/*
 * Created on 6/Mai/2003
 * 
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package net.sourceforge.fenixedu.applicationTier.Servico.publico;

import java.util.Set;

import net.sourceforge.fenixedu.applicationTier.FenixService;
import net.sourceforge.fenixedu.applicationTier.Factory.PublicSiteComponentBuilder;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.NonExistingServiceException;
import net.sourceforge.fenixedu.dataTransferObject.ISiteComponent;
import net.sourceforge.fenixedu.dataTransferObject.SiteView;
import net.sourceforge.fenixedu.domain.DegreeCurricularPlan;
import net.sourceforge.fenixedu.domain.ExecutionDegree;
import net.sourceforge.fenixedu.domain.ExecutionSemester;
import net.sourceforge.fenixedu.domain.ExecutionYear;
import net.sourceforge.fenixedu.domain.SchoolClass;
import pt.ist.fenixWebFramework.services.Service;

/**
 * @author Joćo Mota
 * 
 * 
 */
public class ClassSiteComponentService extends FenixService {

    @Service
    public static Object run(ISiteComponent bodyComponent, String executionYearName, String executionPeriodName,
	    String degreeInitials, String nameDegreeCurricularPlan, String className, Integer curricularYear, Integer classId)
	    throws FenixServiceException {

	final ExecutionYear executionYear = ExecutionYear.readExecutionYearByName(executionYearName);

	ExecutionSemester executionSemester = ExecutionSemester.readByNameAndExecutionYear(executionPeriodName, executionYear
		.getYear());

	DegreeCurricularPlan degreeCurricularPlan = DegreeCurricularPlan.readByNameAndDegreeSigla(nameDegreeCurricularPlan,
		degreeInitials);
	ExecutionDegree executionDegree = ExecutionDegree.getByDegreeCurricularPlanAndExecutionYear(degreeCurricularPlan,
		executionYear.getYear());
	PublicSiteComponentBuilder componentBuilder = PublicSiteComponentBuilder.getInstance();
	SchoolClass domainClass;
	if (classId == null) {
	    domainClass = getDomainClass(className, curricularYear, executionSemester, executionDegree);
	    if (domainClass == null) {
		throw new NonExistingServiceException();
	    }
	} else {

	    domainClass = rootDomainObject.readSchoolClassByOID(classId);
	}
	bodyComponent = componentBuilder.getComponent(bodyComponent, domainClass);
	SiteView siteView = new SiteView(bodyComponent);

	return siteView;
    }

    private static SchoolClass getDomainClass(String className, Integer curricularYear, ExecutionSemester executionSemester,
	    ExecutionDegree executionDegree) {

	SchoolClass domainClass = null;
	if (curricularYear == null) {
	    domainClass = executionDegree.findSchoolClassesByExecutionPeriodAndName(executionSemester, className);
	} else {
	    if (className == null && curricularYear == null) {
		Set<SchoolClass> domainList = executionDegree.findSchoolClassesByExecutionPeriod(executionSemester);
		if (domainList.size() != 0) {
		    domainClass = (SchoolClass) domainList.iterator().next();
		}
	    }
	}
	return domainClass;
    }
}