/*
    * 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.commons;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  import java.util.ListIterator;
  import java.util.stream.Collectors;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.syncope.common.lib.SyncopeConstants;
  
  public abstract class PropertyList<T> implements List<String> {
  
      @Override
      public boolean add(final String item) {
          final List<String> list = getEnumValuesAsList(getValues());
          final boolean res = list.add(item);
          setValues(list);
          return res;
      }
  
      @Override
      public int size() {
          return getEnumValuesAsList(getValues()).size();
      }
  
      @Override
      public boolean isEmpty() {
          return getEnumValuesAsList(getValues()).isEmpty();
      }
  
      @Override
      public boolean contains(final Object o) {
          return getEnumValuesAsList(getValues()).contains(o);
      }
  
      @Override
      public Iterator<String> iterator() {
          return getEnumValuesAsList(getValues()).iterator();
      }
  
      @Override
      public Object[] toArray() {
          throw new UnsupportedOperationException("Not supported yet.");
      }
  
      @Override
      public <T> T[] toArray(final T[] a) {
          throw new UnsupportedOperationException("Not supported yet.");
      }
  
      @Override
      public boolean remove(final Object o) {
          final List<String> list = getEnumValuesAsList(getValues());
          final boolean res = list.remove(o);
          setValues(list);
          return res;
      }
  
      @Override
      public boolean containsAll(final Collection<?> c) {
          return getEnumValuesAsList(getValues()).containsAll(c);
      }
  
      @Override
      public boolean addAll(final Collection<? extends String> c) {
          final List<String> list = getEnumValuesAsList(getValues());
          boolean res = list.addAll(c);
          setValues(list);
          return res;
      }
  
      @Override
      public boolean addAll(final int index, final Collection<? extends String> c) {
          final List<String> list = getEnumValuesAsList(getValues());
          final boolean res = list.addAll(index, c);
          setValues(list);
          return res;
      }
  
      @Override
     public boolean removeAll(final Collection<?> c) {
         final List<String> list = getEnumValuesAsList(getValues());
         final boolean res = list.removeAll(c);
         setValues(list);
         return res;
     }
 
     @Override
     public boolean retainAll(final Collection<?> c) {
         final List<String> list = getEnumValuesAsList(getValues());
         final boolean res = list.retainAll(c);
         setValues(list);
         return res;
     }
 
     @Override
     public void clear() {
         final List<String> list = getEnumValuesAsList(getValues());
         list.clear();
         setValues(list);
     }
 
     @Override
     public String get(final int index) {
         final List<String> list = getEnumValuesAsList(getValues());
         return list.get(index);
     }
 
     @Override
     public String set(final int index, final String element) {
         final List<String> list = getEnumValuesAsList(getValues());
         final String res = list.set(index, element);
         setValues(list);
         return res;
     }
 
     @Override
     public void add(final int index, final String element) {
         throw new UnsupportedOperationException("Not supported yet.");
     }
 
     @Override
     public String remove(final int index) {
         final List<String> list = getEnumValuesAsList(getValues());
         final String res = list.remove(index);
         setValues(list);
         return res;
     }
 
     @Override
     public int indexOf(final Object o) {
         throw new UnsupportedOperationException("Not supported yet.");
     }
 
     @Override
     public int lastIndexOf(final Object o) {
         throw new UnsupportedOperationException("Not supported yet.");
     }
 
     @Override
     public ListIterator<String> listIterator() {
         throw new UnsupportedOperationException("Not supported yet.");
     }
 
     @Override
     public ListIterator<String> listIterator(final int index) {
         throw new UnsupportedOperationException("Not supported yet.");
     }
 
     @Override
     public List<String> subList(final int fromIndex, final int toIndex) {
         throw new UnsupportedOperationException("Not supported yet.");
     }
 
     public static String getEnumValuesAsString(final List<String> enumerationValues) {
         return enumerationValues.stream().
                 map(v -> StringUtils.isEmpty(v) ? StringUtils.EMPTY : v.trim()).
                 collect(Collectors.joining(SyncopeConstants.ENUM_VALUES_SEPARATOR));
     }
 
     public static List<String> getEnumValuesAsList(final String enumerationValues) {
         final List<String> values = new ArrayList<>();
         if (StringUtils.isNotBlank(enumerationValues)) {
             for (String value : enumerationValues.split(SyncopeConstants.ENUM_VALUES_SEPARATOR)) {
                 values.add(value.trim());
             }
             if (enumerationValues.trim().endsWith(SyncopeConstants.ENUM_VALUES_SEPARATOR)) {
                 values.add(StringUtils.EMPTY);
             }
         } else {
             values.add(StringUtils.EMPTY);
         }
 
         return values;
     }
 
     public abstract String getValues();
 
     public abstract void setValues(List<String> list);
 }