/*
    * Copyright 2018 the original author or authors.
    *
    *  Licensed 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.openehealth.ipf.platform.camel.ihe.fhir.iti68;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.http4.HttpMethods;
  import org.apache.camel.support.ExpressionAdapter;
  import org.openehealth.ipf.commons.ihe.fhir.iti68.Iti68AuditDataset;
  import org.openehealth.ipf.platform.camel.ihe.atna.interceptor.AuditInterceptor;
  import org.openehealth.ipf.platform.camel.ihe.ws.StandardTestContainer;
  
  import java.io.ByteArrayInputStream;
  import java.util.Arrays;
  
  /**
   *
   */
  public class Iti68TestRouteBuilder extends RouteBuilder {
  
      static final String DOCUMENT_UNIQUE_ID = "documentUniqueId";
      static final String HOME_COMMUNITY_ID = "homeCommunityId";
      static final String REPOSITORY_ID = "repositoryId";
  
      static final byte[] DATA;
  
      static {
          DATA = new byte[10000];
          Arrays.fill(DATA, (byte) 'X');
      }
  
      private final boolean returnError;
  
      public Iti68TestRouteBuilder(boolean returnError) {
          this.returnError = returnError;
      }
  
      @Override
      public void configure() throws Exception {
  
          from("direct:input")
                  .setHeader(Exchange.HTTP_METHOD, constant(HttpMethods.GET))
                  .toF("http4:localhost:%d", StandardTestContainer.DEMO_APP_PORT);
  
          from("mhd-iti68:download?audit=true")
                  .errorHandler(noErrorHandler())
                  .transform(new Iti68Responder());
      }
  
  
      private class Iti68Responder extends ExpressionAdapter {
  
          @Override
          public Object evaluate(Exchange exchange) {
              Iti68AuditDataset auditDataset = exchange.getIn().getHeader(AuditInterceptor.AUDIT_DATASET_HEADER, Iti68AuditDataset.class);
              auditDataset.setDocumentUniqueId(DOCUMENT_UNIQUE_ID);
              auditDataset.setHomeCommunityId(HOME_COMMUNITY_ID);
              auditDataset.setRepositoryUniqueId(REPOSITORY_ID);
              if (!returnError) {
                  return new ByteArrayInputStream(DATA);
              } else {
                  throw new RuntimeException("Something went wrong");
              }
          }
      }
  
  }