package org.apache.maven.plugin.jira;
   
   /*
    * 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.commons.lang.StringUtils;
  import org.apache.maven.plugin.changes.AbstractChangesReport;
  import org.apache.maven.plugin.changes.ProjectUtils;
  import org.apache.maven.plugin.issues.Issue;
  import org.apache.maven.plugin.issues.IssueUtils;
  import org.apache.maven.plugin.issues.IssuesReportGenerator;
  import org.apache.maven.plugin.issues.IssuesReportHelper;
  import org.apache.maven.plugins.annotations.Component;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.reporting.MavenReportException;
  import org.apache.maven.settings.Settings;
  
  import java.io.File;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Locale;
  import java.util.Map;
  import java.util.ResourceBundle;
  
  /**
   * Goal which downloads issues from the Issue Tracking System and generates a report.
   *
   * @author <a href="mailto:jruiz@exist.com">Johnny R. Ruiz III</a>
   * @version $Id: JiraMojo.java 1579078 2014-03-18 22:44:41Z dennisl $
   */
  @Mojo( name = "jira-report", threadSafe = true )
  public class JiraMojo
      extends AbstractChangesReport
  {
      /**
       * Valid JIRA columns.
       */
      private static final Map<String, Integer> JIRA_COLUMNS = new HashMap<String, Integer>( 16 );
  
      static
      {
          JIRA_COLUMNS.put( "Assignee", IssuesReportHelper.COLUMN_ASSIGNEE );
          JIRA_COLUMNS.put( "Component", IssuesReportHelper.COLUMN_COMPONENT );
          JIRA_COLUMNS.put( "Created", IssuesReportHelper.COLUMN_CREATED );
          JIRA_COLUMNS.put( "Fix Version", IssuesReportHelper.COLUMN_FIX_VERSION );
          JIRA_COLUMNS.put( "Id", IssuesReportHelper.COLUMN_ID );
          JIRA_COLUMNS.put( "Key", IssuesReportHelper.COLUMN_KEY );
          JIRA_COLUMNS.put( "Priority", IssuesReportHelper.COLUMN_PRIORITY );
          JIRA_COLUMNS.put( "Reporter", IssuesReportHelper.COLUMN_REPORTER );
          JIRA_COLUMNS.put( "Resolution", IssuesReportHelper.COLUMN_RESOLUTION );
          JIRA_COLUMNS.put( "Status", IssuesReportHelper.COLUMN_STATUS );
          JIRA_COLUMNS.put( "Summary", IssuesReportHelper.COLUMN_SUMMARY );
          JIRA_COLUMNS.put( "Type", IssuesReportHelper.COLUMN_TYPE );
          JIRA_COLUMNS.put( "Updated", IssuesReportHelper.COLUMN_UPDATED );
          JIRA_COLUMNS.put( "Version", IssuesReportHelper.COLUMN_VERSION );
      }
  
      /**
       * Sets the names of the columns that you want in the report. The columns
       * will appear in the report in the same order as you specify them here.
       * Multiple values can be separated by commas.
       * <p>
       * Valid columns are: <code>Assignee</code>, <code>Component</code>,
       * <code>Created</code>, <code>Fix Version</code>, <code>Id</code>,
       * <code>Key</code>, <code>Priority</code>, <code>Reporter</code>,
       * <code>Resolution</code>, <code>Status</code>, <code>Summary</code>,
       * <code>Type</code>, <code>Updated</code> and <code>Version</code>.
       * </p>
       *
       * @since 2.0
       */
      @Parameter( defaultValue = "Key,Summary,Status,Resolution,Assignee" )
      private String columnNames;
  
      /**
       * Use the JIRA query language instead of the JIRA query based on HTTP parameters. 
       * From JIRA 5.1 and up only JQL is supported. JIRA 4.4 supports both JQL and URL parameter based queries.
       * From 5.1.1 this is obsolete, since REST queries only use JQL.
       *
       * @since 2.8
       */
      @Parameter( property = "changes.useJql", defaultValue = "false" )
     private boolean useJql;
 
     /**
      * Since JIRA 5.1.1, it is no longer possible to construct a URL that downloads RSS. Meanwhile
      * JIRA added a REST API in 4.2. By default, this plugin uses the REST API if available.
      * Setting this parameter to true forces it to attempt to use RSS.
      *
      * @since 2.9
      */
     @Parameter( defaultValue = "false" )
     private boolean forceRss;
     
     /**
      * Sets the component(s) that you want to limit your report to include.
      * Multiple values can be separated by commas (such as 10011,10012).
      * If this is set to empty - that means all components will be included.
      */
     @Parameter( defaultValue = "" )
     private String component;
 
     /**
      * Defines the filter parameters to restrict which issues are retrieved
      * from JIRA. The filter parameter uses the same format of url
      * parameters that is used in a JIRA search.
      */
     @Parameter( defaultValue = "" )
     private String filter;
 
     /**
      * Sets the fix version id(s) that you want to limit your report to include.
      * These are JIRA's internal version ids, <b>NOT</b> the human readable display ones.
      * Multiple fix versions can be separated by commas.
      * If this is set to empty - that means all fix versions will be included.
      *
      * @since 2.0
      */
     @Parameter( defaultValue = "" )
     private String fixVersionIds;
 
     /**
      * The pattern used by dates in the JIRA XML-file. This is used to parse
      * the Created and Updated fields.
      *
      * @since 2.4
      */
     @Parameter( defaultValue = "EEE, d MMM yyyy HH:mm:ss Z" )
     private String jiraDatePattern;
 
     /**
      * Defines the JIRA password for authentication into a private JIRA installation.
      */
     @Parameter( defaultValue = "" )
     private String jiraPassword;
 
     /**
      * Defines the JIRA username for authentication into a private JIRA installation.
      */
     @Parameter( defaultValue = "" )
     private String jiraUser;
 
     /**
      * Path to the JIRA XML file, which will be parsed.
      */
     @Parameter( defaultValue = "${project.build.directory}/jira-results.xml", required = true, readonly = true )
     private File jiraXmlPath;
 
     /**
      * Maximum number of entries to be fetched from JIRA.
      */
     @Parameter( defaultValue = "100" )
     private int maxEntries;
 
     /**
      * If you only want to show issues for the current version in the report.
      * The current version being used is <code>${project.version}</code> minus
      * any "-SNAPSHOT" suffix.
      *
      * @since 2.0
      */
     @Parameter( defaultValue = "false" )
     private boolean onlyCurrentVersion;
 
     /**
      * Sets the priority(s) that you want to limit your report to include.
      * Valid statuses are <code>Blocker</code>, <code>Critical</code>,
      * <code>Major</code>, <code>Minor</code> and <code>Trivial</code>.
      * Multiple values can be separated by commas.
      * If this is set to empty - that means all priorities will be included.
      */
     @Parameter( defaultValue = "" )
     private String priorityIds;
 
     /**
      * Sets the resolution(s) that you want to fetch from JIRA.
      * Valid resolutions are: <code>Unresolved</code>, <code>Fixed</code>,
      * <code>Won't Fix</code>, <code>Duplicate</code>, <code>Incomplete</code>
      * and <code>Cannot Reproduce</code>.
      * Multiple values can be separated by commas.
      * <p>
      * <b>Note:</b> In versions 2.0-beta-3 and earlier this parameter had no
      * default value.
      * </p>
      */
     @Parameter( defaultValue = "Fixed" )
     private String resolutionIds;
 
     /**
      * Settings XML configuration.
      */
     @Component
     private Settings settings;
 
     /**
      * If set to <code>true</code>, then the JIRA report will not be generated.
      * 
      * @since 2.8
      */
     @Parameter( property = "changes.jira.skip", defaultValue = "false" )
     private boolean skip;
 
     /**
      * Sets the column names that you want to sort the report by. Add
      * <code>DESC</code> following the column name
      * to specify <i>descending</i> sequence. For
      * example <code>Fix Version DESC, Type</code> sorts first by
      * the Fix Version in descending order and then by Type in
      * ascending order. By default sorting is done in ascending order, but is
      * possible to specify <code>ASC</code> for consistency. The previous
      * example would then become <code>Fix Version DESC, Type ASC</code>.
      * <p>
      * Valid columns are: <code>Assignee</code>, <code>Component</code>,
      * <code>Created</code>, <code>Fix Version</code>, <code>Id</code>,
      * <code>Key</code>, <code>Priority</code>, <code>Reporter</code>,
      * <code>Resolution</code>, <code>Status</code>, <code>Summary</code>,
      * <code>Type</code>, <code>Updated</code> and <code>Version</code>.
      * </p>
      * <p>
      * <strong>Note:</strong> If you are using JIRA 4 you need to put your
      * sort column names in the reverse order. The handling of this changed
      * between JIRA 3 and JIRA 4. The current default value is suitable for
      * JIRA 3. This may change in the future, so please configure your sort
      * column names in an order that works for your own JIRA version. If you
      * use JQL, by setting the <code>useJql</code> parameter to
      * <code>true</code>, then the order of the fields are in normal order
      * again. Starting with JIRA 5.1 you have to use JQL.
      * </p>
      *
      * @since 2.0
      */
     @Parameter( defaultValue = "Priority DESC, Created DESC" )
     private String sortColumnNames;
 
     /**
      * Sets the status(es) that you want to fetch from JIRA.
      * Valid statuses are: <code>Open</code>, <code>In Progress</code>,
      * <code>Reopened</code>, <code>Resolved</code> and <code>Closed</code>.
      * Multiple values can be separated by commas.
      * <p>
      * If your installation of JIRA uses custom status IDs, you can reference
      * them here by their numeric values.
      * You can obtain them on the Statuses page
      * (in 4.0.2 it's under Administration > Issue Settings > Statuses)
      * - just hover over the Edit link for the status you want and
      * you'll see something like
      * &lt;your JIRA URL&gt;/secure/admin/EditStatus!default.jspa?id=12345;
      * in this case the value is 12345.
      * </p>
      * <p>
      * <b>Note:</b> In versions 2.0-beta-3 and earlier this parameter had no
      * default value.
      * </p>
      */
     @Parameter( defaultValue = "Closed" )
     private String statusIds;
 
     /**
      * Sets the types(s) that you want to limit your report to include.
      * Valid types are: <code>Bug</code>, <code>New Feature</code>,
      * <code>Task</code>, <code>Improvement</code>, <code>Wish</code>,
      * <code>Test</code> and <code>Sub-task</code>.
      * Multiple values can be separated by commas.
      * If this is set to empty - that means all types will be included.
      *
      * @since 2.0
      */
     @Parameter( defaultValue = "" )
     private String typeIds;
 
     /**
      * The prefix used when naming versions in JIRA.
      * <p>
      * If you have a project in JIRA with several components that have different
      * release cycles, it is an often used pattern to prefix the version with
      * the name of the component, e.g. maven-filtering-1.0 etc. To fetch issues
      * from JIRA for a release of the "maven-filtering" component you would need
      * to set this parameter to "maven-filtering-".
      * </p>
      *
      * @since 2.4
      */
     @Parameter( defaultValue = "" )
     private String versionPrefix;
 
     /**
      * Defines the http password for basic authentication into the JIRA webserver.
      */
     @Parameter( defaultValue = "" )
     private String webPassword;
 
     /**
      * Defines the http user for basic authentication into the JIRA webserver.
      */
     @Parameter( defaultValue = "" )
     private String webUser;
     
     /*
      * Used for tests.
      */
     private AbstractJiraDownloader mockDownloader;
 
     /* --------------------------------------------------------------------- */
     /* Public methods                                                        */
     /* --------------------------------------------------------------------- */
 
     /**
      * @see org.apache.maven.reporting.AbstractMavenReport#canGenerateReport()
      */
     public boolean canGenerateReport()
     {
         // Run only at the execution root
         if ( runOnlyAtExecutionRoot && !isThisTheExecutionRoot() )
         {
             getLog().info( "Skipping the JIRA Report in this project because it's not the Execution Root" );
             return false;
         }
         if ( skip )
         {
             return false;
         }
         if ( mockDownloader != null ) 
         {
             return true;
         }
         return ProjectUtils.validateIfIssueManagementComplete( project, "JIRA", "JIRA Report", getLog() );
     }
 
     public void executeReport( Locale locale )
         throws MavenReportException
     {
         // Validate parameters
         List<Integer> columnIds = IssuesReportHelper.getColumnIds( columnNames, JIRA_COLUMNS );
         if ( columnIds.isEmpty() )
         {
             // This can happen if the user has configured column names and they are all invalid
             throw new MavenReportException(
                 "maven-changes-plugin: None of the configured columnNames '" + columnNames + "' are valid." );
         }
 
         try
         {
             // Download issues
             AbstractJiraDownloader issueDownloader;
             if ( mockDownloader != null )
             {
                 issueDownloader = mockDownloader;
             }
             else
             {
                 AdaptiveJiraDownloader downloader = new AdaptiveJiraDownloader();
                 downloader.setForceClassic( forceRss );
                 issueDownloader = downloader;
             }
             configureIssueDownloader( issueDownloader );
             issueDownloader.doExecute();
 
             List<Issue> issueList = issueDownloader.getIssueList();
 
             if ( StringUtils.isNotEmpty( versionPrefix ) )
             {
                 int originalNumberOfIssues = issueList.size();
                 issueList = IssueUtils.filterIssuesWithVersionPrefix( issueList, versionPrefix );
                 getLog().debug( "Filtered out " + issueList.size() + " issues of " + originalNumberOfIssues
                     + " that matched the versionPrefix '" + versionPrefix + "'." );
             }
 
             if ( onlyCurrentVersion )
             {
                 String version = ( versionPrefix == null ? "" : versionPrefix ) + project.getVersion();
                 issueList = IssueUtils.getIssuesForVersion( issueList, version );
                 getLog().info( "The JIRA Report will contain issues only for the current version." );
             }
 
             // Generate the report
             IssuesReportGenerator report = new IssuesReportGenerator( IssuesReportHelper.toIntArray( columnIds ) );
 
             if ( issueList.isEmpty() )
             {
                 report.doGenerateEmptyReport( getBundle( locale ), getSink() );
             }
             else
             {
                 report.doGenerateReport( getBundle( locale ), getSink(), issueList );
             }
         }
         catch ( Exception e )
         {
             getLog().warn( e );
         }
     }
 
     public String getDescription( Locale locale )
     {
         return getBundle( locale ).getString( "report.issues.description" );
     }
 
     public String getName( Locale locale )
     {
         return getBundle( locale ).getString( "report.issues.name" );
     }
 
     public String getOutputName()
     {
         return "jira-report";
     }
 
     /* --------------------------------------------------------------------- */
     /* Private methods                                                       */
     /* --------------------------------------------------------------------- */
 
     private ResourceBundle getBundle( Locale locale )
     {
         return ResourceBundle.getBundle( "jira-report", locale, this.getClass().getClassLoader() );
     }
 
     private void configureIssueDownloader( AbstractJiraDownloader issueDownloader )
     {
         issueDownloader.setLog( getLog() );
 
         issueDownloader.setMavenProject( project );
 
         issueDownloader.setOutput( jiraXmlPath );
 
         issueDownloader.setNbEntries( maxEntries );
 
         issueDownloader.setComponent( component );
 
         issueDownloader.setFixVersionIds( fixVersionIds );
 
         issueDownloader.setStatusIds( statusIds );
 
         issueDownloader.setResolutionIds( resolutionIds );
 
         issueDownloader.setPriorityIds( priorityIds );
 
         issueDownloader.setSortColumnNames( sortColumnNames );
 
         issueDownloader.setFilter( filter );
 
         issueDownloader.setJiraDatePattern( jiraDatePattern );
 
         issueDownloader.setJiraUser( jiraUser );
 
         issueDownloader.setJiraPassword( jiraPassword );
 
         issueDownloader.setTypeIds( typeIds );
 
         issueDownloader.setWebUser( webUser );
 
         issueDownloader.setWebPassword( webPassword );
 
         issueDownloader.setSettings( settings );
 
         issueDownloader.setUseJql( useJql );
         
         issueDownloader.setOnlyCurrentVersion( onlyCurrentVersion );
         
         issueDownloader.setVersionPrefix( versionPrefix );
     }
 
     public void setMockDownloader( AbstractJiraDownloader mockDownloader )
     {
         this.mockDownloader = mockDownloader;
     }
 
     public AbstractJiraDownloader getMockDownloader()
     {
         return mockDownloader;
     }
 }