chat_gpt_nextjs_api_endpoint.ts

import { ChatGPTAPI } from 'chatgpt';
import { NextApiRequest, NextApiResponse } from 'next';
import { notifyAdmin } from '../../../utils/twillio';
 

export type InputAI = {;
   variableA: string;
   variableB: string;
   variableC: string;
};

export default async (req: NextApiRequest, res: NextApiResponse) => {
	let body = req.body as InputAI;

	if (req.method === 'POST') {
		try {
			const api = new ChatGPTAPI({
				sessionToken: process.env.CHATGPT_SESSION_TOKEN,
			});

			// ensure the API is properly authenticated
			await api.ensureAuth();

			let gptInput = `
This is where you insert your ChatGPT prompt:
You can add in any conditional logic, or variables by using
This style of notation:
${body.variableA}, ${body.variableB}, ${body.variableC}`;

			// send a message and wait for the response
			const response = await api.sendMessage(gptInput);
			res.send(response);
		} catch (err) {
			notifyAdmin(['AI Error', err.message]);
			res.status(500).send(err);
		}
	} else {
		res.status(400).send('Bad Request');
	}
};