/*
 * Created on Jan 11, 2005
 */

package net.sourceforge.fenixedu.presentationTier.Action.projectsManagement;

import java.util.Calendar;
import java.util.List;

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

import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.applicationTier.Filtro.exception.FenixFilterException;
import net.sourceforge.fenixedu.applicationTier.Servico.ExcepcaoInexistente;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidArgumentsServiceException;
import net.sourceforge.fenixedu.dataTransferObject.InfoPerson;
import net.sourceforge.fenixedu.dataTransferObject.comparators.CalendarDateComparator;
import net.sourceforge.fenixedu.dataTransferObject.projectsManagement.InfoProjectAccess;
import net.sourceforge.fenixedu.framework.factory.ServiceManagerServiceFactory;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.ServiceUtils;

import org.apache.commons.lang.StringUtils;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.DynaActionForm;

import pt.ist.fenixWebFramework.security.UserView;

/**
 * @author Susana Fernandes
 */
public class ProjectAccessDelegationDispatchAction extends FenixDispatchAction {

    public ActionForward showProjectsAccesses(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixServiceException, FenixFilterException {
	final IUserView userView = UserView.getUser();
	final String costCenter = request.getParameter("costCenter");
	final Boolean it = StringUtils.isEmpty(request.getParameter("it")) ? false : true;
	getCostCenterName(request, costCenter, it);
	try {
	    final List projectsAccessesList = (List) ServiceManagerServiceFactory.executeService("ReadProjectAccesses",
		    new Object[] { userView.getUtilizador(), costCenter, it });
	    request.setAttribute("projectsAccessesList", projectsAccessesList);
	} catch (InvalidArgumentsServiceException e) {
	}
	return mapping.findForward("showProjectsAccesses");
    }

    public ActionForward choosePerson(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixServiceException, FenixFilterException {
	final IUserView userView = UserView.getUser();
	final String costCenter = request.getParameter("costCenter");
	final Boolean it = StringUtils.isEmpty(request.getParameter("it")) ? false : true;
	request.setAttribute("it", it);
	getCostCenterName(request, costCenter, it);
	final List projectList = (List) ServiceUtils.executeService("ReadUserProjects", new Object[] { userView.getUtilizador(),
		costCenter, Boolean.valueOf(false), it });
	if (projectList == null || projectList.size() == 0)
	    request.setAttribute("noUserProjects", Boolean.valueOf(true));
	return mapping.findForward("choosePerson");
    }

    public ActionForward showPersonAccesses(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixServiceException, FenixFilterException {
	final IUserView userView = UserView.getUser();
	final String username = (String) ((DynaActionForm) form).get("username");
	request.setAttribute("username", username);
	final String costCenter = request.getParameter("costCenter");
	final Boolean it = StringUtils.isEmpty(request.getParameter("it")) ? false : true;
	getCostCenterName(request, costCenter, it);
	if (username != null && !username.equals("")) {
	    try {
		if (!username.equalsIgnoreCase(userView.getUtilizador())) {
		    final List personAccessesList = (List) ServiceManagerServiceFactory.executeService("ReadProjectAccesses",
			    new Object[] { userView.getUtilizador(), costCenter, username, it });
		    request.setAttribute("personAccessesList", personAccessesList);
		    if (personAccessesList == null || personAccessesList.size() == 0) {
			final InfoPerson infoPerson = (InfoPerson) ServiceManagerServiceFactory
				.executeService("ReadPersonToDelegateAccess", new Object[] { userView.getUtilizador(),
					costCenter, username, it });
			request.setAttribute("infoPerson", infoPerson);
		    }

		    final List projectList = (List) ServiceUtils.executeService("ReadProjectWithoutPersonAccess", new Object[] {
			    userView.getUtilizador(), costCenter, personAccessesList, it });
		    request.setAttribute("projectList", projectList);
		    return mapping.findForward("showPersonAccesses");
		}
	    } catch (ExcepcaoInexistente e) {
		request.setAttribute("noPerson", Boolean.valueOf(true));
	    } catch (InvalidArgumentsServiceException e) {
		request.setAttribute("noValidPerson", Boolean.valueOf(true));
	    }
	}
	return mapping.findForward("choosePerson");
    }

    public ActionForward delegateAccess(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixServiceException, FenixFilterException {
	final IUserView userView = UserView.getUser();
	final Integer projectCode = (Integer) ((DynaActionForm) form).get("projectCode");
	final String costCenter = request.getParameter("costCenter");
	final Boolean it = StringUtils.isEmpty(request.getParameter("it")) ? false : true;
	getCostCenterName(request, costCenter, it);
	final String username = (String) ((DynaActionForm) form).get("username");
	final String beginDay = (String) ((DynaActionForm) form).get("beginDay");
	final String beginMonth = (String) ((DynaActionForm) form).get("beginMonth");
	final String beginYear = (String) ((DynaActionForm) form).get("beginYear");
	final String endDay = (String) ((DynaActionForm) form).get("endDay");
	final String endMonth = (String) ((DynaActionForm) form).get("endMonth");
	final String endYear = (String) ((DynaActionForm) form).get("endYear");
	final Calendar beginDate = string2Date(beginDay, beginMonth, beginYear);
	final Calendar endDate = string2Date(endDay, endMonth, endYear);
	CalendarDateComparator dateComparator = new CalendarDateComparator();
	if (dateComparator.compare(beginDate, endDate) >= 0) {
	    request.setAttribute("invalidTime", Boolean.valueOf(true));
	} else if (dateComparator.compare(Calendar.getInstance(), endDate) > 0) {
	    request.setAttribute("invalidEndTime", Boolean.valueOf(true));
	} else {
	    if (projectCode != null && projectCode.equals(Integer.valueOf(-1))) {
		ServiceManagerServiceFactory.executeService("InsertNewProjectAccess", new Object[] { userView.getUtilizador(),
			costCenter, username, beginDate, endDate, it });
	    } else {
		final String[] projectCodes = request.getParameterValues("projectCodes");
		if (projectCodes != null && projectCodes.length != 0) {
		    ServiceManagerServiceFactory.executeService("InsertNewProjectAccess", new Object[] {
			    userView.getUtilizador(), costCenter, username, projectCodes, beginDate, endDate, it });
		} else {
		    request.setAttribute("noProjectsSelected", Boolean.valueOf(true));
		}
	    }
	}

	return showPersonAccesses(mapping, form, request, response);
    }

    public ActionForward removeProjectAccess(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixServiceException, FenixFilterException {
	final IUserView userView = UserView.getUser();
	final Integer projectCode = getCodeFromRequest(request, "projectCode");
	final String personUsername = request.getParameter("username");
	final String costCenter = request.getParameter("costCenter");
	final Boolean it = StringUtils.isEmpty(request.getParameter("it")) ? false : true;
	getCostCenterName(request, costCenter, it);
	ServiceManagerServiceFactory.executeService("RemoveProjectAccess", new Object[] { userView.getUtilizador(), costCenter,
		personUsername, projectCode, it });
	return showProjectsAccesses(mapping, form, request, response);
    }

    public ActionForward removePersonAccess(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixServiceException, FenixFilterException {
	final IUserView userView = UserView.getUser();
	final Integer projectCode = getCodeFromRequest(request, "projectCode");
	final String personUsername = request.getParameter("username");
	final String costCenter = request.getParameter("costCenter");
	final Boolean it = StringUtils.isEmpty(request.getParameter("it")) ? false : true;
	getCostCenterName(request, costCenter, it);
	ServiceManagerServiceFactory.executeService("RemoveProjectAccess", new Object[] { userView.getUtilizador(), costCenter,
		personUsername, projectCode, it });
	return showPersonAccesses(mapping, form, request, response);
    }

    public ActionForward prepareEditProjectAccess(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixServiceException, FenixFilterException {
	final IUserView userView = UserView.getUser();
	final Integer projectCode = getCodeFromRequest(request, "projectCode");
	final Integer personCode = getCodeFromRequest(request, "personCode");
	final String costCenter = request.getParameter("costCenter");
	final Boolean it = StringUtils.isEmpty(request.getParameter("it")) ? false : true;
	getCostCenterName(request, costCenter, it);
	final InfoProjectAccess infoProjectAccess = (InfoProjectAccess) ServiceManagerServiceFactory.executeService(
		"ReadProjectAccesses", new Object[] { userView.getUtilizador(), costCenter, personCode, projectCode, it });
	((DynaActionForm) form).set("beginDay", Integer.valueOf(infoProjectAccess.getBeginDate().get(Calendar.DAY_OF_MONTH))
		.toString());
	((DynaActionForm) form).set("beginMonth", Integer.valueOf(infoProjectAccess.getBeginDate().get(Calendar.MONTH) + 1)
		.toString());
	((DynaActionForm) form).set("beginYear", Integer.valueOf(infoProjectAccess.getBeginDate().get(Calendar.YEAR)).toString());
	((DynaActionForm) form).set("endDay", Integer.valueOf(infoProjectAccess.getEndDate().get(Calendar.DAY_OF_MONTH))
		.toString());
	((DynaActionForm) form).set("endMonth", Integer.valueOf(infoProjectAccess.getEndDate().get(Calendar.MONTH) + 1)
		.toString());
	((DynaActionForm) form).set("endYear", Integer.valueOf(infoProjectAccess.getEndDate().get(Calendar.YEAR)).toString());
	request.setAttribute("infoProjectAccess", infoProjectAccess);
	return mapping.findForward("editProjectAccess");
    }

    public ActionForward editProjectAccess(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixServiceException, FenixFilterException {
	final IUserView userView = UserView.getUser();
	final Integer projectCode = (Integer) ((DynaActionForm) form).get("projectCode");
	final String costCenter = request.getParameter("costCenter");
	final Boolean it = StringUtils.isEmpty(request.getParameter("it")) ? false : true;
	getCostCenterName(request, costCenter, it);
	final Integer personCode = (Integer) ((DynaActionForm) form).get("personCode");
	final String beginDay = (String) ((DynaActionForm) form).get("beginDay");
	final String beginMonth = (String) ((DynaActionForm) form).get("beginMonth");
	final String beginYear = (String) ((DynaActionForm) form).get("beginYear");
	final String endDay = (String) ((DynaActionForm) form).get("endDay");
	final String endMonth = (String) ((DynaActionForm) form).get("endMonth");
	final String endYear = (String) ((DynaActionForm) form).get("endYear");
	final Calendar beginDate = string2Date(beginDay, beginMonth, beginYear);
	final Calendar endDate = string2Date(endDay, endMonth, endYear);
	CalendarDateComparator dateComparator = new CalendarDateComparator();
	if (dateComparator.compare(beginDate, endDate) >= 0) {
	    request.setAttribute("invalidTime", Boolean.valueOf(true));
	    return prepareEditProjectAccess(mapping, form, request, response);
	} else if (dateComparator.compare(Calendar.getInstance(), endDate) > 0) {
	    request.setAttribute("invalidEndTime", Boolean.valueOf(true));
	    return prepareEditProjectAccess(mapping, form, request, response);
	} else
	    ServiceManagerServiceFactory.executeService("EditProjectAccess", new Object[] { userView.getUtilizador(), costCenter,
		    personCode, projectCode, beginDate, endDate, it });
	return showPersonAccesses(mapping, form, request, response);
    }

    private Integer getCodeFromRequest(HttpServletRequest request, String codeString) {
	Integer code = null;
	try {
	    Object objectCode = request.getAttribute(codeString);
	    if (objectCode != null) {
		if (objectCode instanceof String)
		    code = Integer.valueOf((String) objectCode);
		else if (objectCode instanceof Integer)
		    code = (Integer) objectCode;
	    } else {
		String thisCodeString = request.getParameter(codeString);
		if (thisCodeString != null)
		    code = Integer.valueOf(thisCodeString);
	    }
	} catch (NumberFormatException e) {
	    return null;
	}
	return code;
    }

    private Calendar string2Date(String day, String month, String year) {
	Calendar result = Calendar.getInstance();
	result.set(Calendar.DAY_OF_MONTH, (Integer.valueOf(day)).intValue());
	result.set(Calendar.MONTH, (Integer.valueOf(month)).intValue() - 1);
	result.set(Calendar.YEAR, (Integer.valueOf(year)).intValue());
	return result;
    }

    private void getCostCenterName(HttpServletRequest request, String costCenter, Boolean it) throws FenixServiceException,
	    FenixFilterException {
	if (costCenter != null && !costCenter.equals("")) {
	    final IUserView userView = UserView.getUser();
	    request.setAttribute("infoCostCenter", ServiceUtils.executeService("ReadCostCenter", new Object[] {
		    userView.getUtilizador(), costCenter, it }));
	}
    }
}