/*
    *    Copyright 2016-2024 the original author or authors.
    *
    *    Licensed 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
    *
    *       https://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.mybatis.dynamic.sql.where.condition;
  
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Objects;
  import java.util.function.Predicate;
  import java.util.function.UnaryOperator;
  import java.util.stream.Collectors;
  
  import org.mybatis.dynamic.sql.AbstractListValueCondition;
  import org.mybatis.dynamic.sql.util.StringUtilities;
  
  public class IsInCaseInsensitiveWhenPresent extends AbstractListValueCondition<String>
          implements CaseInsensitiveVisitableCondition {
      private static final IsInCaseInsensitiveWhenPresent EMPTY = new IsInCaseInsensitiveWhenPresent(Collections.emptyList());
  
      public static IsInCaseInsensitiveWhenPresent empty() {
          return EMPTY;
      }
  
      protected IsInCaseInsensitiveWhenPresent(Collection<String> values) {
          super(values.stream().filter(Objects::nonNull).collect(Collectors.toList()));
      }
  
      @Override
      public String operator() {
          return "in"; //$NON-NLS-1$
      }
  
      @Override
      public IsInCaseInsensitiveWhenPresent filter(Predicate<? super String> predicate) {
          return filterSupport(predicate, IsInCaseInsensitiveWhenPresent::new, this, IsInCaseInsensitiveWhenPresent::empty);
      }
  
      /**
       * If not empty, apply the mapping to each value in the list return a new condition with the mapped values.
       *     Else return an empty condition (this).
       *
       * @param mapper a mapping function to apply to the values, if not empty
       * @return a new condition with mapped values if renderable, otherwise an empty condition
       */
      public IsInCaseInsensitiveWhenPresent map(UnaryOperator<String> mapper) {
          return mapSupport(mapper, IsInCaseInsensitiveWhenPresent::new, IsInCaseInsensitiveWhenPresent::empty);
      }
  
      public static IsInCaseInsensitiveWhenPresent of(String... values) {
          return of(Arrays.asList(values));
      }
  
      public static IsInCaseInsensitiveWhenPresent of(Collection<String> values) {
          return new IsInCaseInsensitiveWhenPresent(values).map(StringUtilities::safelyUpperCase);
      }
  }