using System;

using System.Net;

using System.Net.Http;

using System.Threading.Tasks;

using System.Web;

using Newtonsoft.Json;

using System.Collections.Generic;

​

namespace Testing

{

        public class BrightedgeViewModel

    {

        public string CurrentUrl { get; set; }

        public string HashCalc { get; set; }

        public BrightedgeSourceViewModel DataRetrivied { get; set; }

    }

​

    public class BrightedgeSourceViewModel

    {

        public List<BrightedgeNodeViewModel> Nodes { get; set; }

    }

​

    public class BrightedgeNodeViewModel

    {

        public string Feature_Group { get; set; }

        public string Content { get; set; }

    }

    public class Program

    {

        private readonly static string pageUrl = "https://ft1-cm-oap-us-us.wsf-e-loreal.com/makeup";

        private readonly static string accountId = "f00000000092503";

        private readonly static HttpClient client = new HttpClient();

        private readonly static string serverUrl = "https://api.brightedge.com/api/ixf/1.0.0/get_capsule";

        public static async Task Main(string[] args)

        {

​

            var currentRequestUrl = new Uri(pageUrl);

​

            var uriBuilder = new UriBuilder

            {

                Scheme = currentRequestUrl.Scheme,

                Host = currentRequestUrl.Host,

                Path = currentRequestUrl.AbsolutePath

            };

​

            var uri = uriBuilder.ToString();

            var result = GetInfo(uri);

            Console.WriteLine("Response:");

            Console.WriteLine(result);

            var u = JsonConvert.DeserializeObject<BrightedgeSourceViewModel>(result);

            if (u != null) {

                Console.WriteLine(u);

            } 

        }

        public static String GetInfo(String pageUrl) 

        {

            var hash = getPageHash(pageUrl);

            var urlToRequest = String.Format("{0}/{1}/{2}", serverUrl, accountId, hash);

            Console.WriteLine("HASH:" +hash);

            Console.WriteLine("Current URL:" +pageUrl);

            Console.WriteLine("URL Request:" +urlToRequest);

            var response = client.GetAsync(urlToRequest).Result;

            if (response.StatusCode == HttpStatusCode.OK)

            {

                return response.Content.ReadAsStringAsync().Result;

            }

            return null;

        }

        public static long getSignedNumber(long number) 

        {

            int bitLength = 32;

            long mask = (long)(Math.Pow(2, bitLength) - 1);

            long testMask = 1L << (bitLength - 1);

​

            if ((number & testMask) != 0) {

                return number | ~mask;

            } else {

                return number & mask;

            }

        }

​

        public static String getPageHash(String url) 

        {

            long hash = 0;

            char[] characterArray = url.ToCharArray(0, url.Length);

​

            for (int i = 0; i < characterArray.Length; i++) {

                int characterOrd = characterArray[i];

                long temp1 = getSignedNumber(hash << 5);

                long temp2 = getSignedNumber(temp1 - hash);

                hash = getSignedNumber(temp2 + characterOrd);

                hash = getSignedNumber(hash & hash);

            }

​

            if (hash < 0) {

                return String.Format("0{0}", -hash);

            } else {

                return String.Format("{0}", hash);

            }

        }

    }

}

​

​

​

​