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

import java.util.ArrayList;
import java.util.List;

import net.sourceforge.fenixedu.applicationTier.FenixService;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.domain.ExecutionCourse;
import net.sourceforge.fenixedu.domain.Professorship;
import net.sourceforge.fenixedu.domain.Teacher;

public class SaveTeachersBody extends FenixService {

    public Boolean run(final List responsibleTeachersIds, final List<Integer> professorShipTeachersIds,
	    final Integer executionCourseId) throws FenixServiceException {

	final ExecutionCourse executionCourse = rootDomainObject.readExecutionCourseByOID(executionCourseId);

	final List<Integer> auxProfessorshipTeacherIDs = new ArrayList<Integer>(professorShipTeachersIds);

	final List<Professorship> professorships = executionCourse.getProfessorships();
	for (int i = 0; i < professorships.size(); i++) {
	    final Professorship professorship = professorships.get(i);
	    final Teacher teacher = professorship.getTeacher();
	    final Integer teacherID = teacher.getIdInternal();
	    if (auxProfessorshipTeacherIDs.contains(teacherID)) {
		if (responsibleTeachersIds.contains(teacherID) && !professorship.getResponsibleFor()) {
		    professorship.setResponsibleFor(Boolean.TRUE);
		} else if (!responsibleTeachersIds.contains(teacherID) && professorship.getResponsibleFor()) {
		    professorship.setResponsibleFor(Boolean.FALSE);
		}
		auxProfessorshipTeacherIDs.remove(teacherID);
	    } else {
		professorship.delete();
		i--;
	    }
	}

	for (final Integer teacherID : auxProfessorshipTeacherIDs) {
	    final Teacher teacher = rootDomainObject.readTeacherByOID(teacherID);
	    final Boolean isResponsible = Boolean.valueOf(responsibleTeachersIds.contains(teacherID));
	    Professorship.create(isResponsible, executionCourse, teacher, null);
	}

	return Boolean.TRUE;
    }

}