const WebSocket = require('ws');

console.log('Starting...');
const ws = new WebSocket('ws://146.56.248.142:8083/ws?password=wzw20040525');

ws.on('open', () => {
  console.log('Connected!');
  
  let fileId = 'test_' + Date.now();
  const testContent = Buffer.from('Hello');
  
  console.log('Sending fileUploadStart...');
  ws.send(JSON.stringify({ 
    type: 'fileUploadStart', 
    fileId: fileId,
    filename: 'F:/test.txt', 
    totalChunks: 1, 
    fileSize: 5,
    requestId: 'req1'
  }));
});

ws.on('message', (data, isBinary) => {
  console.log('Got message:', isBinary ? 'binary' : data.toString().substring(0,80));
});

ws.on('error', e => console.log('Error:', e.message));
ws.on('close', () => console.log('Closed'));

setTimeout(() => { console.log('Timeout'); process.exit(1); }, 10000);