const express = require('express');
const multer = require('multer');
const tencentcloud = require('tencentcloud-sdk-nodejs');

const app = express();
const upload = multer({ dest: 'uploads/' });

// 腾讯云语音识别客户端
const AsrClient = tencentcloud.asr.v20190614.Client;
const client = new AsrClient({
  credential: {
    secretId: 'your-secret-id', // 替换为你的 SecretId
    secretKey: 'your-secret-key' // 替换为你的 SecretKey
  },
  region: 'ap-guangzhou',
  profile: {
    httpProfile: {
      endpoint: 'asr.tencentcloudapi.com'
    }
  }
});

// 处理上传的录音文件
app.post('/speech-to-text', upload.single('audio'), (req, res) => {
  const filePath = req.file.path;

  // 调用腾讯云语音识别 API
  const params = {
    EngineModelType: '16k_zh', // 16k 中文普通话
    Url: filePath // 本地文件路径需要先上传到云存储
  };

  client.CreateRecTask(params).then(
    (data) => {
      res.json({ code: 0, text: data.Result });
    },
    (err) => {
      res.json({ code: 1, message: err.message });
    }
  );
});

app.listen(3000, () => {
  console.log('Server is running on http://localhost:3000');
});