app.js

require('dotenv').config();
require('express-async-errors');

// Express
const express = require('express');
const app = express();

// rest of the packages
const morgan = require('morgan');
const cookieParser = require('cookie-parser');
const fileUpload = require('express-fileupload');
const rateLimiter = require('express-rate-limit');
const helmet = require('helmet');
const xss = require('xss-clean');
const cors = require('cors');
const mongoSanitize = require('express-mongo-sanitize');

// database
const connectDB = require('./db/connect');

// routers
const authRouter = require('./routes/authRoutes');
const userRouter = require('./routes/userRoutes');
const productRouter = require('./routes/productRoutes');
const reviewRouter = require('./routes/reviewRoutes');
const orderRouter = require('./routes/orderRoutes');

// middlewares
const notFoundMiddleware = require('./middleware/not-found');
const errorHandlerMiddleware = require('./middleware/error-handler');

// Security packages
app.set('trust proxy', 1);
app.use(
    rateLimiter({
        windowMs: 15 * 60 * 1000,
        max: 60,
    })
);
app.use(helmet());
app.use(cors());
app.use(xss());
app.use(mongoSanitize());

// app.use(morgan('tiny')); for development
app.use(express.json());
app.use(cookieParser(process.env.JWT_SECRET));

app.use(express.static('./public'));
app.use(fileUpload());

// for development
// app.get('/', (req, res) => {
//     res.send('E-Commerce API');
// });

app.use('/api/v1/auth', authRouter);
app.use('/api/v1/users', userRouter);
app.use('/api/v1/products', productRouter);
app.use('/api/v1/reviews', reviewRouter);
app.use('/api/v1/orders', orderRouter);

app.use(notFoundMiddleware);
app.use(errorHandlerMiddleware);

const port = process.env.PORT || 5000;

const start = async () => {
    try {
        await connectDB(process.env.MONGO_URL);
        app.listen(port, console.log(`Server is listening at ${port}...`));
    } catch (error) {
        console.error(error);
    }
};

start();