package net.sourceforge.fenixedu.domain.curricularRules;

import java.util.Collections;
import java.util.List;

import net.sourceforge.fenixedu.dataTransferObject.GenericPair;
import net.sourceforge.fenixedu.domain.ExecutionSemester;
import net.sourceforge.fenixedu.domain.curricularRules.executors.verifyExecutors.VerifyRuleExecutor;
import net.sourceforge.fenixedu.domain.degreeStructure.CourseGroup;
import net.sourceforge.fenixedu.domain.degreeStructure.DegreeModule;
import net.sourceforge.fenixedu.domain.studentCurriculum.StandaloneCurriculumGroup;

public class MaximumNumberOfEctsInStandaloneCurriculumGroup extends CurricularRuleNotPersistent {

    static private double MAXIMUM_DEFAULT_VALUE = 20.25d;

    private StandaloneCurriculumGroup standaloneCurriculumGroup;
    private double maximumEcts;

    public MaximumNumberOfEctsInStandaloneCurriculumGroup(final StandaloneCurriculumGroup standaloneCurriculumGroup) {
	this(standaloneCurriculumGroup, MAXIMUM_DEFAULT_VALUE);
    }

    public MaximumNumberOfEctsInStandaloneCurriculumGroup(final StandaloneCurriculumGroup standaloneCurriculumGroup,
	    final double maximumEcts) {
	this.standaloneCurriculumGroup = standaloneCurriculumGroup;
	this.maximumEcts = maximumEcts;
    }

    @Override
    public CourseGroup getContextCourseGroup() {
	return null;
    }

    @Override
    public CurricularRuleType getCurricularRuleType() {
	return CurricularRuleType.MAXIMUM_NUMBER_OF_ECTS_IN_STANDALONE_CURRICULUM_GROUP;
    }

    @Override
    public DegreeModule getDegreeModuleToApplyRule() {
	return null;
    }

    public StandaloneCurriculumGroup getStandaloneCurriculumGroup() {
	return standaloneCurriculumGroup;
    }

    @Override
    public ExecutionSemester getBegin() {
	return ExecutionSemester.readActualExecutionSemester();
    }

    @Override
    public ExecutionSemester getEnd() {
	return null;
    }

    @Override
    public List<GenericPair<Object, Boolean>> getLabel() {
	return Collections.singletonList(new GenericPair<Object, Boolean>("label.MaximumNumberOfEctsInStandaloneCurriculumGroup",
		true));
    }

    @Override
    public CompositeRule getParentCompositeRule() {
	return null;
    }

    @Override
    public VerifyRuleExecutor createVerifyRuleExecutor() {
	return VerifyRuleExecutor.NULL_VERIFY_EXECUTOR;
    }

    public double getMaximumEcts() {
	return maximumEcts;
    }

    public boolean allowEcts(final double ects) {
	return ects <= maximumEcts;
    }

    static public boolean allowEctsCheckingDefaultValue(final double ects) {
	return ects <= MAXIMUM_DEFAULT_VALUE;
    }

}