/*
 *
 * 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.tools.pulse.testbed;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

public class PropFileHelper {

  private String filePath = null;
  private Properties pr = null;

  public PropFileHelper(String filePath) throws FileNotFoundException, IOException {
    this.filePath = filePath;
    pr = new Properties();
    pr.load(new FileInputStream(new File(this.filePath)));
  }

  public PropFileHelper(Properties pr2) {
    this.pr = pr2;
  }

  public String[] readValues(String property) {
    return readValues(property, ",");
  }

  public String[] readValues(String property, String separator) {
    String value = readKey(property);
    if (value != null) {
      String[] array = value.split(separator);
      return array;
    } else {
      return new String[0];
    }
  }

  public String readKey(String key) {
    String value = pr.getProperty(key);
    if (value != null)
      return value.trim();
    else
      return value;
  }

  public Map<String, String> readObject(String leadingkey) {
    Map<String, String> map = new HashMap<String, String>();
    String leadingKeyString = leadingkey + ".";
    for (Object keyObject : pr.keySet()) {
      String key = (String) keyObject;
      String value = readKey(key);
      if (key.startsWith(leadingKeyString)) {
        String innerProp = key.substring(leadingKeyString.length());
        /*
         * inner object stuff if(checkForMultipleValues){ if(innerProp.contains(separator)){ String
         * array[] = readValues(key); } }else
         */
        {
          // System.out.println("Adding prop with key " + innerProp + " k=" + leadingkey);
          map.put(innerProp, value);
        }
      }
    }
    return map;
  }

  public static void main(String[] args) {

    Properties pr = new Properties();
    pr.put("topologies", "t1,t2");
    pr.put("t1.id", "1");
    pr.put("t2.id", "2");

    pr.put("t1.prop1", "prop11");
    pr.put("t1.prop2", "prop12");
    pr.put("t1.prop3", "prop13");
    pr.put("t2.prop1", "1");
    pr.put("t2.prop2", "2");
    pr.put("t2.prop3", "3");

    PropFileHelper helper = new PropFileHelper(pr);
    String topologies[] = helper.readValues("topologies");
    for (String topology : topologies) {
      Map<String, String> topologyMap = helper.readObject(topology);
      System.out.println(topologyMap);
    }

  }

  public Properties getProperties() {
    return pr;
  }

}