//import java.net.HttpURLConnection;

//import java.net.URL;

//import org.codehaus.jackson.JsonNode;

//import org.codehaus.jackson.map.ObjectMapper;

//import org.codehaus.jackson.node.ArrayNode;

//commented out, because now we are using the backend to do this processing, which involves large files, and causes hard dealine exceeded errors

//import org.pathways.openciss.server.RosieCSVBlobService;

//The FormPanel must submit to a servlet that extends HttpServlet RemoteServiceServlet cannot be used  (taken from http://www.fishbonecloud.com/2010/12/tutorial-gwt-application-for-storing.html)

  private static final transient Logger log = LoggerFactory.getLogger(RosieCSVBlobServlet.class);

  //"Override the doPost method to store the Blob's meta-data "

  public void doPost(HttpServletRequest req, HttpServletResponse res)

      throws ServletException, IOException {

    System.out.println("entered doPost of HUDXML3UploadService");

      BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();

      //Map<String, BlobKey> blobs = blobstoreService.getUploadedBlobs(req);

    Map<String, List<BlobKey>> blobs = blobstoreService.getUploads(req);

    for (Map.Entry<String,  List<BlobKey>> entry : blobs.entrySet())

    {

        System.out.println(entry.getKey() + "/" + entry.getValue());

    }

    List<BlobKey> blobKeys = blobs.get("upload");

    //Get the parameters from the request to populate the HUDXML3Blob object

    HUDXML3Blob b = new HUDXML3Blob();

    b.setXmlUrl(blobKeys.get(0).getKeyString());

    log.info("setting HUDXML blob key to: " + blobKeys.get(0).getKeyString());

    // get the url id for the converted csv

    //RosieCSVBlobService r = new RosieCSVBlobService();

   

    //start the conversion of the XML to CSV

    //String[] csvUrls = r.convertHUDXMLToRosieCSV(b.getXMLUrl());

    //use the backend servlet instead of a class

  //String json = "";

    //try{

    //URL url = new URL("http://rosie-conversion-backend-dot-open-ciss.appspot.com");

      String rosieBackendAddress = BackendServiceFactory.getBackendService().getBackendAddress("big");

      //String url = "http://" + rosieBackendAddress + "/rosie";

      String charset = "UTF-8";

      String hud_xml_url = b.getXmlUrl();

      //String query = String.format("hud_xml_url=%s", URLEncoder.encode(hud_xml_url, charset));

      //HttpURLConnection connection = (HttpURLConnection)(new URL(url + "?" + query).openConnection());

      String key = "hud_xml_url";

      String value = URLEncoder.encode(hud_xml_url, charset);

      System.out.println("value is:" + value);

      System.out.println("rosieBackendAddress is: " + rosieBackendAddress);

      Queue queue = QueueFactory.getDefaultQueue();

      //queue the task and quickly return to the client

      //they'll have to get the blob id in another call

      queue.add(withUrl("/rosie").param(key, value).header("Host", rosieBackendAddress).method(Method.GET));

      //connection.setRequestProperty("Accept-Charset", charset);

      //connection.setRequestMethod("GET");

      //connection.setConnectTimeout(0);

      //connection.connect();

    //InputStream in = connection.getInputStream();

    //int ch;

      //while ((ch = in.read()) != -1)

        //json = json + String.valueOf((char) ch);

      //System.out.println("Response Message is: " + json);

      //connection.disconnect();

  //} catch(IOException ex) {System.out.println("made it here: " + ex.getMessage());  ex.printStackTrace();}

   

    //read the returned JSON's urls

//    ObjectMapper mapper = new ObjectMapper();

//    JsonNode ob =null;

//    try {

//    // unmarshall the JSON

//    ob = mapper.readValue(json, ArrayNode.class);

//  } catch (Exception e) {e.printStackTrace();}

//    for (int i=0; i<5; i++)

//      b.setCSVUrl1(ob.get(0).asText());

//      b.setCSVUrl2(ob.get(1).asText());

//      b.setCSVUrl3(ob.get(2).asText());

//      b.setCSVUrl4(ob.get(3).asText());

//      b.setCSVUrl6(ob.get(4).asText());

//

    HUDXML3BlobService hxbs = new HUDXML3BlobService();

    String blobRecordId = hxbs.createHUDXML3Blob(b);

    System.out.println("generated hud xml blob key is: " + blobRecordId);

//    //b.setXMLUrl("/blobstoreexample/blobservice?blob-key=" + blobKeys.get(0).getKeyString());//.getKeyString());

//    System.out.println("b blobRecordId is: " + b.getHUDXML3BlobRecordId());

//    System.out.println("CSV1 URL is:" + b.csvUrl1);

//    System.out.println("CSV2 URL is:" + b.csvUrl2);

//    System.out.println("CSV3 URL is:" + b.csvUrl3);

//    System.out.println("CSV4 URL is:" + b.csvUrl4);

//    System.out.println("CSV6 URL is:" + b.csvUrl6);

//    System.out.println("XML URL is:" + b.xmlUrl);

//    //Redirect recursively to this servlet (calls doGet)

//    res.sendRedirect("/hudxml3upload/uploadservice?id=" + b.getHUDXML3BlobRecordId());

    //res.getOutputStream().println(b.getHUDXML3BlobRecordId());

   

  }

  @Override

  protected void doGet(HttpServletRequest req, HttpServletResponse resp)

      throws ServletException, IOException {

  System.out.println("doGet in HUDXML3UploadService entered");

    //Send the meta-data id back to the client in the HttpServletResponse response

    String id = req.getParameter("id");

    System.out.println("Parameter id received and to be sent is: " + id);

    resp.setHeader("Content-Type", "text/html");

    //PrintWriter w = resp.getWriter();

    //w.println(id);

    resp.getOutputStream().println(id);

  }

}