//================================================ C# Send Batch code sample ================================================//

/* We use the HttpUtility class from the System.Web namespace
*
* If you see of the error "'HttpUtility' is not declared", you are probably
* using a newer version of Visual Studio. You need to navigate to
* Project | <Project name> Properties | Application,
* and select e.g. ".NET Framework 4" instead of ".NET Framework 4 Client Profile" as your 'Target framework'.
*
* Next, visit Project | Add reference, and select "System.Web" (specifically
* System.Web - not System.Web.<something>).
*/

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


namespace C_Sharp_sendbatch
{
	class BatchSMS{

		public static string Post(string url, string data){
	
		string result = null;
		try{
			byte[] buffer = Encoding.Default.GetBytes(data);
			HttpWebRequest WebReq = (HttpWebRequest)WebRequest.Create(url);
			WebReq.Method = "POST";
			WebReq.ContentType = "application/x-www-form-urlencoded";
			WebReq.ContentLength = buffer.Length;
			Stream PostData = WebReq.GetRequestStream();
	
			PostData.Write(buffer, 0, buffer.Length);
			PostData.Close();
	
			HttpWebResponse WebResp = (HttpWebResponse)WebReq.GetResponse();
			Console.WriteLine(WebResp.StatusCode);
	
			Stream Response = WebResp.GetResponseStream();
			StreamReader _Response = new StreamReader(Response);
			result = _Response.ReadToEnd();
		}
		catch (Exception ex){
			Console.WriteLine(ex.Message);
		}
		return result.Trim() + "\n";
	}

        static void Main(string[] args){
		TextReader tr = new StreamReader(@"\Path\to\your\batch_file");
		// E.g. TextReader tr = new StreamReader(@"C:\Users\user\Desktop\my_batch_file.csv")
		// Please see http://community.bulksms.com/docs/eapi/submission/send_batch/ for information 
		// on what the format of your input file should be.

		string line;
		string batch = "";
		while ((line = tr.ReadLine()) != null){
			batch += line + "\n";
		}
		//Console.WriteLine(batch);
	
		tr.Close();
	
	
		string url = "http://community.bulksms.com:5567/eapi/submission/send_batch/1/1.0";
	
		/*****************************************************************************************************
		**Construct data
		*****************************************************************************************************/
		/*
		* Note the suggested encoding for the some parameters, notably
		* the username, password and especially the message.  ISO-8859-1
		* is essentially the character set that we use for message bodies,
		* with a few exceptions for e.g. Greek characters. For a full list,
		* see: http://community.bulksms.com/docs/eapi/submission/character_encoding/
		*/

		string data = "";
		data += "username=" + HttpUtility.UrlEncode("your_username", System.Text.Encoding.GetEncoding("ISO-8859-1"));
		data += "&password=" + HttpUtility.UrlEncode("your_password", System.Text.Encoding.GetEncoding("ISO-8859-1"));
		data += "&batch_data=" + HttpUtility.UrlEncode(batch, System.Text.Encoding.GetEncoding("ISO-8859-1"));
		data += "&want_report=1";
	
		string sms_result = Post(url, data);
	
		string[] parts = sms_result.Split('|');
	
		string statusCode = parts[0];
		string statusString = parts[1];
	
		if (!statusCode.Equals("0")){
			Console.WriteLine("Error: " + statusCode + ": " + statusString);
		}
		else{
			Console.WriteLine("Success: batch ID " + parts[2]);
		}
	
		Console.ReadLine();
        }
    }
}