.js

// express package is used to start the server 
const express = require('express')
const app = express() 

// create routes/endpoints 

// localhost = 127.0.0.1
// Port = 3000
// /hello route/endpoint

// http://localhost:3000/hello

// req = Request coming from a client (browser)
// res = Response from the server 
app.get('/hello',function(req,res) {
    // res.send("Hello World!") This returns String 

    // return JSON 
    res.json({name: "Mary Doe"})
    //res.json({firstname: "John", lastname: "Doe"})

})

app.get('/customers',function(req,res) {

    let customers = [] 
    customers.push({name: "Alex"})
    customers.push({name: "Mary"})
    customers.push({name: "John"})

    res.json(customers)
})

// /movies/action 
// /movies/kids 
// /movies/fiction 
// /movies/drama

// /movies/cat also matches 
        // /movies/fiction

        // /movies/year/2019/genre/comedy 
    
// Amazon - www.amazon.com/books/products 
// www.amazon.com/toys/products
// www.amazon.com/plants/products

app.get('/movies/year/:year/genre/:genre',function(req,res) {

    // access the value of the :genre route parameter 
    let movieGenre = req.params.genre
    let year = req.params.year 
    console.log(movieGenre)

    let movies = [] 
    movies.push({name: 'Batman', year: "2020", genre: "action"})
    movies.push({name: 'Superman', year: "2019", genre: "action"})
    movies.push({name: 'Spiderman', year: "2018", genre: "action"})
    movies.push({name: 'Finding Nemo', year: "2018", genre: "kids"})
    movies.push({name: 'Finding Dori', year: "2018", genre: "kids"})
    movies.push({name: 'Mickey Mouse', year: "2018", genre: "kids"})
    
    res.json(movies)

})



// starting the server 
app.listen(3000,function() {
    console.log("Server is running")
})