/* 
 * @(#)ManageUsersAction.java 
 * 
 * Copyright 2009 Instituto Superior Tecnico 
 * Founding Authors: João Figueiredo, Luis Cruz, Paulo Abrantes, Susana Fernandes 
 *  
 *      https://fenix-ashes.ist.utl.pt/ 
 *  
 *   This file is part of the Bennu Web Application Infrastructure. 
 * 
 *   The Bennu Web Application Infrastructure is free software: you can 
 *   redistribute it and/or modify it under the terms of the GNU Lesser General 
 *   Public License as published by the Free Software Foundation, either version  
 *   3 of the License, or (at your option) any later version. 
 * 
 *   Bennu 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 Lesser General Public License for more details. 
 * 
 *   You should have received a copy of the GNU Lesser General Public License 
 *   along with Bennu. If not, see <http://www.gnu.org/licenses/>. 
 *  
 */
package pt.ist.bennu.manager.presentation.actions;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import pt.ist.bennu.core.annotation.Functionality;
import pt.ist.bennu.core.domain.RoleType;
import pt.ist.bennu.core.domain.SearchUsers;
import pt.ist.bennu.core.domain.User;
import pt.ist.bennu.core.domain.groups.People;
import pt.ist.bennu.core.presentation.actions.ContextBaseAction;
import pt.ist.bennu.core.security.UserView;
import pt.ist.renderers.utils.RenderUtils;
import pt.ist.struts.dispatch.annotation.Mapping;

/**
 * 
 * @author Luis Cruz
 * 
 */
@Mapping(path = "/manageUsers")
public class ManageUsersAction extends ContextBaseAction {

    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
	    throws Exception {
	final User user = UserView.getUser();
	if (user == null || !user.hasRoleType(RoleType.MANAGER)) {
	    throw new Error("unauthorized.access");
	}
	return super.execute(mapping, form, request, response);
    }

    @Functionality(bundle = "resources/BennuManagerResources", groupKey = "label.application", key = "label.application.users")
    public ActionForward searchUsers(final ActionMapping mapping, final ActionForm form, final HttpServletRequest request,
	    final HttpServletResponse response) {
	SearchUsers searchUsers = RenderUtils.getRenderedObject("searchUsers");
	if (searchUsers == null) {
	    searchUsers = new SearchUsers();
	    final User user = UserView.getUser();
	    if (user != null) {
		searchUsers.setUser(user);
		searchUsers.setUsername(user.getUsername());
	    }
	}
	request.setAttribute("searchUsers", searchUsers);
	return forward(request, "/myorg/searchUsers.jsp");
    }

    public ActionForward generatePassword(final ActionMapping mapping, final ActionForm form, final HttpServletRequest request,
	    final HttpServletResponse response) {
	final User user = getDomainObject(request, "userId");
	user.generatePassword();
	request.setAttribute("password", user.getPassword());
	final SearchUsers searchUsers = new SearchUsers();
	searchUsers.setUser(user);
	searchUsers.setUsername(user.getUsername());
	request.setAttribute("searchUsers", searchUsers);
	return forward(request, "/myorg/searchUsers.jsp");
    }

    public ActionForward prepareCreateNewUser(final ActionMapping mapping, final ActionForm form,
	    final HttpServletRequest request, final HttpServletResponse response) {
	final SearchUsers searchUsers = new SearchUsers();
	request.setAttribute("searchUsers", searchUsers);
	return forward(request, "/myorg/createNewUser.jsp");
    }

    public ActionForward createNewUser(final ActionMapping mapping, final ActionForm form, final HttpServletRequest request,
	    final HttpServletResponse response) {
	final SearchUsers searchUsers = RenderUtils.getRenderedObject("searchUsers");
	final User user = User.createNewUser(searchUsers.getUsername());
	searchUsers.setUser(user);
	return searchUsers(mapping, form, request, response);
    }

    public ActionForward prepareAddGroup(final ActionMapping mapping, final ActionForm form, final HttpServletRequest request,
	    final HttpServletResponse response) {
	final User user = getDomainObject(request, "userId");
	request.setAttribute("user", user);
	request.setAttribute("roleTypes", RoleType.values());
	return forward(request, "/myorg/addGroup.jsp");
    }

    public ActionForward addGroup(final ActionMapping mapping, final ActionForm form, final HttpServletRequest request,
	    final HttpServletResponse response) {
	final User user = getDomainObject(request, "userId");
	final String roleTypeString = request.getParameter("roleType");
	final RoleType roleType = RoleType.valueOf(roleTypeString);
	user.addRoleType(roleType);
	final SearchUsers searchUsers = new SearchUsers();
	searchUsers.setUser(user);
	searchUsers.setUsername(user.getUsername());
	request.setAttribute("searchUsers", searchUsers);
	return forward(request, "/myorg/searchUsers.jsp");
    }

    public ActionForward removeGroup(final ActionMapping mapping, final ActionForm form, final HttpServletRequest request,
	    final HttpServletResponse response) {
	final User user = getDomainObject(request, "userId");
	final SearchUsers searchUsers = new SearchUsers();
	searchUsers.setUser(user);
	searchUsers.setUsername(user.getUsername());
	request.setAttribute("searchUsers", searchUsers);

	final People people = getDomainObject(request, "peopleId");
	user.removePeopleGroups(people);
	return forward(request, "/myorg/searchUsers.jsp");
    }

    public ActionForward editUser(final ActionMapping mapping, final ActionForm form, final HttpServletRequest request,
	    final HttpServletResponse response) {
	final User user = getDomainObject(request, "userId");
	request.setAttribute("user", user);
	return forward(request, "/myorg/editUser.jsp");
    }

    public ActionForward forwardToSearchUser(final ActionMapping mapping, final ActionForm form,
	    final HttpServletRequest request, final HttpServletResponse response) {
	final User user = getDomainObject(request, "userId");
	final SearchUsers searchUsers = new SearchUsers();
	searchUsers.setUser(user);
	searchUsers.setUsername(user.getUsername());
	request.setAttribute("searchUsers", searchUsers);
	return forward(request, "/myorg/searchUsers.jsp");
    }

    public ActionForward changePassword(final ActionMapping mapping, final ActionForm form, final HttpServletRequest request,
	    final HttpServletResponse response) {
	final User user = getDomainObject(request, "userId");
	request.setAttribute("user", user);
	return forward(request, "/myorg/changePassword.jsp");
    }

}