/*
 * Juick
 * Copyright (C) 2008-2011, Ugnich Anton
 *
 * 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.server;

import com.juick.Message;
import com.juick.User;
import com.juick.server.helpers.PrivacyOpts;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.dao.IncorrectResultSizeDataAccessException;
import org.springframework.jdbc.core.ConnectionCallback;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.support.GeneratedKeyHolder;
import org.springframework.jdbc.support.KeyHolder;
import org.springframework.util.StringUtils;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.logging.Logger;

/**
 *
 * @author Ugnich Anton
 */
public class MessagesQueries {

    private static final Logger LOGGER = Logger.getLogger(MessagesQueries.class.getName());

    public static int createMessage(JdbcTemplate sql, int uid, String txt, String attachment, List<com.juick.Tag> tags) {
        KeyHolder holder = new GeneratedKeyHolder();
        sql.update(con -> {
            PreparedStatement stmt = con.prepareStatement("INSERT INTO messages(user_id,attach) VALUES (?,?)",
                    Statement.RETURN_GENERATED_KEYS);
            stmt.setInt(1, uid);
            if (attachment != null) {
                stmt.setString(2, attachment);
            } else {
                stmt.setNull(2, Types.VARCHAR);
            }
            return stmt;
        }, holder);

        int mid = holder.getKey().intValue();


        if (mid > 0) {

            String tagsNames = "";
            String tagsIDs = "";

            for (int i = 0; i < tags.size(); i++) {
                if (i > 0) {
                    tagsNames += " ";
                    tagsIDs += ",";
                }
                tagsNames += tags.get(i).Name;
                tagsIDs += "(" + mid + "," + tags.get(i).TID + ")";
            }
            if (tags.size() > 0) {
                sql.execute("INSERT INTO messages_tags(message_id,tag_id) VALUES " + tagsIDs);
            }
            final String finalTagsNames = tagsNames;
            sql.update(con -> {
                PreparedStatement stmt = con.prepareStatement("INSERT INTO messages_txt(message_id,tags,txt) " +
                        "VALUES (?,?,?)", Statement.NO_GENERATED_KEYS);
                stmt.setInt(1, mid);
                if (finalTagsNames.isEmpty()) {
                    stmt.setNull(2, Types.VARCHAR);
                } else {
                    stmt.setString(2, finalTagsNames);
                }
                stmt.setString(3, txt);
                return stmt;
            });
        }

        return mid;
    }

    public static int createReply(JdbcTemplate sql, int mid, int rid, int uid, String txt, String attachment) {
        int ridnew = getReplyIDIncrement(sql, mid);

        sql.update( con -> {
            PreparedStatement stmt = con.prepareStatement("INSERT INTO replies(message_id,reply_id,user_id," +
                    "replyto,attach,txt) VALUES (?,?,?,?,?,?)", Statement.NO_GENERATED_KEYS);
            stmt.setInt(1, mid);
            stmt.setInt(2, ridnew);
            stmt.setInt(3, uid);
            stmt.setInt(4, rid);
            if (attachment != null) {
                stmt.setString(5, attachment);
            } else {
                stmt.setNull(5, Types.VARCHAR);
            }
            stmt.setString(6, txt);
            return stmt;
        });

        if (ridnew > 0) {
            sql.update("UPDATE messages SET replies=replies+1 WHERE message_id=?", mid);
        }

        return ridnew;
    }

    public static int getReplyIDIncrement(JdbcTemplate sql, int mid) {
        return sql.execute((ConnectionCallback<Integer>) conn -> {
            conn.setAutoCommit(false);
            try (PreparedStatement ps = conn.prepareStatement("UPDATE messages SET maxreplyid=maxreplyid+1 WHERE message_id=?")) {
                ps.setInt(1, mid);
                if (ps.executeUpdate() != 1) {
                    throw new IncorrectResultSizeDataAccessException("Cannot find a message to update: " + mid, 1, 0);
                }
            }
            try (PreparedStatement ps = conn.prepareStatement("SELECT maxreplyid FROM messages WHERE message_id=?")) {
                ps.setInt(1, mid);
                try (ResultSet resultSet = ps.executeQuery()) {
                    if (resultSet.next()) {
                        int rv = resultSet.getInt(1);
                        conn.commit();
                        return rv;
                    } else {
                        throw new IncorrectResultSizeDataAccessException("while getting getReplyIDIncrement, mid=" + mid, 1, 0);
                    }
                }
            }
        });

    }

    public static boolean recommendMessage(JdbcTemplate sql, int mid, int vuid) {
        boolean res = sql.update("INSERT IGNORE INTO favorites(user_id,message_id) VALUES (" + vuid + "," + mid + ")") == 1;
        if (res) {
            sql.update("UPDATE messages SET likes=likes+1 WHERE message_id=?", mid);
        }
        return res;
    }

    public static boolean canViewThread(JdbcTemplate sql, int mid, int uid) {
        PrivacyOpts privacyOpts;
        try {
            privacyOpts = sql.queryForObject("SELECT user_id,privacy FROM messages WHERE messages.message_id=?",
                    (rs, rowNum) -> {
                        PrivacyOpts res = new PrivacyOpts();
                        res.setUid(rs.getInt(1));
                        res.setPrivacy(rs.getInt(2));
                        return res;
                    }, mid);
        } catch (EmptyResultDataAccessException e) {
            return true;
        }
        return privacyOpts.getPrivacy() >= 0
                || uid == privacyOpts.getUid()
                || ((privacyOpts.getPrivacy() == -1 || privacyOpts.getPrivacy() == -2) && uid > 0
                && UserQueries.isInWL(sql, privacyOpts.getUid(), uid));
    }

    public static boolean isReadOnly(JdbcTemplate sql, int mid) {
        try {
            return sql.queryForObject("SELECT readonly FROM messages WHERE message_id=?", new Object[]{mid}, Integer.class) == 1;
        } catch (EmptyResultDataAccessException e) {
            return false;
        }
    }

    public static boolean isSubscribed(JdbcTemplate sql, int uid, int mid) {
        try {
            return sql.queryForObject("SELECT 1 FROM subscr_messages WHERE suser_id=? AND message_id=?", new Object[]{uid, mid}, Integer.class) == 1;
        } catch (EmptyResultDataAccessException e) {
            return false;
        }
    }

    public static int getMessagePrivacy(JdbcTemplate sql, int mid) {
        try {
            return sql.queryForObject("SELECT privacy FROM messages WHERE message_id=?", new Object[]{mid}, Integer.class);
        } catch (EmptyResultDataAccessException e) {
            return -4;
        }
    }


    public static com.juick.Message getMessage(JdbcTemplate sql, int mid) {
        try {
            return sql.queryForObject("SELECT messages.user_id,users.nick,"
                            + "TIMESTAMPDIFF(MINUTE,messages.ts,NOW()),"
                            + "messages.ts,"
                            + "messages.readonly,messages.privacy,messages.replies,"
                            + "messages.attach,messages.place_id,messages.lat,"
                            + "messages.lon,messages.likes,messages.hidden,"
                            + "txt.tags,txt.repliesby,txt.txt FROM messages "
                            + "INNER JOIN users ON messages.user_id=users.id "
                            + "INNER JOIN messages_txt AS txt "
                            + "ON messages.message_id=txt.message_id "
                            + "WHERE messages.message_id=?", new Object[]{mid},
                    (rs, rowNum) -> {
                        Message msg = new Message();
                        msg.setMID(mid);
                        msg.setUser(new User());
                        msg.getUser().setUID(rs.getInt(1));
                        msg.getUser().setUName(rs.getString(2));
                        msg.TimeAgo = rs.getInt(3);
                        msg.setDate(rs.getTimestamp(4));
                        msg.ReadOnly = rs.getBoolean(5);
                        msg.Privacy = rs.getInt(6);
                        msg.FriendsOnly = msg.Privacy < 0;
                        msg.Replies = rs.getInt(7);
                        msg.AttachmentType = rs.getString(8);
                        //if (rs.getInt(9) > 0) {
                        //    msg.Place = PlacesQueries.getPlace(sql, rs.getInt(9));
                        //}
                        if (rs.getDouble(10) != 0) {
                            msg.Place = new com.juick.Place();
                            msg.Place.lat = rs.getDouble(10);
                            msg.Place.lon = rs.getDouble(11);
                        }
                        msg.Likes = rs.getInt(12);
                        msg.Hidden = rs.getBoolean(13);
                        msg.parseTags(rs.getString(14));
                        msg.RepliesBy = rs.getString(15);
                        msg.setText(rs.getString(16));
                        return msg;
                    });
        } catch (EmptyResultDataAccessException e) {
            return null;
        }
    }

    public static com.juick.Message getReply(JdbcTemplate sql, int mid, int rid) {
        try {
            return sql.queryForObject("SELECT replies.user_id,users.nick,"
                            + "replies.replyto,replies.ts,"
                            + "replies.attach,replies.txt FROM replies INNER JOIN users "
                            + "ON replies.user_id=users.id "
                            + "WHERE replies.message_id=? AND replies.reply_id=?",
                    new Object[]{mid, rid}, (rs, num) -> {
                        Message msg = new Message();
                        msg.setMID(mid);
                        msg.setRID(rid);
                        msg.setUser(new User());
                        msg.getUser().setUID(rs.getInt(1));
                        msg.getUser().setUName(rs.getString(2));
                        msg.ReplyTo = rs.getInt(3);
                        msg.setDate(rs.getTimestamp(4));
                        msg.AttachmentType = rs.getString(5);
                        msg.setText(rs.getString(6));
                        return msg;
                    });
        } catch (EmptyResultDataAccessException e) {
            return null;
        }
    }

    public static User getMessageAuthor(JdbcTemplate sql, int mid) {
        try {
            return sql.queryForObject("SELECT messages.user_id,users.nick "
                            + "FROM messages INNER JOIN users "
                            + "ON messages.user_id=users.id WHERE messages.message_id=?",
                    new Object[]{mid}, (rs, num) -> {
                        User res = new com.juick.User();
                        res.setUID(rs.getInt(1));
                        res.setUName(rs.getString(2));
                        return res;
                    });
        } catch (EmptyResultDataAccessException e) {
            return null;
        }
    }

    public static List<com.juick.Tag> getMessageTags(JdbcTemplate sql, int mid) {
        return sql.query("SELECT tags.tag_id,synonym_id,name,stat_messages FROM tags " +
                        "INNER JOIN messages_tags ON (messages_tags.message_id=? AND messages_tags.tag_id=tags.tag_id)",
                new Object[]{mid}, (rs, num) -> {
                    com.juick.Tag t = new com.juick.Tag();
                    t.TID = rs.getInt(1);
                    t.SynonymID = rs.getInt(2);
                    t.Name = rs.getString(3);
                    t.UsageCnt = rs.getInt(4);
                    return t;
                });
    }

    public static List<Integer> getMessageTagsIDs(JdbcTemplate sql, int mid) {
        return sql.queryForList("SELECT tag_id FROM messages_tags WHERE message_id=?", new Object[] {mid}, Integer.class);
    }

    public static List<String> getMessageRecommendations(JdbcTemplate sql, int mid) {
        return sql.queryForList("SELECT users.nick FROM favorites INNER JOIN users " +
                "ON (favorites.message_id=? AND favorites.user_id=users.id)",
                new Object[] {mid}, String.class);
    }

    public static List<Integer> getAll(JdbcTemplate sql, int visitor_uid, int before) {
        if (visitor_uid > 1) {
            if (before > 0) {
                return sql.queryForList("SELECT message_id FROM messages WHERE message_id<? AND hidden=0" +
                                " AND (privacy>0 OR user_id=?) AND user_id NOT IN (SELECT bl_user_id FROM bl_users WHERE user_id=?)" +
                                " AND user_id NOT IN (SELECT id from users WHERE banned=1) ORDER BY message_id DESC LIMIT 20",
                        new Object[]{before, visitor_uid, visitor_uid}, Integer.class);
            } else {
                return sql.queryForList("SELECT message_id FROM messages WHERE hidden=0" +
                                " AND (privacy>0 OR user_id=?)" +
                                " AND user_id NOT IN (SELECT bl_user_id FROM bl_users WHERE user_id=?)" +
                                " AND user_id NOT IN (SELECT id from users WHERE banned=1) ORDER BY message_id DESC LIMIT 20",
                        new Object[]{visitor_uid, visitor_uid}, Integer.class);
            }
        } else {
            if (before > 0) {
                return sql.queryForList("SELECT message_id FROM messages WHERE message_id<?" +
                                " AND hidden=0 AND privacy>0 AND user_id NOT IN (SELECT id from users WHERE banned=1) " +
                                " ORDER BY message_id DESC LIMIT 20",
                        new Object[]{before}, Integer.class);
            } else {
                return sql.queryForList("SELECT message_id FROM messages WHERE hidden=0 AND privacy>0" +
                                " AND user_id NOT IN (SELECT id from users WHERE banned=1) ORDER BY message_id DESC LIMIT 20",
                        Integer.class);
            }
        }
    }

    public static List<Integer> getTag(JdbcTemplate sql, int tid, int visitor_uid, int before, int cnt) {
        if (before > 0) {
            return sql.queryForList("SELECT message_id FROM (tags INNER JOIN messages_tags " +
                            "ON ((tags.synonym_id=? OR tags.tag_id=?) AND tags.tag_id=messages_tags.tag_id)) " +
                            "INNER JOIN messages USING(message_id) WHERE messages.message_id<? " +
                            "AND (messages.privacy>0 OR messages.user_id=?) ORDER BY message_id DESC LIMIT ?",
                    new Object[]{tid, tid, before, visitor_uid, cnt}, Integer.class);
        } else {
            return sql.queryForList("SELECT message_id FROM (tags INNER JOIN messages_tags " +
                            "ON ((tags.synonym_id=? OR tags.tag_id=?) AND tags.tag_id=messages_tags.tag_id)) " +
                            "INNER JOIN messages USING(message_id) WHERE messages.privacy>0 OR messages.user_id=? " +
                            "ORDER BY message_id DESC LIMIT ?",
                    new Object[]{tid, tid, visitor_uid, cnt}, Integer.class);
        }
    }

    public static List<Integer> getTags(JdbcTemplate sql, String tids, int visitor_uid, int before, int cnt) {
        if (before > 0) {
            return sql.queryForList("SELECT messages.message_id FROM messages_tags " +
                    "INNER JOIN messages USING(message_id) WHERE messages_tags.tag_id IN (" + tids + ") " +
                    "AND messages.message_id<? AND (messages.privacy>0 OR messages.user_id=?) " +
                    "ORDER BY messages.message_id DESC LIMIT ?", new Object[]{before, visitor_uid, cnt}, Integer.class);
        } else {
            return sql.queryForList("SELECT messages.message_id FROM messages_tags " +
                    "INNER JOIN messages USING(message_id) WHERE messages_tags.tag_id IN (" + tids + ") " +
                    "AND (messages.privacy>0 OR messages.user_id=?) " +
                    "ORDER BY messages.message_id DESC LIMIT ?", new Object[]{visitor_uid, cnt}, Integer.class);
        }
    }

    public static List<Integer> getPlace(JdbcTemplate sql, int place_id, int visitor_uid, int before) {
        if (before > 0) {
            return sql.queryForList("SELECT message_id FROM messages WHERE place_id=? AND message_id<? " +
                            "AND (privacy>0 OR user_id=?) ORDER BY message_id DESC LIMIT 20",
                    new Object[]{place_id, before, visitor_uid}, Integer.class);
        } else {
            return sql.queryForList("SELECT message_id FROM messages WHERE place_id=? AND (privacy>0 OR user_id=?) " +
                    "ORDER BY message_id DESC LIMIT 20", new Object[]{place_id, visitor_uid}, Integer.class);
        }
    }

    public static List<Integer> getMyFeed(JdbcTemplate sql, int uid, int before) {
        List<Integer> mids;
        if (before > 0) {
            mids = sql.queryForList("SELECT message_id FROM messages " +
                            "INNER JOIN subscr_users ON (subscr_users.suser_id=? AND subscr_users.user_id=messages.user_id) " +
                            "WHERE message_id<? AND (privacy>=0 OR (privacy>=-2 AND privacy<=-1 AND messages.user_id " +
                            "IN (SELECT user_id FROM wl_users WHERE wl_user_id=?))) ORDER BY message_id DESC LIMIT 20",
                    Integer.class, uid, before, uid);
        } else {
            mids = sql.queryForList("SELECT message_id FROM messages " +
                            "INNER JOIN subscr_users ON (subscr_users.suser_id=? " +
                            "AND subscr_users.user_id=messages.user_id) " +
                            "WHERE (privacy>=0 OR (privacy>=-2 AND privacy<=-1 AND messages.user_id " +
                            "IN (SELECT user_id FROM wl_users WHERE wl_user_id=?))) ORDER BY message_id DESC LIMIT 20",
                    Integer.class, uid, uid);
        }


        if (before > 0) {
            mids.addAll(sql.queryForList("SELECT message_id FROM messages " +
                            "WHERE user_id=? AND message_id<? ORDER BY message_id DESC LIMIT 20", Integer.class,
                    uid, before));
        } else {
            mids.addAll(sql.queryForList("SELECT message_id FROM messages " +
                            "WHERE user_id=? ORDER BY message_id DESC LIMIT 20", Integer.class, uid));
        }

        Collections.sort(mids, Collections.reverseOrder());
        int remove = mids.size() - 20;
        for (int i = 0; i < remove; i++) {
            mids.remove(20);
        }

        return mids;
    }

    public static List<Integer> getPrivate(JdbcTemplate sql, int uid, int before) {

        if (before > 0) {
            return sql.queryForList("SELECT message_id FROM messages WHERE user_id=? AND privacy<0 AND message_id<? " +
                    "ORDER BY message_id DESC LIMIT 20", new Object[]{uid, before}, Integer.class);
        } else {
            return sql.queryForList("SELECT message_id FROM messages WHERE user_id=? AND privacy<0 " +
                    "ORDER BY message_id DESC LIMIT 20", new Object[]{uid}, Integer.class);
        }
    }

    public static List<Integer> getDiscussions(JdbcTemplate sql, int uid, int before) {
        if (before > 0) {
            return sql.queryForList("SELECT message_id FROM subscr_messages WHERE suser_id=? AND message_id<? " +
                    "ORDER BY message_id DESC LIMIT 20", Integer.class, uid, before);
        } else {
            return sql.queryForList("SELECT message_id FROM subscr_messages WHERE suser_id=? " +
                    "ORDER BY message_id DESC LIMIT 20", Integer.class, uid);
        }
    }

    public static List<Integer> getRecommended(JdbcTemplate sql, int uid, int before) {
        if (before > 0) {
            return sql.queryForList("SELECT message_id FROM favorites WHERE user_id " +
                    "IN (SELECT user_id FROM subscr_users WHERE suser_id=?) AND message_id<? " +
                    "ORDER BY message_id DESC LIMIT 20", Integer.class, uid, before);
        } else {
            return sql.queryForList("SELECT message_id FROM favorites WHERE user_id " +
                    "IN (SELECT user_id FROM subscr_users WHERE suser_id=?) " +
                    "ORDER BY message_id DESC LIMIT 20", Integer.class, uid);
        }
    }

    public static List<Integer> getPopular(JdbcTemplate sql, int visitor_uid, int before) {

            if (before > 0) {
                return sql.queryForList("SELECT message_id FROM messages WHERE message_id<? AND privacy>0 " +
                        "AND popular>0 AND user_id NOT IN (SELECT bl_user_id FROM bl_users WHERE user_id=?) " +
                        "ORDER BY message_id DESC LIMIT 20", Integer.class, before, visitor_uid);
            } else {
                return sql.queryForList("SELECT message_id FROM messages WHERE privacy>0 " +
                        "AND popular>0 AND user_id NOT IN (SELECT bl_user_id FROM bl_users WHERE user_id=?) " +
                        "ORDER BY message_id DESC LIMIT 20", Integer.class, visitor_uid);
            }
    }

    public static List<Integer> getPhotos(JdbcTemplate sql, int visitor_uid, int before) {
        if (before > 0) {
            return sql.queryForList("SELECT message_id FROM messages WHERE message_id<? AND (privacy>0 OR user_id=?) " +
                    "AND attach IS NOT NULL AND user_id NOT IN (SELECT id from users WHERE banned=1) " +
                    "AND user_id NOT IN (SELECT bl_user_id FROM bl_users WHERE user_id=?) " +
                    "ORDER BY message_id DESC LIMIT 20", Integer.class, before, visitor_uid, visitor_uid);
        } else {
            return sql.queryForList("SELECT message_id FROM messages WHERE (privacy>0 OR user_id=?) " +
                    "AND attach IS NOT NULL AND user_id NOT IN (SELECT id from users WHERE banned=1) " +
                    "AND user_id NOT IN (SELECT bl_user_id FROM bl_users WHERE user_id=?) " +
                    "ORDER BY message_id DESC LIMIT 20", Integer.class, visitor_uid, visitor_uid);
        }
    }

    public static List<Integer> getSearch(JdbcTemplate sql, JdbcTemplate sqlSearch, String search, int before) {
        List<Integer> mids;

        if (before > 0) {
            mids = sqlSearch.queryForList("SELECT id AS message_id FROM messages WHERE MATCH(?) AND id<? " +
                    "ORDER BY id DESC LIMIT 25", new Object[]{search, before}, Integer.class);
        } else {
            mids = sqlSearch.queryForList("SELECT id AS message_id FROM messages WHERE MATCH(?) " +
                    "ORDER BY id DESC LIMIT 25", new Object[]{search}, Integer.class);
        }
        if (mids.size() > 0) {
            return sql.queryForList("SELECT message_id FROM messages WHERE message_id " +
                    "IN (" + StringUtils.arrayToCommaDelimitedString(mids.toArray()) + ") AND privacy>0 ORDER BY message_id DESC LIMIT 20",
                    Integer.class);
        }
        return mids;
    }

    public static List<Integer> getUserBlog(JdbcTemplate sql, int UID, int privacy, int before) {
        if (before > 0) {
            return sql.queryForList("SELECT message_id FROM messages WHERE user_id=? AND message_id<? AND privacy>=" +
                    privacy + " ORDER BY message_id DESC LIMIT 20", new Object[]{UID, before}, Integer.class);
        } else {
            return sql.queryForList("SELECT message_id FROM messages WHERE user_id=? AND privacy>=" + privacy +
                    " ORDER BY message_id DESC LIMIT 20", new Object[]{UID}, Integer.class);
        }
    }

    public static List<Integer> getUserTag(JdbcTemplate sql, int UID, int TID, int privacy, int before) {
        if (before > 0) {
            return sql.queryForList("SELECT messages.message_id FROM messages_tags INNER JOIN messages " +
                    "USING(message_id) WHERE messages.user_id=? AND messages_tags.tag_id=? " +
                    "AND messages.message_id<? AND messages.privacy>=" + privacy +
                    " ORDER BY messages.message_id DESC LIMIT 20",
                    new Object[] {UID, TID, before}, Integer.class);
        } else {
            return sql.queryForList("SELECT messages.message_id FROM messages_tags INNER JOIN messages " +
                    "USING(message_id) WHERE messages.user_id=? AND messages_tags.tag_id=? " +
                    "AND messages.privacy>=" + privacy + " ORDER BY messages.message_id DESC LIMIT 20",
                    new Object[]{UID, TID}, Integer.class);
        }
    }

    public static List<Integer> getUserRecommendations(JdbcTemplate sql, int UID, int before) {
        if (before > 0) {
            return sql.queryForList("SELECT message_id FROM favorites "
                    + "WHERE user_id=? AND message_id<? "
                    + "ORDER BY message_id DESC LIMIT 20", Integer.class,
                    new Object[]{UID, before});
        } else {
            return sql.queryForList("SELECT message_id FROM favorites "
                    + "WHERE user_id=? ORDER BY message_id DESC LIMIT 20",
                    Integer.class, new Object[]{UID});

        }
    }

    public static List<Integer> getUserPhotos(JdbcTemplate sql, int UID, int privacy, int before) {
        if (before > 0) {
            return sql.queryForList("SELECT message_id FROM messages WHERE user_id=? AND message_id<? AND privacy>=" +
                    privacy + " AND attach IS NOT NULL ORDER BY message_id DESC LIMIT 20",
                    new Object[] {UID, before}, Integer.class);
        } else {
            return sql.queryForList("SELECT message_id FROM messages WHERE user_id=? AND privacy>=" + privacy +
                    " AND attach IS NOT NULL ORDER BY message_id DESC LIMIT 20",
                    new Object[] {UID}, Integer.class);
        }
    }

    public static List<Integer> getUserSearch(JdbcTemplate sql, JdbcTemplate sqlSearch, int UID, String search, int privacy, int before) {
        List<Integer> mids;


        if (before > 0) {
            mids = sqlSearch.queryForList("SELECT id AS message_id FROM messages WHERE user_id=? AND MATCH(?) AND id<? " +
                    "ORDER BY id DESC LIMIT 20", new Object[] {UID, search, before}, Integer.class);
        } else {
            mids = sqlSearch.queryForList("SELECT id AS message_id FROM messages WHERE user_id=? AND MATCH(?) " +
                    "ORDER BY id DESC LIMIT 20", new Object[] {UID, search}, Integer.class);
        }

        if (mids.size() > 0) {
           return sql.queryForList("SELECT message_id FROM messages WHERE message_id IN (" +
                           StringUtils.arrayToCommaDelimitedString(mids.toArray()) + ") AND privacy>=" + privacy + " ORDER BY message_id DESC",
                   Integer.class);
        }
        return mids;
    }

    public static List<com.juick.Message> getMessages(JdbcTemplate sql, List<Integer> mids) {
        if (!mids.isEmpty()) {
            return sql.query("SELECT messages.message_id,messages.user_id,users.nick,"
                    + "messages_txt.tags,messages.readonly,messages.privacy,messages_txt.txt,"
                    + "TIMESTAMPDIFF(MINUTE,messages.ts,NOW()),"
                    + "messages.ts,messages.replies,"
                    + "messages_txt.repliesby,messages.attach,messages.lat,"
                    + "messages.lon,messages.likes "
                    + "FROM (messages INNER JOIN messages_txt "
                    + "ON messages.message_id=messages_txt.message_id) "
                    + "INNER JOIN users ON messages.user_id=users.id "
                    + "WHERE messages.message_id "
                    + "IN (" + StringUtils.arrayToCommaDelimitedString(mids.toArray()) + ") "
                    + "ORDER BY messages.message_id DESC", (rs, rowNum) -> {
                com.juick.Message msg = new com.juick.Message();
                msg.setUser(new User());

                msg.setMID(rs.getInt(1));
                msg.getUser().setUID(rs.getInt(2));
                msg.getUser().setUName(rs.getString(3));
                if (rs.getString(4) != null) {
                    msg.parseTags(rs.getString(4));
                }
                msg.ReadOnly = rs.getInt(5) == 1;
                msg.Privacy = rs.getInt(6);
                msg.FriendsOnly = msg.Privacy < 0;
                msg.setText(rs.getString(7));
                msg.TimeAgo = rs.getInt(8);
                msg.setDate(rs.getTimestamp(9));
                msg.Replies = rs.getInt(10);
                msg.RepliesBy = rs.getString(11);
                msg.AttachmentType = rs.getString(12);
                if (rs.getDouble(13) != 0) {
                    msg.Place = new com.juick.Place();
                    msg.Place.lat = rs.getDouble(13);
                    msg.Place.lon = rs.getDouble(14);
                }
                msg.Likes = rs.getInt(15);
                return msg;
            });
        }
        return Collections.emptyList();
    }

    public static List<com.juick.Message> getReplies(JdbcTemplate sql, int mid) {
        return sql.query("SELECT replies.reply_id,replies.replyto,replies.user_id,users.nick,users.banned,replies.txt," +
                        "TIMESTAMPDIFF(MINUTE,replies.ts,NOW()),replies.ts,replies.attach FROM replies INNER JOIN users " +
                        "ON replies.user_id=users.id WHERE replies.message_id=? ORDER BY replies.reply_id ASC",
                new Object[]{mid}, (rs, num) -> {
                    com.juick.Message msg = new com.juick.Message();
                    msg.setMID(mid);
                    msg.setRID(rs.getInt(1));
                    msg.ReplyTo = rs.getInt(2);
                    msg.setUser(new User());
                    msg.getUser().setUID(rs.getInt(3));
                    msg.getUser().setUName(rs.getString(4));
                    msg.getUser().Banned = rs.getBoolean(5);
                    msg.setText(rs.getString(6));
                    msg.TimeAgo = rs.getInt(7);
                    msg.setDate(rs.getTimestamp(8));
                    msg.AttachmentType = rs.getString(9);
                    return msg;
                });
    }

    public static boolean setMessagePopular(JdbcTemplate sql, int mid, int popular) {
        boolean ret;
        switch (popular) {
            case -2:
                ret = sql.update("UPDATE messages SET hidden=1 WHERE message_id=?", mid) > 0;
                break;
            case -1:
                ret = sql.update("UPDATE messages SET popular=0 WHERE message_id=?", mid) > 0;
                break;
            default:
                ret = sql.update("UPDATE messages SET popular=? WHERE message_id=?", popular, mid) > 0;
                break;
        }
        if (popular == -1) {
            ret = sql.update("INSERT INTO top_ignore_messages VALUES (?)", mid) > 0;
        }
        return ret;
    }

    public static boolean setMessagePrivacy(JdbcTemplate sql, int mid) {
        return sql.update("UPDATE messages SET privacy=1 WHERE message_id=?", 
                mid) > 0;            
    }
    public static boolean deleteMessage(JdbcTemplate sql, int uid, int mid) {
        if (sql.update("DELETE FROM messages WHERE message_id=? AND user_id=?", mid, uid) > 0) {
            sql.update("DELETE FROM messages_txt WHERE message_id=?", mid);
            sql.update("DELETE FROM replies WHERE message_id=?", mid);
            sql.update("DELETE FROM subscr_messages WHERE message_id=?", mid);
            sql.update("DELETE FROM messages_tags WHERE message_id=?", mid);
            return true;
        }
        return false;
    }

}