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/*
 * Copyright 2014-2015 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.pojo.plugin;

import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import com.squareup.javapoet.CodeBlock;
import com.squareup.javapoet.FieldSpec;
import com.squareup.javapoet.MethodSpec;
import com.squareup.javapoet.TypeName;
import com.squareup.javapoet.TypeSpec;

/**
 * @author [email protected] (Marcio Endo)
 */
public abstract class Contribution {

  Contribution() {
  }

  public static Builder builder() {
    return new Builder();
  }

  public static Contribution empty() {
    return EmptyContribution.get();
  }

  abstract void accept(TypeSpec.Builder type);

  abstract void acceptBuilder(br.com.objectos.way.pojo.plugin.BuilderConfiguration builder, Class generator);

  void acceptGeneratedBy(GeneratedBy generatedBy, Class action) {
    generatedBy.add(action);
  }

  void acceptInvalidateMethod(InvalidateMethod method) {
  }

  abstract void acceptPojoConstructor(PojoConstructor constructor);

  abstract void acceptPojoPropertyPlugin(List pluginList);

  public static class Builder {

    private final List list = new ArrayList<>();

    private Builder() {
    }

    public Builder addBuilderPropertyAction(BuilderPropertyAction action) {
      list.add(BuilderPropertyActionContribution.of(action));
      return this;
    }

    public Builder addCustomField(Type type, String name) {
      return addCustomField(TypeName.get(type), name);
    }

    public Builder addCustomField(TypeName typeName, String name) {
      list.add(CustomFieldContribution.of(typeName, name));
      return this;
    }

    public Builder addField(FieldSpec field) {
      list.add(FieldContribution.of(field));
      return this;
    }

    public Builder addMethod(MethodSpec method) {
      list.add(MethodContribution.of(method));
      return this;
    }

    public Builder addMethods(Collection methods) {
      methods.stream()
          .map(MethodContribution::of)
          .forEach(list::add);
      return this;
    }

    public Builder addInvalidateMethodAction(InvalidateMethodAction action) {
      list.add(InvalidateMethodActionContribution.of(action));
      return this;
    }

    public Builder addPojoConstructorCode(CodeBlock code) {
      list.add(PojoConstructorCodeContribution.of(code));
      return this;
    }

    public Builder addPojoConstructorStatement(String format, Object... args) {
      CodeBlock code = CodeBlock.builder()
          .addStatement(format, args)
          .build();
      return addPojoConstructorCode(code);
    }

    public Builder addPojoProperty(PojoProperty property) {
      list.add(PojoPropertyContribution.of(property));
      return this;
    }

    public Builder addPojoPropertyAction(PojoPropertyAction action) {
      list.add(PojoPropertyActionContribution.of(action));
      return this;
    }

    public Builder addSuperinterface(Type type) {
      list.add(SuperinterfaceContribution.of(type));
      return this;
    }

    public Builder addSuperinterface(TypeName typeName) {
      list.add(SuperinterfaceContribution.of(typeName));
      return this;
    }

    public Builder addType(TypeSpec type) {
      list.add(TypeContribution.of(type));
      return this;
    }

    public Contribution build() {
      return new ListContribution(list);
    }

  }

}