package net.sf.statcvs.pages;
   
   import java.io.IOException;
   import java.util.ArrayList;
   import java.util.Calendar;
   import java.util.Collections;
   import java.util.Iterator;
   import java.util.List;
   
  import net.sf.statcvs.Main;
  import net.sf.statcvs.model.Directory;
  import net.sf.statcvs.output.ChurnPageMaker;
  import net.sf.statcvs.output.RepoMapPageMaker;
  import net.sf.statcvs.output.ReportConfig;
  import net.sf.statcvs.pages.xml.GenerateXml;
  import net.sf.statcvs.util.ModuleUtil;
  
  /**
   * TODO: Clean up
   * 
   * @author Anja Jentzsch
   * @author Benoit Xhenseval (OutputRenderer and ExtraReportRegister interfaces)
   * @version $Id: ReportSuiteMaker.java,v 1.11 2009/08/22 10:30:42 benoitx Exp $
   */
  public class ReportSuiteMaker {
  
      /**
       * Path to web distribution files inside the distribution JAR, relative to
       * the {@link net.sf.statcvs.Main} class
       */
      public static final String WEB_FILE_PATH = "web-files/";
  
      public static final String DIRECTORY_ICON = "folder.png";
      public static final String BUG_ICON = "bug.png";
      public static final String TWEET_THIS_SMALL = "tt-twitter-micro3.png";
      public static final String TWEET_THIS_ICON = "tweet-this.png";
      public static final String DELETED_DIRECTORY_ICON = "folder-deleted.png";
      public static final String FILE_ICON = "file.png";
      public static final String DELETED_FILE_ICON = "file-deleted.png";
      public static final int ICON_WIDTH = 15;
      public static final int ICON_HEIGHT = 13;
  
      private final ReportConfig config;
      private final String notesHTML;
      private List extraPages = new ArrayList();
  
      /**
       * @param config Configuration and data for the report suite
       * @param notesHTML A note to be inserted on top of the page; might be <tt>null</tt>
       */
      public ReportSuiteMaker(final ReportConfig config, final String notesHTML) {
          this(config, notesHTML, Collections.EMPTY_LIST);
      }
  
      /**
       * @param config Configuration and data for the report suite
       * @param notesHTML A note to be inserted on top of the page; might be <tt>null</tt>
       * @param additionalPages A list of {@link Page}s for inclusion in the index page's main menu
       */
      public ReportSuiteMaker(final ReportConfig config, final String notesHTML, final List additionalPages) {
          this.config = config;
          this.notesHTML = notesHTML;
          this.extraPages = additionalPages;
      }
  
      /**
      * this method will move away from the ordinary routine taken by
      * statSVn and will invoke some new classes that are written to generate the xml's
      * 
      */
      public void toXml() {
          new GenerateXml(this.config).generate();
      }
  
      /**
       * TODO: Don't throw exception
       * @throws IOException on error while writing the files
       */
      public Page toFile() throws IOException {
          this.config.getCssHandler().createOutputFiles();
          if (this.config.getRepository().isEmpty()) {
              return createEmptyRepositoryPage();
          }
          createIcon(TWEET_THIS_SMALL);
          createIcon(TWEET_THIS_ICON);
          createIcon(BUG_ICON);
          createIcon(DIRECTORY_ICON);
          createIcon(DELETED_DIRECTORY_ICON);
          createIcon(FILE_ICON);
          createIcon(DELETED_FILE_ICON);
  
          final PageGroup mainMenu = new PageGroup("Reports", false);
          final IndexPageMaker indexPageMaker = new IndexPageMaker(this.config, this.notesHTML, mainMenu);
  
          //        Runtime.getRuntime().gc();
          //        final long memoryUsedOnStart = Runtime.getRuntime().freeMemory();
  
          final NavigationNode allDevPage = new AllDevelopersPageMaker(this.config).toFile();
          mainMenu.add(allDevPage);
         allDevPage.setParent(indexPageMaker.getPage());
         //        Runtime.getRuntime().gc();
         //        long memoryUsedOnStop = Runtime.getRuntime().freeMemory();
         //        System.out.println("Mem with HTML " + (memoryUsedOnStop-memoryUsedOnStart));
         allDevPage.write();
         //        Runtime.getRuntime().gc();
         //        memoryUsedOnStop = Runtime.getRuntime().freeMemory();
         //        System.out.println("Mem AFTER WRITING " + (memoryUsedOnStop-memoryUsedOnStart));
         final PageGroup locPageGroup = new CommitLogPageGroupMaker(this.config).getPages();
         if (locPageGroup != null) {
             mainMenu.add(locPageGroup);
             locPageGroup.setParent(indexPageMaker.getPage());
             locPageGroup.write();
         }
 
         final NavigationNode locPage = new LOCPageMaker(this.config).toFile();
         mainMenu.add(locPage);
         locPage.setParent(indexPageMaker.getPage());
         locPage.write();
 
         final NavigationNode fileSizePage = new FileSizesPageMaker(this.config).toFile();
         mainMenu.add(fileSizePage);
         fileSizePage.setParent(indexPageMaker.getPage());
         fileSizePage.write();
 
         final NavigationNode dirPage = new DirectorySizesPageMaker(this.config).toFile();
         mainMenu.add(dirPage);
         dirPage.setParent(indexPageMaker.getPage());
         dirPage.write();
 
         if (ModuleUtil.modulesPresent()) {
             final NavigationNode modulePage = new ModulesPageMaker(this.config).toFile();
             mainMenu.add(modulePage);
             modulePage.setParent(indexPageMaker.getPage());
             modulePage.write();
         }
 
         final NavigationNode repoPage = new RepoMapPageMaker(config).toFile();
         mainMenu.add(repoPage);
         repoPage.setParent(indexPageMaker.getPage());
         repoPage.write();
 
         final NavigationNode churnPage = new ChurnPageMaker(config).toFile();
         mainMenu.add(churnPage);
         churnPage.setParent(indexPageMaker.getPage());
         churnPage.write();
 
         final NavigationNode cloudPage = new CloudCommitPageMaker(this.config).toFile();
         mainMenu.add(cloudPage);
         cloudPage.setParent(indexPageMaker.getPage());
         cloudPage.write();
 
         Iterator it = this.extraPages.iterator();
         while (it.hasNext()) {
             final Page extra = (Page) it.next();
             extra.setParent(indexPageMaker.getPage());
             mainMenu.add(extra);
         }
         final Page indexPage = indexPageMaker.toFile();
 
         final PageGroup directoryPages = new PageGroup("Directories", false);
         it = this.config.getRepository().getDirectories().iterator();
         while (it.hasNext()) {
             final Page dirPageGrp = new DirectoryPageMaker(this.config, (Directory) it.next()).toFile();
             dirPageGrp.setParent(indexPageMaker.getPage());
             directoryPages.add(dirPageGrp);
             dirPageGrp.write();
         }
         indexPage.addChild(directoryPages);
         directoryPages.write();
         return indexPage;
     }
 
     private void createIcon(final String iconFilename) throws IOException {
         this.config.copyFileIntoReport(Main.class.getResource(WEB_FILE_PATH + iconFilename), iconFilename);
     }
 
     private Page createEmptyRepositoryPage() {
         String projectName = this.config.getProjectName();
         if (projectName == null) {
             projectName = "empty repository";
         }
         final String title = "Development statistics for " + projectName;
         final Page page = this.config.createPage("index", title, title);
         page.addAttribute("Generated", Calendar.getInstance().getTime());
         page.addRawContent("<p>No matching files in repository.</p>");
         return page;
     }
 }