/*
    * 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.maven.wrapper.cli;
  
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  /**
   * Command line option.
   */
  public class CommandLineOption {
      private final Set<String> options = new HashSet<>();
  
      private Class<?> argumentType = Void.TYPE;
  
      private String description;
  
      private String subcommand;
  
      private String deprecationWarning;
  
      private boolean incubating;
  
      public CommandLineOption(Iterable<String> options) {
          for (String option : options) {
              this.options.add(option);
          }
      }
  
      public Set<String> getOptions() {
          return options;
      }
  
      public CommandLineOption hasArgument() {
          argumentType = String.class;
          return this;
      }
  
      public CommandLineOption hasArguments() {
          argumentType = List.class;
          return this;
      }
  
      public String getSubcommand() {
          return subcommand;
      }
  
      public CommandLineOption mapsToSubcommand(String command) {
          this.subcommand = command;
          return this;
      }
  
      public String getDescription() {
          StringBuilder result = new StringBuilder();
          if (description != null) {
              result.append(description);
          }
          if (deprecationWarning != null) {
              if (result.length() > 0) {
                  result.append(' ');
              }
              result.append("[deprecated - ");
              result.append(deprecationWarning);
              result.append("]");
          }
          if (incubating) {
              if (result.length() > 0) {
                  result.append(' ');
              }
              result.append("[incubating]");
          }
          return result.toString();
      }
  
      public CommandLineOption hasDescription(String description) {
          this.description = description;
          return this;
      }
  
      public boolean getAllowsArguments() {
          return argumentType != Void.TYPE;
      }
 
     public boolean getAllowsMultipleArguments() {
         return argumentType == List.class;
     }
 
     public CommandLineOption deprecated(String deprecationWarning) {
         this.deprecationWarning = deprecationWarning;
         return this;
     }
 
     public CommandLineOption incubating() {
         incubating = true;
         return this;
     }
 
     public String getDeprecationWarning() {
         return deprecationWarning;
     }
 }