歌词生成回调

const express = require('express');
const app = express();

app.use(express.json());

app.post('/lyrics-callback', (req, res) => {
  const { code, msg, data } = req.body;
  
  console.log('收到歌词生成回调:', {
    taskId: data.taskId,
    callbackType: data.callbackType,
    status: code,
    message: msg
  });
  
  if (code === 200) {
    // 任务成功
    console.log('歌词生成完成');
    console.log(`共生成 ${data.lyricsData.length} 个歌词变体:`);
    
    data.lyricsData.forEach((lyrics, index) => {
      if (lyrics.status === 'complete') {
        console.log(`歌词 ${index + 1}: ${lyrics.title}`);
        console.log(`内容: ${lyrics.text.substring(0, 100)}...`);
        
        // 处理生成的歌词
        // 可以保存到数据库、文件等
      } else if (lyrics.status === 'failed') {
        console.log(`歌词 ${index + 1} 生成失败: ${lyrics.errorMessage}`);
      }
    });
    
  } else {
    // 任务失败
    console.log('歌词生成失败:', msg);
    
    // 处理失败情况...
    if (code === 400) {
      console.log('参数错误或内容违规');
    } else if (code === 429) {
      console.log('积分不足');
    } else if (code === 500) {
      console.log('服务器内部错误');
    }
  }
  
  // 返回200状态码确认收到回调
  res.status(200).json({ status: 'received' });
});

app.listen(3000, () => {
  console.log('回调服务器运行在端口 3000');
});