/*
 * Copyright (C) 2003-2007 eXo Platform SAS.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 */
package org.exoplatform.ecm.webui.component.admin.repository;

import java.util.ArrayList;

import org.exoplatform.commons.utils.LazyPageList;
import org.exoplatform.commons.utils.ListAccess;
import org.exoplatform.commons.utils.ListAccessImpl;
import org.exoplatform.ecm.webui.component.admin.UIECMAdminPortlet;
import org.exoplatform.services.jcr.RepositoryService;
import org.exoplatform.services.jcr.config.RepositoryEntry;
import org.exoplatform.services.jcr.config.WorkspaceEntry;
import org.exoplatform.web.application.ApplicationMessage;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.config.annotation.EventConfig;
import org.exoplatform.webui.core.UIApplication;
import org.exoplatform.webui.core.UIGrid;
import org.exoplatform.webui.core.UIPopupComponent;
import org.exoplatform.webui.core.UIPopupContainer;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.EventListener;

/**
 * Created by The eXo Platform SARL
 * Author : Pham Tuan
 *          tuan.pham@exoplatform.com
 * Aug 1, 2007
 */

@ComponentConfig(
    template = "system:/groovy/ecm/webui/UIGridWithButton.gtmpl",
    events = {
        @EventConfig(listeners = UIRepositoryList.DeleteActionListener.class, confirm="UIRepositoryList.msg.confirm-delete"),
        @EventConfig(listeners = UIRepositoryList.CloseActionListener.class)
    }
)

public class UIRepositoryList extends UIGrid  implements UIPopupComponent {
  private static String[] REPO_BEAN_FIELD = {"name", "workspaces", "isdefault","accesscontrol", "sessiontimeout" } ;
  private static String[] REPO_ACTION = {"Delete"} ;

  public UIRepositoryList() throws Exception {
    configure("name", REPO_BEAN_FIELD, REPO_ACTION) ;
  }
  public String[] getActions() { return new String[]{"Close"} ; }

  public void updateGrid() throws Exception {
    RepositoryService rservice = getApplicationComponent(RepositoryService.class) ;
    String defaultName =  rservice.getConfig().getDefaultRepositoryName() ;
    ArrayList<RepoData> repos = new ArrayList<RepoData>() ;
    RepositoryEntry repo = rservice.getCurrentRepository().getConfiguration();
    StringBuilder sb = new StringBuilder() ;
    repo.getWorkspaceEntries() ;
    for(WorkspaceEntry ws : repo.getWorkspaceEntries()) {
      sb.append(ws.getName()).append(";") ;
    }
    String name = repo.getName() ;
    String isDefault = String.valueOf(defaultName.equals(repo.getName())) ;
    String accessControl = repo.getAccessControl() ;
    String sessionTime = String.valueOf(repo.getSessionTimeOut()) ;
    String workspace = sb.toString() ;
    repos.add(new RepoData(name, workspace, isDefault, accessControl, sessionTime)) ;
    ListAccess<RepoData> repoList = new ListAccessImpl<RepoData>(RepoData.class, repos);
    LazyPageList<RepoData> dataPageList = new LazyPageList<RepoData>(repoList, 10);
    getUIPageIterator().setPageList(dataPageList);
  }
  public void activate() throws Exception {}
  public void deActivate() throws Exception {}
  static  public class DeleteActionListener extends EventListener<UIRepositoryList> {
    public void execute(Event<UIRepositoryList> event) throws Exception {
      UIRepositoryList uiList = event.getSource() ;
      UIECMAdminPortlet uiAdminPortlet = uiList.getAncestorOfType(UIECMAdminPortlet.class) ;
      UIRepositoryControl repositoryControl = uiAdminPortlet.getChild(UIRepositoryControl.class);
      UIRepositoryControl uiControl = uiAdminPortlet.findFirstComponentOfType(UIRepositoryControl.class) ;
      RepositoryService rservice = uiList.getApplicationComponent(RepositoryService.class) ;
      String repoName = event.getRequestContext().getRequestParameter(OBJECTID)  ;
      UIApplication uiApp = uiList.getAncestorOfType(UIApplication.class) ;
      Object[] args = new Object[]{repoName}  ;
      if(repoName.equals(repositoryControl.getSelectedRepo()) || !rservice.canRemoveRepository(repoName)) {
        uiApp.addMessage(new ApplicationMessage("UIRepositoryList.msg.cannot-delete", args)) ;
        
        return ;
      }
      rservice.removeRepository(repoName) ;
      if(rservice.getConfig().isRetainable()) {
        rservice.getConfig().retain() ;
      }
      uiList.updateGrid() ;
      uiControl.reloadValue(true, rservice);
      event.getRequestContext().addUIComponentToUpdateByAjax(uiList.getAncestorOfType(UIPopupContainer.class)) ;
      event.getRequestContext().addUIComponentToUpdateByAjax(uiControl) ;
    }
  }

  static  public class CloseActionListener extends EventListener<UIRepositoryList> {
    public void execute(Event<UIRepositoryList> event) throws Exception {
      UIPopupContainer uiPopup = event.getSource().getAncestorOfType(UIPopupContainer.class);
      uiPopup.deActivate() ;
      event.getRequestContext().addUIComponentToUpdateByAjax(uiPopup) ;
    }
  }

  public class RepoData{
    String name ;
    String workspaces ;
    String isdefault = "false" ;
    String accesscontrol ;
    String sessiontimeout ;

    public RepoData(String rname, String rworkspaces, String risdefault, String raccess, String rtime){
      name = rname ;
      workspaces = rworkspaces ;
      isdefault = risdefault ;
      accesscontrol  = raccess ;
      sessiontimeout = rtime ;
    }
    public String getName() {return name ;}
    public String getWorkspaces () {return workspaces ;}
    public String getIsdefault() {return isdefault ;}
    public String getAccesscontrol() {return accesscontrol ;}
    public String getSessiontimeout() {return sessiontimeout ;}

  }
}
