index.js

const express = require('express');
const path = require('path');
const redditData = require('./data.json');
const app = express();


app.use(express.static(path.join(__dirname, '/public'))); 
// linking css, js, and other assets from the public folder

app.set('view engine', 'ejs');
app.set('views', path.join(__dirname, '/views'));   // enables to use nodemon outside the current directory

app.get('/', (req, res) => {
    res.render('home')
})


app.get('/r/:subreddit', (req, res) => {
    const {subreddit} = req.params;
    const data = redditData[subreddit];
    if(data) {
        res.render('subreddit', {...data})
    } else {
        res.render('notfound', {subreddit})
    }

})

app.get('/rand', (req, res) => {
    const num = Math.floor(Math.random() * 10) + 1
    // key-value pairs that are accessible in the ejs html template
    res.render('random', {num, title: 'random'});   
})

app.get('/cats', (req, res) => {
    const cats = [
        'Blue', 'Rocket', 'Monty', 'Stephanie', 'Winston'
    ]
    res.render('cats', {cats})
})

app.listen(3000, () => {
    console.log('Listening on port 3000')
})