content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.quarkus.component.google.it;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.net.URI;
  import java.nio.charset.StandardCharsets;
  import java.util.Base64;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Properties;
  
  import com.google.api.client.googleapis.json.GoogleJsonResponseException;
  import com.google.api.services.gmail.model.Message;
  import com.google.api.services.gmail.model.Profile;
  import jakarta.inject.Inject;
  import jakarta.mail.MessagingException;
  import jakarta.mail.Session;
  import jakarta.mail.internet.MimeMessage;
  import jakarta.ws.rs.Consumes;
  import jakarta.ws.rs.DELETE;
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.QueryParam;
  import jakarta.ws.rs.core.MediaType;
  import jakarta.ws.rs.core.Response;
  import org.apache.camel.CamelExecutionException;
  import org.apache.camel.ProducerTemplate;
  
  import static jakarta.mail.Message.RecipientType.TO;
  
  @Path("/google-mail")
  public class GoogleMailResource {
  
      private static final String EMAIL_SUBJECT = "Camel Quarkus Google Mail Test";
      private static final String USER_ID = "me";
  
      @Inject
      ProducerTemplate producerTemplate;
  
      @Path("/create")
      @POST
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public Response createMail(String message) throws Exception {
          Message email = createMessage(message);
          Map<String, Object> headers = new HashMap<>();
          headers.put("CamelGoogleMail.userId", USER_ID);
          headers.put("CamelGoogleMail.content", email);
          final Message response = producerTemplate.requestBodyAndHeaders("google-mail://messages/send", null, headers,
                  Message.class);
          return Response
                  .created(new URI("https://camel.apache.org/"))
                  .entity(response.getId())
                  .build();
      }
  
      @Path("/read")
      @GET
      @Produces(MediaType.TEXT_PLAIN)
      public Response readMail(@QueryParam("messageId") String messageId) {
          Map<String, Object> headers = new HashMap<>();
          headers.put("CamelGoogleMail.userId", USER_ID);
          headers.put("CamelGoogleMail.id", messageId);
  
          try {
              Message response = producerTemplate.requestBodyAndHeaders("google-mail://messages/get", null, headers,
                      Message.class);
              if (response != null && response.getPayload() != null) {
                  String body = new String(response.getPayload().getBody().decodeData(), StandardCharsets.UTF_8);
                  return Response.ok(body).build();
              } else {
                  return Response.status(Response.Status.NOT_FOUND).build();
              }
          } catch (CamelExecutionException e) {
              Exception exchangeException = e.getExchange().getException();
              if (exchangeException != null && exchangeException.getCause() instanceof GoogleJsonResponseException) {
                  GoogleJsonResponseException originalException = (GoogleJsonResponseException) exchangeException.getCause();
                  return Response.status(originalException.getStatusCode()).build();
              }
              throw e;
          }
      }
  
      @Path("/delete")
      @DELETE
      public Response deleteMail(@QueryParam("messageId") String messageId, String message) {
          Map<String, Object> headers = new HashMap<>();
          headers.put("CamelGoogleMail.userId", USER_ID);
          headers.put("CamelGoogleMail.id", messageId);
          producerTemplate.requestBodyAndHeaders("google-mail://messages/delete", message, headers);
          return Response.status(Response.Status.NO_CONTENT).build();
      }
  
      private Message createMessage(String body) throws MessagingException, IOException {
          Session session = Session.getDefaultInstance(new Properties(), null);
  
          Profile profile = producerTemplate.requestBody("google-mail://users/getProfile?inBody=userId", USER_ID, Profile.class);
          MimeMessage mm = new MimeMessage(session);
          mm.addRecipients(TO, profile.getEmailAddress());
          mm.setSubject(EMAIL_SUBJECT);
          mm.setContent(body, "text/plain");
  
          Message message = new Message();
          try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
              mm.writeTo(baos);
              message.setRaw(Base64.getUrlEncoder().encodeToString(baos.toByteArray()));
          }
          return message;
      }
  }
  