/*
 * Copyright 2016 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
 *
 *      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 org.springframework.data.gemfire.support;


import static org.assertj.core.api.Assertions.assertThat;

import javax.annotation.Resource;

import org.apache.geode.cache.CacheLoader;
import org.apache.geode.cache.CacheLoaderException;
import org.apache.geode.cache.DataPolicy;
import org.apache.geode.cache.LoaderHelper;
import org.apache.geode.cache.Region;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;

import lombok.Data;
import lombok.NoArgsConstructor;

/**
 * Integration test for {@link WiringDeclarableSupport} and {@link GemfireBeanFactoryLocator}.
 *
 * @author Costin Leau
 * @author John Blum
 * @see org.junit.Test
 * @see lombok
 * @see org.apache.geode.cache.CacheLoader
 * @see org.springframework.beans.factory.BeanFactory
 * @see org.springframework.data.gemfire.support.GemfireBeanFactoryLocator
 * @see org.springframework.data.gemfire.support.WiringDeclarableSupport
 * @see org.springframework.test.context.ContextConfiguration
 * @see org.springframework.test.context.junit4.SpringRunner
 */
@RunWith(SpringRunner.class)
@ContextConfiguration
public class WiringDeclarableSupportIntegrationTests {

	@Autowired
	@SuppressWarnings("unused")
	private BeanFactory beanFactory;

	@Resource(name = "Example")
	@SuppressWarnings("unused")
	private Region<String, String> example;

	private void assertRegion(Region<?, ?> region, String name, DataPolicy dataPolicy) {
		assertThat(region).isNotNull();
		assertThat(region.getName()).isEqualTo(name);
		assertThat(region.getFullPath()).isEqualTo(String.format("%1$s%2$s", Region.SEPARATOR, name));
		assertThat(region.getAttributes()).isNotNull();
		assertThat(region.getAttributes().getDataPolicy()).isEqualTo(dataPolicy);
	}

	@Test
	public void declarableObjectAutoWiredSuccessfully() throws Exception {
		assertThat(beanFactory.containsBean("testBean")).isTrue();
		assertRegion(example, "Example", DataPolicy.NORMAL);

		CacheLoader testCacheLoader = example.getAttributes().getCacheLoader();

		assertThat(testCacheLoader).isInstanceOf(TestCacheLoader.class);
		assertThat(((TestCacheLoader) testCacheLoader).getBeanFactory()).isSameAs(beanFactory);
		assertThat(((TestCacheLoader) testCacheLoader).getPropertyOne()).isEqualTo(beanFactory.getBean("testBean"));
		assertThat(((TestCacheLoader) testCacheLoader).getPropertyTwo()).isEqualTo("GoodBye");
	}

	@Data
	@NoArgsConstructor
	public static class TestBean {
		private String name;
	}

	@Data
	@NoArgsConstructor
	@SuppressWarnings("all")
	public static class TestCacheLoader extends WiringDeclarableSupport implements CacheLoader<String, String> {

		private Object propertyOne;
		private String propertyTwo;

		/**
		 * @inheritDoc
		 */
		@Override
		public String load(LoaderHelper<String, String> helper) throws CacheLoaderException {
			return helper.getKey();
		}
	}
}