/*
    * Copyright 2015 Data Archiving and Networked Services (an institute of
    * Koninklijke Nederlandse Akademie van Wetenschappen), King's College London,
    * Georg-August-Universitaet Goettingen Stiftung Oeffentlichen Rechts
    *
    * Licensed under the EUPL, Version 1.1 or – as soon they will be approved by
    * the European Commission - subsequent versions of the EUPL (the "Licence");
    * You may not use this work except in compliance with the Licence.
    * You may obtain a copy of the Licence at:
   *
   * https://joinup.ec.europa.eu/software/page/eupl
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the Licence is distributed on an "AS IS" basis,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the Licence for the specific language governing
   * permissions and limitations under the Licence.
   */
  
  package eu.ehri.project.commands;
  
  import com.tinkerpop.frames.FramedGraph;
  import eu.ehri.project.core.GraphManager;
  import eu.ehri.project.core.GraphManagerFactory;
  import eu.ehri.project.models.UserProfile;
  import org.apache.commons.cli.CommandLine;
  import org.apache.commons.cli.Option;
  import org.apache.commons.cli.Options;
  
  import java.util.Optional;
  
  /**
   * Delete a single item via the command line.
   */
  public class EntityDelete extends BaseCommand {
  
      final static String NAME = "delete";
  
      @Override
      protected void setCustomOptions(Options options) {
          options.addOption(Option.builder()
                  .longOpt("user")
                  .hasArg()
                  .type(String.class)
                  .desc("Identifier of user to import as")
                  .build());
          options.addOption(Option.builder()
                  .longOpt("log")
                  .hasArg()
                  .type(String.class)
                  .desc("Log message for import action.")
                  .build());
      }
  
      @Override
      public String getUsage() {
          return String.format("%s --user <user> [OPTIONS] <id>", NAME);
      }
  
      @Override
      public String getHelp() {
          return "Delete an item by ID.";
      }
  
      @Override
      public int execWithOptions(FramedGraph<?> graph,
              CommandLine cmdLine) throws Exception {
  
          // the first argument is the item ID, and that must be specified
          if (cmdLine.getArgList().size() < 1)
              throw new RuntimeException(getUsage());
          String id = cmdLine.getArgs()[0];
  
          String logMessage = "Deleting item " + id + " via the command-line";
          if (cmdLine.hasOption("log")) {
              logMessage = cmdLine.getOptionValue("log");
          }
  
          GraphManager manager = GraphManagerFactory.getInstance(graph);
  
          // Find the user
          UserProfile user = manager.getEntity(cmdLine.getOptionValue("user"),
                  UserProfile.class);
          api(graph, user).delete(id, Optional.of(logMessage));
  
          return 0;
      }
  }