package pt.utl.ist.fenix.tools.util.i18n;

import java.util.Locale;

public enum Language {

    pt,
    en,
    es,
    de,
    fr,
    it,
    ar,
    bg,
    cs,
    da,
    el,
    eo,
    et,
    fi,
    hr,
    hu,
    id,
    is,
    ja,
    ko,
    lt,
    lv,
    nl,
    no,
    pl,
    ro,
    ru,
    sk,
    sl,
    sr,
    sv,
    th,
    tr,
    uk,
    zh;


    private static Locale defaultLocale = null;

    public static Locale getDefaultLocale() {
	return defaultLocale;
    }

    public static void setDefaultLocale(final Locale locale) {
	defaultLocale = locale;
    }

    public static Language getDefaultLanguage() {
	final Locale defaultLocale = getDefaultLocale();
	return defaultLocale == null ? null : valueOf(defaultLocale.getLanguage());
    }


    private static InheritableThreadLocal<Locale> localeLocalThreadVariable = new InheritableThreadLocal<Locale>();

    public static Locale getLocale(){
        return localeLocalThreadVariable.get();
    }

    public static void setLocale(final Locale locale){
	localeLocalThreadVariable.set(locale);
    }
    
    public static Language getUserLanguage() {
        final Locale locale = getLocale();
        return locale != null ? valueOf(locale.getLanguage()) : null;
    }

    public static Language getLanguage(){
	final Language userLanguage = getUserLanguage();
        return userLanguage == null ? getDefaultLanguage() : userLanguage;
    }

}