/*
 * Created on 28/Mai/2003
 *
 */
package net.sourceforge.fenixedu.presentationTier.Action.teacher;

import java.util.Calendar;

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.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.dataTransferObject.ISiteComponent;
import net.sourceforge.fenixedu.dataTransferObject.InfoEvaluation;
import net.sourceforge.fenixedu.dataTransferObject.InfoExam;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteCommon;
import net.sourceforge.fenixedu.dataTransferObject.TeacherAdministrationSiteView;
import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.FenixActionException;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.ServiceUtils;

import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
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 org.apache.struts.validator.DynaValidatorForm;

import pt.ist.fenixWebFramework.security.UserView;

/**
 * @author Tânia Nunes
 * 
 */
public class ExamEnrollmentDispatchAction extends FenixDispatchAction {

    /**
     * @author Fernanda Quitério 15/07/2003
     * 
     */
    public ActionForward prepareEnrolmentManagement(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixActionException, FenixFilterException {

	IUserView userView = getUserView(request);

	Integer evaluationCode = getFromRequest("evaluationCode", request);

	Integer executionCourseCode = getFromRequest("objectCode", request);

	ISiteComponent commonComponent = new InfoSiteCommon();
	InfoEvaluation evaluationComponent = new InfoEvaluation();
	Object[] args = { executionCourseCode, commonComponent, evaluationComponent, null, evaluationCode, null };

	TeacherAdministrationSiteView siteView = null;
	try {
	    siteView = (TeacherAdministrationSiteView) ServiceUtils.executeService("TeacherAdministrationSiteComponentService",
		    args);
	} catch (FenixServiceException e) {
	    throw new FenixActionException(e);
	}

	request.setAttribute("siteView", siteView);
	request.setAttribute("objectCode", ((InfoSiteCommon) siteView.getCommonComponent()).getExecutionCourse().getIdInternal());

	return mapping.findForward("viewEvaluationEnrolmentManagementMenu");
    }

    private Integer getFromRequest(String parameter, HttpServletRequest request) {
	Integer parameterCode = null;
	String parameterCodeString = request.getParameter(parameter);
	if (parameterCodeString == null) {
	    parameterCodeString = (String) request.getAttribute(parameter);
	}
	if (parameterCodeString != null) {
	    parameterCode = Integer.valueOf(parameterCodeString);
	}
	return parameterCode;

    }

    /**
     * @author Fernanda Quitério 15/07/2003
     * 
     */
    public ActionForward prepareEditEvaluationEnrolment(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixActionException, FenixFilterException {

	IUserView userView = getUserView(request);

	Integer evaluationCode = getFromRequest("evaluationCode", request);

	Integer executionCourseCode = getFromRequest("objectCode", request);

	ISiteComponent commonComponent = new InfoSiteCommon();
	InfoEvaluation evaluationComponent = new InfoEvaluation();
	Object[] args = { executionCourseCode, commonComponent, evaluationComponent, null, evaluationCode, null };

	TeacherAdministrationSiteView siteView = null;
	try {
	    siteView = (TeacherAdministrationSiteView) ServiceUtils.executeService("TeacherAdministrationSiteComponentService",
		    args);
	} catch (FenixServiceException e) {
	    throw new FenixActionException(e);
	}
	InfoEvaluation infoEvaluation = (InfoEvaluation) siteView.getComponent();
	if (infoEvaluation != null) {
	    if (infoEvaluation instanceof InfoExam) {
		InfoExam infoExam = (InfoExam) infoEvaluation;
		DynaValidatorForm periodForm = (DynaValidatorForm) form;
		periodForm.set("enrollmentBeginDayFormatted", infoExam.getEnrollmentBeginDayFormatted());
		periodForm.set("enrollmentBeginTimeFormatted", infoExam.getEnrollmentBeginTimeFormatted());
		periodForm.set("enrollmentEndDayFormatted", infoExam.getEnrollmentEndDayFormatted());
		periodForm.set("enrollmentEndTimeFormatted", infoExam.getEnrollmentEndTimeFormatted());
	    }
	}

	request.setAttribute("siteView", siteView);
	request.setAttribute("objectCode", ((InfoSiteCommon) siteView.getCommonComponent()).getExecutionCourse().getIdInternal());
	request.setAttribute("evaluationCode", evaluationCode);

	return mapping.findForward("editEvaluationEnrolmentPeriod");
    }

    public ActionForward editExamEnrollment(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixActionException, FenixFilterException {
	DynaActionForm examEnrollmentForm = (DynaActionForm) form;

	IUserView userView = UserView.getUser();

	Integer examIdInternal = Integer.valueOf(request.getParameter("evaluationCode"));
	Integer disciplinaExecucaoIdInternal = Integer.valueOf(request.getParameter("objectCode"));

	String enrollmentBeginDay = (String) examEnrollmentForm.get("enrollmentBeginDayFormatted");
	String enrollmentBeginHour = (String) examEnrollmentForm.get("enrollmentBeginTimeFormatted");
	String enrollmentEndDay = (String) examEnrollmentForm.get("enrollmentEndDayFormatted");
	String enrollmentEndHour = (String) examEnrollmentForm.get("enrollmentEndTimeFormatted");
	if (enrollmentBeginDay.length() == 0 || enrollmentBeginHour.length() == 0 || enrollmentEndDay.length() == 0
		|| enrollmentEndHour.length() == 0) {
	    setErrorMessage(request, "error.form.incomplete");
	    return mapping.getInputForward();
	}

	String[] enrollmentBeginDayArray = enrollmentBeginDay.split("/");
	String[] enrollmentBeginHourArray = enrollmentBeginHour.split(":");
	String[] enrollmentEndDayArray = enrollmentEndDay.split("/");
	String[] enrollmentEndHourArray = enrollmentEndHour.split(":");
	Calendar beginDate = Calendar.getInstance();
	beginDate.set(Calendar.YEAR, Integer.valueOf(enrollmentBeginDayArray[2]).intValue());
	beginDate.set(Calendar.MONTH, Integer.valueOf(enrollmentBeginDayArray[1]).intValue() - 1);
	beginDate.set(Calendar.DAY_OF_MONTH, Integer.valueOf(enrollmentBeginDayArray[0]).intValue());

	Calendar beginTime = Calendar.getInstance();
	beginTime.set(Calendar.HOUR_OF_DAY, Integer.valueOf(enrollmentBeginHourArray[0]).intValue());
	beginTime.set(Calendar.MINUTE, Integer.valueOf(enrollmentBeginHourArray[1]).intValue());

	Calendar endDate = Calendar.getInstance();

	endDate.set(Calendar.YEAR, Integer.valueOf(enrollmentEndDayArray[2]).intValue());
	endDate.set(Calendar.MONTH, Integer.valueOf(enrollmentEndDayArray[1]).intValue() - 1);
	endDate.set(Calendar.DAY_OF_MONTH, Integer.valueOf(enrollmentEndDayArray[0]).intValue());

	Calendar endTime = Calendar.getInstance();
	endTime.set(Calendar.HOUR_OF_DAY, Integer.valueOf(enrollmentEndHourArray[0]).intValue());
	endTime.set(Calendar.MINUTE, Integer.valueOf(enrollmentEndHourArray[1]).intValue());

	Object args[] = { disciplinaExecucaoIdInternal, examIdInternal, beginDate.getTime(), endDate.getTime(),
		beginTime.getTime(), endTime };

	try {
	    ServiceUtils.executeService("EditWrittenEvaluationEnrolmentPeriod", args);
	} catch (DomainException e) {
	    setErrorMessage(request, e.getKey());
	    return mapping.getInputForward();
	} catch (FenixServiceException e) {
	    setErrorMessage(request, e.getMessage());
	    return mapping.getInputForward();
	}

	request.setAttribute("evaluationCode", examIdInternal);
	request.setAttribute("objectCode", disciplinaExecucaoIdInternal);

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

    private void setErrorMessage(HttpServletRequest request, String message) {
	ActionErrors actionErrors = new ActionErrors();
	ActionError actionError = new ActionError(message);
	actionErrors.add(message, actionError);
	saveErrors(request, actionErrors);
    }
}