package net.sourceforge.fenixedu.applicationTier.Servico.teacher;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;

import net.sourceforge.fenixedu.applicationTier.FenixService;
import net.sourceforge.fenixedu.applicationTier.Factory.TeacherAdministrationSiteComponentBuilder;
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.InfoFrequenta;
import net.sourceforge.fenixedu.dataTransferObject.InfoFrequentaWithAll;
import net.sourceforge.fenixedu.dataTransferObject.InfoMark;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteCommon;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteMarks;
import net.sourceforge.fenixedu.dataTransferObject.TeacherAdministrationSiteView;
import net.sourceforge.fenixedu.domain.Attends;
import net.sourceforge.fenixedu.domain.Evaluation;
import net.sourceforge.fenixedu.domain.ExecutionCourse;
import net.sourceforge.fenixedu.domain.ExecutionCourseSite;
import net.sourceforge.fenixedu.domain.Mark;
import net.sourceforge.fenixedu.domain.curriculum.EnrolmentEvaluationType;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Transformer;

/**
 * @author Tânia Pousão
 * 
 */
public class ReadStudentsAndMarksByEvaluation extends FenixService {

    public Object run(Integer executionCourseCode, Integer evaluationCode) throws FenixServiceException {

	InfoEvaluation infoEvaluation = new InfoEvaluation();

	// Execution Course
	final ExecutionCourse executionCourse = rootDomainObject.readExecutionCourseByOID(executionCourseCode);

	// Site
	final ExecutionCourseSite site = executionCourse.getSite();

	// Evaluation
	Evaluation evaluation = rootDomainObject.readEvaluationByOID(evaluationCode);

	infoEvaluation = InfoEvaluation.newInfoFromDomain(evaluation);

	// Attends
	List attendList = executionCourse.getAttends();

	// Marks
	List<Mark> marksList = evaluation.getMarks();

	List infoAttendList = (List) CollectionUtils.collect(attendList, new Transformer() {
	    public Object transform(Object input) {
		Attends attend = (Attends) input;
		InfoFrequenta infoAttend = InfoFrequentaWithAll.newInfoFromDomain(attend);
		// Melhoria Alterar isto depois: isto está feio assim
		if (attend.getEnrolment() != null) {
		    if (!attend.getEnrolment().getExecutionPeriod().equals(executionCourse.getExecutionPeriod())) {
			infoAttend.setEnrolmentEvaluationType(EnrolmentEvaluationType.IMPROVEMENT);
		    }
		}
		return infoAttend;
	    }
	});

	List infoMarkList = (List) CollectionUtils.collect(marksList, new Transformer() {
	    public Object transform(Object input) {
		Mark mark = (Mark) input;

		InfoMark infoMark = InfoMark.newInfoFromDomain(mark);
		return infoMark;
	    }
	});

	HashMap hashMarks = new HashMap();
	Iterator iter = infoMarkList.iterator();
	while (iter.hasNext()) {
	    InfoMark infoMark = (InfoMark) iter.next();
	    hashMarks.put(infoMark.getInfoFrequenta().getAluno().getNumber().toString(), infoMark.getMark());
	}
	InfoSiteMarks infoSiteMarks = new InfoSiteMarks();
	infoSiteMarks.setMarksList(infoMarkList);
	infoSiteMarks.setInfoEvaluation(infoEvaluation);
	infoSiteMarks.setInfoAttends(infoAttendList);
	infoSiteMarks.setHashMarks(hashMarks);

	TeacherAdministrationSiteComponentBuilder componentBuilder = new TeacherAdministrationSiteComponentBuilder();
	ISiteComponent commonComponent = componentBuilder.getComponent(new InfoSiteCommon(), site, null, null, null);

	TeacherAdministrationSiteView siteView = new TeacherAdministrationSiteView(commonComponent, infoSiteMarks);

	return siteView;

    }
}