app.js

require('dotenv').config();
const express = require("express");
const bodyParser = require("body-parser");
const request = require("request");
const https = require("https");

const app = express();
app.use(bodyParser.urlencoded({ extended: true }));
app.use(express.static("public"));


app.get("/", function (req, res) {
    res.sendFile(__dirname + "/signup.html");
});

app.post("/", function (req, res) {
    const firstName = req.body.firstname;
    const lastName = req.body.lastname;
    const email = req.body.email;

    console.log(firstName, lastName, email);

    const data = {
        members: [
            {
                email_address: email,
                status: "subscribed",
                merge_fields: {
                    FNAME: firstName,
                    LNAME: lastName
                }
            }]
    };

    const jsonData = JSON.stringify(data);

    const url = `https://us8.api.mailchimp.com/3.0/lists/${process.env.AUDIENCE_ID}`;

    const options = {
        method: "POST",
        auth: `anamaria1:${process.env.API_KEY}`
    }
    const request = https.request(url, options, function (response) {

        if (response.statusCode === 200) {
            res.sendFile(__dirname + "/success.html");
        } else {
            res.sendFile(__dirname + "/failure.html");;
        }

        response.on("data", function (data) {
            //    console.log(JSON.parse(data)); 
        })
    });

    request.write(jsonData);
    request.end();

});

app.post("/failure", function (req, res) {
    res.redirect("/");
})


app.listen(process.env.PORT || 3000, function () {
    console.log("Server started on port 3000");
});