/**
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/ 
* 
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations under
* the License.
* 
* The Original Code is OpenELIS code.
* 
* Copyright (C) The Minnesota Department of Health.  All Rights Reserved.
*/
package us.mn.state.health.lims.codeelementtype.action;

import java.util.List;

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 us.mn.state.health.lims.codeelementtype.dao.CodeElementTypeDAO;
import us.mn.state.health.lims.codeelementtype.daoimpl.CodeElementTypeDAOImpl;
import us.mn.state.health.lims.codeelementtype.valueholder.CodeElementType;
import us.mn.state.health.lims.common.action.BaseAction;
import us.mn.state.health.lims.common.action.BaseActionForm;
import us.mn.state.health.lims.common.exception.LIMSRuntimeException;
import us.mn.state.health.lims.common.log.LogEvent;
import us.mn.state.health.lims.common.util.StringUtil;

/**
 * @author diane benz
 * 
 * To change this generated comment edit the template variable "typecomment":
 * Window>Preferences>Java>Templates. To enable and disable the creation of type
 * comments go to Window>Preferences>Java>Code Generation.
 */
public class CodeElementTypeNextPreviousAction extends BaseAction {
	
	private boolean isNew = false;

	protected ActionForward performAction(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		// The first job is to determine if we are coming to this action with an
		// ID parameter in the request. If there is no parameter, we are
		// creating a new Analyte.
		// If there is a parameter present, we should bring up an existing
		// Analyte to edit.
		String forward = FWD_SUCCESS;
		request.setAttribute(ALLOW_EDITS_KEY, "true");
		request.setAttribute(PREVIOUS_DISABLED, "false");
		request.setAttribute(NEXT_DISABLED, "false");
		
		String id = request.getParameter(ID);
		
	
		if (StringUtil.isNullorNill(id) || "0".equals(id)) {
			isNew = true;
		} else {
			isNew = false;
		}
		
	
		BaseActionForm dynaForm = (BaseActionForm) form;


		String start = (String) request.getParameter("startingRecNo");
		String direction = (String) request.getParameter("direction");

		// System.out.println("This is ID from request " + id);
		CodeElementType codeElementType = new CodeElementType();

        codeElementType.setId(id);
		try {

			CodeElementTypeDAO codeElementTypeDAO = new CodeElementTypeDAOImpl();
			//retrieve analyte by id since the name may have changed
			codeElementTypeDAO.getData(codeElementType);

			if (FWD_NEXT.equals(direction)) {
					//bugzilla 1427 pass in name not id
					List codeElementTypes = codeElementTypeDAO.getNextCodeElementTypeRecord(codeElementType.getText());
					if (codeElementTypes != null && codeElementTypes.size() > 0) {
						codeElementType = (CodeElementType) codeElementTypes.get(0);
						codeElementTypeDAO.getData(codeElementType);
						if (codeElementTypes.size() < 2) {
							// disable next button
							request.setAttribute(NEXT_DISABLED, "true");
						}
						id = codeElementType.getId();
					} else {
						// just disable next button
						request.setAttribute(NEXT_DISABLED, "true");
					}
				}

				if (FWD_PREVIOUS.equals(direction)) {
					//bugzilla 1427 pass in name not id
					List codeElementTypes = codeElementTypeDAO.getPreviousCodeElementTypeRecord(codeElementType.getText());
					if (codeElementTypes != null && codeElementTypes.size() > 0) {
						codeElementType = (CodeElementType) codeElementTypes.get(0);
						codeElementTypeDAO.getData(codeElementType);
						if (codeElementTypes.size() < 2) {
							// disable previous button
							request.setAttribute(PREVIOUS_DISABLED, "true");
						}
						id = codeElementType.getId();
					} else {
						// just disable next button
						request.setAttribute(PREVIOUS_DISABLED, "true");
					}
				}

		} catch (LIMSRuntimeException lre) {
			//bugzilla 2154
			LogEvent.logError("CodeElementTypeNextPreviousAction","performAction()",lre.toString());
			request.setAttribute(ALLOW_EDITS_KEY, "false");
			// disable previous and next
			request.setAttribute(PREVIOUS_DISABLED, "true");
			request.setAttribute(NEXT_DISABLED, "true");
			forward = FWD_FAIL;
		} 
		if (forward.equals(FWD_FAIL))
			return mapping.findForward(forward);


		if (codeElementType.getId() != null && !codeElementType.getId().equals("0")) {
			request.setAttribute(ID, codeElementType.getId());

		}

		return getForward(mapping.findForward(forward), id, start);

	}

	protected String getPageTitleKey() {
       return null;
	}

	protected String getPageSubtitleKey() {
       return null;
	}

}