index.js

import express from 'express';
import jwt from 'jsonwebtoken';
import crypto from 'node:crypto';

const secretKey = crypto.randomBytes(64).toString('hex');

const app = express();

app.use(express.json());

const users = [];

const expenses = [
  {
    title: 'YouTube Subscription',
    price: 9.99,
    date: new Date('10-1-2025')
  },
  {
    title: 'Amazon Prime',
    price: 4.99,
    date: new Date('10-28-2025')
  },
  {
    title: 'Groceries',
    price: 129.99,
    date: new Date('11-2-2025')
  },
  {
    title: 'Groceries',
    price: 129.99,
    date: new Date('11-1-2025')
  },
  {
    title: 'Groceries',
    price: 129.99,
    date: new Date('11-3-2025')
  },
  {
    title: 'Robinhood Gold',
    price: 19.99,
    date: new Date('9-1-2025')
  },
];

const categories = new Set([
  'groceries', 'leisure',
  'electronics', 'utilities',
  'clothing', 'health',
  'others'
]);

const timeframes = new Set([
  'past-week', 'last-month', 'last-three-month'
]);

app.post('/register', async (req, res) => {
  const { email, password } = req.body;

});

app.post('/login', async (req, res) => {
  const { email, password } = req.body;

});

app.post('/expenses', async (req, res) => {

});

app.get('/expenses', authenticate, async (req, res) => {
  const { page, limit, ...filters } = req.query;
  return res.status(200).json({ data: expenses });
});

app.get('/expenses/:id', async (req, res) => {

});

app.put('/expenses/:id', async (req, res) => {

});

app.delete('/expenses/:id', async (req, res) => {

});

const port = process.env.PORT || 8080;
app.listen(port, () => {
  console.log(`Server started on http://localhost:${port}`);
});

function authenticate(req, res, next) {
  const token = req.headers.authorization?.split(' ')[1];
  console.log(token);
  next();
}