package net.sourceforge.fenixedu.applicationTier.Servico.manager;

import java.util.List;

import net.sourceforge.fenixedu.applicationTier.FenixService;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidArgumentsServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.NonExistingServiceException;
import net.sourceforge.fenixedu.domain.Degree;
import net.sourceforge.fenixedu.domain.ExecutionYear;
import net.sourceforge.fenixedu.domain.GradeScale;
import net.sourceforge.fenixedu.domain.degree.DegreeType;
import pt.ist.fenixWebFramework.security.accessControl.Checked;
import pt.ist.fenixWebFramework.services.Service;
import pt.utl.ist.fenix.tools.util.i18n.Language;

public class EditDegree extends FenixService {

    @Checked("RolePredicates.MANAGER_PREDICATE")
    @Service
    public static void run(final Integer idInternal, final String code, final String name, final String nameEn,
	    final DegreeType degreeType, final GradeScale gradeScale, ExecutionYear executionYear) throws FenixServiceException {
	if (idInternal == null || name == null || nameEn == null || code == null || degreeType == null) {
	    throw new InvalidArgumentsServiceException();
	}

	final Degree degreeToEdit = rootDomainObject.readDegreeByOID(idInternal);

	if (degreeToEdit == null) {
	    throw new NonExistingServiceException();
	} else if (!degreeToEdit.getSigla().equalsIgnoreCase(code)
		|| !degreeToEdit.getNameFor(executionYear).getContent(Language.pt).equalsIgnoreCase(name)
		|| !degreeToEdit.getDegreeType().equals(degreeType)) {

	    final List<Degree> degrees = Degree.readOldDegrees();

	    // assert unique degree code and unique pair name/type
	    for (Degree degree : degrees) {
		if (degree != degreeToEdit) {
		    if (degree.getSigla().equalsIgnoreCase(code)) {
			throw new FenixServiceException("error.existing.code");
		    }
		    if ((degree.getNameFor(executionYear).getContent(Language.pt).equalsIgnoreCase(name) || degree.getNameEn()
			    .equalsIgnoreCase(nameEn))
			    && degree.getDegreeType().equals(degreeType)) {
			throw new FenixServiceException("error.existing.name.and.type");
		    }
		}
	    }
	}
	degreeToEdit.edit(name, nameEn, code, degreeType, gradeScale, executionYear);
    }

}