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

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

import net.sourceforge.fenixedu.applicationTier.FenixService;
import net.sourceforge.fenixedu.applicationTier.Factory.TeacherAdministrationSiteComponentBuilder;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.dataTransferObject.ISiteComponent;
import net.sourceforge.fenixedu.dataTransferObject.InfoExam;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteCommon;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteTeacherStudentsEnrolledList;
import net.sourceforge.fenixedu.dataTransferObject.InfoStudent;
import net.sourceforge.fenixedu.dataTransferObject.InfoWrittenEvaluationEnrolment;
import net.sourceforge.fenixedu.dataTransferObject.InfoWrittenEvaluationEnrolmentWithInfoStudentAndInfoRoom;
import net.sourceforge.fenixedu.dataTransferObject.InfoWrittenTest;
import net.sourceforge.fenixedu.dataTransferObject.SiteView;
import net.sourceforge.fenixedu.dataTransferObject.TeacherAdministrationSiteView;
import net.sourceforge.fenixedu.domain.Exam;
import net.sourceforge.fenixedu.domain.ExecutionCourse;
import net.sourceforge.fenixedu.domain.ExecutionCourseSite;
import net.sourceforge.fenixedu.domain.WrittenEvaluation;
import net.sourceforge.fenixedu.domain.WrittenEvaluationEnrolment;
import net.sourceforge.fenixedu.domain.WrittenTest;

public class ReadStudentsEnrolledInWrittenEvaluation extends FenixService {

    public SiteView run(Integer executionCourseID, Integer writtenEvaluationID) throws FenixServiceException {

	final WrittenEvaluation writtenEvaluation = (WrittenEvaluation) rootDomainObject.readEvaluationByOID(writtenEvaluationID);
	if (writtenEvaluation == null) {
	    throw new FenixServiceException("error.noWrittenEvaluation");
	}

	final ExecutionCourse executionCourse = rootDomainObject.readExecutionCourseByOID(executionCourseID);
	final ExecutionCourseSite site = executionCourse.getSite();
	if (site == null) {
	    throw new FenixServiceException("error.noSite");
	}

	final List<WrittenEvaluationEnrolment> writtenEvaluationEnrolmentList = writtenEvaluation
		.getWrittenEvaluationEnrolments();

	final List<InfoStudent> infoStudents = new ArrayList<InfoStudent>(writtenEvaluationEnrolmentList.size());
	final List<InfoWrittenEvaluationEnrolment> infoWrittenEvaluationEnrolments = new ArrayList<InfoWrittenEvaluationEnrolment>(
		writtenEvaluationEnrolmentList.size());

	for (final WrittenEvaluationEnrolment writtenEvaluationEnrolment : writtenEvaluationEnrolmentList) {
	    infoStudents.add(InfoStudent.newInfoFromDomain(writtenEvaluationEnrolment.getStudent()));
	    infoWrittenEvaluationEnrolments.add(InfoWrittenEvaluationEnrolmentWithInfoStudentAndInfoRoom
		    .newInfoFromDomain(writtenEvaluationEnrolment));
	}

	ISiteComponent component = null;
	if (writtenEvaluation instanceof Exam) {
	    final InfoExam infoExam = InfoExam.newInfoFromDomain((Exam) writtenEvaluation);
	    component = new InfoSiteTeacherStudentsEnrolledList(infoStudents, infoExam, infoWrittenEvaluationEnrolments);
	} else if (writtenEvaluation instanceof WrittenTest) {
	    final InfoWrittenTest infoWrittenTest = InfoWrittenTest.newInfoFromDomain((WrittenTest) writtenEvaluation);
	    component = new InfoSiteTeacherStudentsEnrolledList(infoStudents, infoWrittenTest, infoWrittenEvaluationEnrolments);
	} else {
	    throw new FenixServiceException("error.noWrittenEvaluation");
	}

	final TeacherAdministrationSiteComponentBuilder componentBuilder = TeacherAdministrationSiteComponentBuilder
		.getInstance();
	final ISiteComponent commonComponent = componentBuilder.getComponent(new InfoSiteCommon(), site, null, null, null);
	final TeacherAdministrationSiteView siteView = new TeacherAdministrationSiteView(commonComponent, component);

	return siteView;
    }
}