package net.sourceforge.fenixedu.domain.precedences;

import net.sourceforge.fenixedu.domain.CurricularCourse;
import net.sourceforge.fenixedu.domain.ExecutionSemester;
import net.sourceforge.fenixedu.domain.curriculum.CurricularCourseEnrollmentType;
import net.sourceforge.fenixedu.util.PeriodToApplyRestriction;

/**
 * @author David Santos in Jun 9, 2004
 */

public class RestrictionPeriodToApply extends RestrictionPeriodToApply_Base {

    public RestrictionPeriodToApply() {
    }

    public RestrictionPeriodToApply(Integer number, Precedence precedence, CurricularCourse precedentCurricularCourse) {
	setPrecedence(precedence);
	setPeriodToApplyRestriction(PeriodToApplyRestriction.getEnum(number.intValue()));
    }

    public CurricularCourseEnrollmentType evaluate(PrecedenceContext precedenceContext) {
	ExecutionSemester executionSemester = precedenceContext.getExecutionPeriod();

	boolean isValid = false;

	if (this.getPeriodToApplyRestriction().equals(PeriodToApplyRestriction.BOTH_SEMESTERS)) {
	    isValid = true;
	} else if (executionSemester.getSemester().equals(Integer.valueOf(this.getPeriodToApplyRestriction().getValue()))) {
	    isValid = true;
	}

	if (isValid) {
	    return CurricularCourseEnrollmentType.DEFINITIVE;
	}

	return CurricularCourseEnrollmentType.NO_EVALUATE;
    }

}