using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace SmsSender
{
    class Program
    {
        private static string BuildKannelPath(string username, string password, string phoneNumber,
            string smsText)
        {
            return string.Format(
                "cgi-bin/sendsms?username={0}&password={1}&to={2}&text={3}&coding={4}&charset={5}",
                Uri.EscapeDataString(username),
                Uri.EscapeDataString(password),
                Uri.EscapeDataString(phoneNumber),
                Uri.EscapeDataString(smsText),
                Uri.EscapeDataString("2"),
                Uri.EscapeDataString("UTF-8")
            );
        }

        private static Uri BuildKannelUri(string hostName, int port, string username, string password,
            string phoneNumber, string smsText)
        {
            var path = BuildKannelPath(username, password, phoneNumber, smsText);
            var uriBuilder = new UriBuilder("http", hostName, (int)port, path);
            return uriBuilder.Uri;
        }

        public static string HttpKannelGet(string hostName, int port, string username, string password,
                    string phoneNumber, string smsText)
        {
            try
            {
                var uri = BuildKannelUri(hostName, port, username, password, phoneNumber, smsText);
                using (var client = new WebClient())
                {
                    return client.DownloadString(uri);
                }
            }
            catch (Exception ex)
            {
                return ex.ToString();
            }
        }

        static void Main(string[] args)
        {
            Console.WriteLine(HttpKannelGet("85.228.144.188", 13003, "хуй", "пизда", "79642281488", "Тест"));
        }
    }
}