package net.sourceforge.fenixedu.domain.studentCurriculum;

import java.util.Collection;
import java.util.HashSet;

import net.sourceforge.fenixedu.dataTransferObject.administrativeOffice.dismissal.ISCTEDismissalBean.SelectedCurriculumEntry;
import net.sourceforge.fenixedu.dataTransferObject.administrativeOffice.dismissal.ISCTEDismissalBean.SelectedDismissalEntry;
import net.sourceforge.fenixedu.domain.ExecutionPeriod;
import net.sourceforge.fenixedu.domain.StudentCurricularPlan;
import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.domain.student.curriculum.ICurriculumEntry;
import pt.iscte.ci.metadata.ISCTE;

/**
 * 
 * @author rjmvo
 * 
 */
public class ISCTETransitionCredits extends ISCTETransitionCredits_Base {

    public ISCTETransitionCredits() {
	super();
    }

    public ISCTETransitionCredits(StudentCurricularPlan scp, ExecutionPeriod executionPeriod,
	    Collection<SelectedCurriculumEntry> enrolments, Collection<SelectedDismissalEntry> dismissals) {
	this();
	init(scp, executionPeriod, enrolments, dismissals);
    }

    public ISCTETransitionCredits(StudentCurricularPlan studentCurricularPlan, ExecutionPeriod executionPeriod,
	    Collection<SelectedCurriculumEntry> enrolments, CurriculumGroup curriculumGroup, Double credits) {

	this();

	init(studentCurricularPlan, executionPeriod);

	if (enrolments == null || enrolments.isEmpty()) {
	    throw new DomainException("error.ISCTETransitionCredits.invalid.enrolments");
	}

	if (credits == null || credits.doubleValue() == 0d) {
	    throw new DomainException("error.ISCTETransitionCredits.invalid.credits");
	}

	setGivenCredits(credits);

	ISCTEDismissalsUtils.checkGivenCredits(this, executionPeriod, enrolments, credits);
	ISCTEDismissalsUtils.addCurriculumEntries(this, enrolments);
	ISCTEDismissalsUtils.addCreditsDismissals(this, curriculumGroup);
    }

    private void init(StudentCurricularPlan scp, ExecutionPeriod executionPeriod) {
	initExecutionPeriod(executionPeriod);

	if (scp == null) {
	    throw new DomainException("error.substitution.wrong.arguments");
	}

	setStudentCurricularPlan(scp);
    }

    protected void init(StudentCurricularPlan scp, ExecutionPeriod executionPeriod,
	    Collection<SelectedCurriculumEntry> enrolments, Collection<SelectedDismissalEntry> dismissals) {

	init(scp, executionPeriod);

	if (enrolments == null || enrolments.isEmpty()) {
	    throw new DomainException("error.substitution.wrong.arguments");
	}

	if (dismissals == null || dismissals.isEmpty()) {
	    throw new DomainException("error.substitution.wrong.arguments");
	}

	ISCTEDismissalsUtils.checkGivenCredits(this, executionPeriod, enrolments, dismissals);

	ISCTEDismissalsUtils.addCurriculumEntries(this, enrolments);
	ISCTEDismissalsUtils.addDismissalsEntries(this, dismissals);
    }

    @Override
    public boolean isCredits() {
	return false;
    }

    @Override
    public boolean isTransitionCredits() {
	return true;
    }

    @Override
    public Collection<ICurriculumEntry> getAverageEntries() {
	return new HashSet<ICurriculumEntry>(getIEnrolments());
    }

    @ISCTE(author = "Nadir Amin")
    @Override
    public String getShortTypeDescription() {
	return "TC";
    }

}