const WebSocket = require('ws');

console.log('Testing upload to remote 8083...');
const ws = new WebSocket('ws://146.56.248.142:8083/ws?password=wzw20040525');

let fileId = 'test_' + Date.now();
const testContent = Buffer.from('Hello Test 中文');

ws.on('open', () => {
  console.log('Connected, sending fileUploadStart with F:/xxx.txt...');
  ws.send(JSON.stringify({ 
    type: 'fileUploadStart', 
    fileId: fileId,
    filename: 'F:/小问题.txt', 
    totalChunks: 1, 
    fileSize: testContent.length,
    requestId: 'req1'
  }));
});

ws.on('message', (data, isBinary) => {
  if (isBinary) return;
  const msg = JSON.parse(data.toString());
  console.log('Received:', msg.type);
  
  if (msg.type === 'fileUploadStart') {
    console.log('Session started, sending chunk...');
    ws.send(JSON.stringify({ 
      type: 'fileUploadChunk', 
      fileId: fileId,
      chunkIndex: 0, 
      data: testContent.toString('base64'),
      requestId: 'req2'
    }));
  }
  
  if (msg.type === 'fileUploadChunk') {
    console.log('Chunk sent, sending merge...');
    ws.send(JSON.stringify({ 
      type: 'fileUploadMerge', 
      fileId: fileId,
      filename: 'F:/小问题.txt',
      totalChunks: 1,
      requestId: 'req3'
    }));
  }
  
  if (msg.type === 'fileUploadResult') {
    console.log('=== Upload Result:', msg.success ? 'SUCCESS' : 'FAILED', msg.error || '');
    ws.close();
    process.exit(0);
  }
});

ws.on('error', err => console.error('Error:', err.message));

setTimeout(() => { console.log('Timeout'); process.exit(1); }, 15000);