/*
The following javascript was created to avoid duplicating code in postman's pre-request scripts
*/
var amp = function() {
    var api_key = postman.getEnvironmentVariable("api_key"),
    api_key_id = postman.getEnvironmentVariable("api_key_id"),
    signature_delim = '|',
    sign = function(overrides) {
        if(typeof overrides !== 'object'){
            overrides = {};
        }

        var timestamp = Math.round(new Date() / 1000);

        if(overrides.timestamp){
            timestamp = overrides.timestamp;
        }

        var api_signature = "";
        var buffer = '/amp/api/createApp/?key_id=' + api_key_id +
        '&timestamp=' + timestamp +
        signature_delim + request.data +
        signature_delim + api_key;

        api_signature = md5(buffer);

        postman.setGlobalVariable("api_timestamp", timestamp);
        postman.setGlobalVariable("api_signature", api_signature);
    },
    cleanup = function(){
        postman.clearGlobalVariable("api_timestamp");
        postman.clearGlobalVariable("api_signature");
    },
    md5 = function(value) {
        return CryptoJS.MD5(value).toString();
    }

    return {"sign":sign,"cleanup":cleanup };
}();