/*
 * 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.gobblin.test.crypto;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;

import org.apache.gobblin.crypto.CredentialStore;


public class TestRandomCredentialStore implements CredentialStore {
  public static final String TAG = "testRandomCredentialStore";

  private Map<String, byte[]> keys;

  public TestRandomCredentialStore(int numKeys) {
    this(numKeys, System.currentTimeMillis());
  }

  public TestRandomCredentialStore(int numKeys, long seed) {
    this.keys = new HashMap<>();
    Random rand = new Random(seed);

    for (int i = 0; i < numKeys; i++) {
      byte[] keyBuf = new byte[16];
      rand.nextBytes(keyBuf);
      keys.put(String.valueOf(i), keyBuf);
    }
  }

  @Override
  public byte[] getEncodedKey(String id) {
    return keys.get(id);
  }

  @Override
  public Map<String, byte[]> getAllEncodedKeys() {
    return Collections.unmodifiableMap(keys);
  }
}
