const { Client } = require('ssh2');
const conn = new Client();
const config = {
  host: 'demo.tensorgrove.com.cn',
  port: 22,
  username: 'root',
  privateKey: require('fs').readFileSync(require('path').join(require('os').homedir(), '.ssh', 'id_rsa')),
};

conn.on('ready', () => {
  // 搜索最近的 FC 回调日志（过去5分钟的所有 FC 相关日志）
  const cmd = `grep -E '\\[FC\\]|\\[ToolExecutor\\]|room_980c6671|ExternalTextToSpeech|Command:function|TTS segment|Split into|Knowledge base|Promise|parallel' /var/log/bigwo/server-out.log | tail -80`;
  conn.exec(cmd, (err, stream) => {
    if (err) { console.error('exec error:', err); conn.end(); return; }
    let out = '';
    stream.on('data', d => out += d.toString());
    stream.stderr.on('data', d => process.stderr.write(d));
    stream.on('close', () => {
      console.log(out);
      conn.end();
    });
  });
}).on('error', err => {
  console.error('SSH error:', err.message);
}).connect(config);