/*
 * 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.cache.snapshot;

import static org.apache.geode.distributed.ConfigurationProperties.*;

import com.examples.snapshot.MyObject;
import org.apache.geode.cache.Cache;
import org.apache.geode.cache.CacheFactory;
import org.apache.geode.cache.DiskStore;
import org.apache.geode.cache.snapshot.RegionGenerator.SerializationType;
import org.junit.After;
import org.junit.Before;

import java.io.File;
import java.io.FilenameFilter;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;

import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT;

public class SnapshotTestCase {
  protected File store;
  protected File snaps;
  protected Cache cache;
  protected RegionGenerator rgen;
  protected DiskStore ds;

  @Before
  public void setUp() throws Exception {
    store = new File("store-" + Math.abs(new Random().nextInt()));
    store.mkdir();

    snaps = new File("snapshots-" + Math.abs(new Random().nextInt()));
    snaps.mkdir();

    rgen = new RegionGenerator();

    CacheFactory cf = new CacheFactory().set(MCAST_PORT, "0").set(LOG_LEVEL, "error");
    cache = cf.create();

    ds = cache.createDiskStoreFactory().setMaxOplogSize(1).setDiskDirs(new File[] {store})
        .create("snapshotTest");
  }

  @After
  public void tearDown() throws Exception {
    cache.close();
    deleteFiles(store);
    deleteFiles(snaps);
  }

  public Map<Integer, MyObject> createExpected(SerializationType type) {
    Map<Integer, MyObject> expected = new HashMap<Integer, MyObject>();
    for (int i = 0; i < 1000; i++) {
      expected.put(i, rgen.createData(type, i, "The number is " + i));
    }
    return expected;
  }

  public static void deleteFiles(File dir) {
    File[] deletes = dir.listFiles(new FilenameFilter() {
      @Override
      public boolean accept(File dir, String name) {
        return true;
      }
    });

    if (deletes != null) {
      for (File f : deletes) {
        f.delete();
      }
    }
    dir.delete();
  }
}