/*
 * Created on 29/Jul/2003
 */
package net.sourceforge.fenixedu.domain.onlineTests;

import java.util.Comparator;
import java.util.List;

import net.sourceforge.fenixedu.domain.RootDomainObject;
import net.sourceforge.fenixedu.util.tests.CorrectionFormula;

import org.apache.commons.beanutils.BeanComparator;

/**
 * @author Susana Fernandes
 */
public class TestQuestion extends TestQuestion_Base {
    public static final Comparator<TestQuestion> COMPARATOR_BY_TEST_QUESTION_ORDER = new BeanComparator("testQuestionOrder");

    public TestQuestion() {
	super();
	setRootDomainObject(RootDomainObject.getInstance());
    }

    public void editTestQuestion(Integer newTestQuestionOrder, final Double newTestQuestionValue,
	    final CorrectionFormula newFormula) {
	organizeTestQuestionsOrder(newTestQuestionOrder, this.getTestQuestionOrder());
	this.setTestQuestionOrder(newTestQuestionOrder);
	this.setTestQuestionValue(newTestQuestionValue);
	this.setCorrectionFormula(newFormula);
    }

    private void organizeTestQuestionsOrder(Integer newOrder, Integer oldOrder) {
	List<TestQuestion> testQuestions = getTest().getTestQuestions();
	int diffOrder = newOrder.intValue() - oldOrder.intValue();
	if (diffOrder != 0) {
	    if (diffOrder > 0) {
		for (TestQuestion testQuestion : testQuestions) {
		    if (testQuestion.getTestQuestionOrder().compareTo(newOrder) <= 0
			    && testQuestion.getTestQuestionOrder().compareTo(oldOrder) > 0) {
			testQuestion.setTestQuestionOrder(testQuestion.getTestQuestionOrder() - 1);
		    }
		}
	    } else {
		for (TestQuestion testQuestion : testQuestions) {
		    if (testQuestion.getTestQuestionOrder().compareTo(newOrder) >= 0
			    && testQuestion.getTestQuestionOrder().compareTo(oldOrder) < 0) {
			testQuestion.setTestQuestionOrder(testQuestion.getTestQuestionOrder() + 1);
		    }
		}
	    }
	}
    }

    public void delete() {
	removeQuestion();
	removeTest();
	removeRootDomainObject();
	deleteDomainObject();
    }

}