/*-
 * ============LICENSE_START=======================================================
 * org.openecomp.aai
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.aai.serialization.db;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;

import java.io.UnsupportedEncodingException;
import java.lang.reflect.InvocationTargetException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Map;

import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import org.openecomp.aai.dbmap.DBConnectionType;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.introspection.Introspector;
import org.openecomp.aai.introspection.Loader;
import org.openecomp.aai.introspection.LoaderFactory;
import org.openecomp.aai.introspection.ModelType;
import org.openecomp.aai.introspection.Version;
import org.openecomp.aai.parsers.query.QueryParser;
import org.openecomp.aai.schema.enums.PropertyMetadata;
import org.openecomp.aai.serialization.engines.QueryStyle;
import org.openecomp.aai.serialization.engines.TitanDBEngine;
import org.openecomp.aai.serialization.engines.TransactionalGraphEngine;
import com.thinkaurelius.titan.core.TitanFactory;
import com.thinkaurelius.titan.core.TitanGraph;
import com.thinkaurelius.titan.core.TitanTransaction;

import java.util.Collections;

public class DbAliasTest {

	
	
	private TitanGraph graph;
	private final Version version = Version.v9;
	private final ModelType introspectorFactoryType = ModelType.MOXY;
	private final QueryStyle queryStyle = QueryStyle.TRAVERSAL;
	private final DBConnectionType type = DBConnectionType.REALTIME;
	private Loader loader;
	private TransactionalGraphEngine dbEngine;
	@Before
	public void setup() throws NoSuchFieldException, SecurityException, Exception {
		graph = TitanFactory.build().set("storage.backend","inmemory").open();
		System.setProperty("AJSC_HOME", "./src/test/resources/");
		System.setProperty("BUNDLECONFIG_DIR", "bundleconfig-local");
		loader = LoaderFactory.createLoaderForVersion(introspectorFactoryType, version);
		dbEngine = new TitanDBEngine(
				queryStyle,
				type,
				loader);
	}
	
	@After
	public void tearDown() {
		graph.tx().rollback();
		graph.close();
	}
	
	@Test
	public void checkOnWrite() throws AAIException, UnsupportedEncodingException, URISyntaxException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, InstantiationException, NoSuchMethodException, InterruptedException {
		final String property = "persona-model-customization-id";
		String dbPropertyName = property;
		TransactionalGraphEngine spy = spy(this.dbEngine);
		TransactionalGraphEngine.Admin adminSpy = spy(dbEngine.asAdmin());
		TitanTransaction g = graph.newTransaction();
		GraphTraversalSource traversal = g.traversal();
		when(spy.asAdmin()).thenReturn(adminSpy);
		when(adminSpy.getTraversalSource()).thenReturn(traversal);
		DBSerializer serializer = new DBSerializer(version, spy, introspectorFactoryType, "AAI_TEST");
		QueryParser uriQuery = spy.getQueryBuilder().createQueryFromURI(new URI("network/generic-vnfs/generic-vnf/key1"));
		Introspector obj = loader.introspectorFromName("generic-vnf");
		Vertex v = g.addVertex();
		Object id = v.id();
		obj.setValue("vnf-id", "key1");
		obj.setValue(property, "hello");
		serializer.serializeToDb(obj, v, uriQuery, "", "");
		g.commit();
		v = graph.traversal().V(id).next();
		Map<PropertyMetadata, String> map = obj.getPropertyMetadata(property);
		if (map.containsKey(PropertyMetadata.DB_ALIAS)) {
			dbPropertyName = map.get(PropertyMetadata.DB_ALIAS);
		}
		
		assertEquals("dbAlias is ", "model-customization-id", dbPropertyName);
		assertEquals("dbAlias property exists", "hello", v.property(dbPropertyName).orElse(""));
		assertEquals("model property does not", "missing", v.property(property).orElse("missing"));
	
	}
	
	@Test
	public void checkOnRead() throws AAIException, UnsupportedEncodingException, URISyntaxException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, InstantiationException, NoSuchMethodException, InterruptedException, MalformedURLException {
		final String property = "persona-model-customization-id";
		
		TransactionalGraphEngine spy = spy(dbEngine);
		TransactionalGraphEngine.Admin adminSpy = spy(dbEngine.asAdmin());
		Vertex v = graph.traversal().addV("vnf-id", "key1", "model-customization-id", "hello").next();
		graph.tx().commit();
		TitanTransaction g = graph.newTransaction();
		GraphTraversalSource traversal = g.traversal();
		when(spy.asAdmin()).thenReturn(adminSpy);
		when(adminSpy.getTraversalSource()).thenReturn(traversal);
		DBSerializer serializer = new DBSerializer(version, spy, introspectorFactoryType, "AAI_TEST");
		Introspector obj = loader.introspectorFromName("generic-vnf");
		serializer.dbToObject(Collections.singletonList(v), obj, 0, true, "false");
		
		assertEquals("dbAlias property exists", "hello", obj.getValue(property));
		
	}
	
}