package net.sourceforge.fenixedu.domain.candidacy;

import java.io.Serializable;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.ResourceBundle;
import java.util.Set;

import org.apache.commons.lang.StringUtils;

import net.sourceforge.fenixedu.util.LanguageUtils;
import pt.ist.fenixWebFramework.rendererExtensions.util.IPresentableEnum;
import pt.ist.fenixWebFramework.renderers.DataProvider;
import pt.ist.fenixWebFramework.renderers.components.converters.Converter;

public class QualificationsBag implements Serializable {

    public static class SupportedQualificationsProvider implements DataProvider {

	public Object provide(Object source, Object currentValue) {
	    return Arrays.asList(SupportedQualification.values());
	}

	public Converter getConverter() {
	    return null;
	}

    }

    public static enum SupportedQualification implements IPresentableEnum {
	FINISHING_DEGREE, DEGREE, POST_GRADUATION, PHD, MASTER_DEGREE, TECHNICAL_SPECIALIZATION_COURSE, OTHER;

	public String getLocalizedName() {
	    return ResourceBundle.getBundle("resources.CandidateResources", LanguageUtils.getLocale()).getString(
		    "label.SupportedQualifications." + name());
	}
    }

    private Set<SupportedQualification> qualifications;

    public Set<SupportedQualification> getSupportedQualifications() {
	return this.qualifications;
    }

    public QualificationsBag(List<SupportedQualification> qualifications) {
	this.qualifications = new HashSet<QualificationsBag.SupportedQualification>();
	for (SupportedQualification qualification : qualifications) {
	    this.qualifications.add(qualification);
	}
    }

    public QualificationsBag(String internalizeString) {
	this.qualifications = new HashSet<QualificationsBag.SupportedQualification>();
	if (!StringUtils.isEmpty(internalizeString)) {
	    String[] values = internalizeString.split("\\.");
	    for (String value : values) {
		this.qualifications.add(SupportedQualification.valueOf(value));
	    }
	}
    }

    public String externalize() {
	StringBuilder builder = new StringBuilder();
	for (SupportedQualification qualification : qualifications) {
	    if (builder.length() > 0) {
		builder.append(".");
	    }
	    builder.append(qualification.name());
	}
	return builder.toString();
    }

    public boolean hasQualification(SupportedQualification qualification) {
	return qualifications.contains(qualification);
    }
}