/**
    BASIC SERVER CONFIGURATION
**/

//@ Instantiate a basic express application
let app      	    = express();
app.vars            = app.vars || {}; 

//@ Define the default port
app.port	        = process.env.PORT || "1357";
    
//@ Allow CORS in the application ( To enable MVC architecture )
app.use( (req, res, next) => {
    
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With,Content-Type, Access-Control-Allow-Origin, Authorization, Origin, Accept, x-auth-token");
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
    res.header("X-Powered-By", "@framify");
    next();
    
});

//@ Set HTML as the default template language
//app.engine('html', require('ejs').renderFile);
app.set('view engine', 'html');

//@ Enable easy access to body parameters and uploads
app.use( bodyParser.urlencoded({extended:false}) );
app.use( bodyParser.json({limit: '500mb'}) );

//@ Further simplify file uploads using the multer middleware
app.set_upload_path = (dest) => {
    return  multer({dest : dest });
};

//@ Enable file compression during transfer (to enhance loading speeds)
app.use( compression() );

//@ Register the rendering engine for the templates 
app.engine(".html", ejs.__express );

//@ Register a route for the loading of static resources (enhance loading speeds)
app.use("/framify/resources", express.static(__dirname + "/res"));

/**
    EO - BASIC SERVER CONFIGURATION
**/

module.exports = { app };