package com.atlassian.amps.sdk.util;
   
   import java.io.IOException;
   import java.util.Properties;
   
   import org.apache.commons.lang.StringUtils;
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   
  /**
   * Created by Lucas Le on 5 Aug 2015.
   */
  public class PropertiesReader
  {
      private final static String AMPS_LATEST_VERSION = "amps.latest.version";
      private final static String AMPS_NEW_VERSION = "amps.new.version";
  
      private final static String BINARY_URI = ".binary.uri";
      /*
          Release summary default is: Atlassian Plugin SDK version xxx with AMPS plugin version xxx
       */
      private final static String RELEASE_SUMMARY_DEFAULT = "Atlassian Plugin SDK version {0} with AMPS plugin version {1}";
      private final static String RELEASE_SUMMARY = "release.summary";
      private final static String RELEASE_PRODUCTION = "release.production";
  
      private static final Logger log = LoggerFactory.getLogger(PropertiesReader.class);
      private static PropertiesReader instance = null;
  
      private Properties properties;
  
      private PropertiesReader() throws IOException
      {
          properties = new Properties();
          properties.load(getClass().getResourceAsStream("/release.properties"));
      }
  
      public static PropertiesReader getInstance() throws IOException
      {
          if (null == instance)
          {
              try
              {
                  instance = new PropertiesReader();
              }catch (IOException io)
              {
                  throw new IOException("Could not read release.properties", io);
              }
          }
          return instance;
      }
  
      public String getBinaryURI(String prefix)
      {
          return properties.getProperty(prefix + BINARY_URI);
      }
  
      public String getAMPSLatestVersion()
      {
          return properties.getProperty(AMPS_LATEST_VERSION);
      }
  
      public String getAMPSCurrentVersion()
      {
          return properties.getProperty(AMPS_NEW_VERSION);
      }
  
      public String getReleaseSummary()
      {
          if (StringUtils.isNotEmpty(properties.getProperty(RELEASE_SUMMARY)))
          {
              return properties.getProperty(RELEASE_SUMMARY);
          }
          else
          {
              return RELEASE_SUMMARY_DEFAULT;
          }
      }
  
      public boolean isReleaseProduction()
      {
          return Boolean.getBoolean(properties.getProperty(RELEASE_PRODUCTION));
      }
  }