/*
 * Copyright (C) 2008-2020, Juick
 *
 * 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.
 *
 * 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
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.util;

import com.juick.model.Tag;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.lang3.StringUtils;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * Created by aalexeev on 11/13/16.
 */
public class TagUtils {
    private TagUtils() {
        throw new IllegalStateException();
    }

    public static String toString(final List<Tag> tags) {
        if (CollectionUtils.isEmpty(tags))
            return StringUtils.EMPTY;

        return tags.stream().map(t -> "*" + t.getName())
                .collect(Collectors.joining(" "));
    }
    public static boolean hasTag(final Set<Tag> tags, String name) {
        return tags.stream().anyMatch(tag -> tag.getName().equals(name));
    }
    public static boolean hasNoTag(final Set<Tag> tags, String name) {
        return tags.stream().noneMatch(tag -> tag.getName().equals(name));
    }
}