package com.nilhcem.fakesmtp.model;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 import com.nilhcem.fakesmtp.core.I18n;

 import com.nilhcem.fakesmtp.core.exception.BindPortException;

 import com.nilhcem.fakesmtp.core.exception.InvalidPortException;

 import com.nilhcem.fakesmtp.core.exception.OutOfRangePortException;

 import com.nilhcem.fakesmtp.server.SMTPServerHandler;

 /**

  * UI presentation model of the application.

  * <p>

  * The essence of a Presentation Model is of a fully self-contained class that represents all the data

  * and behavior of the UI window, but without any of the controls used to render that UI on the screen.

  * </p>

  *

  * @author Nilhcem

  * @since 1.0

  * @see <a href="link">http://martinfowler.com/eaaDev/PresentationModel.html</a>

  */

 public enum UIModel {

         INSTANCE;

         private boolean started = false; // server is not started by default

         private String portStr;

         private int nbMessageReceived = 0;

         private String savePath = I18n.INSTANCE.get("emails.default.dir");

         private final Map<Integer, String> listMailsMap = new HashMap<Integer, String>();

         private List<String> relayDomains;

         UIModel() {

         }

         /**

          * Happens when a user clicks on the start button.

          * <p>

          * This method will notify the {@code SMTPServerHandler} to start the server.

          * </p>

          *

          * @throws InvalidPortException when the port is invalid.

          * @throws BindPortException when the port cannot be bound.

          * @throws OutOfRangePortException when the port is out of range.

          * @throws RuntimeException when an unknown exception happened.

          */

         public void toggleButton() throws BindPortException, OutOfRangePortException, InvalidPortException {

                 if (started) {

                         // Do nothing. We can't stop the server. User has to quit the app (issue with SubethaSMTP)

                 } else {

                         int port;

                         try {

                                 port = Integer.parseInt(portStr);

                         } catch (NumberFormatException e) {

                                 throw new InvalidPortException(e);

                         }

                         SMTPServerHandler.INSTANCE.startServer(port, null);

                 }

                 started = !started;

         }

         /**

          * Returns {@code true} if the server is started.

          *

          * @return {@code true} if the server is started.

          */

         public boolean isStarted() {

                 return started;

         }

         public void setPort(String port) {

                 this.portStr = port;

         }

         public int getNbMessageReceived() {

                 return nbMessageReceived;

         }

         public void setNbMessageReceived(int nbMessageReceived) {

                 this.nbMessageReceived = nbMessageReceived;

         }

         public String getSavePath() {

                 return savePath;

         }

         public void setSavePath(String savePath) {

                 this.savePath = savePath;

         }

         public Map<Integer, String> getListMailsMap() {

                 return listMailsMap;

         }

         public List<String> getRelayDomains() {

                 return relayDomains;

         }

         public void setRelayDomains(List<String> relayDomains) {

                 this.relayDomains = relayDomains;

         }

 }