package net.sourceforge.fenixedu.domain.serviceRequests;

import net.sourceforge.fenixedu.dataTransferObject.serviceRequests.AcademicServiceRequestBean;
import net.sourceforge.fenixedu.domain.ExecutionYear;
import net.sourceforge.fenixedu.domain.accounting.EventType;
import net.sourceforge.fenixedu.domain.degreeStructure.CourseGroup;
import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.domain.serviceRequests.documentRequests.AcademicServiceRequestType;
import net.sourceforge.fenixedu.domain.student.Registration;
import net.sourceforge.fenixedu.domain.studentCurriculum.CurriculumGroup;

public class CourseGroupChangeRequest extends CourseGroupChangeRequest_Base {
    
    protected CourseGroupChangeRequest() {
        super();
    }
    
    public CourseGroupChangeRequest(final Registration registration, final CurriculumGroup curriculumGroup, final CourseGroup newCourseGroup, final ExecutionYear executionYear) {
	this(registration, curriculumGroup, newCourseGroup, executionYear, false, false);
    }
    
    public CourseGroupChangeRequest(final Registration registration, final CurriculumGroup curriculumGroup, final CourseGroup newCourseGroup, final ExecutionYear executionYear, final Boolean urgentRequest, final Boolean freeProcessed) {
	this();
	super.init(registration, executionYear, urgentRequest, freeProcessed);
	checkParameters(registration, curriculumGroup, newCourseGroup, executionYear);
	super.setOldCourseGroup(curriculumGroup.getDegreeModule());
	super.setNewCourseGroup(newCourseGroup);
    }
    
    private void checkParameters(final Registration registration, final CurriculumGroup curriculumGroup, final CourseGroup newCourseGroup, final ExecutionYear executionYear) {
	if (curriculumGroup == null) {
	    throw new DomainException("error.CourseGroupChangeRequest.curriculumGroup.cannot.be.null");
	}
	
	if (newCourseGroup == null) {
	    throw new DomainException("error.CourseGroupChangeRequest.newCourseGroup.cannot.be.null");
	}
	
	if (executionYear == null) {
	    throw new DomainException("error.CourseGroupChangeRequest.executionYear.cannot.be.null");
	}
	
	if (!registration.getLastStudentCurricularPlan().hasCurriculumModule(curriculumGroup)) {
	    throw new DomainException("error.CourseGroupChangeRequest.invalid.curriculumGroup");
	}
	
	if (!registration.getLastDegreeCurricularPlan().hasDegreeModule(newCourseGroup)) {
	    throw new DomainException("error.CourseGroupChangeRequest.invalid.newCourseGroup");
	}
    }

    @Override
    public void setOldCourseGroup(CourseGroup oldCourseGroup) {
        throw new DomainException("error.CourseGroupChangeRequest.cannot.modify.oldCourseGroup");
    }
    
    @Override
    public void setNewCourseGroup(CourseGroup newCourseGroup) {
	throw new DomainException("error.CourseGroupChangeRequest.cannot.modify.newCourseGroup");
    }

    @Override
    public String getDescription() {
	return getDescription(AcademicServiceRequestType.COURSE_GROUP_CHANGE_REQUEST);
    }

    @Override
    public EventType getEventType() {
	return null;
    }
    
    @Override
    public void delete() {
        super.setOldCourseGroup(null);
        super.setNewCourseGroup(null);
        super.delete();
    }

    @Override
    protected void createAcademicServiceRequestSituations(AcademicServiceRequestBean academicServiceRequestBean) {
        super.createAcademicServiceRequestSituations(academicServiceRequestBean);
        
        if (academicServiceRequestBean.isToConclude()) {
            AcademicServiceRequestSituation.create(this, new AcademicServiceRequestBean(
		    AcademicServiceRequestSituationType.DELIVERED, academicServiceRequestBean.getEmployee()));
        }
    }
}