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.langchain4j.embeddingstore.it;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import dev.langchain4j.data.segment.TextSegment;
  import dev.langchain4j.store.embedding.EmbeddingMatch;
  import jakarta.enterprise.context.ApplicationScoped;
  import jakarta.inject.Inject;
  import jakarta.ws.rs.Consumes;
  import jakarta.ws.rs.DELETE;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.QueryParam;
  import jakarta.ws.rs.core.MediaType;
  import org.apache.camel.FluentProducerTemplate;
  import org.apache.camel.component.langchain4j.embeddingstore.LangChain4jEmbeddingStoreAction;
  import org.apache.camel.component.langchain4j.embeddingstore.LangChain4jEmbeddingStoreHeaders;
  
  @Path("/langchain4j-embeddingstore")
  @ApplicationScoped
  public class Langchain4jEmbeddingstoreResource {
      @Inject
      FluentProducerTemplate fluentProducerTemplate;
  
      @Path("/{embeddingStoreType}/add")
      @POST
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public String embeddingStoreAdd(
              @PathParam("embeddingStoreType") String embeddingStoreType,
              String content) {
  
          return fluentProducerTemplate.to("direct:start")
                  .withHeader("embeddingStoreType", embeddingStoreType)
                  .withHeader(LangChain4jEmbeddingStoreHeaders.ACTION, LangChain4jEmbeddingStoreAction.ADD)
                  .withBody(content)
                  .request(String.class);
      }
  
      @SuppressWarnings("unchecked")
      @Path("/{embeddingStoreType}/search")
      @POST
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.APPLICATION_JSON)
      public List<Map<String, String>> embeddingStoreSearch(
              @PathParam("embeddingStoreType") String embeddingStoreType,
              String content) {
  
          List<EmbeddingMatch<TextSegment>> matches = fluentProducerTemplate.to("direct:start")
                  .withHeader("embeddingStoreType", embeddingStoreType)
                  .withHeader(LangChain4jEmbeddingStoreHeaders.ACTION, LangChain4jEmbeddingStoreAction.SEARCH)
                  .withBody(content)
                  .request(List.class);
  
          List<Map<String, String>> results = new ArrayList<>();
          matches.forEach(match -> {
              Map<String, String> embeddingInfo = new HashMap<>();
              embeddingInfo.put("embeddingId", match.embeddingId());
              embeddingInfo.put("text", match.embedded().text());
              results.add(embeddingInfo);
          });
  
          return results;
      }
  
      @Path("/{embeddingStoreType}/remove")
      @DELETE
      public void embeddingStoreDelete(
              @PathParam("embeddingStoreType") String embeddingStoreType,
              @QueryParam("embeddingId") String embeddingId) {
          fluentProducerTemplate.to("direct:start")
                  .withHeader("embeddingStoreType", embeddingStoreType)
                  .withHeader(LangChain4jEmbeddingStoreHeaders.ACTION, LangChain4jEmbeddingStoreAction.REMOVE)
                  .withBody(embeddingId)
                  .request();
      }
  }
  