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

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

const API_KEY = "sk_live_xxxxxxxxxxxxxxxxxxxxxx";

app.post('/api/v1/webhooks/whatsapp', async (req, res) => {

    console.log("Incoming:", req.body);

    const from = req.body?.data?.from;
    const text = req.body?.data?.message?.text?.toLowerCase();

    if (!from || !text) {
        return res.sendStatus(200);
    }

    let reply = "You said: " + text;

    if (text === "hi" || text === "hello") {
        reply = "Hello 👋 Welcome to Naavigo Events WhatsApp Bot!";
    }

    await axios.post(
        "https://api.trigr.io/v1/send-message",
        {
            phoneNumber: from,
            message: reply
        },
        {
            headers: {
                Authorization: `Bearer ${API_KEY}`,
                "Content-Type": "application/json"
            }
        }
    );

    res.sendStatus(200);
});

app.listen(3000, () => console.log("Server running"));