package org.apache.maven.continuum.notification.mail;
   
   /*
    * 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.
   */
  
  import org.apache.maven.continuum.project.ContinuumProjectState;
  
  import java.text.SimpleDateFormat;
  import java.util.Date;
  
  /**
   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
   * @version $Id: FormatterTool.java 1372260 2012-08-13 04:29:09Z brett $
   */
  public class FormatterTool
  {
      private final String timestampFormatString;
  
      private final ThreadLocal<SimpleDateFormat> timestampFormat = new ThreadLocal<SimpleDateFormat>();
  
      public FormatterTool( String timestampFormatString )
      {
          this.timestampFormatString = timestampFormatString;
      }
  
      // TODO: Add i18n
      public String formatProjectState( int state )
      {
          if ( state == ContinuumProjectState.NEW || state == ContinuumProjectState.CHECKEDOUT )
          {
              return "New";
          }
          else if ( state == ContinuumProjectState.OK )
          {
              return "Ok";
          }
          else if ( state == ContinuumProjectState.FAILED )
          {
              return "Failed";
          }
          else if ( state == ContinuumProjectState.ERROR )
          {
              return "Error";
          }
          else if ( state == ContinuumProjectState.BUILDING )
          {
              return "Building";
          }
          else
          {
              return "Unknown project state '" + state + "'";
          }
      }
  
      public String formatTrigger( int trigger )
      {
          if ( trigger == ContinuumProjectState.TRIGGER_SCHEDULED )
          {
              // TODO: fix this
              return "Schedule";
          }
          else if ( trigger == ContinuumProjectState.TRIGGER_FORCED )
          {
              return "Forced";
          }
          else
          {
              return "Unknown build trigger: '" + trigger + "'";
          }
      }
  
      public String formatTimestamp( long timestamp )
      {
          if ( timestamp <= 0 )
          {
              return null;
          }
          return getSimpleDateFormat( timestampFormat, timestampFormatString ).format( new Date( timestamp ) );
      }
  
      public String formatInterval( long start, long end )
      {
          long diff = end - start;
 
         long interval = diff / 1000L;
 
         long hours = interval / 3600L;
 
         interval -= hours * 3600;
 
         long minutes = interval / 60;
 
         interval -= minutes * 60;
 
         long seconds = interval;
 
         if ( hours > 0 )
         {
             return Long.toString( hours ) + "h " + Long.toString( minutes ) + "m " + Long.toString( seconds ) + "s";
         }
 
         if ( minutes > 0 )
         {
             return Long.toString( minutes ) + "m " + Long.toString( seconds ) + "s";
         }
 
         return Long.toString( seconds ) + "s";
     }
 
     // ----------------------------------------------------------------------
     //
     // ----------------------------------------------------------------------
 
     private SimpleDateFormat getSimpleDateFormat( ThreadLocal<SimpleDateFormat> threadLocal, String format )
     {
         SimpleDateFormat dateFormat = threadLocal.get();
 
         if ( dateFormat == null )
         {
             dateFormat = new SimpleDateFormat( format );
 
             threadLocal.set( dateFormat );
         }
 
         return dateFormat;
     }
 
     public String trim( String str )
     {
         if ( str == null )
         {
             return "";
         }
         return str.trim();
     }
 }