/**
 * 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.ambari.shell.customization;

import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.commons.io.IOUtils;
import org.springframework.shell.plugin.BannerProvider;
import org.springframework.stereotype.Component;

/**
 * Prints the banner when the user starts the shell.
 */
@Component
public class AmbariBanner implements BannerProvider {

  @Override
  public String getProviderName() {
    return "AmbariShell";
  }

  @Override
  public String getBanner() {
    String res = null;
    InputStream is = null;
    try {
      is = getClass().getResourceAsStream("/banner.txt");
      res = IOUtils.toString(is);
    } catch (IOException e) {
      res = "AmbariShell";
    } finally {
      if (is != null) {
        try {
          is.close();
        } catch (IOException ex) {
        }
      }
    }
    return res;
  }

  @Override
  public String getVersion() {
    return getClass().getPackage().getImplementationVersion();
  }

  @Override
  public String getWelcomeMessage() {
    return "Welcome to Ambari Shell. For command and param completion press TAB, for assistance type 'hint'.";
  }
}