var moment = require('moment')
var timestamp = moment().format("YYYY-MM-DDTHH:mm:ss.SSS+07:00");
var method = "GET";
var relativeUrl = pm.request.url.getPathWithQuery();
var accessToken = pm.environment.get("access_token");
var requestBody = "";//request.data;
var hashedPayload = CryptoJS.enc.Hex.stringify(CryptoJS.SHA256(""));
// var stringToSign = method+":"+relativeUrl+":"+accessToken+":"+hashedPayload.toLowerCase()+":"+timestamp;

var stringToSign = method+":"+relativeUrl+":"+accessToken+":e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855:"+timestamp;

// var stringToSign = method+":"+relativeUrl+":"+accessToken+"::"+timestamp;

var apiKey = pm.environment.get("api_key");
var signature = CryptoJS.HmacSHA256(stringToSign, apiKey).toString(CryptoJS.enc.Hex);
// var signature = CryptoJS.enc.Hex.stringify(hash);


console.log("api_key:"+apiKey);
console.log("stringToSign:"+stringToSign);
// console.log(hash);
console.log("signature:"+signature);

pm.environment.set("signature", signature);
pm.environment.set("timestamp", timestamp);