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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.Collections;
import java.util.List;

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

import com.squareup.javapoet.ParameterSpec;
import com.squareup.javapoet.TypeName;

/**
 * @author [email protected] (Marcio Endo)
 */
@Pojo
public abstract class ParameterInfo
    implements
    CanGenerateCompilationError,
    HasAnnotationInfoList,
    Testable {

  public abstract Index index();
  @Override
  public abstract List annotationInfoList();
  public abstract SimpleTypeInfo simpleTypeInfo();
  public abstract String name();

  ParameterInfo() {
  }

  public static ParameterInfoBuilder newPojo() {
    return new ParameterInfoBuilderPojo();
  }

  @Override
  public Equality isEqualTo(Object that) {
    return Tester.of(ParameterInfo.class)
        .add("index", o -> o.index())
        .add("annotationInfoList", o -> o.annotationInfoList())
        .add("simpleTypeInfo", o -> o.simpleTypeInfo())
        .add("name", o -> o.name())
        .test(this, that);
  }

  public boolean isInfoOf(Class type) {
    return simpleTypeInfo().isInfoOf(type);
  }

  public FieldInfo toFieldInfo() {
    return FieldInfo.newPojo()
        .annotationInfoList(Collections. emptyList())
        .simpleTypeInfo(simpleTypeInfo())
        .name(name())
        .build();
  }

  public IndexedParameterInfo toIndexedParameterInfo(int index, int total) {
    return new IndexedParameterInfoBuilder(index, total).build();
  }

  @Override
  public String toString() {
    return simpleTypeInfo().getDeclaredName() + " " + name();
  }

  @Override
  public void compilationError(String message) {
  }

  public ParameterInfoFieldWriter fieldWriter() {
    return new ParameterInfoFieldWriter(this);
  }

  public ParameterSpec parameterSpec() {
    TypeName type = simpleTypeInfo().typeName();
    return ParameterSpec.builder(type, name())
        .build();
  }

  void addName(List