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/*
 * Copyright 2014 Objectos, Fábrica de Software LTDA.
 *
 * 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
 *
 * 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 br.com.objectos.way.code;

import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;

import br.com.objectos.way.testable.Equality;
import br.com.objectos.way.testable.Testable;
import br.com.objectos.way.testable.Tester;

/**
 * @author [email protected] (Marcio Endo)
 */
public class AnnotationValueInfoMap implements Testable {

  private final List list;
  private final Map nameMap;

  private AnnotationValueInfoMap(List list) {
    this.list = list;
    nameMap = list.stream().collect(Collectors.toMap((AnnotationValueInfo x) -> x.name(), (x) -> x));
  }

  public static AnnotationValueInfoMap mapOf(AnnotationValueInfo... values) {
    return mapOf(Arrays.asList(values));
  }

  public static AnnotationValueInfoMap mapOf(List list) {
    return new AnnotationValueInfoMap(list);
  }

  public Optional get(String name) {
    AnnotationValueInfo nullable = nameMap.get(name);
    return Optional.ofNullable(nullable);
  }

  public Optional> annotationInfoArrayValue(String name) {
    return AnnotationValueKind.ARRAY_ANNOTATION.getIfPresent(nameMap, name);
  }

  public Optional> enumConstantInfoArrayValue(String name) {
    return AnnotationValueKind.ARRAY_ENUM.getIfPresent(nameMap, name);
  }

  public Optional> getTypeArray(String name) {
    return AnnotationValueKind.ARRAY_TYPE.getIfPresent(nameMap, name);
  }

  @Override
  public Equality isEqualTo(Object that) {
    return Tester.of(AnnotationValueInfoMap.class)
        .add("list", o -> o.list)
        .test(this, that);
  }

  public List list() {
    return list;
  }

}