/*******************************************************************************
 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
 * in Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.db.tests.client;

import java.io.IOException;

import org.junit.Test;
import org.simantics.db.ReadGraph;
import org.simantics.db.Session;
import org.simantics.db.common.request.ReadRequest;
import org.simantics.db.event.SessionEvent;
import org.simantics.db.event.SessionListener;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.testing.annotation.Fails;
import org.simantics.db.testing.common.TestBase;
import org.simantics.db.testing.common.Tests;
import org.simantics.db.testing.impl.Configuration;
import org.simantics.layer0.Layer0;

import fi.vtt.simantics.procore.SessionManagerSource;

public class ConnectionTest3 extends TestBase {

//	private static final String HOST = Configuration.get().host;
//	private static final Integer PORT = Configuration.get().port;
//	private static final  String USERNAME = Configuration.get().username;
//	private static final String PASSWORD = Configuration.get().password;
	private static final int RECONNECT_COUNT = Configuration.get().connectionReconnectCount;
	private static final boolean SKIP = Configuration.get().skipServerCreation;
//    private CoreHandler core = new CoreHandler();
	private Session session = null;
    private int sessionOpened = 0;
    private int sessionClosed = 0;
    private int sessionExcept = 0;
    private synchronized void incOpened() {
        ++sessionOpened;
    }
    private synchronized void incExcept() {
        ++sessionExcept;
    }
    private synchronized void incClosed() {
        ++sessionClosed;
    }
    @Test
    @Fails
    public void test3() throws DatabaseException {
        if (SKIP) {
            System.out.println("This test is not valid for remote server.");
            return;
        }
        SessionListener sl = new SessionListener() {
            @Override
            public void sessionClosed(SessionEvent e) {
                if (null == e.getCause())
                    fail("Session closed without exception!");
                else
                    incClosed();
            }

            @Override
            public void sessionOpened(SessionEvent e) {
                if (null != e.getCause())
                    fail("Session opened with exception: " + e.getCause().getMessage());
                else
                    incOpened();
            }

            @Override
            public void sessionException(SessionEvent e) {
                if (null == e.getCause())
                    fail("Session threw null exception");
                else
                    incExcept();
            }
        };
        try {
            SessionManagerSource.getSessionManager().addSessionListener(sl);

            for (int i = 0; i < RECONNECT_COUNT; ++i) {
                connectionTest();
            }
            assertTrue("Open/Closed count mismatch!", sessionOpened == sessionClosed);
            assertTrue("Except/Closed count mismatch!", sessionExcept == sessionClosed);
        } catch (IOException e) {
            throw new DatabaseException("Test failed.", e);
        } finally {
            // Not totally correct because we do this even if add failed, but...
            try {
                SessionManagerSource.getSessionManager().removeSessionListener(sl);
            } catch (IOException e1) {
                throw new DatabaseException("Test failed.", e1);
            }
        }
    }

    void connectionTest() throws DatabaseException {
        try {
            session = Tests.getTestHandler().getSession();
//        } catch (ClassNotFoundException e) {
//            throw new DatabaseException("Test failed.", e);
        } catch (Throwable t) {
            fail("ConnectionTest failed.", t);
        }
        Tests.closeSession(session);
        try {
            session.syncRequest(new ReadRequest() {
                @Override
                public void run(ReadGraph g) throws DatabaseException {
                    Layer0 b = Layer0.getInstance(g);
                    if (null == b)
                        throw new DatabaseException("Could not get builtins.");
                }
            });
        } catch (DatabaseException e) {
            // This is what was expected.
            return;
        }
        fail("Session.syncRequest exception handling failed.");
    }
}