/**
 * 
 */
package com.lc8n.util;

import java.io.File;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.EntityUtils;

import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;

import com.lc8n.util.ProgressMultipartEntity;
import com.lc8n.util.ProgressMultipartEntity.ProgressListener;


/**
 * @author joe
 *
 */
public class FileUploader extends AsyncTask<File, Integer, String> {
	
	ProgressDialog pd;
	int totalSize;
	protected Context mContext;
	
    public FileUploader(Context context) {

        mContext = context;
    }
	@Override
	protected void onPreExecute()
	{

	}
	
	public void prepare(int max) {
		pd = new ProgressDialog(mContext);
		pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
		pd.setMessage("Uploading File...");
		pd.setCancelable(false);
		pd.setMax(max);
		pd.show();
	}

	@Override
	protected String doInBackground(File... file) {
		
		HttpClient httpClient = new DefaultHttpClient();
		HttpContext httpContext = new BasicHttpContext();
		HttpPost httpPost = new HttpPost("http://www.blaupload.co.uk/upload_file.php");
		Log.d("File", file[0].getName());
		
		try
		{
			ProgressMultipartEntity multipartContent = new ProgressMultipartEntity(new ProgressListener()
			{
				
				public void transferred(long num)
				{
					Log.d("Progress", String.valueOf(num));
					publishProgress((int)(num/1024));
				}
			});

			// We use FileBody to transfer an image
			multipartContent.addPart("file", new FileBody(file[0]));

			totalSize = (int)(multipartContent.getContentLength()/1024);
			Log.d("Size", String.valueOf(totalSize));
			// Send it
			httpPost.setEntity(multipartContent);
			HttpResponse response = httpClient.execute(httpPost, httpContext);
			String serverResponse = EntityUtils.toString(response.getEntity());

			return serverResponse;
		}

		catch (Exception e)
		{
			System.out.println(e);
		}
		return null;
	}

	@Override
	protected void onProgressUpdate(Integer... progress)
	{
		pd.setProgress((int) (progress[0]));
	}

	@Override
	protected void onPostExecute(String a)
	{
		pd.dismiss();
	}
}