', value: fmtHours(lim.cooling_hours_manual) },
            { label: '复盘后冷静', value: fmtHours(lim.cooling_hours_manual_journal) },
            { label: '冷静剩余', value: fmtRemainSec(st.freeze_remaining_sec) },
            {
                label: '综合保证金占比',
                valueHtml: riskMarginPctHtml(marginPct, rollMaxPct),
            },
            {
                label: '单仓保证金上限',
                value: maxMarginPct != null ? fmtNum(maxMarginPct) + '%' : '—',
                valueClass: 'risk-cap-single',
            },
            {
                label: compositeCapLabel,
                value: rollMaxPct != null ? fmtNum(rollMaxPct) + '%' : '—',
                valueClass: 'risk-cap-roll',
            },
            { label: '计仓模式', value: sizingDetail },
            { label: '交易日切', value: lim.trading_day_reset_hour != null ? lim.trading_day_reset_hour + ':00' : '—' }
        ];

        renderRiskGrid(items);
    }

    function updateCtpBadge(st) {
        if (!ctpBadge || !st) return;
        var connected = !!st.connected;
        var connecting = !!st.connecting && !(st.login_cooldown_sec > 0);
        ctpBadge.className = 'badge ' + (connected ? 'profit' : (connecting ? 'planned' : 'loss'));
        if (connected) {
            ctpBadge.textContent = 'CTP 已连接';
        } else if (connecting) {
            ctpBadge.textContent = 'CTP 连接中…';
        } else if (st.disabled_hint) {
            ctpBadge.textContent = 'CTP 自动连接已关闭';
        } else if (st.last_error) {
            ctpBadge.textContent = 'CTP 未连接';
            ctpBadge.title = st.last_error;
        } else {
            ctpBadge.textContent = 'CTP 未连接';
            ctpBadge.title = '';
        }
    }

    function applyAccount(data) {
        if (!data) return;
        var acc = data.account || {};
        var st = data.ctp_status || {};
        updateCtpBadge(st);
        if (modeBadge && data.trading_mode_label) {
            modeBadge.textContent = data.trading_mode_label;
            modeBadge.className = 'badge dir';
        }
        if (updatedEl && data.updated_at) {
            updatedEl.textContent = '更新 ' + data.updated_at;
        }
        if (equityEl) {
            equityEl.textContent = fmtMoney(acc.equity != null ? acc.equity : acc.capital_fallback);
        }
        if (marginEl) {
            marginEl.textContent = acc.margin_used != null ? fmtMoney(acc.margin_used) : '—';
        }
        if (availEl) {
            availEl.textContent = acc.available != null ? fmtMoney(acc.available) : '—';
        }
    }

    function renderKeys(keys) {
        if (!keysBody) return;
        if (!keys || !keys.length) {
            keysBody.innerHTML = '<tr><td colspan="8" class="text-muted">暂无关键位监控</td></tr>';
            return;
        }
        keysBody.innerHTML = keys.map(function (k) {
            return (
                '<tr data-key-id="' + k.id + '">' +
                '<td>' + symbolCellHtml(k) + '</td>' +
                '<td>' + escHtml(k.monitor_type || '—') + '</td>' +
                '<td>' + escHtml(k.bar_period || '—') + '</td>' +
                '<td>' + fmtNum(k.upper) + '</td>' +
                '<td>' + fmtNum(k.lower) + '</td>' +
                '<td class="dash-k-price">' + (k.price != null ? fmtNum(k.price) : '—') + '</td>' +
                '<td class="dash-k-dist-up">' + (k.dist_upper != null ? fmtNum(k.dist_upper) : '—') + '</td>' +
                '<td class="dash-k-dist-down">' + (k.dist_lower != null ? fmtNum(k.dist_lower) : '—') + '</td>' +
                '</tr>'
            );
        }).join('');
    }

    function patchKeys(keys) {
        if (!keysBody || !keys) return;
        keys.forEach(function (k) {
            var row = keysBody.querySelector('tr[data-key-id="' + k.id + '"]');
            if (!row) return;
            var priceEl = row.querySelector('.dash-k-price');
            var upEl = row.querySelector('.dash-k-dist-up');
            var downEl = row.querySelector('.dash-k-dist-down');
            if (priceEl) priceEl.textContent = k.price != null ? fmtNum(k.price) : '—';
            if (upEl) upEl.textContent = k.dist_upper != null ? fmtNum(k.dist_upper) : '—';
            if (downEl) downEl.textContent = k.dist_lower != null ? fmtNum(k.dist_lower) : '—';
        });
    }

    function renderClosesMobile(closes) {
        if (!closesMobileList) return;
        if (!closes || !closes.length) {
            closesMobileList.innerHTML = '<div class="dash-mobile-empty">暂无平仓记录</div>';
            closesMobileCache = {};
            return;
        }
        closesMobileCache = {};
        closesMobileList.innerHTML = closes.map(function (c) {
            var net = c.pnl_net != null ? c.pnl_net : c.pnl;
            closesMobileCache[String(c.id)] = c;
            var summary = mobileSummaryHtml(c.lots, '平仓', c.close_price, net);
            return (
                '<button type="button" class="dash-mobile-item" data-close-id="' + c.id + '">' +
                '<div class="dash-mobile-item-head">' +
                '<div class="dash-mobile-item-title">' + mobileSymbolTitleHtml(c) + '</div>' +
                '</div>' +
                mobileItemFootHtml(summary) +
                '</button>'
            );
        }).join('');
    }

    function renderCloses(closes) {
        if (!closesBody) return;
        if (!closes || !closes.length) {
            closesBody.innerHTML = '<tr><td colspan="8" class="text-muted">暂无平仓记录</td></tr>';
            if (isPhoneLayout() && closesMobileList) {
                closesMobileList.innerHTML = '<div class="dash-mobile-empty">暂无平仓记录</div>';
            }
            closesMobileCache = {};
            return;
        }
        if (isPhoneLayout()) renderClosesMobile(closes);
        closesBody.innerHTML = closes.map(function (c) {
            var pc = pnlClass(c.pnl_net != null ? c.pnl_net : c.pnl);
            return (
                '<tr data-close-id="' + c.id + '">' +
                '<td>' + symbolCellHtml(c) + '</td>' +
                '<td>' + directionBadgeHtml(c) + '</td>' +
                '<td>' + fmtNum(c.lots) + '</td>' +
                '<td>' + fmtNum(c.entry_price) + '</td>' +
                '<td>' + fmtNum(c.close_price) + '</td>' +
                '<td class="' + pnlClass(c.pnl) + '">' + fmtPnl(c.pnl) + '</td>' +
                '<td class="' + pc + '">' + fmtPnl(c.pnl_net) + '</td>' +
                '<td>' + escHtml(c.close_time || '—') + '</td>' +
                '</tr>'
            );
        }).join('');
    }

    function applyKeys(keys) {
        if (!keysBody) return;
        var ids = (keys || []).map(function (k) { return String(k.id); }).join(',');
        if (!ids) {
            keysBody.innerHTML = '<tr><td colspan="8" class="text-muted">暂无关键位监控</td></tr>';
            lastKeyIds = '';
            lastKeyRows = [];
            if (keysMobileList) keysMobileList.innerHTML = '<div class="dash-mobile-empty">暂无关键位监控</div>';
            return;
        }
        if (ids !== lastKeyIds) {
            lastKeyIds = ids;
            lastKeyRows = keys || [];
            renderKeys(keys);
            if (isPhoneLayout()) renderKeysMobile(lastKeyRows);
        } else {
            patchKeys(keys);
            if (isPhoneLayout()) patchKeysMobile(keys);
        }
    }

    function applyCloses(closes) {
        if (!closesBody) return;
        if (!closes || !closes.length) {
            closesBody.innerHTML = '<tr><td colspan="8" class="text-muted">暂无平仓记录</td></tr>';
            lastCloseHeadId = null;
            if (isPhoneLayout() && closesMobileList) {
                closesMobileList.innerHTML = '<div class="dash-mobile-empty">暂无平仓记录</div>';
            }
            closesMobileCache = {};
            return;
        }
        var headId = closes[0].id;
        if (headId !== lastCloseHeadId) {
            lastCloseHeadId = headId;
            renderCloses(closes);
        }
    }

    function positionRows(data) {
        return (data.rows || []).filter(function (r) {
            return r.order_state !== 'pending' && (r.lots || 0) > 0;
        });
    }

    function posDetailItems(r) {
        return [
            { label: '品种', value: (r.symbol_name || r.symbol || '') + (r.symbol_code ? ' ' + r.symbol_code : '') },
            { label: '方向', html: directionBadgeHtml(r) },
            { label: '手数', value: String(r.lots) },
            { label: '均价', value: fmtNum(r.entry_price) },
            { label: '现价', value: r.current_price != null ? fmtNum(r.current_price) : '—' },
            { label: '浮盈亏', html: '<span class="' + pnlClass(r.float_pnl) + '">' + fmtPnl(r.float_pnl) + '</span>' },
            { label: '保证金', value: r.margin != null ? fmtMoney(r.margin) : '—' },
            { label: '止损', value: slText(r) },
            { label: '止盈', value: tpText(r) },
        ];
    }

    function keyDetailItems(k) {
        return [
            { label: '品种', value: (k.symbol_name || k.symbol || k.symbol_code || '') },
            { label: '类型', value: k.monitor_type || '—' },
            { label: '周期', value: k.bar_period || '—' },
            { label: '上沿', value: fmtNum(k.upper) },
            { label: '下沿', value: fmtNum(k.lower) },
            { label: '现价', value: k.price != null ? fmtNum(k.price) : '—' },
            { label: '距上沿', value: k.dist_upper != null ? fmtNum(k.dist_upper) : '—' },
            { label: '距下沿', value: k.dist_lower != null ? fmtNum(k.dist_lower) : '—' },
        ];
    }

    function closeDetailItems(c) {
        var net = c.pnl_net != null ? c.pnl_net : c.pnl;
        return [
            { label: '品种', value: (c.symbol_name || c.symbol || '') + (c.symbol_code ? ' ' + c.symbol_code : '') },
            { label: '方向', html: directionBadgeHtml(c) },
            { label: '手数', value: String(c.lots) },
            { label: '开仓价', value: fmtNum(c.entry_price) },
            { label: '平仓价', value: fmtNum(c.close_price) },
            { label: '盈亏', html: '<span class="' + pnlClass(c.pnl) + '">' + fmtPnl(c.pnl) + '</span>' },
            { label: '净盈亏', html: '<span class="' + pnlClass(net) + '">' + fmtPnl(net) + '</span>' },
            { label: '手续费', value: c.fee != null ? fmtMoney(c.fee) : '—' },
            { label: '平仓时间', value: c.close_time || '—' },
            { label: '结果', value: c.result || '—' },
        ];
    }

    function renderPositionsMobile(rows) {
        if (!posMobileList) return;
        if (!rows.length) {
            posMobileList.innerHTML = '<div class="dash-mobile-empty">暂无持仓</div>';
            posMobileCache = {};
            return;
        }
        posMobileCache = {};
        posMobileList.innerHTML = rows.map(function (r) {
            var key = r.key || r.position_key || ((r.symbol_code || '') + ':' + (r.direction || ''));
            posMobileCache[key] = r;
            var summary = mobileSummaryHtml(
                r.lots, '现价', r.current_price, r.float_pnl
            );
            return (
                '<button type="button" class="dash-mobile-item" data-pos-key="' + escHtml(key) + '">' +
                '<div class="dash-mobile-item-head">' +
                '<div class="dash-mobile-item-title">' + mobileSymbolTitleHtml(r) + '</div>' +
                '</div>' +
                mobileItemFootHtml(summary) +
                '</button>'
            );
        }).join('');
    }

    function patchPositionsMobile(rows) {
        if (!posMobileList || !rows) return;
        rows.forEach(function (r) {
            var key = r.key || r.position_key;
            posMobileCache[key] = r;
            var btn = posMobileList.querySelector('[data-pos-key="' + key + '"]');
            if (!btn) return;
            var summaryEl = btn.querySelector('.dash-mobile-item-summary');
            if (summaryEl) {
                summaryEl.innerHTML = mobileSummaryHtml(
                    r.lots, '现价', r.current_price, r.float_pnl
                );
            }
        });
    }

    function renderKeysMobile(keys) {
        if (!keysMobileList) return;
        if (!keys || !keys.length) {
            keysMobileList.innerHTML = '<div class="dash-mobile-empty">暂无关键位监控</div>';
            keysMobileCache = {};
            return;
        }
        keysMobileCache = {};
        keysMobileList.innerHTML = keys.map(function (k) {
            keysMobileCache[String(k.id)] = k;
            var title = symbolCellHtml(k);
            var meta = escHtml(k.monitor_type || '—') + ' · ' + escHtml(k.bar_period || '—') +
                ' · 现价 ' + (k.price != null ? fmtNum(k.price) : '—');
            var dist = '距上 ' + (k.dist_upper != null ? fmtNum(k.dist_upper) : '—') +
                ' / 距下 ' + (k.dist_lower != null ? fmtNum(k.dist_lower) : '—');
            return (
                '<button type="button" class="dash-mobile-item" data-key-id="' + k.id + '">' +
                '<div class="dash-mobile-item-head"><div class="dash-mobile-item-title">' + title + '</div></div>' +
                '<div class="dash-mobile-item-meta">' + meta + '</div>' +
                '<div class="dash-mobile-item-foot">' +
                '<span class="text-muted">' + escHtml(dist) + '</span>' +
                '<span class="dash-mobile-chevron">查看详情 ›</span>' +
                '</div></button>'
            );
        }).join('');
    }

    function patchKeysMobile(keys) {
        if (!keysMobileList || !keys) return;
        keys.forEach(function (k) {
            keysMobileCache[String(k.id)] = k;
            var btn = keysMobileList.querySelector('[data-key-id="' + k.id + '"]');
            if (!btn) return;
            var metaEl = btn.querySelector('.dash-mobile-item-meta');
            var distEl = btn.querySelector('.dash-mobile-item-foot span:first-child');
            if (metaEl) {
                metaEl.innerHTML = escHtml(k.monitor_type || '—') + ' · ' + escHtml(k.bar_period || '—') +
                    ' · 现价 ' + (k.price != null ? fmtNum(k.price) : '—');
            }
            if (distEl) {
                distEl.textContent = '距上 ' + (k.dist_upper != null ? fmtNum(k.dist_upper) : '—') +
                    ' / 距下 ' + (k.dist_lower != null ? fmtNum(k.dist_lower) : '—');
            }
        });
    }

    function initMobileLists() {
        if (posMobileList) {
            posMobileList.addEventListener('click', function (ev) {
                var btn = ev.target.closest('[data-pos-key]');
                if (!btn) return;
                var key = btn.getAttribute('data-pos-key');
                var row = posMobileCache[key];
                if (!row) return;
                var name = row.symbol_name || row.symbol || row.symbol_code || '持仓';
                openDetailModal(name, posDetailItems(row));
            });
        }
        if (keysMobileList) {
            keysMobileList.addEventListener('click', function (ev) {
                var btn = ev.target.closest('[data-key-id]');
                if (!btn) return;
                var k = keysMobileCache[btn.getAttribute('data-key-id')];
                if (!k) return;
                openDetailModal(k.symbol_name || k.symbol || '关键位', keyDetailItems(k));
            });
        }
        if (closesMobileList) {
            closesMobileList.addEventListener('click', function (ev) {
                var btn = ev.target.closest('[data-close-id]');
                if (!btn) return;
                var c = closesMobileCache[btn.getAttribute('data-close-id')];
                if (!c) return;
                openDetailModal(c.symbol_name || c.symbol || '平仓记录', closeDetailItems(c));
            });
        }
    }

    function renderPositions(rows) {
        lastPosRows = rows || [];
        if (isPhoneLayout()) {
            renderPositionsMobile(lastPosRows);
        }
        if (!posBody) return;
        if (!rows.length) {
            posBody.innerHTML = '<tr><td colspan="9" class="text-muted">暂无持仓</td></tr>';
            posRowCache = {};
            posRenderSig = '';
            return;
        }
        posRowCache = {};
        posBody.innerHTML = rows.map(function (r) {
            var key = r.key || r.position_key || ((r.symbol_code || '') + ':' + (r.direction || ''));
            posRowCache[key] = true;
            return (
                '<tr data-pos-key="' + escHtml(key) + '">' +
                '<td>' + symbolCellHtml(r) + '</td>' +
                '<td>' + directionBadgeHtml(r) + '</td>' +
                '<td class="dash-p-lots">' + escHtml(String(r.lots)) + '</td>' +
                '<td class="dash-p-entry">' + fmtNum(r.entry_price) + '</td>' +
                '<td class="dash-p-mark">' + (r.current_price != null ? fmtNum(r.current_price) : '—') + '</td>' +
                '<td class="dash-p-pnl ' + pnlClass(r.float_pnl) + '">' + fmtPnl(r.float_pnl) + '</td>' +
                '<td class="dash-p-margin">' + (r.margin != null ? fmtMoney(r.margin) : '—') + '</td>' +
                '<td class="dash-p-sl">' + escHtml(slText(r)) + '</td>' +
                '<td class="dash-p-tp">' + escHtml(tpText(r)) + '</td>' +
                '</tr>'
            );
        }).join('');
    }

    function findPosRow(key) {
        if (!posBody || !key) return null;
        var rows = posBody.querySelectorAll('tr[data-pos-key]');
        for (var i = 0; i < rows.length; i++) {
            if (rows[i].getAttribute('data-pos-key') === key) return rows[i];
        }
        return null;
    }

    function patchPositionQuotes(quotes) {
        if (!quotes) return;
        quotes.forEach(function (q) {
            var key = q.key || q.position_key;
            if (isPhoneLayout() && posMobileCache[key]) {
                var cached = posMobileCache[key];
                if (q.mark_price != null) cached.current_price = q.mark_price;
                if (q.float_pnl != null) cached.float_pnl = q.float_pnl;
            }
            var row = findPosRow(key);
            if (!row) return;
            var markEl = row.querySelector('.dash-p-mark');
            var pnlEl = row.querySelector('.dash-p-pnl');
            if (markEl && q.mark_price != null) markEl.textContent = fmtNum(q.mark_price);
            if (pnlEl && q.float_pnl != null) {
                pnlEl.textContent = fmtPnl(q.float_pnl);
                pnlEl.className = 'dash-p-pnl ' + pnlClass(q.float_pnl);
            }
        });
        if (isPhoneLayout()) patchPositionsMobile(Object.keys(posMobileCache).map(function (k) {
            return posMobileCache[k];
        }));
    }

    function applyPositionsData(data) {
        if (!data) return;
        if (data.ctp_status) updateCtpBadge(data.ctp_status);
        if (data.risk_status) {
            applyRisk({ status: data.risk_status });
        }
        if (data.trading_mode_label && modeBadge) {
            modeBadge.textContent = data.trading_mode_label;
        }
        if (equityEl && data.capital != null) {
            equityEl.textContent = fmtMoney(data.capital);
        }
        var rows = positionRows(data);
        var sig = rows.map(function (r) {
            var key = r.key || r.position_key || ((r.symbol_code || '') + ':' + (r.direction || ''));
            return key + '|' + (isBreakevenLocked(r) ? '1' : '0') + '|' + slText(r) + '|' + tpText(r) + '|' + String(r.lots);
        }).sort().join('|');
        if (sig !== posRenderSig) {
            posRenderSig = sig;
            renderPositions(rows);
        } else {
            rows.forEach(function (r) {
                var key = r.key || r.position_key;
                var row = findPosRow(key);
                if (!row) return;
                var lotsEl = row.querySelector('.dash-p-lots');
                var entryEl = row.querySelector('.dash-p-entry');
                var markEl = row.querySelector('.dash-p-mark');
                var pnlEl = row.querySelector('.dash-p-pnl');
                var marginEl = row.querySelector('.dash-p-margin');
                var slEl = row.querySelector('.dash-p-sl');
                var tpEl = row.querySelector('.dash-p-tp');
                if (lotsEl) lotsEl.textContent = String(r.lots);
                if (entryEl) entryEl.textContent = fmtNum(r.entry_price);
                if (markEl) markEl.textContent = r.current_price != null ? fmtNum(r.current_price) : '—';
                if (pnlEl) {
                    pnlEl.textContent = fmtPnl(r.float_pnl);
                    pnlEl.className = 'dash-p-pnl ' + pnlClass(r.float_pnl);
                }
                if (marginEl) marginEl.textContent = r.margin != null ? fmtMoney(r.margin) : '—';
                if (slEl) slEl.textContent = slText(r);
                if (tpEl) tpEl.textContent = tpText(r);
            });
            if (isPhoneLayout()) patchPositionsMobile(rows);
        }
    }

    function pollIntervalMs() {
        if (isPhoneLayout() || isTabletLayout()) return 3000;
        return 2000;
    }

    function pollDashboard() {
        if (pollInFlight) return;
        pollInFlight = true;
        fetch('/api/dashboard/live')
            .then(function (r) {
                if (!r.ok) throw new Error('HTTP ' + r.status);
                return r.json();
            })
            .then(function (data) {
                pollFailStreak = 0;
                if (!data.ok) {
                    if (updatedEl) updatedEl.textContent = data.error || '看板数据暂不可用';
                    return;
                }
                applyAccount(data);
                applyRisk(data.risk, data.account);
                applyKeys(data.keys || []);
                applyCloses(data.closes || []);
            })
            .catch(function () {
                pollFailStreak += 1;
                if (updatedEl) {
                    updatedEl.textContent = pollFailStreak >= 3
                        ? '看板连接失败，正在重试…'
                        : '看板数据加载失败';
                }
            })
            .finally(function () {
                pollInFlight = false;
            });
    }

    function connectPositionStream() {
        if (positionSource) {
            positionSource.close();
            positionSource = null;
        }
        positionSource = new EventSource('/api/trading/stream');
        positionSource.addEventListener('positions', function (ev) {
            try {
                applyPositionsData(JSON.parse(ev.data));
            } catch (e) { /* ignore */ }
        });
        positionSource.addEventListener('position_quotes', function (ev) {
            try {
                var data = JSON.parse(ev.data);
                patchPositionQuotes(data.quotes || []);
            } catch (e) { /* ignore */ }
        });
        positionSource.onerror = function () {
            if (positionSource) {
                positionSource.close();
                positionSource = null;
            }
            var delay = (isPhoneLayout() || isTabletLayout()) ? 8000 : 3000;
            setTimeout(connectPositionStream, delay);
        };
    }

    function startPolling() {
        if (pollTimer) clearInterval(pollTimer);
        pollDashboard();
        pollTimer = setInterval(pollDashboard, pollIntervalMs());
    }

    function stopPolling() {
        if (pollTimer) {
            clearInterval(pollTimer);
            pollTimer = null;
        }
        if (positionSource) {
            positionSource.close();
            positionSource = null;
        }
    }

    document.addEventListener('visibilitychange', function () {
        if (document.visibilityState === 'visible') {
            startPolling();
            if (!positionSource) connectPositionStream();
        } else {
            stopPolling();
        }
    });

    startPolling();
    connectPositionStream();
    initRiskToggle();
    initDetailModal();
    initMobileLists();
})();