NodeJS, Whatsappweb, qrcode, express

wppServices.js

const axios = require('axios')
const qrcode = require('qrcode-terminal')
const { Client, LocalAuth} = require('whatsapp-web.js')
require('dotenv').config()
const OpenAI = require('openai')
const express = require('express')
const app = express()


const openai = new OpenAI({
    apiKey: process.env.wlOpenKey,
})

const client = new Client({
    authStrategy: new LocalAuth()
})

client.on('qr', (qr) => {
    console.log(qr)
    qrcode.generate(qr, { small: true })
})

client.on('message', async (message) => {
    console.log(`${message.from}  disse: ${message.body}`)
})

client.on('message', async (message) => {

        const userInput = message.body
        const chatCompletion = await openai.chat.completions.create({
            model: 'gpt-3.5-turbo',
            prompt: `User: ${userInput}\nAI:`,
        })

        const aiResponse = chatCompletion.choices[0].text

        const recipientNumber = '+xxxxxxxxxxx'
        await sendToWhatsapp(recipientNumber, aiResponse)

        res.json({ aiResponse })

        console.log(`msg: ${message.body}, de: ${message.from}`)

})

async function sendToWhatsapp(number, message) {
    
        const chat = await client.getChatById(number + '@c.us')
        await chat.sendMessage(message)
}


client.on('ready', () => {
    console.log('🔥')
})

client.initialize()