/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You 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.apache.geode.internal.cache;

import static org.junit.Assert.*;

import java.util.Properties;

import org.junit.Test;
import org.junit.experimental.categories.Category;

import org.apache.geode.cache.AttributesFactory;
import org.apache.geode.cache.Cache;
import org.apache.geode.cache.CacheFactory;
import org.apache.geode.cache.DataPolicy;
import org.apache.geode.cache.Region;
import org.apache.geode.cache.RegionAttributes;
import org.apache.geode.cache.RegionEvent;
import org.apache.geode.cache.Scope;
import org.apache.geode.cache.util.CacheListenerAdapter;
import org.apache.geode.distributed.DistributedSystem;
import org.apache.geode.test.dunit.Host;
import org.apache.geode.test.dunit.VM;
import org.apache.geode.test.dunit.internal.JUnit4DistributedTestCase;
import org.apache.geode.test.junit.categories.DistributedTest;

@Category(DistributedTest.class)
public class Bug33726DUnitTest extends JUnit4DistributedTestCase {

  static boolean[] flags = new boolean[2];
  static Cache cache = null;
  static DistributedSystem ds = null;
  static boolean isOK = false;

  @Override
  public final void preTearDown() throws Exception {
    Host host = Host.getHost(0);
    VM vm0 = host.getVM(0);
    VM vm1 = host.getVM(1);
    vm0.invoke(() -> Bug33726DUnitTest.closeCache());
    vm1.invoke(() -> Bug33726DUnitTest.closeCache());
  }

  public static void closeCache() {
    try {
      cache.close();
      cache = null;
      ds.disconnect();
    } catch (Exception ex) {
      ex.printStackTrace();
    }
  }

  @Test
  public void testAfterRegionCreate() {
    Host host = Host.getHost(0);
    VM vm0 = host.getVM(0);
    VM vm1 = host.getVM(1);
    vm0.invoke(() -> Bug33726DUnitTest.createCacheAndPopulateRegion1());
    vm1.invoke(() -> Bug33726DUnitTest.createCacheAndRegion2());
    boolean pass = vm1.invoke(() -> Bug33726DUnitTest.testFlag());
    assertTrue("The test failed", pass);

  }

  public static void createCacheAndPopulateRegion1() {
    try {
      ds = (new Bug33726DUnitTest()).getSystem(new Properties());
      cache = CacheFactory.create(ds);
      AttributesFactory factory = new AttributesFactory();
      factory.setScope(Scope.GLOBAL);
      factory.setDataPolicy(DataPolicy.REPLICATE);
      RegionAttributes attr = factory.create();
      Region region = cache.createRegion("testRegion", attr);
      Region subRegion = region.createSubregion("testSubRegion", attr);
      for (int i = 1; i < 100; i++) {
        region.put(new Integer(i), new Integer(i));
        subRegion.put(new Integer(i), new Integer(i));
      }
    } catch (Exception ex) {
      fail("Creation of cache failed due to " + ex);
      ex.printStackTrace();
    }
  }

  public static void createCacheAndRegion2() {
    try {
      ds = (new Bug33726DUnitTest()).getSystem(new Properties());
      cache = CacheFactory.create(ds);
      AttributesFactory factory = new AttributesFactory();
      factory.setCacheListener(new TestCacheListener());
      factory.setScope(Scope.GLOBAL);
      factory.setDataPolicy(DataPolicy.REPLICATE);
      RegionAttributes attr = factory.create();
      Region region = cache.createRegion("testRegion", attr);
      region.createSubregion("testSubRegion", attr);
    } catch (Exception ex) {
      fail("failed due to " + ex);
      ex.printStackTrace();
    }
  }

  public static boolean testFlag() {
    if (isOK) {
      return isOK;
    } else {
      synchronized (Bug33726DUnitTest.class) {
        if (isOK) {
          return isOK;
        } else {
          try {
            Bug33726DUnitTest.class.wait(120000);
          } catch (InterruptedException ie) {
            fail("interrupted");
          }
        }
      }
      return isOK;
    }
  }

  public static class TestCacheListener extends CacheListenerAdapter {

    public void afterRegionCreate(RegionEvent event) {
      Region region = event.getRegion();
      if (((LocalRegion) region).isInitialized()) {
        String regionPath = event.getRegion().getFullPath();
        if (regionPath.indexOf("/testRegion/testSubRegion") >= 0) {
          flags[1] = true;
        } else if (regionPath.indexOf("/testRegion") >= 0) {
          flags[0] = true;
        }

      }
      if (flags[0] && flags[1]) {
        isOK = true;
        synchronized (Bug33726DUnitTest.class) {
          Bug33726DUnitTest.class.notify();
        }
      }
    }
  }

}