/*
 * OpenClinica is distributed under the
 * GNU Lesser General Public License (GNU LGPL).

 * For details see: http://www.openclinica.org/license
 * copyright 2003-2005 Akaza Research
 */
package org.akaza.openclinica.control.managestudy;

import org.akaza.openclinica.bean.core.Role;
import org.akaza.openclinica.bean.core.Status;
import org.akaza.openclinica.bean.managestudy.EventDefinitionCRFBean;
import org.akaza.openclinica.bean.managestudy.StudyEventDefinitionBean;
import org.akaza.openclinica.control.core.SecureController;
import org.akaza.openclinica.core.form.StringUtil;
import org.akaza.openclinica.dao.service.StudyParameterValueDAO;
import org.akaza.openclinica.view.Page;
import org.akaza.openclinica.web.InsufficientPermissionException;

import java.util.ArrayList;

/**
 * Remove the reference to a CRF from a study event definition
 *
 * @author jxu
 */
public class RemoveCRFFromDefinitionServlet extends SecureController {

    /**
     * Checks whether the user has the correct privilege
     */
    @Override
    public void mayProceed() throws InsufficientPermissionException {
        if (ub.isSysAdmin()) {
            return;
        }
        if (currentRole.getRole().equals(Role.STUDYDIRECTOR) || currentRole.getRole().equals(Role.COORDINATOR)) {
            return;
        }

        addPageMessage(respage.getString("no_have_permission_to_update_study_event_definition") + respage.getString("change_study_contact_sysadmin"));
        throw new InsufficientPermissionException(Page.LIST_DEFINITION_SERVLET, resexception.getString("not_study_director"), "1");

    }

    @Override
    public void processRequest() throws Exception {
        ArrayList edcs = (ArrayList) session.getAttribute("eventDefinitionCRFs");
        ArrayList updatedEdcs = new ArrayList();
        String crfName = "";

        StudyEventDefinitionBean sed = (StudyEventDefinitionBean) session.getAttribute("definition");
        StudyParameterValueDAO spvdao = new StudyParameterValueDAO(sm.getDataSource());    
        String participateFormStatus = spvdao.findByHandleAndStudy(sed.getStudyId(), "participantPortal").getValue();
    
        request.setAttribute("participateFormStatus",participateFormStatus );

        if (edcs != null && edcs.size() > 1) {
            String idString = request.getParameter("id");
            logger.info("crf id:" + idString);
            if (StringUtil.isBlank(idString)) {
                addPageMessage(respage.getString("please_choose_a_crf_to_remove"));
                forwardPage(Page.UPDATE_EVENT_DEFINITION1);
            } else {
                // crf id
                int id = Integer.valueOf(idString.trim()).intValue();
                for (int i = 0; i < edcs.size(); i++) {
                    EventDefinitionCRFBean edc = (EventDefinitionCRFBean) edcs.get(i);
                    if (edc.getCrfId() == id) {
                        edc.setStatus(Status.DELETED);
                        crfName = edc.getCrfName();
                    }
                    if (edc.getId() > 0 || !edc.getStatus().equals(Status.DELETED)) {
                        updatedEdcs.add(edc);
                        logger.info("\nversion:" + edc.getDefaultVersionId());
                    }
                }
                session.setAttribute("eventDefinitionCRFs", updatedEdcs);
                addPageMessage(respage.getString("has_been_removed_need_confirmation"));
                forwardPage(Page.UPDATE_EVENT_DEFINITION1);
            }

        } else {
            addPageMessage(respage.getString("an_ED_needs_to_have_least_one_CRF"));
            forwardPage(Page.UPDATE_EVENT_DEFINITION1);
        }
    }
}