routes.js

const fs = require('fs');

const homePage = require('./index.html');

const requestHandler = (req, res) => {
    const url = req.url;
    const method = req.method;
    if (url === '/') {
        res.setHeader('Content-Type', 'text/html');
        res.write(homePage);
        // res.write('<html>');
        // res.write('<head><title>Enter Message</title></head>');
        // res.write('<body><form action="/message" method="POST"><input type="text" name="message"><button type="submit">Send</button></form></body>');
        // res.write('</html>');
        return res.end();
    }
    if (url == '/message' && method === 'POST') {
        const body = [];
        req.on('data', (chunk) => {
            body.push(chunk);
            console.log(chunk)
    
        });
        return req.on('end', () => {
            const parsedBody = Buffer.concat(body).toString();
            const message = parsedBody.split('=')[1];
            console.log(parsedBody);
            fs.writeFile('message.txt', message, (err) => {
                res.statusCode = 302;
                res.setHeader('Location', '/');
                return res.end();
            });
        });
    
    
    }
    res.write('<html>');
    res.write('<head><title>My First Page</title></head>');
    res.write('<body><h1>Hello from Node.js server</h1></body>');
    res.write('</html>');
    res.end();
};

module.exports = requestHandler;