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

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

// rest of the packages
const morgan = require('morgan') 
// const fileUpload = require('express-fileupload')

const rateLimiter = require('express-rate-limit')
const helmet = require('helmet')
const xss = require('xss-clean')
const cors = require('cors') 

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

// routers  
const nlRouter = require('./routes/naturalLanguageRoute')


const notFoundMiddlware = require('./middleware/not-found')
const errorHandlerMiddleware = require('./middleware/error-handler')

//middleware
app.set('trust proxy', 1)
app.use(rateLimiter({
    windowMs: 15 * 60 * 1000,
    max: 60,
}))

// Security packages
app.use(helmet())
app.use(cors())
app.use(xss()) 

app.use(morgan('tiny'))
app.use(express.json()) 

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

app.get('/', (req, res) => {
    res.send('e-commerce api')
})

// app.get('/api/v1/', (req, res) => {
//     console.log(req.signedCookies)
//     res.send('e-commerce api')
// })
 
app.use('/api/v1/nl', nlRouter)

app.use(notFoundMiddlware)
app.use(errorHandlerMiddleware)

const port = process.env.PORT || 3000

app.listen(port, console.log(`Listening on port: ${port}...`))