/*

 Copyright 2010 James Pether Sörling Licensed 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. 

         $Id

 */

 package org.directdemocracyportal.democracy.web.controller;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Locale;

 import java.util.Map;

 import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 import org.directdemocracyportal.democracy.model.application.Event;

 import org.directdemocracyportal.democracy.model.application.OnlinePoliticalParty;

 import org.directdemocracyportal.democracy.model.application.User;

 import org.directdemocracyportal.democracy.model.world.Government;

 import org.directdemocracyportal.democracy.model.world.Organisation;

 import org.directdemocracyportal.democracy.model.world.Person;

 import org.directdemocracyportal.democracy.model.world.PoliticalParty;

 import org.directdemocracyportal.democracy.model.world.Vote;

 import org.directdemocracyportal.democracy.service.PartyAlreadyExistException;

 import org.directdemocracyportal.democracy.service.PortalService;

 import org.directdemocracyportal.democracy.service.UserAlreadyExistException;

 import org.directdemocracyportal.democracy.service.UserService;

 import org.directdemocracyportal.democracy.service.command.CreatePartyCommand;

 import org.directdemocracyportal.democracy.service.command.RegisterCommand;

 import org.directdemocracyportal.democracy.service.dao.AgentDAO;

 import org.directdemocracyportal.democracy.service.dao.DocumentDAO;

 import org.directdemocracyportal.democracy.web.ApplicationMessageHolder;

 import org.directdemocracyportal.democracy.web.BeanLocator;

 import org.directdemocracyportal.democracy.web.ImageConstants;

 import org.directdemocracyportal.democracy.web.StaticContextLoaderListener;

 import org.directdemocracyportal.democracy.web.UserState;

 import org.directdemocracyportal.democracy.web.ApplicationMessageHolder.MessageConstans;

 import org.directdemocracyportal.democracy.web.action.ControllerAction;

 import org.directdemocracyportal.democracy.web.action.CreatePoliticalPartyAction;

 import org.directdemocracyportal.democracy.web.action.JoinPoliticalPartyAction;

 import org.directdemocracyportal.democracy.web.action.LoginAction;

 import org.directdemocracyportal.democracy.web.action.LogoutAction;

 import org.directdemocracyportal.democracy.web.action.NewApplicationInstanceAction;

 import org.directdemocracyportal.democracy.web.action.RegisterAction;

 import org.directdemocracyportal.democracy.web.action.ShowAllEvents;

 import org.directdemocracyportal.democracy.web.action.ShowApplicationHome;

 import org.directdemocracyportal.democracy.web.action.ShowGovernmentAction;

 import org.directdemocracyportal.democracy.web.action.ShowGovernmentsAction;

 import org.directdemocracyportal.democracy.web.action.ShowMembersAction;

 import org.directdemocracyportal.democracy.web.action.ShowMyProfileAction;

 import org.directdemocracyportal.democracy.web.action.ShowOnlinePoliticalPartyAction;

 import org.directdemocracyportal.democracy.web.action.ShowOrganisationAction;

 import org.directdemocracyportal.democracy.web.action.ShowPersonAction;

 import org.directdemocracyportal.democracy.web.action.ShowPoliticalPartiesAction;

 import org.directdemocracyportal.democracy.web.action.ShowUserAction;

 import org.directdemocracyportal.democracy.web.views.ActiveUserView;

 import org.directdemocracyportal.democracy.web.views.EventsPanel;

 import org.directdemocracyportal.democracy.web.views.ExplorerPanel;

 import org.directdemocracyportal.democracy.web.views.FooterPanel;

 import org.directdemocracyportal.democracy.web.views.GovernmentOverviewPanel;

 import org.directdemocracyportal.democracy.web.views.GovernmentsPanel;

 import org.directdemocracyportal.democracy.web.views.HeaderPanel;

 import org.directdemocracyportal.democracy.web.views.MembersPanel;

 import org.directdemocracyportal.democracy.web.views.OnlinePoliticalPartyOverviewPanel;

 import org.directdemocracyportal.democracy.web.views.OrganisationOverviewPanel;

 import org.directdemocracyportal.democracy.web.views.PersonProfilePanel;

 import org.directdemocracyportal.democracy.web.views.PoliticalPartiesPanel;

 import org.directdemocracyportal.democracy.web.views.StartContentPanel;

 import org.directdemocracyportal.democracy.web.views.UserProfilePanel;

 import org.directdemocracyportal.democracy.web.views.dialogs.CreatePartyDialog;

 import org.directdemocracyportal.democracy.web.views.dialogs.LoginDialog;

 import org.directdemocracyportal.democracy.web.views.dialogs.RegisterUserDialog;

 import org.directdemocracyportal.democracy.web.views.dialogs.AbstractActionDialog.DialogResult;

 import org.directdemocracyportal.democracy.web.views.header.UserPanel;

 import org.directdemocracyportal.democracy.web.views.header.WelcomePanel;

 import org.springframework.context.i18n.LocaleContextHolder;

 import org.springframework.transaction.annotation.Propagation;

 import org.springframework.transaction.annotation.Transactional;

 import thinwire.ui.Component;

 import thinwire.ui.Frame;

 import thinwire.ui.Menu;

 import thinwire.ui.Panel;

 import thinwire.ui.layout.TableLayout;

 import thinwire.ui.style.Color;

 /**

  * The Class FrontController.

  */

 @Transactional(propagation = Propagation.REQUIRED)

 public class FrontController implements Controller

 {

     /** The log. */

     private static Log log = LogFactory.getLog(FrontController.class);

     /** The user service. */

     private final UserService userService;

     /** The portal service. */

     private final PortalService portalService;

     /** The agent dao. */

     private final AgentDAO agentDAO;

     /** The document dao. */

     private final DocumentDAO documentDAO;

     /**

      * Instantiates a new front controller.

      *

      * @param userService the user service

      * @param portalService the portal service

      * @param agentDAO the agent dao

      * @param documentDAO the document dao

      */

     public FrontController(UserService userService,

             PortalService portalService, AgentDAO agentDAO,

             DocumentDAO documentDAO) {

         super();

         this.userService = userService;

         this.portalService = portalService;

         this.agentDAO = agentDAO;

         this.documentDAO = documentDAO;

     }

     /* (non-Javadoc)

      * @see org.directdemocracyportal.democracy.web.controller.Controller#handleAction(org.directdemocracyportal.democracy.web.action.ControllerAction)

      */

     public void handleAction(ControllerAction action) throws Exception {

             if (action instanceof NewApplicationInstanceAction) {

                 handleNewApplicationInstanceAction((NewApplicationInstanceAction) action);

             }

             if (action instanceof LoginAction) {

                 handleLoginAction((LoginAction) action);

             } else if (action instanceof RegisterAction) {

                 handleRegisterAction((RegisterAction) action);

             }  else if (action instanceof LogoutAction) {

                 handleLogoutAction((LogoutAction) action);

             }  else if (action instanceof ShowMyProfileAction) {

                 handleShowMyProfileAction((ShowMyProfileAction) action);

             } else if (action instanceof ShowGovernmentAction) {

                 handleShowGovernmentAction((ShowGovernmentAction) action);

             }  else if (action instanceof ShowMembersAction) {

                 handleShowMembersAction((ShowMembersAction) action);

             }  else if (action instanceof ShowPoliticalPartiesAction) {

                 handleShowPoliticalPartiesAction((ShowPoliticalPartiesAction) action);

             } else if (action instanceof ShowGovernmentsAction) {

                 handleShowGovernmentsAction((ShowGovernmentsAction) action);

             } else if (action instanceof ShowApplicationHome) {

                 handleShowApplicationHome((ShowApplicationHome) action);

             } else if (action instanceof ShowAllEvents) {

                 handleShowAllEvents((ShowAllEvents) action);

             } else if (action instanceof CreatePoliticalPartyAction) {

                 handleCreatePoliticalPartyAction((CreatePoliticalPartyAction) action);

             }  else if (action instanceof JoinPoliticalPartyAction) {

                 handleJoinPoliticalPartyAction((JoinPoliticalPartyAction) action);

             } else if (action instanceof ShowOrganisationAction) {

                 handleShowOrganisationAction((ShowOrganisationAction) action);

             } else if (action instanceof ShowUserAction) {

                 handleShowUserAction((ShowUserAction) action);

             }  else if (action instanceof ShowOnlinePoliticalPartyAction) {

                 handleShowOnlinePoliticalPartyAction((ShowOnlinePoliticalPartyAction) action);

             } else if (action instanceof ShowPersonAction) {

                 handleShowPersonAction((ShowPersonAction) action);

             }

     }

     /**

      * Handle new application instance action.

      *

      * @param action the action

      */

     private void handleNewApplicationInstanceAction(

             NewApplicationInstanceAction action) {

         Frame frame = action.getFrame();

         setupUserSettings(action.getArgs());

         frame.setTitle(ApplicationMessageHolder

                 .getMessage(MessageConstans.APPLICATION_NAME));

         frame.setLayout(new TableLayout(new double[][] { { 150, 0 }, // Column

                 // Widths

                 { 0.1, 0.8, 0.1 } }, // Row Heights

                 1, // Margin around edge of container

                 0)); // Spacing between cells

         Menu menu = createMenu();

         frame.setMenu(menu);

         HeaderPanel headerPanel = new HeaderPanel();

         headerPanel.setLimit("0,0,2,1");

         frame.getChildren().add(headerPanel);

         ExplorerPanel explorerPanel = new ExplorerPanel();

         explorerPanel.setLimit("0,1,1,1");

         frame.getChildren().add(explorerPanel);

         PortalService portalService = (PortalService) StaticContextLoaderListener.getWebApplicationContext().getBean("portalService");

         Panel contentView = new StartContentPanel(portalService.getGlobalPortal());

         contentView.setLimit("1,1,1,1");

         frame.getChildren().add(contentView);

         ActiveUserView.activeContentView.set(contentView);

         FooterPanel footerPanel = new FooterPanel();

         footerPanel.setLimit("0,2,2,1");

         frame.getChildren().add(footerPanel);

     }

     /**

      * Sets the up user settings.

      *

      * @param args the new up user settings

      */

     private void setupUserSettings(String[] args) {

         UserState.userSettings.set(createUserSettingMap(args));

         if (UserState.getAcceptLanguage().contains("sv")) {

             UserState.locale.set(new Locale("sv"));

         } else {

             UserState.locale.set(LocaleContextHolder.getLocale());

         }

     }

     /**

      * Creates the user setting map.

      *

      * @param args the args

      * @return the map

      */

     private Map<String, String> createUserSettingMap(String[] args) {

         Map<String, String> userSetting = new HashMap<String, String>();

         for (String arg : args) {

             String[] split = arg.split("=", 2);

             String key = split[0];

             String value = split[1];

             userSetting.put(key, value);

         }

         return userSetting;

     }

     /**

      * Creates the menu.

      *

      * @return the menu

      */

     private Menu createMenu() {

         Menu menu = new Menu();

         menu.getStyle().getFont().setColor(Color.WHITE);

         menu.getStyle().getBackground().setColor(Color.valueOf("rgb(0,51,153)"));

         Menu.Item mainPortalItem = new Menu.Item(ApplicationMessageHolder

                 .getMessage(MessageConstans.APPLICATION_NAME));

         menu.getRootItem().getChildren().add(mainPortalItem);

         Menu.Item membersPortalItem = new Menu.Item(ApplicationMessageHolder

                 .getMessage(MessageConstans.GROUPS));

         membersPortalItem.setImage(ImageConstants.GROUP_HOME_ICON);

         menu.getRootItem().getChildren().add(membersPortalItem);

         Menu.Item portalItem = new Menu.Item(ApplicationMessageHolder

                 .getMessage(MessageConstans.RECENT_ACTIONS));

         membersPortalItem.getChildren().add(portalItem);

         Menu.Item showAllItem = new Menu.Item(ApplicationMessageHolder

                 .getMessage(MessageConstans.GROUPS));

         showAllItem.setUserObject(new ShowAllEvents());

         portalItem.getChildren().add(showAllItem);

         Menu.Item partyItem = new Menu.Item(ApplicationMessageHolder

                 .getMessage(MessageConstans.POLITICAL_PARTY));

         partyItem.setImage(ImageConstants.POLITICAL_PARTY_ICON);

         menu.getRootItem().getChildren().add(partyItem);

         Menu.Item createItem = new Menu.Item(ApplicationMessageHolder

                 .getMessage(MessageConstans.CREATE_POLITICAL_PARTY));

         createItem.setUserObject(new CreatePoliticalPartyAction());

         if (UserState.user.get() == null) {

             createItem.setEnabled(false);

         }

         partyItem.getChildren().add(createItem);

         Menu.Item governmentPortalItem = new Menu.Item(ApplicationMessageHolder

                 .getMessage(MessageConstans.GOVERNMENTS));

         governmentPortalItem.setImage(ImageConstants.GOVERNMENT_ICON);

         menu.getRootItem().getChildren().add(governmentPortalItem);

         menu.addActionListener(Component.ACTION_CLICK, BeanLocator

                 .getApplicationActionListener());

         return menu;

     }

     /**

      * Handle show person action.

      *

      * @param action the action

      */

     private void handleShowPersonAction(ShowPersonAction action) {

         Person person = (Person) agentDAO.load(action.getPersonId());

         List<Vote> votes = documentDAO.getVotesForPerson(person);

         ActiveUserView.changeContentView(new PersonProfilePanel(person,votes));

     }

     /**

      * Handle show online political party action.

      *

      * @param action the action

      */

     private void handleShowOnlinePoliticalPartyAction(

             ShowOnlinePoliticalPartyAction action) {

         Organisation organisation = (Organisation) portalService

         .getOrganisation(action.getPartyId());

         ActiveUserView.changeContentView(new OnlinePoliticalPartyOverviewPanel(

         (OnlinePoliticalParty) organisation));

     }

     /**

      * Handle show user action.

      *

      * @param action the action

      */

     private void handleShowUserAction(ShowUserAction action) {

         User user = userService.getUser(action.getUserId());

         ActiveUserView.changeContentView(new UserProfilePanel(user,portalService.getPoliticalParties()));

     }

     /**

      * Handle show organisation action.

      *

      * @param action the action

      */

     private void handleShowOrganisationAction(ShowOrganisationAction action) {

         Organisation organisation = (Organisation) portalService

         .getOrganisation(action.getOrganisationId());

         ActiveUserView.changeContentView(new OrganisationOverviewPanel(

         organisation));

     }

     /**

      * Handle join political party action.

      *

      * @param action the action

      */

     private void handleJoinPoliticalPartyAction(JoinPoliticalPartyAction action) {

         ActiveUserView.changeContentView(new OnlinePoliticalPartyOverviewPanel(

                 portalService.joinParty(action.getPartyId(),

                         UserState.user.get().getId())));

     }

     /**

      * Handle create political party action.

      *

      * @param action the action

      */

     private void handleCreatePoliticalPartyAction(

             CreatePoliticalPartyAction action) {

         CreatePartyDialog createPartyDialog = new CreatePartyDialog(portalService.getCountries());

         DialogResult dialogResult = createPartyDialog

                 .getDialogResult();

         if (dialogResult.equals(DialogResult.Do_Action)) {

             CreatePartyCommand createPartyCommand = new CreatePartyCommand();

             createPartyCommand.setName(createPartyDialog.getName());

             createPartyCommand.setCountryId(createPartyDialog

                     .getCountryId());

             try {

                 PoliticalParty politicalParty = portalService

                         .createParty(createPartyCommand,

                                 UserState.user.get().getId());

                 ActiveUserView

                         .changeContentView(new OnlinePoliticalPartyOverviewPanel(

                                 (OnlinePoliticalParty) politicalParty));

             } catch (PartyAlreadyExistException e) {

                 // TODO Auto-generated catch block

                 e.printStackTrace();

             }

         }

     }

     /**

      * Handle show all events.

      *

      * @param action the action

      */

     private void handleShowAllEvents(ShowAllEvents action) {

         List<Event> events = portalService.getEvents();

         ActiveUserView.changeContentView(new EventsPanel(events));

     }

     /**

      * Handle show application home.

      *

      * @param action the action

      */

     private void handleShowApplicationHome(ShowApplicationHome action) {

         ActiveUserView.changeContentView(new StartContentPanel(portalService.getGlobalPortal()));

     }

     /**

      * Handle show governments action.

      *

      * @param action the action

      */

     private void handleShowGovernmentsAction(ShowGovernmentsAction action) {

       ActiveUserView.changeContentView(new GovernmentsPanel(portalService.getGovernments()));

     }

     /**

      * Handle show political parties action.

      *

      * @param action the action

      */

     private void handleShowPoliticalPartiesAction(ShowPoliticalPartiesAction action) {

       ActiveUserView.changeContentView(new PoliticalPartiesPanel(portalService.getOnlinePoliticalParties()));

     }

     /**

      * Handle show members action.

      *

      * @param action the action

      */

     private void handleShowMembersAction(ShowMembersAction action) {

           ActiveUserView.changeContentView(new MembersPanel(portalService.getUsers()));

     }

   /**

    * Handle show government action.

    *

    * @param action the action

    */

   private void handleShowGovernmentAction(ShowGovernmentAction action) {

       Government government = portalService.getGovernment(action.getGovernmentId());

       ActiveUserView.changeContentView(new GovernmentOverviewPanel(government,portalService.getPoliticalParties()));

     }

   /**

    * Handle show my profile action.

    *

    * @param action the action

    */

   private void handleShowMyProfileAction(ShowMyProfileAction action) {

       ActiveUserView.changeContentView(new UserProfilePanel(UserState.user

               .get(),portalService.getPoliticalParties()));

     }

   /**

    * Handle logout action.

    *

    * @param action the action

    */

   private void handleLogoutAction(LogoutAction action) {

       userService.logout(UserState.user.get());

       UserState.user.set(null);

       ActiveUserView.changeRightHeaderPanel(new WelcomePanel());

       ActiveUserView.changeContentView(new StartContentPanel(portalService.getGlobalPortal()));

       ActiveUserView.changeActiveMenu(createMenu());

   }

   /**

    * Handle register action.

    *

    * @param action the action

    */

   private void handleRegisterAction(RegisterAction action) {

         RegisterUserDialog registerDlg = new RegisterUserDialog(portalService.getPortals());

         DialogResult dialogResult = registerDlg.getDialogResult();

         while (DialogResult.Do_Action.equals(dialogResult)) {

             RegisterCommand registerCommand = new RegisterCommand();

             registerCommand.setName(registerDlg.getName());

             registerCommand.setEmail(registerDlg.getEmail());

             registerCommand.setUsername(registerDlg.getUsername());

             registerCommand.setPassword(registerDlg.getPassword());

             registerCommand.setPortalId(registerDlg.getPortalId());

             try {

                 User user = userService.register(registerCommand, UserState.getSessionId());

                 UserState.user.set(user);

                 ActiveUserView.changeContentView(new UserProfilePanel(user,portalService.getPoliticalParties()));

                 ActiveUserView.changeRightHeaderPanel(new UserPanel(user));

                 ActiveUserView.changeActiveMenu(createMenu());

                 dialogResult = null;

             } catch (UserAlreadyExistException e) {

                 registerDlg.setErrorMessage(ApplicationMessageHolder.getMessage(MessageConstans.USER_EXIST_CHOOSE_DIFFERENT));

                 dialogResult = registerDlg.getDialogResult();

             }

         }

    }

     /**

      * Handle login action.

      *

      * @param loginAction the login action

      * @throws Exception the exception

      */

     public void handleLoginAction(LoginAction loginAction) throws Exception {

         LoginDialog loginDialog = new LoginDialog();

         DialogResult dialogResult = loginDialog.getDialogResult();

         if (dialogResult.equals(DialogResult.Do_Action)) {

             User user = userService.login(

                     loginDialog.getName(), loginDialog.getPassword(),

                     UserState.getSessionId());

             UserState.user.set(user);

             ActiveUserView.changeContentView(new UserProfilePanel(user,portalService.getPoliticalParties()));

             ActiveUserView.changeRightHeaderPanel(new UserPanel(user));

             ActiveUserView.changeActiveMenu(createMenu());

         }

     }

 }