package org.itracker.web.actions.admin;
   
   import org.apache.log4j.Level;
   import org.apache.log4j.Logger;
   import org.apache.struts.action.ActionForm;
   import org.apache.struts.action.ActionForward;
   import org.apache.struts.action.ActionMapping;
   import org.itracker.core.resources.ITrackerResources;
   import org.itracker.model.Configuration;
  import org.itracker.model.util.ReportUtilities;
  import org.itracker.services.*;
  import org.itracker.web.actions.base.ItrackerBaseAction;
  import org.itracker.web.util.ServletContextUtils;
  import org.itracker.web.util.SessionManager;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.util.*;
  
  public class AdminHomeAction extends ItrackerBaseAction {
  
      private static final Logger log = Logger.getLogger(AdminHomeAction.class);
  
      public ActionForward execute(ActionMapping mapping, ActionForm form,
                                   HttpServletRequest request, HttpServletResponse response)
              throws Exception {
  
          execSetupJspEnv(request);
  
          return mapping.findForward("adminhome");
      }
  
  
      /**
       * This utility has to be called for any page forwarding to the admin-home, before forwarding. Else the page will contain no data.
       */
      public static void execSetupJspEnv(HttpServletRequest request) {
          Date time_millies = new Date(System.currentTimeMillis());
  
          IssueService issueService = ServletContextUtils.getItrackerServices()
                  .getIssueService();
          ReportService reportService = ServletContextUtils.getItrackerServices()
                  .getReportService();
          ConfigurationService configurationService = ServletContextUtils.getItrackerServices()
                  .getConfigurationService();
          UserService userService = ServletContextUtils.getItrackerServices().getUserService();
  
  
          ProjectService projectService2 = ServletContextUtils
                  .getItrackerServices().getProjectService();
  
          String exportReport = "type=all&reportOutput=XML&reportId="
                  + ReportUtilities.REPORT_EXPORT_XML;
  
          logTimeMillies("execute: looked up services", time_millies, log,
                  Level.INFO);
          Integer numberOfWorkflowScripts = configurationService
                  .getWorkflowScripts().size();
          request
                  .setAttribute("numberOfWorkflowScripts",
                          numberOfWorkflowScripts);
          logTimeMillies("execute: looked up numberOfWorkflowScripts",
                  time_millies, log, Level.INFO);
  
          ResourceBundle bundle = ITrackerResources.getBundle(ITrackerResources.BASE_LOCALE);
          Enumeration<String> keysEnum = bundle.getKeys();
          int i = 0;
          while (keysEnum.hasMoreElements()) {
              keysEnum.nextElement();
              i++;
          }
  
          request.setAttribute("numberDefinedKeys", i);
          logTimeMillies("execute: looked up numberDefinedKeys", time_millies,
                  log, Level.INFO);
  
          Integer numberOfStatuses = configurationService
                  .getConfigurationItemsByType(
                          Configuration.Type.status).size();
          request.setAttribute("numberOfStatuses", numberOfStatuses);
          logTimeMillies("execute: looked up numberOfStatuses", time_millies,
                  log, Level.INFO);
  
          Integer numberOfSeverities = configurationService
                  .getConfigurationItemsByType(
                          Configuration.Type.severity).size();
          request.setAttribute("numberOfSeverities", numberOfSeverities);
          logTimeMillies("execute: looked up numberOfSeverities", time_millies,
                  log, Level.INFO);
  
          Integer numberOfResolutions = configurationService
                  .getConfigurationItemsByType(
                          Configuration.Type.resolution).size();
          request.setAttribute("numberOfResolutions", numberOfResolutions);
          logTimeMillies("execute: looked up numberOfResolutions", time_millies,
                  log, Level.INFO);
  
          Integer numberOfCustomProjectFields = configurationService
                  .getCustomFields().size();
         request.setAttribute("numberOfCustomProjectFields",
                 numberOfCustomProjectFields);
         logTimeMillies("execute: looked up numberOfCustomProjectFields",
                 time_millies, log, Level.INFO);
 
         Integer numberofActiveSesssions = SessionManager.getNumActiveSessions();
 
         Integer numberUsers = userService.getAllUsers().size();
 
         request
                 .setAttribute("numberofActiveSesssions",
                         numberofActiveSesssions);
         request
                 .setAttribute("numberUsers",
                         numberUsers);
 
         logTimeMillies("execute: looked up numberofActiveSesssions",
                 time_millies, log, Level.INFO);
 
         Long allIssueAttachmentsTotalNumber = issueService
                 .getAllIssueAttachmentCount();
         request.setAttribute("allIssueAttachmentsTotalNumber",
                 allIssueAttachmentsTotalNumber);
         logTimeMillies("execute: looked up allIssueAttachmentsTotalNumber",
                 time_millies, log, Level.INFO);
 
         Integer numberReports = 0;
         try {
             numberReports = reportService.getNumberReports();
         } catch (Exception e) {
             log.warn("execSetupJspEnv", e);
         }
         request.setAttribute("numberReports",
                 numberReports);
         Long numberIssues = issueService.getNumberIssues();
 
         // TODO: performance issue when attachments size needs to be calculated
         // over many issues !
         // select sum(size)
         // from IssueAttachment
         if (allIssueAttachmentsTotalNumber < 500) {
             Long allIssueAttachmentsTotalSize = issueService
                     .getAllIssueAttachmentSize();
             request.setAttribute("allIssueAttachmentsTotalSize",
                     allIssueAttachmentsTotalSize);
         } else {
             request.setAttribute("allIssueAttachmentsTotalSize", -1l);
         }
         logTimeMillies("execute: looked up allIssueAttachmentsTotalSize",
                 time_millies, log, Level.INFO);
 
         /* set objects needed to render output in request object */
         request.setAttribute("projectService", projectService2);
         request.setAttribute("exportReport", exportReport);
         request.setAttribute("sizeps", projectService2.getAllProjects().size());
         request.setAttribute("numberIssues", numberIssues);
 
 
         request.setAttribute("numberAvailableLanguages", configurationService.getNumberAvailableLanguages());
         logTimeMillies("execute: put services to request", time_millies, log,
                 Level.INFO);
 
         String pageTitleKey = "itracker.web.admin.index.title";
         String pageTitleArg = "";
         request.setAttribute("pageTitleKey", pageTitleKey);
         request.setAttribute("pageTitleArg", pageTitleArg);
 
         logTimeMillies("execute: returning", time_millies, log, Level.INFO);
     }
 }