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;

     }

 }