/*
    * 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.maven.scm.provider.hg.command.blame;
  
  import java.util.ArrayList;
  import java.util.Date;
  import java.util.List;
  import java.util.Locale;
  
  import org.apache.maven.scm.ScmFileStatus;
  import org.apache.maven.scm.command.blame.BlameLine;
  import org.apache.maven.scm.provider.hg.command.HgConsumer;
  
  /**
   * @author Evgeny Mandrikov
   * @author Olivier Lamy
   * @since 1.4
   */
  public class HgBlameConsumer extends HgConsumer {
      private final List<BlameLine> lines = new ArrayList<>();
  
      private static final String HG_TIMESTAMP_PATTERN = "EEE MMM dd HH:mm:ss yyyy Z";
  
      public void doConsume(ScmFileStatus status, String trimmedLine) {
          /* godin 0 Sun Jan 31 03:04:54 2010 +0300 */
          String annotation;
          if (trimmedLine.indexOf(": ") > -1) {
              annotation = trimmedLine.substring(0, trimmedLine.indexOf(": ")).trim();
          } else {
              annotation = trimmedLine.substring(0, trimmedLine.lastIndexOf(":")).trim();
          }
  
          String author = annotation.substring(0, annotation.indexOf(' '));
          annotation = annotation.substring(annotation.indexOf(' ') + 1).trim();
  
          String revision = annotation.substring(0, annotation.indexOf(' '));
          annotation = annotation.substring(annotation.indexOf(' ') + 1).trim();
  
          String dateStr = annotation;
          Date dateTime = parseDate(dateStr, null, HG_TIMESTAMP_PATTERN, Locale.ENGLISH);
  
          lines.add(new BlameLine(dateTime, revision, author));
      }
  
      public List<BlameLine> getLines() {
          return lines;
      }
  }