package net.sourceforge.fenixedu.domain.precedences;

import java.util.List;

import net.sourceforge.fenixedu.domain.CurricularCourse;
import net.sourceforge.fenixedu.domain.curriculum.CurricularCourseEnrollmentType;
import net.sourceforge.fenixedu.domain.degree.enrollment.CurricularCourse2Enroll;

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

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

public class RestrictionHasEverBeenOrWillBeAbleToBeEnrolledInCurricularCourse extends
	RestrictionHasEverBeenOrWillBeAbleToBeEnrolledInCurricularCourse_Base {

    public RestrictionHasEverBeenOrWillBeAbleToBeEnrolledInCurricularCourse() {
	super();
    }

    public RestrictionHasEverBeenOrWillBeAbleToBeEnrolledInCurricularCourse(Integer number, Precedence precedence,
	    CurricularCourse precedentCurricularCourse) {
	super();

	setPrecedence(precedence);
	setPrecedentCurricularCourse(precedentCurricularCourse);
    }

    public CurricularCourseEnrollmentType evaluate(PrecedenceContext precedenceContext) {
	CurricularCourse curricularCourse = this.getPrecedentCurricularCourse();
	CurricularCourseEnrollmentType result1 = null;
	CurricularCourseEnrollmentType result2 = null;

	List curricularCoursesWhereStudentCanBeEnrolled = (List) CollectionUtils.collect(precedenceContext
		.getCurricularCourses2Enroll(), new Transformer() {
	    public Object transform(Object obj) {
		CurricularCourse2Enroll curricularCourse2Enroll = (CurricularCourse2Enroll) obj;
		return curricularCourse2Enroll.getCurricularCourse();
	    }
	});

	if (curricularCoursesWhereStudentCanBeEnrolled.contains(curricularCourse)) {
	    result1 = CurricularCourseEnrollmentType.DEFINITIVE;
	} else {
	    result1 = CurricularCourseEnrollmentType.NOT_ALLOWED;
	}

	result2 = super.evaluate(precedenceContext);

	return result1.or(result2);
    }
}