/*=============================================================================#
 # Copyright (c) 2019 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.rj.servi.pool;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.ArrayList;
import java.util.List;
import java.util.NoSuchElementException;

import javax.management.OperationsException;
import javax.security.auth.login.LoginException;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runners.model.MultipleFailureException;

import org.eclipse.statet.jcommons.rmi.RMIRegistry;
import org.eclipse.statet.jcommons.rmi.RMIRegistryManager;
import org.eclipse.statet.jcommons.status.NullProgressMonitor;
import org.eclipse.statet.jcommons.status.Status;
import org.eclipse.statet.jcommons.status.StatusException;

import org.eclipse.statet.rj.RjException;
import org.eclipse.statet.rj.data.RDataUtils;
import org.eclipse.statet.rj.data.UnexpectedRDataException;
import org.eclipse.statet.rj.server.util.RJContext;
import org.eclipse.statet.rj.servi.RServi;
import org.eclipse.statet.rj.servi.RServiUtils;
import org.eclipse.statet.rj.servi.node.RServiImpl;
import org.eclipse.statet.rj.servi.node.RServiNodeConfig;
import org.eclipse.statet.rj.servi.node.RServiNodeFactory;
import org.eclipse.statet.rj.servi.node.RServiNodeManager;


public class LocalNodeTest extends AbstractServiTest {
	
	
	private RServiNodeManager localR;
	
	
	public LocalNodeTest() {
	}
	
	
	@Before
	public void initNode() throws RjException, StatusException {
		final RJContext context= ServiTests.getRJContext();
		final RMIRegistry rmiRegistry= RMIRegistryManager.INSTANCE.getEmbeddedPrivateRegistry(
				new NullProgressMonitor() );
		
		final RServiNodeFactory nodeFactory= RServiImpl.createLocalNodeFactory(
				"LocalNodeTest", context );
		nodeFactory.setRegistry(rmiRegistry);
		nodeFactory.setConfig(new RServiNodeConfig());
		
		this.localR= RServiImpl.createNodeManager("LocalNodeTest", rmiRegistry, nodeFactory);
	}
	
	@After
	public void dispose() throws Exception {
		final List<Throwable> exceptions= new ArrayList<>();
		disposeServis(exceptions);
		try {
			if (this.localR != null) {
				this.localR.stop();
			}
		}
		catch (final Exception e) {
			exceptions.add(e);
		}
		finally {
			this.localR= null;
		}
		
		MultipleFailureException.assertEmpty(exceptions);
	}
	
	private RServi getServi(final String id) throws NoSuchElementException, LoginException, StatusException {
		final RServi servi= RServiUtils.getRServi(this.localR, id);
		onServiGet(servi);
		return servi;
	}
	
	
	@Test
	public void test1() throws RjException, OperationsException,
			NoSuchElementException, LoginException, StatusException, UnexpectedRDataException {
		this.localR.start();
		
		final RServi servi1= getServi("test1");
		assertNodeOperative(servi1);
		closeServi(servi1);
	}
	
	@Test
	public void closed() throws RjException, OperationsException,
			NoSuchElementException, LoginException, StatusException, UnexpectedRDataException {
		this.localR.start();
		
		final RServi servi1= getServi("test1");
		assertNodeOperative(servi1);
		assertEquals(false, servi1.isClosed());
		closeServi(servi1);
		
		assertEquals(true, servi1.isClosed());
		try {
			assertNodeOperative(servi1);
			throw new AssertionError("not closed");
		}
		catch (final StatusException e) {
			final Status eStatus= e.getStatus();
			assertEquals(Status.ERROR, eStatus.getSeverity());
			assertTrue(e.getMessage().contains("closed"));
		}
	}
	
	@Test
	public void cleanup() throws RjException, OperationsException,
			NoSuchElementException, LoginException, StatusException, UnexpectedRDataException {
		this.localR.start();
		
		final RServi servi1= getServi("test1");
		
		servi1.evalVoid("x <- 123L", null);
		servi1.evalVoid(".x <- 123L", null);
		assertEquals(true, RDataUtils.checkSingleLogiValue(servi1.evalData("exists(\"x\")", null)));
		assertEquals(true, RDataUtils.checkSingleLogiValue(servi1.evalData("exists(\".x\")", null)));
		
		closeServi(servi1);
		
		final RServi servi2= getServi("test1");
		assertEquals(false, RDataUtils.checkSingleLogiValue(servi2.evalData("exists(\"x\")", null)));
		assertEquals(false, RDataUtils.checkSingleLogiValue(servi2.evalData("exists(\".x\")", null)));
		
		closeServi(servi2);
	}
	
}