{ type: 'ISV',
  code: 'IncompleteSignature',
  message: 'The request signature does not conform to lazada standards',
  request_id: '0be6e79215428302067761224' }

var sha256 = require('js-sha256');


module.exports = function(app, Request){

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

        var access_token = "myToken";
        var app_key = "myAppKey";
        var order_id = "36835322434";
        var sign_method = "sha256";
        var timestamp = new Date().timestamp;

        var concatenatedString = "/order/items/getaccess_token"+access_token
        +"app_key"+app_key
        +"order_id"+order_id
        +"sign_method"+sign_method
        +"timestamp"+new Date().getTime();


        var hash = sha256.hmac.create("myAppSecret");
        hash.update(concatenatedString);

        var httpRequestLink = "http://api.lazada.co.th/rest/order/items/get?access_token="+access_token
        +"&app_key="+app_key
        +"&order_id="+order_id
        +"&sign_method="+sign_method
        +"&timestamp="+new Date().getTime()
        +"&sign="+hash.hex();

        Request.get(httpRequestLink, (error, response, body) => {
            if(error) {
                return console.log(error);
            }
            console.log(JSON.parse(body));
        });

    });

}