package edu.pdx.spi.verticles;


import com.fasterxml.jackson.databind.ObjectMapper;
import edu.pdx.spi.GcmContent;
import io.vertx.core.AbstractVerticle;
import io.vertx.core.eventbus.EventBus;
import io.vertx.core.json.JsonObject;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.LinkedList;
import java.util.List;

import static edu.pdx.spi.ChannelNames.ALL_ALERTS;


public class WatchAlertsSendServer extends AbstractVerticle {
  EventBus eb;
  int port = 9994;
  public static final String API_KEY = "AIzaSyBe-3d2hooDYXHHQt5Rb8Qo4wn0vRVRMNE";
  String UserKey;

  // alert sending interval
  int interval = 20000;


  @Override
  public void start() {
    // TODO: delete inactive registration numbers?
    // (maintain mapping of active users instead of just ones who've registered...)

    // GCM registration numbers
    List<String> userGcmRegistrationTokens = new LinkedList<>();

    eb = vertx.eventBus();

    System.out.println("running alerts simulation, sending every " + interval + " milliseconds");

    // handle new registration tokens from android app
    eb.consumer("newGcmToken", message -> {
      String userRegToken = message.body().toString();
      System.out.println("Received New User Registration: " + userRegToken);

      // add new token to list
      userGcmRegistrationTokens.add(userRegToken);
    });

    eb.consumer(ALL_ALERTS, msg -> {
      for (String userGcmRegistrationToken : userGcmRegistrationTokens) {
        GcmContent content = createContent(userGcmRegistrationToken, ((JsonObject) msg).encode());
        sendMessage(content, API_KEY);
      }
    });
  }

  // creates message content to be sent to watch
  public GcmContent createContent(String userToken, String message) {
    GcmContent c = new GcmContent();

    c.addRegId(userToken);

    //TODO: How does the watch want to consume this data?
    c.createData("SPI ALERT!", message);
    return c;
  }

  private void sendMessage(GcmContent content, String apiKey) {
    try {

      // 1. URL
      URL url = new URL("https://android.googleapis.com/gcm/send");

      // 2. Open connection
      HttpURLConnection conn = (HttpURLConnection) url.openConnection();

      // 3. Specify POST method
      conn.setRequestMethod("POST");

      // 4. Set the headers
      conn.setRequestProperty("Content-Type", "application/json");
      conn.setRequestProperty("Authorization", "key=" + apiKey);

      conn.setDoOutput(true);

      // 5. Add JSON data into POST request body

      // 5.1 Use Jackson object mapper to convert Content object into JSON
      ObjectMapper mapper = new ObjectMapper();

      // 5.2 Get connection output stream
      DataOutputStream wr = new DataOutputStream(conn.getOutputStream());

      // 5.3 Copy Content "JSON" into
      mapper.writeValue(wr, content);

      // 5.4 Send the request
      wr.flush();

      // 5.5 close
      wr.close();

      // 6. Get the response
      int responseCode = conn.getResponseCode();
      // System.out.println("\nSending 'POST' request to URL : " + url);
      // System.out.println("Response Code : " + responseCode);

      BufferedReader in = new BufferedReader(
          new InputStreamReader(conn.getInputStream()));
      String inputLine;
      StringBuffer response = new StringBuffer();

      while ((inputLine = in.readLine()) != null) {
        response.append(inputLine);
      }
      in.close();

      // 7. Print result
      // System.out.println(response.toString());

    } catch (MalformedURLException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}

@@ -1706,17 +1706,20 @@
 Token, (
-(
+new 
 JsonObje
@@ -1724,13 +1724,28 @@
 ject
-) msg
+((String)msg.body())
 ).en

Make sure and send jsonobject