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

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

import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.domain.ExecutionCourse;
import net.sourceforge.fenixedu.domain.Item;
import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.domain.Professorship;
import net.sourceforge.fenixedu.domain.Section;
import net.sourceforge.fenixedu.domain.Site;
import net.sourceforge.fenixedu.domain.Teacher;
import net.sourceforge.fenixedu.presentationTier.Action.manager.SiteManagementDA;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class ManageExecutionCourseSiteDA extends SiteManagementDA {

    public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
	    HttpServletResponse response) throws Exception {
	propageContextIds(request);

	return super.execute(mapping, actionForm, request, response);
    }

    public ExecutionCourse getExecutionCourse(HttpServletRequest request) {
	return (ExecutionCourse) request.getAttribute("executionCourse");
    }

    public static void propageContextIds(final HttpServletRequest request) {
	String executionCourseIDString = request.getParameter("executionCourseID");

	if (executionCourseIDString == null || executionCourseIDString.length() == 0) {
	    executionCourseIDString = request.getParameter("objectCode");
	}

	if (executionCourseIDString != null && executionCourseIDString.length() > 0) {
	    final ExecutionCourse executionCourse = findExecutionCourse(request, Integer.valueOf(executionCourseIDString));
	    request.setAttribute("executionCourse", executionCourse);
	}
    }

    private static ExecutionCourse findExecutionCourse(final HttpServletRequest request, final Integer executionCourseID) {
	final IUserView userView = getUserView(request);

	if (userView != null) {
	    final Person person = userView.getPerson();
	    if (person != null) {
		for (final Professorship professorship : person.getProfessorshipsSet()) {
		    final ExecutionCourse executionCourse = professorship.getExecutionCourse();
		    if (executionCourse.getIdInternal().equals(executionCourseID)) {
			return executionCourse;
		    }
		}
	    }
	}

	return null;
    }

    @Override
    protected String getAuthorNameForFile(HttpServletRequest request) {
	return getExecutionCourse(request).getNome();
    }

    protected Site getSite(HttpServletRequest request) {
	ExecutionCourse executionCourse = (ExecutionCourse) request.getAttribute("executionCourse");

	if (executionCourse != null) {
	    return executionCourse.getSite();
	} else {
	    return null;
	}
    }

    @Override
    protected String getItemLocationForFile(HttpServletRequest request, Item item, Section section) {

	String path = section.getSite().getReversePath();
	if (path == null) {
	    return null;
	}

	String resourceLocation = request.getScheme() + "://" + request.getServerName() + request.getContextPath() + path
		+ item.getReversePath();
	return resourceLocation;
    }

}