/*
 * @author Goncalo Luiz gedl [AT] rnl [DOT] ist [DOT] utl [DOT] pt
 * 
 * 
 * Created at Feb 1, 2004 , 3:57:28 PM
 *  
 */
package net.sourceforge.fenixedu.presentationTier.Action.Seminaries;

import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Iterator;
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.Servico.commons.student.ReadStudentCurricularPlansForSeminaries;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.NonExistingServiceException;
import net.sourceforge.fenixedu.applicationTier.utils.MockUserView;
import net.sourceforge.fenixedu.dataTransferObject.InfoEnrolment;
import net.sourceforge.fenixedu.dataTransferObject.InfoStudentCurricularPlan;
import net.sourceforge.fenixedu.dataTransferObject.Seminaries.InfoClassification;
import net.sourceforge.fenixedu.domain.GradeScale;
import net.sourceforge.fenixedu.framework.factory.ServiceManagerServiceFactory;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixAction;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.FenixActionException;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.PresentationConstants;

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

/**
 * 
 * Created at Feb 1, 2004 , 3:57:28 PM
 * 
 * @author Goncalo Luiz gedl [AT] rnl [DOT] ist [DOT] utl [DOT] pt
 * 
 * 
 * 
 */
public class ViewCandidateCurriculum extends FenixAction {

    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
	    throws Exception {
	IUserView userView = getUserView(request);
	String username = request.getParameter("username");
	IUserView studentUserView = new MockUserView(username, new ArrayList(0), null);
	List cps = null;
	List enrollments = null;
	InfoStudentCurricularPlan selectedSCP = null;
	try {

	    cps = (ArrayList) ReadStudentCurricularPlansForSeminaries.run(studentUserView);
	    long startDate = Long.MAX_VALUE;
	    for (Iterator iter = cps.iterator(); iter.hasNext();) {
		InfoStudentCurricularPlan cp = (InfoStudentCurricularPlan) iter.next();
		if (cp.getStartDate().getTime() < startDate) {
		    startDate = cp.getStartDate().getTime();
		    selectedSCP = cp;
		}
	    }
	    Object getCurriculumArgs[] = { null, selectedSCP.getIdInternal() };
	    enrollments = (ArrayList) ServiceManagerServiceFactory.executeService("ReadStudentCurriculum", getCurriculumArgs);
	} catch (NonExistingServiceException e) {
	    throw new FenixActionException(e);
	}
	InfoClassification ic = new InfoClassification();
	int i = 0;
	float acc = 0;
	float grade = 0;
	for (Iterator iter = enrollments.iterator(); iter.hasNext();) {
	    InfoEnrolment ie = (InfoEnrolment) iter.next();
	    String stringGrade;
	    if (ie.getInfoEnrolmentEvaluation() != null) {

		stringGrade = ie.getInfoEnrolmentEvaluation().getGradeValue();
	    } else {
		stringGrade = GradeScale.NA;
	    }
	    if (stringGrade != null && !stringGrade.equals("") && !stringGrade.equals(GradeScale.RE)
		    && !stringGrade.equals(GradeScale.NA) && !stringGrade.equals(GradeScale.AP)) {
		Float gradeObject = new Float(stringGrade);
		grade = gradeObject.floatValue();
		acc += grade;
		i++;
	    }
	}
	if (i != 0) {
	    String value = new DecimalFormat("#0.0").format(acc / i);
	    ic.setAritmeticClassification(value);
	}
	ic.setCompletedCourses(Integer.valueOf(i).toString());
	request.setAttribute("classification", ic);
	request.setAttribute(PresentationConstants.CURRICULUM, enrollments);
	request.setAttribute(PresentationConstants.STUDENT_CURRICULAR_PLAN, selectedSCP);
	return mapping.findForward("viewCurriculum");
    }
}