const { Client } = require('ssh2');

const conn = new Client();

conn.on('ready', () => {
  conn.exec('cat /www/huishou/server/data/stations.json', (err, stream) => {
    if (err) { console.log('ERR:', err); conn.end(); return; }
    let data = '';
    stream.on('data', (d) => data += d.toString());
    stream.on('close', () => {
      console.log('服务器上的stations.json:');
      console.log(data);
      
      const json = JSON.parse(data);
      const names = json.map(s => s.name);
      console.log('\n站点名称列表:', names);
      console.log('去重后:', [...new Set(names)]);
      
      if (names.length !== [...new Set(names)].length) {
        console.log('\n⚠️ 发现重复数据！');
      } else {
        console.log('\n✅ 数据没有重复');
      }
      
      conn.end();
    });
  });
});

conn.connect({ host: 'hs.yifenbao.cn', port: 22, username: 'root', password: 'Torch1112' });