/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 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.onap.aai.serialization.queryformats;

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

import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.process.traversal.strategy.verification.ReadOnlyStrategy;
import org.apache.tinkerpop.gremlin.structure.Graph;
import org.apache.tinkerpop.gremlin.structure.T;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.onap.aai.AAISetup;
import org.onap.aai.dbmap.DBConnectionType;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.introspection.Loader;
import org.onap.aai.introspection.LoaderFactory;
import org.onap.aai.introspection.ModelType;
import org.onap.aai.introspection.Version;
import org.onap.aai.serialization.db.DBSerializer;
import org.onap.aai.serialization.db.EdgeRules;
import org.onap.aai.serialization.engines.QueryStyle;
import org.onap.aai.serialization.engines.JanusGraphDBEngine;
import org.onap.aai.serialization.engines.TransactionalGraphEngine;
import org.onap.aai.serialization.queryformats.exceptions.AAIFormatQueryResultFormatNotSupported;
import org.onap.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
import org.onap.aai.serialization.queryformats.utils.UrlBuilder;

public class RawFormatTest extends AAISetup {

	@Mock
	private UrlBuilder urlBuilder;

	private Graph graph;
	private TransactionalGraphEngine dbEngine;
	private Loader loader;
	private RawFormat rawFormat;
	private final ModelType factoryType = ModelType.MOXY;
	private final EdgeRules rules = EdgeRules.getInstance();
	private Version version = Version.getLatest();
	private Vertex pserver;
	private Vertex complex;

	private DBSerializer serializer;

	@Before
	public void setUp() throws Exception {

		MockitoAnnotations.initMocks(this);

		graph = TinkerGraph.open();

		Vertex pserver1 = graph.addVertex(T.label, "pserver", T.id, "2", "aai-node-type", "pserver", "hostname",
				"hostname-1");
		Vertex complex1 = graph.addVertex(T.label, "complex", T.id, "3", "aai-node-type", "complex",
				"physical-location-id", "physical-location-id-1", "country", "US");

		GraphTraversalSource g = graph.traversal();
		rules.addEdge(g, pserver1, complex1);
		
		pserver = pserver1;
		complex = complex1;
		
		createLoaderEngineSetup();

	}

	@Test
	public void verifyPserverRelatedToHasEdgeLabel () throws AAIFormatVertexException, AAIException, AAIFormatQueryResultFormatNotSupported {
		assertTrue(rawFormat.createRelationshipObject(pserver).get(0).getAsJsonObject().get("relationship-label").getAsString().equals("org.onap.relationships.inventory.LocatedIn"));
	}
	
	@Test
	public void verifyPserverRelatedToComplexLabel () throws AAIFormatVertexException, AAIException, AAIFormatQueryResultFormatNotSupported {
		assertTrue(rawFormat.createRelationshipObject(pserver).get(0).getAsJsonObject().get("node-type").getAsString().equals("complex"));
	}
	
	@Test
	public void verifyComplexRelatedToHasEdgeLabel () throws AAIFormatVertexException, AAIException, AAIFormatQueryResultFormatNotSupported {
		assertTrue(rawFormat.createRelationshipObject(complex).get(0).getAsJsonObject().get("relationship-label").getAsString().equals("org.onap.relationships.inventory.LocatedIn"));
	}
	
	@Test
	public void verifyComplexRelatedToPserverLabel () throws AAIFormatVertexException, AAIException, AAIFormatQueryResultFormatNotSupported {
		assertTrue(rawFormat.createRelationshipObject(complex).get(0).getAsJsonObject().get("node-type").getAsString().equals("pserver"));
	}

	public void createLoaderEngineSetup() throws AAIException {

		if (loader == null) {
			loader = LoaderFactory.createLoaderForVersion(factoryType, version);
			dbEngine = spy(new JanusGraphDBEngine(QueryStyle.TRAVERSAL, DBConnectionType.CACHED, loader));
			serializer = new DBSerializer(version, dbEngine, factoryType, "Junit");
			rawFormat = new RawFormat.Builder(loader, serializer, urlBuilder).build();

			TransactionalGraphEngine.Admin spyAdmin = spy(dbEngine.asAdmin());

			when(dbEngine.tx()).thenReturn(graph);
			when(dbEngine.asAdmin()).thenReturn(spyAdmin);

			when(spyAdmin.getReadOnlyTraversalSource())
					.thenReturn(graph.traversal(GraphTraversalSource.build().with(ReadOnlyStrategy.instance())));
			when(spyAdmin.getTraversalSource()).thenReturn(graph.traversal());
		}
	}
}