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.knative.producer.it;
  
  import java.time.format.DateTimeFormatter;
  import java.time.format.DateTimeParseException;
  
  import jakarta.enterprise.context.ApplicationScoped;
  import jakarta.inject.Inject;
  import jakarta.json.Json;
  import jakarta.json.JsonObject;
  import jakarta.ws.rs.Consumes;
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.MediaType;
  import jakarta.ws.rs.core.Response;
  import org.apache.camel.CamelContext;
  import org.apache.camel.Exchange;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.cloudevents.CloudEvents;
  import org.apache.camel.component.knative.KnativeComponent;
  import org.apache.camel.component.mock.MockEndpoint;
  
  @Path("/knative-producer")
  @ApplicationScoped
  public class KnativeProducerResource {
      @Inject
      CamelContext context;
  
      @Inject
      ProducerTemplate producerTemplate;
  
      @GET
      @Path("inspect")
      @Produces(MediaType.APPLICATION_JSON)
      public JsonObject inspect() {
          var component = context.getComponent("knative", KnativeComponent.class);
          var builder = Json.createObjectBuilder();
  
          if (component.getProducerFactory() != null) {
              builder.add("producer-factory", component.getProducerFactory().getClass().getName());
          }
          return builder.build();
      }
  
      @GET
      @Path("/send/{type}/{msg}")
      public Response sendMessageToChannel(@PathParam("type") String type, @PathParam("msg") String message) {
          producerTemplate.sendBody(String.format("direct:%s", type), message);
          return Response.ok().build();
      }
  
      @Path("/mock/{name}")
      @GET
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public boolean validProducedCloudEvent(@PathParam("name") String endpointName) {
          MockEndpoint mockEndpoint = context.getEndpoint(String.format("mock:%s", endpointName), MockEndpoint.class);
          Exchange result = mockEndpoint.getReceivedExchanges().stream()
                  .findAny().get();
  
          // check there is a time
          String time = result.getMessage().getHeader("ce-time", String.class);
          if (time == null) {
              return false;
          }
          // check the time is valid
          try {
              DateTimeFormatter.ISO_INSTANT.parse(time);
          } catch (DateTimeParseException e) {
              // if no valid time format return false
              return false;
          }
          // check there is an id
          String id = result.getMessage().getHeader("ce-id", String.class);
          if (id == null) {
              return false;
          }
          // check there is a source
          String source = result.getMessage().getHeader("ce-source", String.class);
          if (source == null) {
              return false;
          }
          // check there is a type
          String type = result.getMessage().getHeader("ce-type", String.class);
          if (type == null) {
              return false;
          }
          // check there is a spec version
          String specVersion = result.getMessage().getHeader("ce-specversion", String.class);
          if (specVersion == null) {
              return false;
          }
          // check spec version is valid
          if (CloudEvents.v1_0.version().equals(specVersion) || CloudEvents.v1_0_1.version().equals(specVersion)) {
              return true;
          }
  
          // spec version invalid
          return false;
  
      }
  }
  