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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.util.Objects;

import javax.lang.model.element.Modifier;

import br.com.objectos.way.code.MethodInfo;
import br.com.objectos.way.code.SimpleTypeInfo;

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

/**
 * @author [email protected] (Marcio Endo)
 */
class FieldPojoProperty extends PojoProperty implements PojoPropertyFieldBuilder {

  private final Property property;

  private CodeBlock initializer;
  private Modifier[] modifiers = new Modifier[] {};
  private String name;
  private TypeName type;

  public FieldPojoProperty(Property property) {
    this.property = property;

    name();
    type();
  }

  @Override
  public PojoProperty build() {
    return this;
  }

  @Override
  public PojoPropertyFieldBuilder initializer(String template, Object... args) {
    initializer = CodeBlock.builder()
        .add(template, args)
        .build();
    return this;
  }

  @Override
  public PojoPropertyFieldBuilder modifiers(Modifier... modifiers) {
    this.modifiers = modifiers;
    return this;
  }

  @Override
  public PojoPropertyFieldBuilder name() {
    name = property.name();
    return this;
  }

  @Override
  public PojoPropertyFieldBuilder type() {
    MethodInfo methodInfo = property.methodInfo();
    SimpleTypeInfo returnTypeInfo = methodInfo.returnTypeInfo();
    type = returnTypeInfo.typeName();
    return this;
  }

  @Override
  public PojoPropertyFieldBuilder type(TypeName type) {
    Objects.requireNonNull(type);
    this.type = type;
    return this;
  }

  @Override
  void accept(TypeSpec.Builder type) {
    FieldSpec.Builder field = FieldSpec.builder(this.type, name)
        .addModifiers(modifiers);

    if (initializer != null) {
      field.initializer(initializer);
    }

    type.addField(field.build());
  }

}