/*
 * 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.zeppelin.integration;

import java.util.concurrent.Callable;

import org.apache.zeppelin.MiniZeppelinServer;
import org.apache.zeppelin.interpreter.InterpreterSetting;
import org.apache.zeppelin.interpreter.InterpreterSettingManager;

import static org.awaitility.Awaitility.await;

public class TestHelper {

  private TestHelper() {
    // Helper class
  }

  public static void configureSparkInterpreter(MiniZeppelinServer zepServer, String sparkHome) {
    await().until(interpreterSettingManagerAvailable(zepServer));
    InterpreterSetting sparkInterpreterSetting =
        zepServer.getService(InterpreterSettingManager.class).getInterpreterSettingByName("spark");
    sparkInterpreterSetting.setProperty("spark.master", "local[*]");
    sparkInterpreterSetting.setProperty("SPARK_HOME", sparkHome);
    sparkInterpreterSetting.close();
  }

  private static Callable<Boolean> interpreterSettingManagerAvailable(
      MiniZeppelinServer zepServer) {
    return () -> zepServer.getService(InterpreterSettingManager.class) != null;
  }
}
