/*
 * Copyright 2014-2020 the original author or authors.
 *
 * 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
 *
 *      https://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 org.springframework.data.elasticsearch.repositories.nestedobject;

import static org.apache.commons.lang.RandomStringUtils.*;
import static org.assertj.core.api.Assertions.*;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.Document;
import org.springframework.data.elasticsearch.annotations.Field;
import org.springframework.data.elasticsearch.annotations.FieldType;
import org.springframework.data.elasticsearch.annotations.InnerField;
import org.springframework.data.elasticsearch.annotations.MultiField;
import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
import org.springframework.data.elasticsearch.core.IndexOperations;
import org.springframework.data.elasticsearch.junit.jupiter.ElasticsearchRestTemplateConfiguration;
import org.springframework.data.elasticsearch.junit.jupiter.SpringIntegrationTest;
import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
import org.springframework.data.elasticsearch.utils.IndexInitializer;
import org.springframework.test.context.ContextConfiguration;

/**
 * @author Mohsin Husen
 * @author Christoph Strobl
 * @author Peter-Josef Meisch
 */
@SpringIntegrationTest
@ContextConfiguration(classes = { InnerObjectTests.Config.class })
public class InnerObjectTests {

	@Configuration
	@Import({ ElasticsearchRestTemplateConfiguration.class })
	@EnableElasticsearchRepositories(considerNestedRepositories = true)
	static class Config {}

	@Autowired private SampleElasticSearchBookRepository bookRepository;

	@Autowired ElasticsearchOperations operations;

	private IndexOperations indexOperations;

	@BeforeEach
	public void before() {
		indexOperations = operations.indexOps(Book.class);
		IndexInitializer.init(indexOperations);
	}

	@AfterEach
	void after() {
		indexOperations.delete();
	}

	@Test
	public void shouldIndexInnerObject() {

		// given
		String id = randomAlphanumeric(5);
		Book book = new Book();
		book.setId(id);
		book.setName("xyz");
		Author author = new Author();
		author.setId("1");
		author.setName("ABC");
		book.setAuthor(author);

		// when
		bookRepository.save(book);

		// then
		assertThat(bookRepository.findById(id)).isNotNull();
	}

	/**
	 * @author Rizwan Idrees
	 * @author Mohsin Husen
	 * @author Nordine Bittich
	 */
	@Setter
	@Getter
	@NoArgsConstructor
	@AllArgsConstructor
	@Builder
	@Document(indexName = "test-index-book", replicas = 0, refreshInterval = "-1")
	static class Book {

		@Id private String id;
		private String name;
		@Field(type = FieldType.Object) private Author author;
		@Field(type = FieldType.Nested) private Map<Integer, Collection<String>> buckets = new HashMap<>();
		@MultiField(mainField = @Field(type = FieldType.Text, analyzer = "whitespace"),
				otherFields = { @InnerField(suffix = "prefix", type = FieldType.Text, analyzer = "stop",
						searchAnalyzer = "standard") }) private String description;
	}

	public interface SampleElasticSearchBookRepository extends ElasticsearchRepository<Book, String> {}

	/**
	 * @author Rizwan Idrees
	 * @author Mohsin Husen
	 */
	static class Author {

		private String id;
		private String name;

		public String getId() {
			return id;
		}

		public void setId(String id) {
			this.id = id;
		}

		public String getName() {
			return name;
		}

		public void setName(String name) {
			this.name = name;
		}
	}

}
