/*
 * Created on 10/Fev/2004
 *  
 */
package net.sourceforge.fenixedu.util;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;

import javax.servlet.http.HttpServletRequest;

import net.sourceforge.fenixedu.dataTransferObject.InfoDegree;
import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionDegree;
import net.sourceforge.fenixedu.domain.ExecutionDegree;
import net.sourceforge.fenixedu.domain.ExecutionYear;

import org.apache.struts.Globals;
import org.apache.struts.util.LabelValueBean;
import org.apache.struts.util.MessageResources;

import pt.utl.ist.fenix.tools.util.i18n.Language;

/**
 * @author Tânia Pousão
 * 
 */
public class ExecutionDegreesFormat extends FenixUtil {
    public static List buildExecutionDegreeLabelValueBean(List executionDegreeList, MessageResources messageResources,
	    HttpServletRequest request) {
	List executionDegreeLabels = new ArrayList();
	Iterator iterator = executionDegreeList.iterator();
	while (iterator.hasNext()) {
	    InfoExecutionDegree infoExecutionDegree = (InfoExecutionDegree) iterator.next();

	    String name = infoExecutionDegree.getInfoDegreeCurricularPlan().getInfoDegree().getNome();

	    String degreeType = null;

	    if (messageResources != null) {
		final Locale locale = Language.getLocale();
		degreeType = messageResources.getMessage(locale, infoExecutionDegree.getInfoDegreeCurricularPlan()
			.getInfoDegree().getDegreeType().name());
	    }

	    if (degreeType == null)
		degreeType = infoExecutionDegree.getInfoDegreeCurricularPlan().getInfoDegree().getDegreeType().toString();

	    name = degreeType + " em " + name;

	    name += duplicateInfoDegree(executionDegreeList, infoExecutionDegree) ? " - "
		    + infoExecutionDegree.getInfoDegreeCurricularPlan().getName() : "";

	    executionDegreeLabels.add(new LabelValueBean(name, infoExecutionDegree.getIdInternal().toString()));
	}
	return executionDegreeLabels;
    }

    public static List buildExecutionDegreeLabelValueWithNameBean(List executionDegreeList) {
	List executionDegreeLabels = new ArrayList();
	Iterator iterator = executionDegreeList.iterator();
	while (iterator.hasNext()) {
	    InfoExecutionDegree infoExecutionDegree = (InfoExecutionDegree) iterator.next();
	    String name = infoExecutionDegree.getInfoDegreeCurricularPlan().getInfoDegree().getNome();

	    name = infoExecutionDegree.getInfoDegreeCurricularPlan().getInfoDegree().getDegreeType().toString() + " em " + name;

	    name += duplicateInfoDegree(executionDegreeList, infoExecutionDegree) ? " - "
		    + infoExecutionDegree.getInfoDegreeCurricularPlan().getName() : "";

	    executionDegreeLabels.add(new LabelValueBean(name, name + "~" + infoExecutionDegree.getIdInternal().toString()));
	}
	return executionDegreeLabels;
    }

    private static boolean duplicateInfoDegree(List executionDegreeList, InfoExecutionDegree infoExecutionDegree) {
	InfoDegree infoDegree = infoExecutionDegree.getInfoDegreeCurricularPlan().getInfoDegree();
	Iterator iterator = executionDegreeList.iterator();

	while (iterator.hasNext()) {
	    InfoExecutionDegree infoExecutionDegree2 = (InfoExecutionDegree) iterator.next();
	    if (infoDegree.equals(infoExecutionDegree2.getInfoDegreeCurricularPlan().getInfoDegree())
		    && !(infoExecutionDegree.equals(infoExecutionDegree2)))
		return true;

	}
	return false;
    }

    public static List<LabelValueBean> buildLabelValueBeansForExecutionDegree(List<ExecutionDegree> executionDegrees,
	    MessageResources messageResources, HttpServletRequest request) {

	final Locale locale = (Locale) request.getAttribute(Globals.LOCALE_KEY);

	final List<LabelValueBean> result = new ArrayList<LabelValueBean>();
	for (final ExecutionDegree executionDegree : executionDegrees) {

	    final ExecutionYear executionYear = executionDegree.getExecutionYear();
	    final String degreeName = executionDegree.getDegree().getNameFor(executionYear).getContent();
	    final String degreeType = messageResources.getMessage(locale, executionDegree.getDegreeCurricularPlan().getDegree()
		    .getDegreeType().name());

	    String name = degreeType + " em " + degreeName;
	    name += (addDegreeCurricularPlanName(executionDegree, executionDegrees)) ? " - "
		    + executionDegree.getDegreeCurricularPlan().getName() : "";

	    result.add(new LabelValueBean(name, executionDegree.getIdInternal().toString()));
	}

	return result;
    }

    private static boolean addDegreeCurricularPlanName(final ExecutionDegree selectedExecutionDegree,
	    final List<ExecutionDegree> executionDegrees) {

	for (final ExecutionDegree executionDegree : executionDegrees) {
	    if (executionDegree.getDegree() == selectedExecutionDegree.getDegree() && executionDegree != selectedExecutionDegree) {
		return true;
	    }
	}
	return false;
    }
}