/*
 * Copyright (C) 2008-2021, 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;

import com.juick.model.Message;
import com.juick.www.api.SystemActivity;
import com.juick.service.UserService;
import com.juick.service.component.*;
import com.juick.util.MessageUtils;
import com.juick.util.TagUtils;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import twitter4j.Twitter;

import javax.inject.Inject;

/**
 * @author Ugnich Anton
 */
public class TwitterManager implements NotificationListener {

    private static final Logger logger = LoggerFactory.getLogger(TwitterManager.class);

    @Inject
    private UserService userService;

    @Value("${twitter_consumer_key:12345678}")
    private String twitter_consumer_key;
    @Value("${twitter_consumer_secret:secret}")
    private String twitter_consumer_secret;

    void twitterPost(final Message jmsg) {
        userService.getTwitterToken(jmsg.getUser().getUid()).ifPresent(t -> {
            String status = MessageUtils.getMessageHashTags(jmsg) + StringUtils.defaultString(jmsg.getText());
            if (status.length() > 253) {
                status = status.substring(0, 252) + "…";
            }
            status += " http://juick.com/" + jmsg.getMid();
            var twitter = Twitter.newBuilder()
                    .oAuthConsumer(twitter_consumer_key, twitter_consumer_secret)
                    .oAuthAccessToken(t.token(), t.secret()).build();
            try {
                twitter.v1().tweets().updateStatus(status);
            } catch (Exception e) {
                logger.info("Twitter exception {}: {}", jmsg.getUser().getName(), e);
            }
        });
    }

    @Override
    public void processSystemEvent(SystemEvent systemEvent) {
        var activity = systemEvent.getActivity();
        var msg = activity.getMessage();
        if (activity.getType().equals(SystemActivity.ActivityType.message)) {
            if (MessageUtils.isPM(msg) || MessageUtils.isReply(msg) || msg.isService()) {
                return;
            }
            if (StringUtils.isNotEmpty(userService.getTwitterName(msg.getUser().getUid()))) {
                if (TagUtils.hasNoTag(msg.getTags(), "notwitter")) {
                    twitterPost(msg);
                }
            }
        }
    }

    @Override
    public void processPingEvent(PingEvent pingEvent) {

    }
}