/*
 * PatientView
 *
 * Copyright (c) Worth Solutions Limited 2004-2013
 *
 * This file is part of PatientView.
 *
 * PatientView is free software: you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * PatientView 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 PatientView in a file
 * titled COPYING. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package PatientView
 * @link http://www.patientview.org
 * @author PatientView <info@patientview.org>
 * @copyright Copyright (c) 2004-2013, Worth Solutions Limited
 * @license http://www.gnu.org/licenses/gpl-3.0.html The GNU General Public License V3.0
 */

package org.patientview.radar.web.panels.navigation;

import org.apache.wicket.MarkupContainer;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.patientview.radar.model.user.ProfessionalUser;
import org.patientview.radar.model.user.User;
import org.patientview.radar.web.RadarSecuredSession;
import org.patientview.radar.web.pages.ProfessionalsPage;
import org.patientview.radar.web.pages.patient.AddPatientPage;
import org.patientview.radar.web.pages.patient.ExistingPatientsListingPage;
import org.patientview.radar.web.pages.patient.srns.SrnsPatientPage;
import org.patientview.radar.web.pages.patient.srns.SrnsPatientPageReadOnly;

// TODO: this could be split into patient, professional and no one logged in
public class DefaultNavigationPanel extends BaseNavigationPanel {
    public DefaultNavigationPanel(Class<? extends org.apache.wicket.Page> pageClass) {
        boolean userLoggedIn = (isProfessionalOrSuperUserLoggedIn() || isPatientUserLoggedIn());

        // Generic links
        addHomePageLink();

        addLogoutLink(userLoggedIn);

//        add(new BookmarkablePageLink<DiseaseIndexPage>("diseaseIndexPageLink", DiseaseIndexPage.class));

        // Enter new patient - only visible when a professional is logged in
        BookmarkablePageLink enterNewPatientPageLink =
                new BookmarkablePageLink<SrnsPatientPage>("enterNewPatientPageLink", AddPatientPage.class);
        enterNewPatientPageLink.setVisible(isProfessionalOrSuperUserLoggedIn() && !isGroupAdmin());
        add(enterNewPatientPageLink);

        // Container for existing patients links, only visible when a professional is logged in
        // If they are a group admin then they do not have a renal unit and should not add patients
        MarkupContainer existingPatientsContainer = new WebMarkupContainer("existingPatientsContainer");
        existingPatientsContainer.setVisible(isProfessionalOrSuperUserLoggedIn());
        existingPatientsContainer.add(
                new BookmarkablePageLink<ExistingPatientsListingPage>("patientsListingPageLink",
                        ExistingPatientsListingPage.class)
        );
        add(existingPatientsContainer);

        // Container for clinicians links
        // todo Removed this dropdown from navigation but kep the code per Rob's request
//        MarkupContainer cliniciansContainer = new WebMarkupContainer("cliniciansContainer");
//        cliniciansContainer.setVisible(isProfessionalOrSuperUserLoggedIn());
//        cliniciansContainer.add(
//                new BookmarkablePageLink<MpgnPage>("mpgnPageLink", MpgnPage.class),
//                new BookmarkablePageLink<SrnsPage>("srnsPageLink", SrnsPage.class),
//                new BookmarkablePageLink<ConsentFormsPage>("consentFormsPageLink", ConsentFormsPage.class)
//        );
//        add(cliniciansContainer);

        BookmarkablePageLink professionalsPageLink = new BookmarkablePageLink<ProfessionalsPage>(
                "professionalsPageLink", ProfessionalsPage.class);
        professionalsPageLink.setVisible(!userLoggedIn || isProfessionalOrSuperUserLoggedIn());
        add(professionalsPageLink);

        BookmarkablePageLink patientsPageLink = new BookmarkablePageLink<SrnsPatientPageReadOnly>("patientsPageLink",
                SrnsPatientPageReadOnly.class);
        patientsPageLink.setVisible(!userLoggedIn);
        add(patientsPageLink);
    }

    protected boolean isProfessionalOrSuperUserLoggedIn() {
        RadarSecuredSession session = RadarSecuredSession.get();
        return session.isSignedIn() ? session.getRoles().hasRole(User.ROLE_PROFESSIONAL) ||
                session.getRoles().hasRole(User.ROLE_SUPER_USER) : false;
    }

    protected boolean isPatientUserLoggedIn() {
        RadarSecuredSession session = RadarSecuredSession.get();
        return session.isSignedIn() ? session.getRoles().hasRole(User.ROLE_PATIENT) : false;
    }
    protected boolean isGroupAdmin() {
        RadarSecuredSession session = RadarSecuredSession.get();
        User user = session.getUser();
        if (user instanceof ProfessionalUser) {
            return ((ProfessionalUser) user).isGroupAdmin();
        }
        return false;
    }
}