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/*
 * Copyright 2015 protobuf-dynamic developers
 * 
 * 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 com.github.os72.protobuf.dynamic;

import com.google.protobuf.DescriptorProtos.EnumDescriptorProto;
import com.google.protobuf.DescriptorProtos.EnumValueDescriptorProto;

/**
 * EnumDefinition
 */
public class EnumDefinition
{
	// --- public static ---

	public static Builder newBuilder(String enumName) {
		return new Builder(enumName);
	}

	// --- public ---

	public String toString() {
		return mEnumType.toString();
	}

	// --- package ---

	EnumDescriptorProto getEnumType() {
		return mEnumType;
	}
	
	// --- private ---

	private EnumDefinition(EnumDescriptorProto enumType) {
		mEnumType = enumType;
	}

	private EnumDescriptorProto mEnumType;

	/**
	 * EnumDefinition.Builder
	 */
	public static class Builder
	{
		// --- public ---

		public Builder addValue(String name, int num) {
			EnumValueDescriptorProto.Builder enumValBuilder = EnumValueDescriptorProto.newBuilder();
			enumValBuilder.setName(name).setNumber(num);
			mEnumTypeBuilder.addValue(enumValBuilder.build());
			return this;
		}

		public EnumDefinition build() {
			return new EnumDefinition(mEnumTypeBuilder.build());
		}

		// --- private ---

		private Builder(String enumName) {
			mEnumTypeBuilder = EnumDescriptorProto.newBuilder();
			mEnumTypeBuilder.setName(enumName);
		}

		private EnumDescriptorProto.Builder mEnumTypeBuilder;
	}
}