index.js

// const { OpenAIApi } = require("openai"); // Only import OpenAIApi, not Configuration
// const express = require("express");
// const bodyParser = require("body-parser");
// const cors = require("cors");
// require("dotenv").config();

// const port = process.env.PORT || 3000;
// const token = process.env.OPENAI_API_KEY;

// const OpenAI = new OpenAIApi({
//   apiKey: token,  // Directly pass the API key here
// });

// const app = express();
// app.use(bodyParser.json());
// app.use(cors());

// app.post("/message", async (req, res, next) => {
//   try {
//     const response = await OpenAI.createChatCompletion({
//       model: "gpt-4.1",
//       prompt: req.body.prompt,
//       temperature: 0.7,
//       top_p: 1,
//       frequency_penalty: 0,
//       presence_penalty: 0,
//       max_tokens: 1024,
//     }).then((data) => {
//       res.send(data.choices[0].message.content);
//     });
//     return response;
//   } catch (error) {
//     console.error(error);
//     res.status(500).send("Internal Server Error");
//   }
// });

// app.listen(port, () => {
//   console.log(`Server is running on port ${port}`);
// });

const { OpenAI } = require("openai"); // Correct way to import OpenAI class
const express = require("express");
const bodyParser = require("body-parser");
const cors = require("cors");
require("dotenv").config();

const port = process.env.PORT || 3000;
const token = process.env.OPENAI_API_KEY;

const openai = new OpenAI({
  apiKey: token, // Provide the API key directly
});

const app = express();
app.use(bodyParser.json());
app.use(cors());

app.post("/message", async (req, res) => {
  try {
    // Using OpenAI's `chat.completions.create` for chat completion API
    const response = await openai.chat.completions.create({
      model: "text-davinci-003", // Use the correct model name
      prompt: req.body.prompt,
      temperature: 0.7,
      max_tokens: 1024,
    });

    // Send back the assistant's response
    res.send(response.choices[0].message.content);
  } catch (error) {
    console.error(error);
    res.status(500).send("Internal Server Error");
  }
});

app.listen(port, () => {
  console.log(`Server is running on port ${port}`);
});