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

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

import net.sourceforge.fenixedu.applicationTier.Filtro.exception.FenixFilterException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.NonExistingServiceException;
import net.sourceforge.fenixedu.dataTransferObject.ExecutionCourseSiteView;
import net.sourceforge.fenixedu.dataTransferObject.ISiteComponent;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteCommon;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteCurricularCoursesAndAssociatedShiftsAndClasses;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.FenixActionException;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.NonExistingActionException;
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;

public class SiteViewerDispatchAction extends FenixDispatchAction {

    public ActionForward firstPage(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixActionException, FenixFilterException {

	ISiteComponent firstPageComponent = new InfoSiteCurricularCoursesAndAssociatedShiftsAndClasses();

	String objectCodeString = request.getParameter("objectCode");
	if (objectCodeString == null) {
	    objectCodeString = (String) request.getAttribute("objectCode");
	}
	Integer infoExecutionCourseCode = Integer.valueOf(objectCodeString);

	if (readSiteView(request, firstPageComponent, infoExecutionCourseCode, null) == true)
	    return mapping.findForward("sucess");
	return mapping.findForward("erro");
    }

    private boolean readSiteView(HttpServletRequest request, ISiteComponent firstPageComponent, Integer infoExecutionCourseCode,
	    Integer sectionIndex) throws FenixActionException, FenixFilterException {

	Integer objectCode = null;
	if (infoExecutionCourseCode == null) {
	    String objectCodeString = request.getParameter("objectCode");
	    if (objectCodeString == null) {
		objectCodeString = (String) request.getAttribute("objectCode");

	    }
	    objectCode = Integer.valueOf(objectCodeString);

	}

	ISiteComponent commonComponent = new InfoSiteCommon();

	Object[] args = { commonComponent, firstPageComponent, objectCode, infoExecutionCourseCode, sectionIndex };
	boolean result = true;
	try {
	    ExecutionCourseSiteView siteView = (ExecutionCourseSiteView) ServiceUtils.executeService(
		    "ExecutionCourseSiteComponentService", args);
	    request.setAttribute("objectCode", objectCode);
	    if (siteView == null) {
		result = false;

		ActionErrors actionErrors = new ActionErrors();
		actionErrors.add("StudentNotEnroled", new ActionError("error.nonExisting.AssociatedCurricularCourses"));
		saveErrors(request, actionErrors);

	    } else {
		request.setAttribute("siteView", siteView);
		request.setAttribute("executionCourseCode", ((InfoSiteCommon) siteView.getCommonComponent()).getExecutionCourse()
			.getIdInternal());
		request.setAttribute("executionPeriodCode", ((InfoSiteCommon) siteView.getCommonComponent()).getExecutionCourse()
			.getInfoExecutionPeriod().getIdInternal());

	    }
	} catch (NonExistingServiceException e) {
	    throw new NonExistingActionException("A disciplina", e);
	} catch (FenixServiceException e) {
	    throw new FenixActionException(e);
	}
	return result;
    }

}