{% extends "base.html" %}
{% block title %}节点管理 - RustProxyAdmin{% endblock %}
{% block page_title %}节点管理{% endblock %}
{% block page_desc %}服务器节点管理与 Worker 配对{% endblock %}
{% block content %}
<div class="toolbar">
  <button class="btn" onclick="showAdd()">＋ 添加节点</button>
  <span class="muted" style="font-size:12px">本机节点不可删除；Worker token 仅在创建/重置时显示一次</span>
</div>
<div class="card"><table class="tbl" id="tbl">
  <thead><tr><th>ID</th><th>名称</th><th>类型</th><th>公网地址</th><th>状态</th><th>最近心跳</th><th>版本</th><th>负载 CPU/内存</th><th>操作</th></tr></thead>
  <tbody id="rows"></tbody>
</table></div>

<div id="modal" class="modal" style="display:none"><div class="modal-box">
  <h3 id="mTitle">添加节点</h3>
  <div id="mBody"></div>
  <div style="margin-top:12px;text-align:right">
    <button class="btn ghost" onclick="hideModal()">关闭</button>
    <button class="btn" id="mOk" onclick="saveNode()">保存</button>
  </div>
</div></div>

<div id="cmdModal" class="modal" style="display:none"><div class="modal-box">
  <h3>Worker 启动命令</h3>
  <p class="muted" style="font-size:12px" id="cmdNote"></p>
  <pre id="cmdPre" style="white-space:pre-wrap;word-break:break-all;background:#0d1117;padding:12px;border-radius:6px"></pre>
  <div style="margin-top:12px;text-align:right">
    <button class="btn" onclick="copyCmd()">复制</button>
    <button class="btn ghost" onclick="document.getElementById('cmdModal').style.display='none'">我已保存</button>
  </div>
</div></div>

<script>
let editing = null;
async function load() {
  const [m, n2] = await Promise.all([api('GET', '/api/monitor/nodes'), api('GET', '/api/nodes')]);
  const extra = {};
  for (const n of n2.items) extra[n.id] = n;
  const tb = document.getElementById('rows');
  tb.innerHTML = '';
  for (const n of m.items) {
    const host = (extra[n.id] || {}).public_host || '';
    const tr = document.createElement('tr');
    tr.innerHTML = `
      <td>${n.id}</td>
      <td>${esc(n.name)}</td>
      <td>${n.is_local ? '<span class="badge">本机</span>' : 'Worker'}</td>
      <td class="muted">${esc(host || '—')}</td>
      <td>${n.online ? '<span class="badge ok">在线</span>' : '<span class="badge danger">离线</span>'}</td>
      <td class="muted" style="font-size:12px">${esc(n.last_heartbeat_at || (n.is_local ? '本机' : '无'))}</td>
      <td class="muted">${esc(n.version || '—')}</td>
      <td class="muted" style="font-size:12px">${n.cpu != null ? n.cpu.toFixed(1) + '% / ' + n.mem.toFixed(1) + '%' : '—'}</td>
      <td class="ops"></td>`;
    const ops = tr.querySelector('.ops');
    if (!n.is_local) {
      const b1 = document.createElement('button'); b1.className = 'btn sm'; b1.textContent = '编辑';
      b1.onclick = () => showEdit(n.id); ops.appendChild(b1);
      const b2 = document.createElement('button'); b2.className = 'btn sm warn'; b2.textContent = '重置 Token';
      b2.onclick = () => resetToken(n.id); ops.appendChild(b2);
      const b3 = document.createElement('button'); b3.className = 'btn sm danger'; b3.textContent = '删除';
      b3.onclick = () => delNode(n.id); ops.appendChild(b3);
    }
    tb.appendChild(tr);
  }
}
function hideModal() { document.getElementById('modal').style.display = 'none'; }
function showAdd() {
  editing = null;
  document.getElementById('mTitle').textContent = '添加节点';
  document.getElementById('mBody').innerHTML = `
    <label>节点名称<input id="fName" class="inp" maxlength="64" placeholder="如 worker-tokyo"></label>
    <label>公网地址（可选）<input id="fHost" class="inp" placeholder="如 203.0.113.10"></label>
    <label>Master 公网地址<input id="fMaster" class="inp" placeholder="如 https://admin.example.com"></label>
    <label>备注（可选）<input id="fMeta" class="inp"></label>`;
  document.getElementById('modal').style.display = 'block';
}
async function showEdit(id) {
  const d = await api('GET', '/api/nodes');
  const n = d.items.find(x => x.id === id);
  if (!n) return;
  editing = id;
  document.getElementById('mTitle').textContent = '编辑节点 #' + id;
  document.getElementById('mBody').innerHTML = `
    <label>节点名称<input id="fName" class="inp" maxlength="64" value="${esc(n.name)}"></label>
    <label>公网地址<input id="fHost" class="inp" value="${esc(n.public_host || '')}"></label>
    <label>备注<input id="fMeta" class="inp" value="${esc(n.meta || '')}"></label>
    <label>启用<select id="fEnabled" class="inp"><option value="1"${n.enabled ? ' selected' : ''}>启用</option><option value="0"${n.enabled ? '' : ' selected'}>停用</option></select></label>`;
  document.getElementById('modal').style.display = 'block';
}
async function saveNode() {
  const name = document.getElementById('fName').value.trim();
  if (!name) { alert('名称不能为空'); return; }
  if (editing == null) {
    const d = await api('POST', '/api/nodes', {
      name, public_host: document.getElementById('fHost').value.trim() || null,
      meta: document.getElementById('fMeta').value.trim() || null,
      master_url: document.getElementById('fMaster').value.trim() || null,
    });
    hideModal();
    showCmd(d.worker_cmd, d.note);
  } else {
    await api('PUT', '/api/nodes/' + editing, {
      name, public_host: document.getElementById('fHost').value.trim(),
      meta: document.getElementById('fMeta').value.trim(),
      enabled: parseInt(document.getElementById('fEnabled').value),
    });
    hideModal();
  }
  load();
}
async function resetToken(id) {
  if (!confirm('重置后旧 token 立即失效，Worker 需用新命令重启。继续？')) return;
  const master = prompt('Master 公网地址（用于生成启动命令）', '');
  const d = await api('POST', '/api/nodes/' + id + '/reset_token', { master_url: master || null });
  showCmd(d.worker_cmd, d.note);
  load();
}
async function delNode(id) {
  if (!confirm('删除节点 #' + id + '？该节点下的条目配置不会被删除。')) return;
  await api('DELETE', '/api/nodes/' + id);
  load();
}
function showCmd(cmd, note) {
  document.getElementById('cmdPre').textContent = cmd;
  document.getElementById('cmdNote').textContent = note || '';
  document.getElementById('cmdModal').style.display = 'block';
}
function copyCmd() {
  navigator.clipboard.writeText(document.getElementById('cmdPre').textContent);
  alert('已复制');
}
load();
</script>
{% endblock %}