index.js

const model = require("./model.js")
const auth = require ("./assets/auth.js");
const express = require("express");
const bodyParser = require("body-parser");
const app = express();
const http = (require("http").Server(app));
const port = 3000;
http.listen(port);
console.log("The express server is running on port " + port + "!");
//console.log(auth.getDBURL());

// ABOVE CODE IS WHAT IS NEEDED TO CREATE A EXPRESS SERVER (this is the simple/basic plan for a Express Server, there are many ways. new updates can create more ways).... Look at request index.js file for more comments

//ROUTES. connects intex.html to index.js which is connected to the server
app.use(express.static("client/"));
// Needed to read data sent through POST request.....body- parser package (comes with express) is need to read data sent through POST request
//Needed to understand data from Server.
app.use(bodyParser.json());
// Gives Body Parsr specific option to run off of... should extended below be dark blue?
app.use(bodyParser.urlencoded({extended: false}));


app.post("/login", (request, response) => {

    if ( request.body.type === "login") {
        let requestUsername = request.body.username;
        let requestPassword = request.body.password;
  
        model.checkLogin(requestUsername, requestPassword).then((results) => {
            console.log(results);
            console.log(requestUsername + "Inside of Promise");
        
            if (results.length === 1) {
                // {object with a number}...success login
                response.send({success: 0});
            } else {
                // failed to login
                response.send({success: 1});
            }
        });
    } else if (request.body.type === "registrations") {
        model.createAccount(request.body).then((results) => {
     
            if (results === null) {
                // 3 failed to register
                response.send({success: 3});
            } else {
                //success to register
                response.send({success: 2});
            }
            
        }).catch((error) => {
            console.log(error);
            // someting failed in the backend
            response.send({success: 4});
        });  
    }


});

//username: hello
// password: 123456
//dd411a36cc298a64ac7ac208e4db1c63