/*
 * LinShare is an open source filesharing software, part of the LinPKI software
 * suite, developed by Linagora.
 * 
 * Copyright (C) 2014 LINAGORA
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version, provided you comply with the Additional Terms applicable for
 * LinShare software by Linagora pursuant to Section 7 of the GNU Affero General
 * Public License, subsections (b), (c), and (e), pursuant to which you must
 * notably (i) retain the display of the “LinShare™” trademark/logo at the top
 * of the interface window, the display of the “You are using the Open Source
 * and free version of LinShare™, powered by Linagora © 2009–2014. Contribute to
 * Linshare R&D by subscribing to an Enterprise offer!” infobox and in the
 * e-mails sent with the Program, (ii) retain all hypertext links between
 * LinShare and linshare.org, between linagora.com and Linagora, and (iii)
 * refrain from infringing Linagora intellectual property rights over its
 * trademarks and commercial brands. Other Additional Terms apply, see
 * <http://www.linagora.com/licenses/> for more details.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License and
 * its applicable Additional Terms for LinShare along with this program. If not,
 * see <http://www.gnu.org/licenses/> for the GNU Affero General Public License
 * version 3 and <http://www.linagora.com/licenses/> for the Additional Terms
 * applicable to LinShare software.
 */
package org.linagora.linshare.view.tapestry.utils;

import java.util.Locale;
import java.util.Set;

import org.linagora.linshare.core.domain.constants.AccountType;
import org.linagora.linshare.core.domain.constants.Language;
import org.linagora.linshare.core.domain.entities.WelcomeText;

/** Helpers for Welcome message processing.
 *
 */
public class WelcomeMessageUtils {

    public static WelcomeText getWelcomeText(Set<WelcomeText> welcomeTexts, Language selectedLanguage, AccountType userType) {
        for (WelcomeText welcomeText_ : welcomeTexts) {
            if (selectedLanguage.equals(welcomeText_.getLanguage())) {
                return welcomeText_;
            }
        }
        return null;
    }

    public static Language getLanguageFromLocale(Locale locale) {
        if (Locale.FRENCH.equals(locale)) {
        	return Language.FRENCH;
        }
        /* java.util.Locale doesn't support dutch */
        if (locale.getLanguage().equals("nl_NL") || locale.getLanguage().equals("nl")) {
        	return Language.DUTCH;
        }
        return Language.DEFAULT;
    }

    /**
     * Return the locale, with the following priority : persistentLocale (cookie), userLocale (user parameter),
     * browser language
     * @param persistentLocale
     * @param requestLocal
     * @param userLocale
     * @return
     */
    public static Locale getNormalisedLocale(Locale persistentLocale, Locale requestLocal, Locale userLocale) {
        if (persistentLocale == null) {
        	if (userLocale!=null) {        		
        		return normaliseLocale(userLocale);
        	} else {
        		return normaliseLocale(requestLocal);
        	}
        } else {
        	return normaliseLocale(persistentLocale);
        }
    }
    
    private static Locale normaliseLocale(Locale locale) {
    	if (Locale.FRENCH.equals(locale) || Locale.FRANCE.equals(locale)) {
            return Locale.FRENCH;
        } else if ("nl".equals(locale.getLanguage()) || "nl_NL".equals(locale.getLanguage())) {
            /* java.util.Locale doesn't support dutch */
        	return locale;
        } else {
            return Locale.ENGLISH;
        }
    }
}
