/*
 * Copyright (C) 2008-2023, 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.service;

import com.juick.model.Tag;
import com.juick.model.User;
import com.juick.model.TagStats;
import org.apache.commons.lang3.tuple.Pair;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;

import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.stream.Stream;

/**
 * Created by aalexeev on 11/13/16.
 */
public interface TagService {
    Tag getTag(int tid);
    Tag getTag(int userId, int tid);
    Tag getTag(String tag, boolean autoCreate);
    Tag getTag(int userId, String tag, boolean autoCreate);
    List<Tag> getTags(Stream<String> tags, boolean autoCreate);
    List<Tag> getTags(int userId, Stream<String> tags, boolean autoCreate);

    int createTag(String name);

    List<TagStats> getUserTagStats(int uid);

    List<String> getUserBLTags(int uid);

    @Cacheable(value = "popular_tags")
    List<String> getPopularTags();

    List<TagStats> getTagStats();

    Set<Tag> updateTags(int mid, Collection<Tag> newTags);

    Pair<String, Set<Tag>> fromString(String txt);

    List<TagStats> getMessageTags(int mid);

    boolean blacklistTag(User user, Tag tag);
}