/*
    * 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.syncope.client.console.panels;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import java.util.stream.Collectors;
  
  public class ConfParam implements Serializable {
  
      private static final long serialVersionUID = -9162995157523535429L;
  
      private String schema;
  
      private final List<Serializable> values = new ArrayList<>();
  
      private boolean multivalue;
  
      public String getSchema() {
          return schema;
      }
  
      public void setSchema(final String schema) {
          this.schema = schema;
      }
  
      public List<Serializable> getValues() {
          return values;
      }
  
      public Object valueAsObject() {
          return multivalue
                  ? values
                  : values.isEmpty()
                  ? null
                  : values.get(0);
      }
  
      public void setValues(final Object value) {
          this.values.clear();
          if (value instanceof Collection) {
              this.values.addAll(((Collection<?>) value).stream().
                      filter(Serializable.class::isInstance).
                      map(Serializable.class::cast).
                      collect(Collectors.toList()));
              this.multivalue = true;
          } else {
              this.values.add((Serializable) value);
              this.multivalue = false;
          }
      }
  
      public void setMultivalue(final boolean multivalue) {
          this.multivalue = multivalue;
      }
  
      public boolean isMultivalue() {
          return multivalue;
      }
  
      public boolean isInstance(final Class<?> clazz) {
          return !values.isEmpty() && clazz.isInstance(values.get(0));
      }
  
      @Override
      public String toString() {
          return "ConfParam{"
                  + "schema=" + schema
                  + ", values=" + values
                  + ", multivalue=" + multivalue
                  + '}';
      }
  }