package net.sourceforge.fenixedu.dataTransferObject.administrativeOffice.dismissal;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

import net.sourceforge.fenixedu.domain.CompetenceCourse;
import net.sourceforge.fenixedu.domain.CurricularCourse;
import net.sourceforge.fenixedu.domain.DomainObject;
import net.sourceforge.fenixedu.domain.DomainReference;
import net.sourceforge.fenixedu.domain.ExecutionPeriod;
import net.sourceforge.fenixedu.domain.Grade;
import net.sourceforge.fenixedu.domain.StudentCurricularPlan;
import net.sourceforge.fenixedu.domain.degreeStructure.CourseGroup;
import net.sourceforge.fenixedu.domain.student.curriculum.ICurriculumEntry;
import net.sourceforge.fenixedu.domain.studentCurriculum.CurriculumGroup;

/**
 * 
 * @author rjmvo
 * 
 */
public class ISCTEDismissalBean implements Serializable {

    private static final long serialVersionUID = 1L;

    public static enum DismissalType {
	CURRICULAR_COURSE_CREDITS, CURRICULUM_GROUP_CREDITS, NO_COURSE_GROUP_CURRICULUM_GROUP_CREDITS;

	public String getName() {
	    return name();
	}
    }

    private DomainReference<ExecutionPeriod> executionPeriod;
    private DomainReference<CourseGroup> courseGroup;
    private DomainReference<CurriculumGroup> curriculumGroup;
    private DomainReference<StudentCurricularPlan> studentCurricularPlan;
    private Set<SelectedCurriculumEntry> enrolments = new HashSet<SelectedCurriculumEntry>();
    private Set<SelectedDismissalEntry> dismissals = new HashSet<SelectedDismissalEntry>();

    private Grade grade;
    private Double credits;
    private Double weight;
    private DismissalType dismissalType;
    private boolean curricularIntegration;

    public ExecutionPeriod getExecutionPeriod() {
	return (this.executionPeriod != null) ? this.executionPeriod.getObject() : null;
    }

    public void setExecutionPeriod(ExecutionPeriod executionPeriod) {
	this.executionPeriod = (executionPeriod != null) ? new DomainReference<ExecutionPeriod>(executionPeriod) : null;
    }

    public CourseGroup getCourseGroup() {
	return (this.courseGroup != null) ? this.courseGroup.getObject() : null;
    }

    public void setCourseGroup(CourseGroup courseGroup) {
	this.courseGroup = (courseGroup != null) ? new DomainReference<CourseGroup>(courseGroup) : null;
    }

    public CurriculumGroup getCurriculumGroup() {
	return (this.curriculumGroup != null) ? this.curriculumGroup.getObject() : null;
    }

    public void setCurriculumGroup(CurriculumGroup curriculumGroup) {
	this.curriculumGroup = (curriculumGroup != null) ? new DomainReference<CurriculumGroup>(curriculumGroup) : null;
    }

    public StudentCurricularPlan getStudentCurricularPlan() {
	return (this.studentCurricularPlan != null) ? this.studentCurricularPlan.getObject() : null;
    }

    public void setStudentCurricularPlan(StudentCurricularPlan studentCurricularPlan) {
	this.studentCurricularPlan = (studentCurricularPlan != null) ? new DomainReference<StudentCurricularPlan>(
		studentCurricularPlan) : null;
    }

    public Grade getGrade() {
	return grade;
    }

    public void setGrade(Grade grade) {
	this.grade = grade;
    }

    public Double getCredits() {
	return credits;
    }

    public void setCredits(Double credits) {
	this.credits = credits;
    }

    public Double getWeight() {
	return weight;
    }

    public void setWeight(Double weight) {
	this.weight = weight;
    }

    public DismissalType getDismissalType() {
	return dismissalType;
    }

    public void setDismissalType(DismissalType dismissalType) {
	this.dismissalType = dismissalType;
    }

    public boolean isCurricularIntegration() {
	return curricularIntegration;
    }

    public void setCurricularIntegration(boolean curricularIntegration) {
	this.curricularIntegration = curricularIntegration;
    }

    public boolean hasAnyEnrolments() {
	return !enrolments.isEmpty();
    }

    public SelectedCurriculumEntry getEnrolmentEntry() {
	return null;
    }

    public void setEnrolmentEntry(SelectedCurriculumEntry entry) {
	if (entry != null && !enrolments.contains(entry)) {
	    enrolments.add(entry);
	}
    }

    public void removeEnrolmentEntry(Integer entryId) {
	for (SelectedCurriculumEntry enrolment : enrolments) {
	    if (enrolment.getCurriculumEntry().getIdInternal().equals(entryId)) {
		enrolments.remove(enrolment);
		break;
	    }
	}
    }

    public void removeEnrolmentEntry(SelectedCurriculumEntry entry) {
	enrolments.remove(entry);
    }

    public boolean hasAnyDismissals() {
	return !dismissals.isEmpty();
    }

    public SelectedDismissalEntry getDismissalEntry() {
	return null;
    }

    public void setDismissalEntry(SelectedDismissalEntry entry) {
	if (entry != null && !dismissals.contains(entry)) {
	    dismissals.add(entry);
	}
    }

    public void removeDismissalEntry(Integer entryId) {
	for (SelectedDismissalEntry dismissal : dismissals) {
	    if (dismissal.getCurricularCourse().getIdInternal().equals(entryId)) {
		dismissals.remove(dismissal);
		break;
	    }
	}
    }

    public void removeDismissalEntry(SelectedDismissalEntry entry) {
	dismissals.remove(entry);
    }

    public Set<SelectedCurriculumEntry> getSelectedEnrolmentsEntries() {
	return enrolments;
    }

    public Set<SelectedDismissalEntry> getSelectedDismissalsEntries() {
	return dismissals;
    }

    public Set<SelectedDismissalEntry> getSelectedCurricularCourses() {
	final Set<SelectedDismissalEntry> result = new HashSet<SelectedDismissalEntry>();

	for (final SelectedDismissalEntry entry : getSelectedDismissalsEntries()) {
	    if (!entry.getCurricularCourse().isOptionalCurricularCourse()) {
		result.add(entry);
	    }
	}

	return result;
    }

    public Set<SelectedDismissalEntry> getSelectedOptionalCurricularCourses() {
	final Set<SelectedDismissalEntry> result = new HashSet<SelectedDismissalEntry>();

	for (final SelectedDismissalEntry entry : getSelectedDismissalsEntries()) {
	    if (entry.getCurricularCourse().isOptionalCurricularCourse()) {
		result.add(entry);
	    }
	}

	return result;
    }

    public boolean isGradeEditable() {
	return getDismissalType() == DismissalType.CURRICULAR_COURSE_CREDITS && !getSelectedCurricularCourses().isEmpty()
		&& getSelectedEnrolmentsEntries().isEmpty();
    }

    public void clearSelectedEntries() {
	this.dismissals.clear();
	this.enrolments.clear();
    }

    public static class SelectedCurriculumEntry implements Serializable {

	private static final long serialVersionUID = 1L;

	private Double weigth = 1.;

	private Double creditsEcts;
	// It can be an Enrolment, ExternalEnrolment or even a Dismissal
	private DomainReference<DomainObject> entry;

	public SelectedCurriculumEntry(ICurriculumEntry entry) {
	    setCurriculumEntry(entry);
	}

	public Double getWeigth() {
	    return weigth;
	}

	public void setWeigth(Double weigth) {
	    this.weigth = weigth;
	}

	public Double getCreditsEcts() {
	    return creditsEcts != null ? creditsEcts : new Double(getCurriculumEntry().getEctsCreditsForCurriculum()
		    .doubleValue());
	}

	public void setCreditsEcts(Double creditsEcts) {
	    this.creditsEcts = creditsEcts;
	}

	public ICurriculumEntry getCurriculumEntry() {
	    return (this.entry != null) ? (ICurriculumEntry) this.entry.getObject() : null;
	}

	public void setCurriculumEntry(ICurriculumEntry entry) {
	    if (entry != null) {
		this.entry = new DomainReference<DomainObject>((DomainObject) entry);
	    }
	}

	@Override
	public int hashCode() {
	    return getCurriculumEntry().hashCode();
	}

	@Override
	public boolean equals(final Object obj) {
	    if (!(obj instanceof SelectedCurriculumEntry)) {
		return false;
	    }
	    return getCurriculumEntry() == ((SelectedCurriculumEntry) obj).getCurriculumEntry();
	}
    }

    public static class SelectedCompetenceCourseEntry extends SelectedCurriculumEntry {

	private static final long serialVersionUID = 1L;

	private Grade grade;
	private Double creditsEcts;
	private DomainReference<CompetenceCourse> competenceCourse;

	public SelectedCompetenceCourseEntry(CompetenceCourse competenceCourse) {
	    super(null);
	    setCompetenceCourse(competenceCourse);
	}

	public CompetenceCourse getCompetenceCourse() {
	    return (this.competenceCourse != null) ? competenceCourse.getObject() : null;
	}

	public void setCompetenceCourse(CompetenceCourse competenceCourse) {
	    if (competenceCourse != null) {
		this.competenceCourse = new DomainReference<CompetenceCourse>(competenceCourse);
	    }
	}

	public Grade getGrade() {
	    return grade;
	}

	public void setGrade(Grade grade) {
	    this.grade = grade;
	}

	@Override
	public Double getCreditsEcts() {
	    return creditsEcts != null ? creditsEcts : getCompetenceCourse().getEctsCredits();
	}

	@Override
	public void setCreditsEcts(Double creditsEcts) {
	    this.creditsEcts = creditsEcts;
	}

	@Override
	public int hashCode() {
	    return getCompetenceCourse().hashCode();
	}

	@Override
	public boolean equals(final Object obj) {
	    if (!(obj instanceof SelectedCompetenceCourseEntry)) {
		return false;
	    }
	    return getCompetenceCourse() == ((SelectedCompetenceCourseEntry) obj).getCompetenceCourse();
	}
    }

    public static class SelectedDismissalEntry implements Serializable {

	private static final long serialVersionUID = 1L;

	private Double creditsEcts;

	private Double weight = 1.0;

	private DomainReference<ExecutionPeriod> executionPeriod;

	private DomainReference<CurriculumGroup> curriculumGroup;

	private DomainReference<CurricularCourse> curricularCourse;

	private DomainReference<StudentCurricularPlan> studentCurricularPlan;

	public SelectedDismissalEntry(final StudentCurricularPlan studentCurricularPlan) {
	    setStudentCurricularPlan(studentCurricularPlan);
	}

	public SelectedDismissalEntry(CurricularCourse curricularCourse, StudentCurricularPlan scp) {
	    setCurricularCourse(curricularCourse);
	    setStudentCurricularPlan(scp);
	}

	public SelectedDismissalEntry(CurricularCourse curricularCourse, StudentCurricularPlan studentCurricularPlan,
		CurriculumGroup curriculumGroup) {
	    this(curricularCourse, studentCurricularPlan);
	    setCurriculumGroup(curriculumGroup);
	}

	public String getName() {
	    return getCurricularCourse().getName(getExecutionPeriod());
	}

	public Double getCreditsEcts() {
	    CurricularCourse dismissal = getCurricularCourse();
	    return dismissal == null || dismissal.isOptionalCurricularCourse() ? creditsEcts : dismissal.getEctsCredits();
	}

	public Double getCreditsEcts(ExecutionPeriod executionPeriod) {
	    final CurricularCourse curricularCourse = getCurricularCourse();

	    if (curricularCourse == null || curricularCourse.isOptionalCurricularCourse()) {
		return this.creditsEcts;
	    }

	    return curricularCourse.getEctsCredits(executionPeriod);

	}

	public void setCreditsEcts(Double creditsEcts) {
	    this.creditsEcts = creditsEcts;
	}

	public Double getWeight() {
	    return this.weight;

	}

	public void setWeight(Double weight) {
	    this.weight = weight;
	}

	public ExecutionPeriod getExecutionPeriod() {
	    return (this.executionPeriod != null) ? this.executionPeriod.getObject() : null;
	}

	public void setExecutionPeriod(ExecutionPeriod executionPeriod) {
	    this.executionPeriod = (executionPeriod != null) ? new DomainReference<ExecutionPeriod>(executionPeriod) : null;
	}

	public CurriculumGroup getCurriculumGroup() {
	    return curriculumGroup != null ? curriculumGroup.getObject() : null;
	}

	public void setCurriculumGroup(CurriculumGroup curriculumGroup) {
	    this.curriculumGroup = curriculumGroup != null ? new DomainReference<CurriculumGroup>(curriculumGroup) : null;
	}

	public CurricularCourse getCurricularCourse() {
	    return curricularCourse != null ? curricularCourse.getObject() : null;
	}

	public void setCurricularCourse(CurricularCourse curricularCourse) {
	    this.curricularCourse = curricularCourse != null ? new DomainReference<CurricularCourse>(curricularCourse) : null;
	}

	public boolean hasCurricularCourse() {
	    return getCurricularCourse() != null;
	}

	public StudentCurricularPlan getStudentCurricularPlan() {
	    return (this.studentCurricularPlan != null) ? this.studentCurricularPlan.getObject() : null;
	}

	public void setStudentCurricularPlan(StudentCurricularPlan studentCurricularPlan) {
	    this.studentCurricularPlan = (studentCurricularPlan != null) ? new DomainReference<StudentCurricularPlan>(
		    studentCurricularPlan) : null;
	}

	@Override
	public int hashCode() {
	    return getCurricularCourse().hashCode();
	}

	@Override
	public boolean equals(final Object obj) {
	    if (!(obj instanceof SelectedDismissalEntry)) {
		return false;
	    }
	    return getCurricularCourse() == ((SelectedDismissalEntry) obj).getCurricularCourse();
	}

    }
}