using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.Net;
using System.IO;
using System.Web;

namespace AddCampaign
{
    class AddCampaign
    {
        static void Main(string[] args)
        {
            // Establish the request
            WebRequest webRequest = WebRequest.Create ("http://www.agendize.com/api/1.0/data");
            // the xml data to send
            String xmlData = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><agendize><account><campaign><name>Campagne0</name><color>#EC50FF</color><description>This is a campaign uploaded by c#</description></campaign></account></agendize>";
            // Set the authentication
            string authInfo = "myusername:mypassword";
            authInfo = Convert.ToBase64String(Encoding.Default.GetBytes(authInfo));
            webRequest.Headers["Authorization"] = "Basic " + authInfo;
            // Set the http request in POST method
            webRequest.ContentType = "application/x-www-form-urlencoded";
            webRequest.Method = "POST";
            // Build the query string
            String queryString = "key=3ac024abf8c72460764b965199f81808f4cb08&xml="+urlEncode(xmlData);
            byte[] bytes = Encoding.ASCII.GetBytes (queryString);
            Stream os = null;

            webRequest.ContentLength = bytes.Length;   //Count bytes to send
            os = webRequest.GetRequestStream();
            os.Write (bytes, 0, bytes.Length);         //Send it
 
            // get the response
            HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
            Encoding enc = Encoding.GetEncoding(1252);  // Windows default Code Page
            StreamReader responseStream = new StreamReader(webResponse.GetResponseStream(), enc);
            string xmlContent = responseStream.ReadToEnd();

            webResponse.Close();
            responseStream.Close();

            // Retrieve AgendiZe response code obtained by searching in the parsed xml content
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.LoadXml(xmlContent);
            XmlNodeList nodes = xmlDoc.GetElementsByTagName("result");
            // Display the response code
            Console.WriteLine(nodes.Item(0).InnerText);
          
        }

        // Sometimes Visual Strudio can't get the HttpUtility class that's why we provide you our own urlEncode() method
        static String urlEncode(string toEncode)
        {
            char[] toEncodeCharacters = {'$','&','+',',','/',':',';','=','?','@',' ','\"','<','>','#','%'};
            String[] hexCodedChar = { "24", "26", "2B", "2C", "2F", "3A", "3B", "3D", "3F", "40" ,"20","22","3C","3E","23","25"};
            String encoded = "";
            for (int i = 0; i < toEncode.Length; i++)
            {
                char currentChar = toEncode.ElementAt&ltchar>(i);
                int indice = -1;
                for(int j = 0; j < toEncodeCharacters.Length;j++) 
                    if (currentChar == toEncodeCharacters.ElementAt&ltchar>(j))
                        indice = j;
                if (indice == -1)
                    encoded += currentChar;
                else
                    encoded += "%" + hexCodedChar.ElementAt&ltstring>(indice);
            }
            return encoded;
        }
    }
}