<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Aurora Admin · SideMenu (H5)</title>
<link rel="stylesheet" href="../.design_library/aurora-admin/colors_and_type.css">
<link rel="stylesheet" href="./SideMenu.css">
<style>
  .demo { display: flex; gap: 24px; padding: 24px; background: var(--au-color-page-bg); font-family: var(--font-family); }
  h1 { font-size: 20px; margin: 0 0 4px; color: var(--au-color-text-title); }
  .sub { color: var(--au-color-text-secondary); margin: 0 0 16px; font-size: 12px; }
  .col { background: var(--au-color-card-bg); border-radius: 8px; padding: 16px; }
  .toggle { margin-bottom: 12px; font-size: 13px; color: var(--au-color-brand); cursor: pointer; user-select: none; }
</style>
</head>
<body>
<div class="demo">
  <div class="col">
    <h1>SideMenu</h1>
    <p class="sub">多级、图标、徽章、选中态+左指示条、折叠</p>
    <div class="toggle" id="toggle">⇥ 折叠 / 展开</div>
    <div class="aa-sidemenu" role="navigation" id="menu"></div>
  </div>
</div>

<script>
const ITEMS = [
  { key: 'dashboard', label: '仪表盘', icon: '▦' },
  { key: 'content', label: '内容管理', icon: '▤', children: [{ key: 'article', label: '文章' }, { key: 'comment', label: '评论' }, { key: 'tag', label: '标签' }] },
  { key: 'user', label: '用户管理', icon: '◍', badge: 8, children: [{ key: 'ulist', label: '用户列表' }, { key: 'role', label: '角色权限' }] },
  { key: 'system', label: '系统设置', icon: '⚙', children: [{ key: 'config', label: '基础配置' }, { key: 'log', label: '操作日志' }] },
  { key: 'help', label: '帮助中心', icon: '?', disabled: true }
];

const menu = document.getElementById('menu');
let active = 'article';
let openKeys = new Set(['content']);
let collapsed = false;

function render() {
  menu.classList.toggle('collapsed', collapsed);
  menu.innerHTML = '';
  ITEMS.forEach(it => {
    const hasChild = it.children && it.children.length;
    const isOpen = openKeys.has(it.key);
    const el = document.createElement('div');
    el.className = 'aa-menu-item' + (active === it.key ? ' is-active' : '') + (it.disabled ? ' is-disabled' : '') + (hasChild && isOpen ? ' is-open' : ''); el.setAttribute('role','menuitem'); el.setAttribute('tabindex','0');
    el.dataset.key = it.key;
    el.innerHTML = `<span class="aa-menu-icon">${it.icon || ''}</span>` +
      `<span class="aa-menu-label">${it.label}</span>` +
      (it.badge ? `<span class="aa-menu-badge">${it.badge}</span>` : '') +
      (hasChild ? `<span class="aa-menu-arrow">›</span>` : '');
    menu.appendChild(el);

    if (hasChild && isOpen && !collapsed) {
      const wrap = document.createElement('div');
      wrap.className = 'aa-menu-children';
      it.children.forEach(c => {
        const cEl = document.createElement('div');
        cEl.className = 'aa-menu-item' + (active === c.key ? ' is-active' : ''); cEl.setAttribute('role','menuitem'); cEl.setAttribute('tabindex','0');
        cEl.dataset.key = c.key;
        cEl.innerHTML = `<span class="aa-menu-label">${c.label}</span>`;
        wrap.appendChild(cEl);
      });
      menu.appendChild(wrap);
    }
  });
}

menu.addEventListener('click', (e) => {
  const item = e.target.closest('.aa-menu-item');
  if (!item) return;
  const key = item.dataset.key;
  const it = ITEMS.find(x => x.key === key);
  if (it && it.disabled) return;
  if (it && it.children) {
    if (openKeys.has(key)) openKeys.delete(key); else openKeys.add(key);
  } else {
    active = key;
  }
  render();
});

// 折叠态：悬浮顶层项弹出浮层
let pop = null;
menu.addEventListener('mouseover', (e) => {
  if (!collapsed) return;
  const item = e.target.closest('.aa-menu-item');
  if (!item || item.closest('.aa-menu-children')) return;
  const it = ITEMS.find(x => x.key === item.dataset.key);
  if (!it) return;
  if (pop) pop.remove();
  pop = document.createElement('div');
  pop.className = 'aa-menu-pop';
  pop.style.top = item.offsetTop + 'px';
  let html = `<div class="aa-menu-pop-title">${it.label}</div>`;
  if (it.children) it.children.forEach(c => {
    html += `<div class="aa-menu-item ${active === c.key ? 'is-active' : ''}" role="menuitem" tabindex="0" data-key="${c.key}"><span class="aa-menu-label">${c.label}</span></div>`;
  }); else {
    html += `<div class="aa-menu-item is-active" role="menuitem" tabindex="0" data-key="${it.key}"><span class="aa-menu-label">${it.label}</span></div>`;
  }
  pop.innerHTML = html;
  menu.appendChild(pop);
});
menu.addEventListener('mouseleave', () => { if (pop) { pop.remove(); pop = null; } });

document.getElementById('toggle').addEventListener('click', () => { collapsed = !collapsed; render(); });
render();
</script>
</body>
</html>
