const { Client } = require('ssh2');
const c = new Client();
c.on('ready', () => {
  const cmd = [
    "echo '=== LAST 100 LINES WITH CHAT/KB ==='",
    "grep -E '\\[Chat\\]|\\[ToolExecutor\\]|\\[CozeChat\\]|\\[ArkChat\\]|\\[POST\\]|\\[GET\\]' /var/log/bigwo/server-out.log | tail -100",
    "echo ''",
    "echo '=== SEARCH FOR 胡辣汤 ==='",
    "grep -i '胡辣汤' /var/log/bigwo/server-out.log | tail -10",
    "echo ''",
    "echo '=== SEARCH FOR 基础三合一 ==='",
    "grep -i '基础三合一\\|基础套装' /var/log/bigwo/server-out.log | tail -20",
    "echo ''",
    "echo '=== MOST RECENT 50 LINES ==='",
    "tail -50 /var/log/bigwo/server-out.log",
  ].join(' && ');
  c.exec(cmd, (err, s) => {
    if (err) { console.error(err); c.end(); return; }
    let o = '';
    s.on('data', (d) => (o += d));
    s.stderr.on('data', (d) => (o += d));
    s.on('close', () => { console.log(o); c.end(); });
  });
}).connect({ host: '119.45.10.34', port: 22, username: 'root', password: '#xyzh%CS#2512@28' });