/*
 * This is the source code of Telegram for Android v. 1.3.2.
 * It is licensed under GNU GPL v. 2 or later.
 * You should have received a copy of the license in this archive (see LICENSE).
 *
 * Copyright Nikolai Kudashov, 2013.
 */

package org.telegram.messenger;

import android.text.Html;
import android.util.Log;
import android.util.SparseArray;

import org.telegram.SQLite.SQLiteCursor;
import org.telegram.SQLite.SQLiteDatabase;
import org.telegram.SQLite.SQLitePreparedStatement;
import org.telegram.TL.TLClassStore;
import org.telegram.TL.TLObject;
import org.telegram.TL.TLRPC;
import org.telegram.ui.ApplicationLoader;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import java.util.concurrent.Semaphore;

public class MessagesStorage {
    public DispatchQueue storageQueue = new DispatchQueue("storageQueue");
    private SQLiteDatabase database;
    private File cacheFile;
    public static int lastDateValue = 0;
    public static int lastPtsValue = 0;
    public static int lastQtsValue = 0;
    public static int lastSeqValue = 0;
    public static int lastSecretVersion = 0;
    public static byte[] secretPBytes = null;
    public static int secretG = 0;

    public static final int wallpapersDidLoaded = 171;
    public static MessagesStorage Instance = new MessagesStorage();

    public MessagesStorage() {
        storageQueue.setPriority(Thread.MAX_PRIORITY);
        openDatabase();
    }

    public void openDatabase() {
        cacheFile = new File(ApplicationLoader.applicationContext.getFilesDir(), "cache4.db");
        boolean createTable = false;
        //cacheFile.delete();
        if (!cacheFile.exists()) {
            createTable = true;
        }
        try {
            database = new SQLiteDatabase(cacheFile.getPath());
            if (createTable) {
                database.executeFast("CREATE TABLE users(uid INTEGER PRIMARY KEY, name TEXT, status INTEGER, data BLOB)").stepThis().dispose();
                database.executeFast("CREATE TABLE messages(mid INTEGER PRIMARY KEY, uid INTEGER, read_state INTEGER, send_state INTEGER, date INTEGER, data BLOB, out INTEGER, ttl INTEGER)").stepThis().dispose();
                database.executeFast("CREATE TABLE chats(uid INTEGER PRIMARY KEY, name TEXT, data BLOB)").stepThis().dispose();
                database.executeFast("CREATE TABLE enc_chats(uid INTEGER PRIMARY KEY, user INTEGER, name TEXT, data BLOB, g BLOB, authkey BLOB, ttl INTEGER)").stepThis().dispose();
                database.executeFast("CREATE TABLE dialogs(did INTEGER PRIMARY KEY, date INTEGER, unread_count INTEGER, last_mid INTEGER)").stepThis().dispose();
                database.executeFast("CREATE TABLE chat_settings(uid INTEGER PRIMARY KEY, participants BLOB)").stepThis().dispose();
                database.executeFast("CREATE TABLE contacts(uid INTEGER PRIMARY KEY, mutual INTEGER)").stepThis().dispose();
                database.executeFast("CREATE TABLE pending_read(uid INTEGER PRIMARY KEY, max_id INTEGER)").stepThis().dispose();
                database.executeFast("CREATE TABLE media(mid INTEGER PRIMARY KEY, uid INTEGER, date INTEGER, data BLOB)").stepThis().dispose();
                database.executeFast("CREATE TABLE media_counts(uid INTEGER PRIMARY KEY, count INTEGER)").stepThis().dispose();
                database.executeFast("CREATE TABLE wallpapers(uid INTEGER PRIMARY KEY, data BLOB)").stepThis().dispose();
                database.executeFast("CREATE TABLE randoms(random_id INTEGER PRIMARY KEY, mid INTEGER)").stepThis().dispose();
                database.executeFast("CREATE TABLE enc_tasks(date INTEGER, data BLOB)").stepThis().dispose();
                database.executeFast("CREATE TABLE params(id INTEGER PRIMARY KEY, seq INTEGER, pts INTEGER, date INTEGER, qts INTEGER, lsv INTEGER, sg INTEGER, pbytes BLOB)").stepThis().dispose();
                database.executeFast("INSERT INTO params VALUES(1, 0, 0, 0, 0, 0, 0, NULL)").stepThis().dispose();
                database.executeFast("CREATE TABLE user_photos(uid INTEGER, id INTEGER, data BLOB, PRIMARY KEY (uid, id))").stepThis().dispose();

                database.executeFast("CREATE INDEX IF NOT EXISTS date_idx_dialogs ON dialogs(date);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS date_idx_enc_tasks ON enc_tasks(date);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS last_mid_idx_dialogs ON dialogs(last_mid);").stepThis().dispose();

                database.executeFast("CREATE INDEX IF NOT EXISTS uid_mid_idx_media ON media(uid, mid);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS mid_idx_media ON media(mid);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS uid_date_mid_idx_media ON media(uid, date, mid);").stepThis().dispose();

                database.executeFast("CREATE INDEX IF NOT EXISTS uid_mid_idx_messages ON messages(uid, mid);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS uid_date_mid_idx_messages ON messages(uid, date, mid);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS mid_out_idx_messages ON messages(mid, out);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS task_idx_messages ON messages(uid, out, read_state, ttl, date, send_state);").stepThis().dispose();
            } else {
                SQLiteCursor cursor = database.queryFinalized("SELECT count(*) FROM sqlite_master WHERE type='table' AND name='params'");
                boolean create = false;
                if (cursor.next()) {
                    int count = cursor.intValue(0);
                    if (count == 0) {
                        create = true;
                    }
                } else {
                    create = true;
                }
                cursor.dispose();
                if (create) {
                    database.executeFast("CREATE TABLE params(id INTEGER PRIMARY KEY, seq INTEGER, pts INTEGER, date INTEGER, qts INTEGER, lsv INTEGER, sg INTEGER, pbytes BLOB)").stepThis().dispose();
                    database.executeFast("INSERT INTO params VALUES(1, 0, 0, 0, 0, 0, 0, NULL)").stepThis().dispose();
                } else {
                    cursor = database.queryFinalized("SELECT seq, pts, date, qts, lsv, sg, pbytes FROM params WHERE id = 1");
                    if (cursor.next()) {
                        lastSeqValue = cursor.intValue(0);
                        lastPtsValue = cursor.intValue(1);
                        lastDateValue = cursor.intValue(2);
                        lastQtsValue = cursor.intValue(3);
                        lastSecretVersion = cursor.intValue(4);
                        secretG = cursor.intValue(5);
                        if (cursor.isNull(6)) {
                            secretPBytes = null;
                        } else {
                            secretPBytes = cursor.byteArrayValue(6);
                            if (secretPBytes != null && secretPBytes.length == 1) {
                                secretPBytes = null;
                            }
                        }
                    }
                    cursor.dispose();
                }
                database.executeFast("CREATE TABLE IF NOT EXISTS user_photos(uid INTEGER, id INTEGER, data BLOB, PRIMARY KEY (uid, id))").stepThis().dispose();

                database.executeFast("CREATE INDEX IF NOT EXISTS mid_idx_media ON media(mid);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS uid_date_mid_idx_media ON media(uid, date, mid);").stepThis().dispose();

                database.executeFast("DROP INDEX IF EXISTS read_state_out_idx_messages;").stepThis().dispose();
                database.executeFast("DROP INDEX IF EXISTS ttl_idx_messages;").stepThis().dispose();
                database.executeFast("DROP INDEX IF EXISTS date_idx_messages;").stepThis().dispose();

                database.executeFast("CREATE INDEX IF NOT EXISTS mid_out_idx_messages ON messages(mid, out);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS task_idx_messages ON messages(uid, out, read_state, ttl, date, send_state);").stepThis().dispose();
                database.executeFast("CREATE INDEX IF NOT EXISTS uid_date_mid_idx_messages ON messages(uid, date, mid);").stepThis().dispose();
            }
        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
    }

    public void cleanUp() {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                lastDateValue = 0;
                lastSeqValue = 0;
                lastPtsValue = 0;
                lastQtsValue = 0;
                lastSecretVersion = 0;
                secretPBytes = null;
                secretG = 0;
                if (database != null) {
                    database.close();
                    database = null;
                }
                if (cacheFile != null) {
                    cacheFile.delete();
                    cacheFile = null;
                }
                try {
                    File old = new File(ApplicationLoader.applicationContext.getFilesDir(), "cache.db");
                    if (old.exists()) {
                        old.delete();
                    }
                    old = new File(ApplicationLoader.applicationContext.getFilesDir(), "cache2.db");
                    if (old.exists()) {
                        old.delete();
                    }
                    old = new File(ApplicationLoader.applicationContext.getFilesDir(), "cache3.db");
                    if (old.exists()) {
                        old.delete();
                    }
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
                openDatabase();
            }
        });
    }

    public void saveSecretParams(final int lsv, final int sg, final byte[] pbytes) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    SQLitePreparedStatement state = database.executeFast("UPDATE params SET lsv = ?, sg = ?, pbytes = ? WHERE id = 1");
                    state.bindInteger(1, lsv);
                    state.bindInteger(2, sg);
                    if (pbytes != null) {
                        state.bindByteArray(3, pbytes);
                    } else {
                        state.bindByteArray(3, new byte[1]);
                    }
                    state.step();
                    state.dispose();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void saveDiffParams(final int seq, final int pts, final int date, final int qts) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    SQLitePreparedStatement state = database.executeFast("UPDATE params SET seq = ?, pts = ?, date = ?, qts = ? WHERE id = 1");
                    state.bindInteger(1, seq);
                    state.bindInteger(2, pts);
                    state.bindInteger(3, date);
                    state.bindInteger(4, qts);
                    state.step();
                    state.dispose();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void putWallpapers(final ArrayList<TLRPC.WallPaper> wallPapers) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    database.executeFast("DELETE FROM wallpapers WHERE 1").stepThis().dispose();
                    database.beginTransaction();
                    SQLitePreparedStatement state = database.executeFast("REPLACE INTO wallpapers VALUES(?, ?)");
                    int num = 0;
                    for (TLRPC.WallPaper wallPaper : wallPapers) {
                        state.requery();
                        SerializedData data = new SerializedData();
                        wallPaper.serializeToStream(data);
                        state.bindInteger(1, num);
                        state.bindByteArray(2, data.toByteArray());
                        state.step();
                        num++;
                    }
                    state.dispose();
                    database.commitTransaction();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void getWallpapers() {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    SQLiteCursor cursor = database.queryFinalized("SELECT data FROM wallpapers WHERE 1");
                    ArrayList<TLRPC.WallPaper> wallPapers = new ArrayList<TLRPC.WallPaper>();
                    while (cursor.next()) {
                        byte[] bytes = cursor.byteArrayValue(0);
                        if (bytes != null) {
                            SerializedData data = new SerializedData(bytes);
                            TLRPC.WallPaper wallPaper = (TLRPC.WallPaper)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                            wallPapers.add(wallPaper);
                        }
                    }
                    cursor.dispose();
                    NotificationCenter.Instance.postNotificationName(wallpapersDidLoaded, wallPapers);
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void deleteDialog(final long did, final boolean messagesOnly) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    if (!messagesOnly) {
                        database.executeFast("DELETE FROM dialogs WHERE did = " + did).stepThis().dispose();
                        database.executeFast("DELETE FROM chat_settings WHERE uid = " + did).stepThis().dispose();
                    }
                    database.executeFast("DELETE FROM media_counts WHERE uid = " + did).stepThis().dispose();
                    database.executeFast("DELETE FROM messages WHERE uid = " + did).stepThis().dispose();
                    database.executeFast("DELETE FROM media WHERE uid = " + did).stepThis().dispose();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void getUserPhotos(final int uid, final int offset, final int count, final long max_id, final int classGuid) {
        try {
            SQLiteCursor cursor;

            if (max_id != 0) {
                cursor = database.queryFinalized(String.format(Locale.US, "SELECT data FROM user_photos WHERE uid = %d AND id < %d ORDER BY id DESC LIMIT %d", uid, max_id, count));
            } else {
                cursor = database.queryFinalized(String.format(Locale.US, "SELECT data FROM user_photos WHERE uid = %d ORDER BY id DESC LIMIT %d,%d", uid, offset, count));
            }

            final TLRPC.photos_Photos res = new TLRPC.photos_Photos();

            while (cursor.next()) {
                byte[] messageData = cursor.byteArrayValue(0);
                if (messageData != null) {
                    SerializedData data = new SerializedData(messageData);
                    TLRPC.Photo photo = (TLRPC.Photo)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                    res.photos.add(photo);
                }
            }
            cursor.dispose();

            Utilities.stageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    MessagesController.Instance.processLoadedUserPhotos(res, uid, offset, count, max_id, true, classGuid);
                }
            });

        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
    }

    public void putUserPhotos(final int uid, final TLRPC.photos_Photos photos) {
        if (photos == null || photos.photos.isEmpty()) {
            return;
        }
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    SQLitePreparedStatement state = database.executeFast("REPLACE INTO user_photos VALUES(?, ?, ?)");
                    for (TLRPC.Photo photo : photos.photos) {
                        if (photo instanceof TLRPC.TL_photoEmpty) {
                            continue;
                        }
                        state.requery();
                        SerializedData data = new SerializedData();
                        photo.serializeToStream(data);
                        state.bindInteger(1, uid);
                        state.bindLong(2, photo.id);
                        byte[] bytes = data.toByteArray();
                        state.bindByteArray(3, bytes);
                        state.step();
                    }
                    state.dispose();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void getNewTask(final Long oldTask) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    if (oldTask != null) {
                        database.executeFast("DELETE FROM enc_tasks WHERE rowid = " + oldTask).stepThis().dispose();
                    }
                    Long taskId = null;
                    int date = 0;
                    ArrayList<Integer> arr = null;
                    SQLiteCursor cursor = database.queryFinalized("SELECT rowid, date, data FROM enc_tasks ORDER BY date ASC LIMIT 1");
                    if (cursor.next()) {
                        taskId = cursor.longValue(0);
                        date = cursor.intValue(1);
                        byte[] data = cursor.byteArrayValue(2);
                        SerializedData serializedData = new SerializedData(data);
                        arr = new ArrayList<Integer>();
                        int count = data.length / 4;
                        for (int a = 0; a < count; a++) {
                            arr.add(serializedData.readInt32());
                        }
                    }
                    cursor.dispose();
                    MessagesController.Instance.processLoadedDeleteTask(taskId, date, arr);
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void createTaskForDate(final int chat_id, final int time, final int readTime, final int isOut) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    int minDate = Integer.MAX_VALUE;
                    SparseArray<ArrayList<Integer>> messages = new SparseArray<ArrayList<Integer>>();
                    String mids = "";
                    SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT mid, ttl FROM messages WHERE uid = %d AND out = %d AND read_state = 1 AND ttl > 0 AND date <= %d AND send_state = 0", ((long)chat_id) << 32, isOut, time));
                    while (cursor.next()) {
                        int mid = cursor.intValue(0);
                        int ttl = cursor.intValue(1);
                        int date = readTime + ttl;
                        minDate = Math.min(minDate, date);
                        ArrayList<Integer> arr = messages.get(date);
                        if (arr == null) {
                            arr = new ArrayList<Integer>();
                            messages.put(date, arr);
                        }
                        if (mids.length() != 0) {
                            mids += ",";
                        }
                        mids += "" + mid;
                        arr.add(mid);
                    }
                    cursor.dispose();
                    if (messages.size() != 0) {
                        database.beginTransaction();
                        SQLitePreparedStatement state = database.executeFast("INSERT INTO enc_tasks VALUES(?, ?)");
                        for (int a = 0; a < messages.size(); a++) {
                            int key = messages.keyAt(a);
                            ArrayList<Integer> arr = messages.get(key);
                            SerializedData data = new SerializedData();
                            for (int b = 0; b < arr.size(); b++) {
                                int mid = arr.get(b);
                                data.writeInt32(mid);
                                if (b == arr.size() - 1 || b != 0 && b % 100 == 0) {
                                    state.requery();
                                    byte[] toDb = data.toByteArray();
                                    state.bindInteger(1, key);
                                    state.bindByteArray(2, toDb);
                                    state.step();

                                    if (b != arr.size() - 1) {
                                        data = new SerializedData();
                                    }
                                }
                            }
                        }
                        state.dispose();
                        database.commitTransaction();
                        database.executeFast(String.format(Locale.US, "UPDATE messages SET ttl = 0 WHERE mid IN (%s)", mids)).stepThis().dispose();
                        MessagesController.Instance.didAddedNewTask(minDate);
                    }
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    private void updateDialogsWithReadedMessagesInternal(final ArrayList<Integer> messages/*, final HashMap<Integer, Integer> encryptedMessages*/) {
        if (Thread.currentThread().getId() != storageQueue.getId()) {
            throw new RuntimeException("wrong db thread");
        }
        try {
            HashMap<Long, Integer> dialogsToUpdate = new HashMap<Long, Integer>();
            String dialogsToReload = "";
            if (messages != null && !messages.isEmpty()) {
                String ids = "";
                for (int uid : messages) {
                    if (ids.length() != 0) {
                        ids += ",";
                    }
                    ids += uid;
                }
                SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT uid FROM messages WHERE mid IN(%s) AND out = 0", ids));
                while (cursor.next()) {
                    long uid = cursor.longValue(0);
                    Integer currentCount = dialogsToUpdate.get(uid);
                    if (currentCount == null) {
                        dialogsToUpdate.put(uid, 1);
                    } else {
                        dialogsToUpdate.put(uid, currentCount + 1);
                    }
                }
                cursor.dispose();

                database.beginTransaction();
                SQLitePreparedStatement state = database.executeFast("UPDATE dialogs SET unread_count = max(0, (SELECT unread_count FROM dialogs WHERE did = ?) - ?) WHERE did = ?");
                for (HashMap.Entry<Long, Integer> entry : dialogsToUpdate.entrySet()) {
                    state.requery();
                    state.bindLong(1, entry.getKey());
                    state.bindInteger(2, entry.getValue());
                    state.bindLong(3, entry.getKey());
                    state.step();
                    if (dialogsToReload.length() != 0) {
                        dialogsToReload += ",";
                    }
                    dialogsToReload += entry.getKey();
                }
                state.dispose();
                database.commitTransaction();
            }
            /*if (encryptedMessages != null && !encryptedMessages.isEmpty()) {
                database.beginTransaction();
                SQLitePreparedStatement state = database.executeFast("UPDATE dialogs SET unread_count = (SELECT COUNT(uid) FROM messages WHERE did = ? AND read_state = 0 AND out = 0) WHERE did = ?");
                for (HashMap.Entry<Integer, Integer> entry : encryptedMessages.entrySet()) {
                    long dialog_id = ((long)entry.getKey()) << 32;
                    state.requery();
                    state.bindLong(1, dialog_id);
                    state.bindLong(2, dialog_id);
                    state.step();
                    if (dialogsToReload.length() != 0) {
                        dialogsToReload += ",";
                    }
                    dialogsToReload += dialog_id;
                }
                state.dispose();
                database.commitTransaction();
            }*/

            TLRPC.messages_Dialogs dialogs = new TLRPC.messages_Dialogs();
            ArrayList<TLRPC.EncryptedChat> encryptedChats = new ArrayList<TLRPC.EncryptedChat>();
            ArrayList<Integer> usersToLoad = new ArrayList<Integer>();
            ArrayList<Integer> chatsToLoad = new ArrayList<Integer>();
            ArrayList<Integer> encryptedToLoad = new ArrayList<Integer>();
            SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT d.did, d.last_mid, d.unread_count, d.date, m.data, m.read_state, m.mid, m.send_state FROM dialogs as d LEFT JOIN messages as m ON d.last_mid = m.mid WHERE d.did IN(%s)", dialogsToReload));
            while (cursor.next()) {
                TLRPC.TL_dialog dialog = new TLRPC.TL_dialog();
                dialog.id = cursor.longValue(0);
                dialog.top_message = cursor.intValue(1);
                dialog.unread_count = cursor.intValue(2);
                dialog.last_message_date = cursor.intValue(3);
                dialogs.dialogs.add(dialog);

                byte[] messageData = cursor.byteArrayValue(4);
                if (messageData != null) {
                    SerializedData data = new SerializedData(messageData);
                    TLRPC.Message message = (TLRPC.Message)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                    message.unread = (cursor.intValue(5) != 1);
                    message.id = cursor.intValue(6);
                    message.send_state = cursor.intValue(7);
                    dialogs.messages.add(message);

                    if (!usersToLoad.contains(message.from_id)) {
                        usersToLoad.add(message.from_id);
                    }
                    if (message.action != null && message.action.user_id != 0) {
                        if (!usersToLoad.contains(message.action.user_id)) {
                            usersToLoad.add(message.action.user_id);
                        }
                    }
                    if (message.fwd_from_id != 0) {
                        if (!usersToLoad.contains(message.fwd_from_id)) {
                            usersToLoad.add(message.fwd_from_id);
                        }
                    }
                }

                int lower_id = (int)dialog.id;
                if (lower_id != 0) {
                    if (lower_id > 0) {
                        if (!usersToLoad.contains(lower_id)) {
                            usersToLoad.add(lower_id);
                        }
                    } else {
                        if (!chatsToLoad.contains(-lower_id)) {
                            chatsToLoad.add(-lower_id);
                        }
                    }
                } else {
                    int encryptedId = (int)(dialog.id >> 32);
                    if (!encryptedToLoad.contains(encryptedId)) {
                        encryptedToLoad.add(encryptedId);
                    }
                }
            }
            cursor.dispose();

            if (!encryptedToLoad.isEmpty()) {
                String toLoad = "";
                for (int uid : encryptedToLoad) {
                    if (toLoad.length() != 0) {
                        toLoad += ",";
                    }
                    toLoad += uid;
                }
                cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, user, g, authkey, ttl FROM enc_chats WHERE uid IN(%s)", toLoad));
                while (cursor.next()) {
                    byte[] chatData = cursor.byteArrayValue(0);
                    if (chatData != null) {
                        SerializedData data = new SerializedData(chatData);
                        TLRPC.EncryptedChat chat = (TLRPC.EncryptedChat)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                        encryptedChats.add(chat);
                        chat.user_id = cursor.intValue(1);
                        if (!usersToLoad.contains(chat.user_id)) {
                            usersToLoad.add(chat.user_id);
                        }
                        chat.a_or_b = cursor.byteArrayValue(2);
                        chat.auth_key = cursor.byteArrayValue(3);
                        chat.ttl = cursor.intValue(4);
                    }
                }
                cursor.dispose();
            }

            if (!chatsToLoad.isEmpty()) {
                String toLoad = "";
                for (int uid : chatsToLoad) {
                    if (toLoad.length() != 0) {
                        toLoad += ",";
                    }
                    toLoad += uid;
                }
                cursor = database.queryFinalized(String.format(Locale.US, "SELECT data FROM chats WHERE uid IN(%s)", toLoad));
                while (cursor.next()) {
                    byte[] chatData = cursor.byteArrayValue(0);
                    if (chatData != null) {
                        SerializedData data = new SerializedData(chatData);
                        TLRPC.Chat chat = (TLRPC.Chat)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                        dialogs.chats.add(chat);
                    }
                }
                cursor.dispose();
            }

            if (!usersToLoad.isEmpty()) {
                String toLoad = "";
                for (int uid : usersToLoad) {
                    if (toLoad.length() != 0) {
                        toLoad += ",";
                    }
                    toLoad += uid;
                }
                cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, status FROM users WHERE uid IN(%s)", toLoad));
                while (cursor.next()) {
                    byte[] userData = cursor.byteArrayValue(0);
                    if (userData != null) {
                        SerializedData data = new SerializedData(userData);
                        TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                        if (user.status != null) {
                            user.status.was_online = user.status.expires = cursor.intValue(1);
                        }
                        dialogs.users.add(user);
                    }
                }
                cursor.dispose();
            }

            if (!dialogs.dialogs.isEmpty() || !encryptedChats.isEmpty()) {
                MessagesController.Instance.processDialogsUpdate(dialogs, encryptedChats);
            }
        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
    }

    public void updateDialogsWithReadedMessages(final ArrayList<Integer> messages, boolean useQueue) {
        if (messages.isEmpty()) {
            return;
        }
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    updateDialogsWithReadedMessagesInternal(messages);
                }
            });
        } else {
            updateDialogsWithReadedMessagesInternal(messages);
        }
    }

    public void updateChatInfo(final int chat_id, final TLRPC.ChatParticipants info, final boolean ifExist) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    if (ifExist) {
                        boolean dontExist = true;
                        SQLiteCursor cursor = database.queryFinalized("SELECT uid FROM chat_settings WHERE uid = " + chat_id);
                        if (cursor.next()) {
                            dontExist = false;
                        }
                        cursor.dispose();
                        if (dontExist) {
                            return;
                        }
                    }
                    SQLitePreparedStatement state = database.executeFast("REPLACE INTO chat_settings VALUES(?, ?)");
                    SerializedData data = new SerializedData();
                    info.serializeToStream(data);
                    state.bindInteger(1, chat_id);
                    state.bindByteArray(2, data.toByteArray());
                    state.step();
                    state.dispose();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void loadChatInfo(final int chat_id) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    SQLiteCursor cursor = database.queryFinalized("SELECT participants FROM chat_settings WHERE uid = " + chat_id);
                    TLRPC.ChatParticipants info = null;
                    ArrayList<TLRPC.User> loadedUsers = new ArrayList<TLRPC.User>();
                    if (cursor.next()) {
                        byte[] userData = cursor.byteArrayValue(0);
                        if (userData != null) {
                            SerializedData data = new SerializedData(userData);
                            info = (TLRPC.ChatParticipants)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                        }
                    }
                    cursor.dispose();

                    if (info != null) {
                        String usersToLoad = "";
                        for (TLRPC.TL_chatParticipant c : info.participants) {
                            if (usersToLoad.length() != 0) {
                                usersToLoad += ",";
                            }
                            usersToLoad += c.user_id;
                        }
                        if (usersToLoad.length() != 0) {
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, status FROM users WHERE uid IN(%s)", usersToLoad));
                            while (cursor.next()) {
                                byte[] userData = cursor.byteArrayValue(0);
                                if (userData != null) {
                                    SerializedData data = new SerializedData(userData);
                                    TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                    loadedUsers.add(user);
                                    if (user.status != null) {
                                        user.status.was_online = user.status.expires = cursor.intValue(1);
                                    }
                                }
                            }
                            cursor.dispose();
                        }
                    }
                    MessagesController.Instance.processChatInfo(chat_id, info, loadedUsers, true);
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void processPendingRead(final long dialog_id, final int max_id, final int max_date, final boolean delete) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    if (delete) {
                        //database.executeFast("DELETE FROM pending_read WHERE uid = " + dialog_id).stepThis().dispose();
                    } else {
                        database.beginTransaction();
                        SQLitePreparedStatement state;/*) = database.executeFast("REPLACE INTO pending_read VALUES(?, ?)");
                        state.requery();
                        state.bindLong(1, dialog_id);
                        state.bindInteger(2, max_id);
                        state.step();
                        state.dispose();*/

                        int lower_id = (int)dialog_id;

                        if (lower_id != 0) {
                            state = database.executeFast("UPDATE messages SET read_state = 1 WHERE uid = ? AND mid <= ? AND read_state = 0 AND out = 0");
                            state.requery();
                            state.bindLong(1, dialog_id);
                            state.bindInteger(2, max_id);
                            state.step();
                            state.dispose();
                        } else {
                            state = database.executeFast("UPDATE messages SET read_state = 1 WHERE uid = ? AND date <= ? AND read_state = 0 AND out = 0");
                            state.requery();
                            state.bindLong(1, dialog_id);
                            state.bindInteger(2, max_date);
                            state.step();
                            state.dispose();
                        }

                        state = database.executeFast("UPDATE dialogs SET unread_count = 0 WHERE did = ?");
                        state.requery();
                        state.bindLong(1, dialog_id);
                        state.step();
                        state.dispose();

                        database.commitTransaction();
                    }
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void searchDialogs(final Integer token, final String query, final boolean needEncrypted) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    ArrayList<TLRPC.User> encUsers = new ArrayList<TLRPC.User>();
                    String q = query.trim().toLowerCase();
                    if (q.length() == 0) {
                        NotificationCenter.Instance.postNotificationName(MessagesController.reloadSearchResults, token, new ArrayList<TLObject>(), new ArrayList<CharSequence>(), new ArrayList<CharSequence>());
                        return;
                    }
                    ArrayList<TLObject> resultArray = new ArrayList<TLObject>();
                    ArrayList<CharSequence> resultArrayNames = new ArrayList<CharSequence>();

                    SQLiteCursor cursor = database.queryFinalized("SELECT u.data, u.status, u.name FROM users as u INNER JOIN contacts as c ON u.uid = c.uid");
                    while (cursor.next()) {
                        String name = cursor.stringValue(2);
                        String[] args = name.split(" ");
                        for (String str : args) {
                            if (str.startsWith(q)) {
                                byte[] userData = cursor.byteArrayValue(0);
                                if (userData != null) {
                                    SerializedData data = new SerializedData(userData);
                                    TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                    if (user.id == UserConfig.clientUserId) {
                                        continue;
                                    }
                                    if (user.status != null) {
                                        user.status.was_online = user.status.expires = cursor.intValue(1);
                                    }
                                    resultArrayNames.add(Utilities.generateSearchName(user.first_name, user.last_name, q));
                                    resultArray.add(user);
                                }
                                break;
                            }
                        }
                    }
                    cursor.dispose();

                    if (needEncrypted) {
                        cursor = database.queryFinalized("SELECT q.data, q.name, q.user, q.g, q.authkey, q.ttl, u.data, u.status FROM enc_chats as q INNER JOIN dialogs as d ON (q.uid << 32) = d.did INNER JOIN users as u ON q.user = u.uid");
                        while (cursor.next()) {
                            String name = cursor.stringValue(1);
                            String[] args = name.split(" ");
                            for (String arg : args) {
                                if (arg.startsWith(q)) {
                                    byte[] chatData = cursor.byteArrayValue(0);
                                    byte[] userData = cursor.byteArrayValue(6);
                                    if (chatData != null && userData != null) {
                                        SerializedData data = new SerializedData(chatData);
                                        TLRPC.EncryptedChat chat = (TLRPC.EncryptedChat) TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                        chat.user_id = cursor.intValue(2);
                                        chat.a_or_b = cursor.byteArrayValue(3);
                                        chat.auth_key = cursor.byteArrayValue(4);
                                        chat.ttl = cursor.intValue(5);

                                        SerializedData data2 = new SerializedData(userData);
                                        TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data2, data2.readInt32());
                                        if (user.status != null) {
                                            user.status.was_online = user.status.expires = cursor.intValue(7);
                                        }
                                        resultArrayNames.add(Html.fromHtml("<font color=\"#00a60e\">" + Utilities.formatName(user.first_name, user.last_name) + "</font>"));
                                        resultArray.add(chat);
                                        encUsers.add(user);
                                    }
                                    break;
                                }
                            }
                        }
                        cursor.dispose();
                    }

                    cursor = database.queryFinalized("SELECT c.data, c.name FROM chats as c INNER JOIN dialogs as d ON c.uid = -d.did");
                    while (cursor.next()) {
                        String name = cursor.stringValue(1);
                        String[] args = name.split(" ");
                        for (String arg : args) {
                            if (arg.startsWith(q)) {
                                byte[] chatData = cursor.byteArrayValue(0);
                                if (chatData != null) {
                                    SerializedData data = new SerializedData(chatData);
                                    TLRPC.Chat chat = (TLRPC.Chat) TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                    resultArrayNames.add(Utilities.generateSearchName(chat.title, null, q));
                                    resultArray.add(chat);
                                }
                                break;
                            }
                        }
                    }
                    cursor.dispose();
                    NotificationCenter.Instance.postNotificationName(MessagesController.reloadSearchResults, token, resultArray, resultArrayNames, encUsers);
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void putContacts(final ArrayList<TLRPC.TL_contact> contacts, final boolean deleteAll) {
        if (contacts.isEmpty()) {
            return;
        }
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    if (deleteAll) {
                        database.executeFast("DELETE FROM contacts WHERE 1").stepThis().dispose();
                    }
                    database.beginTransaction();
                    SQLitePreparedStatement state = database.executeFast("REPLACE INTO contacts VALUES(?, ?)");
                    for (TLRPC.TL_contact contact : contacts) {
                        state.requery();
                        state.bindInteger(1, contact.user_id);
                        state.bindInteger(2, contact.mutual ? 1 : 0);
                        state.step();
                    }
                    state.dispose();
                    database.commitTransaction();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void getContacts() {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    ArrayList<TLRPC.TL_contact> contacts = new ArrayList<TLRPC.TL_contact>();
                    ArrayList<TLRPC.User> users = new ArrayList<TLRPC.User>();
                    SQLiteCursor cursor = database.queryFinalized("SELECT * FROM contacts WHERE 1");
                    String uids = "";
                    while (cursor.next()) {
                        int user_id = cursor.intValue(0);
                        if (user_id == UserConfig.clientUserId) {
                            continue;
                        }
                        TLRPC.TL_contact contact = new TLRPC.TL_contact();
                        contact.user_id = user_id;
                        contact.mutual = cursor.intValue(1) == 1;
                        if (uids.length() != 0) {
                            uids += ",";
                        }
                        contacts.add(contact);
                        uids += contact.user_id;
                    }
                    cursor.dispose();

                    if (uids.length() != 0) {
                        cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, status FROM users WHERE uid IN(%s)", uids));
                        while (cursor.next()) {
                            byte[] userData = cursor.byteArrayValue(0);
                            if (userData != null) {
                                SerializedData data = new SerializedData(userData);
                                TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                users.add(user);
                                if (user.status != null) {
                                    user.status.was_online = user.status.expires = cursor.intValue(1);
                                }
                            }
                        }
                        cursor.dispose();
                    }
                    MessagesController.Instance.processLoadedContacts(contacts, users, 1);
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void putMediaCount(final long uid, final int count) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    SQLitePreparedStatement state2 = database.executeFast("REPLACE INTO media_counts VALUES(?, ?)");
                    state2.requery();
                    state2.bindLong(1, uid);
                    state2.bindInteger(2, count);
                    state2.step();
                    state2.dispose();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void getMediaCount(final long uid, final int classGuid) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    int count = -1;
                    SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT count FROM media_counts WHERE uid = %d LIMIT 1", uid));
                    if (cursor.next()) {
                        count = cursor.intValue(0);
                    }
                    cursor.dispose();
                    int lower_part = (int)uid;
                    if (count == -1 && lower_part == 0) {
                        cursor = database.queryFinalized(String.format(Locale.US, "SELECT COUNT(mid) FROM media WHERE uid = %d LIMIT 1", uid));
                        if (cursor.next()) {
                            count = cursor.intValue(0);
                        }
                        cursor.dispose();
                        if (count != -1) {
                            putMediaCount(uid, count);
                        }
                    }
                    MessagesController.Instance.processLoadedMediaCount(count, uid, classGuid, true);
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void loadMedia(final long uid, final int offset, final int count, final int max_id, final int classGuid) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                TLRPC.TL_messages_messages res = new TLRPC.TL_messages_messages();
                try {
                    ArrayList<Integer> loadedUsers = new ArrayList<Integer>();
                    ArrayList<Integer> fromUser = new ArrayList<Integer>();

                    SQLiteCursor cursor;

                    if ((int)uid != 0) {
                        if (max_id != 0) {
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, mid FROM media WHERE uid = %d AND mid < %d ORDER BY date DESC, mid DESC LIMIT %d", uid, max_id, count));
                        } else {
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, mid FROM media WHERE uid = %d ORDER BY date DESC, mid DESC LIMIT %d,%d", uid, offset, count));
                        }
                    } else {
                        if (max_id != 0) {
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, mid FROM media WHERE uid = %d AND mid < %d ORDER BY date DESC LIMIT %d", uid, max_id, count));
                        } else {
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, mid FROM media WHERE uid = %d ORDER BY date DESC LIMIT %d,%d", uid, offset, count));
                        }
                    }

                    while (cursor.next()) {
                        byte[] messageData = cursor.byteArrayValue(0);
                        if (messageData != null) {
                            SerializedData data = new SerializedData(messageData);
                            TLRPC.Message message = (TLRPC.Message)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                            message.id = cursor.intValue(1);
                            message.dialog_id = uid;
                            res.messages.add(message);
                            fromUser.add(message.from_id);
                        }
                    }
                    cursor.dispose();

                    String usersToLoad = "";
                    for (int uid : fromUser) {
                        if (!loadedUsers.contains(uid)) {
                            if (usersToLoad.length() != 0) {
                                usersToLoad += ",";
                            }
                            usersToLoad += uid;
                            loadedUsers.add(uid);
                        }
                    }
                    if (usersToLoad.length() != 0) {
                        cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, status FROM users WHERE uid IN(%s)", usersToLoad));
                        while (cursor.next()) {
                            byte[] userData = cursor.byteArrayValue(0);
                            if (userData != null) {
                                SerializedData data = new SerializedData(userData);
                                TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                loadedUsers.add(user.id);
                                if (user.status != null) {
                                    user.status.was_online = user.status.expires = cursor.intValue(1);
                                }
                                res.users.add(user);
                            }
                        }
                        cursor.dispose();
                    }
                } catch (Exception e) {
                    res.messages.clear();
                    res.chats.clear();
                    res.users.clear();
                    FileLog.e("tmessages", e);
                } finally {
                    MessagesController.Instance.processLoadedMedia(res, uid, offset, count, max_id, true, classGuid);
                }
            }
        });
    }

    public void putMedia(final long uid, final ArrayList<TLRPC.Message> messages) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    database.beginTransaction();
                    SQLitePreparedStatement state2 = database.executeFast("REPLACE INTO media VALUES(?, ?, ?, ?)");
                    for (TLRPC.Message message : messages) {
                        if (message.media instanceof TLRPC.TL_messageMediaVideo || message.media instanceof TLRPC.TL_messageMediaPhoto) {
                            state2.requery();
                            SerializedData data = new SerializedData();
                            message.serializeToStream(data);
                            state2.bindInteger(1, message.id);
                            state2.bindLong(2, uid);
                            state2.bindInteger(3, message.date);
                            state2.bindByteArray(4, data.toByteArray());
                            state2.step();
                        } else {
                            Log.e("tmessages", "test");
                        }
                    }
                    state2.dispose();
                    database.commitTransaction();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void getMessages(final long dialog_id, final int offset, final int count, final int max_id, final int minDate, final int classGuid, final boolean from_unread, final boolean forward) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                TLRPC.TL_messages_messages res = new TLRPC.TL_messages_messages();
                int count_unread = 0;
                int count_query = count;
                int offset_query = offset;
                int min_unread_id = 0;
                int max_unread_id = 0;
                int max_unread_date = 0;
                try {
                    ArrayList<Integer> loadedUsers = new ArrayList<Integer>();
                    ArrayList<Integer> fromUser = new ArrayList<Integer>();

                    SQLiteCursor cursor;
                    int lower_id = (int)dialog_id;

                    if (lower_id != 0) {
                        if (forward) {
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT read_state, data, send_state, mid, date FROM messages WHERE uid = %d AND mid > %d ORDER BY date ASC, mid ASC LIMIT %d", dialog_id, max_id, count_query));
                        } else if (minDate != 0) {
                            if (max_id != 0) {
                                cursor = database.queryFinalized(String.format(Locale.US, "SELECT read_state, data, send_state, mid, date FROM messages WHERE uid = %d AND date < %d AND mid < %d ORDER BY date DESC, mid DESC LIMIT %d", dialog_id, minDate, max_id, count_query));
                            } else {
                                cursor = database.queryFinalized(String.format(Locale.US, "SELECT read_state, data, send_state, mid, date FROM messages WHERE uid = %d AND date < %d ORDER BY date DESC, mid DESC LIMIT %d,%d", dialog_id, minDate, offset_query, count_query));
                            }
                        } else {
                            if (from_unread) {
                                cursor = database.queryFinalized(String.format(Locale.US, "SELECT min(mid), max(mid), max(date) FROM messages WHERE uid = %d AND out = 0 AND read_state = 0 AND mid > 0", dialog_id));
                                if (cursor.next()) {
                                    min_unread_id = cursor.intValue(0);
                                    max_unread_id = cursor.intValue(1);
                                    max_unread_date = cursor.intValue(2);
                                }
                                cursor.dispose();
                                if (min_unread_id != 0) {
                                    cursor = database.queryFinalized(String.format(Locale.US, "SELECT COUNT(*) FROM messages WHERE uid = %d AND mid >= %d AND out = 0 AND read_state = 0", dialog_id, min_unread_id));
                                    if (cursor.next()) {
                                        count_unread = cursor.intValue(0);
                                    }
                                    cursor.dispose();
                                }
                            }

                            if (count_query > count_unread || count_unread < 4) {
                                count_query = Math.max(count_query, count_unread + 10);
                                if (count_unread < 4) {
                                    count_unread = 0;
                                    min_unread_id = 0;
                                    max_unread_id = 0;
                                }
                            } else {
                                offset_query = count_unread - count_query;
                                count_query += 10;
                            }
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT read_state, data, send_state, mid, date FROM messages WHERE uid = %d ORDER BY date DESC, mid DESC LIMIT %d,%d", dialog_id, offset_query, count_query));
                        }
                    } else {
                        if (forward) {
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT read_state, data, send_state, mid, date FROM messages WHERE uid = %d AND mid < %d ORDER BY mid DESC LIMIT %d", dialog_id, max_id, count_query));
                        } else if (minDate != 0) {
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT read_state, data, send_state, mid, date FROM messages WHERE uid = %d AND date < %d ORDER BY mid ASC LIMIT %d,%d", dialog_id, minDate, offset_query, count_query));
                        } else {
                            if (from_unread) {
                                cursor = database.queryFinalized(String.format(Locale.US, "SELECT max(mid), min(mid), max(date) FROM messages WHERE uid = %d AND out = 0 AND read_state = 0 AND mid < 0", dialog_id));
                                if (cursor.next()) {
                                    min_unread_id = cursor.intValue(0);
                                    max_unread_id = cursor.intValue(1);
                                    max_unread_date = cursor.intValue(2);
                                }
                                cursor.dispose();
                                if (min_unread_id != 0) {
                                    cursor = database.queryFinalized(String.format(Locale.US, "SELECT COUNT(*) FROM messages WHERE uid = %d AND mid <= %d AND out = 0 AND read_state = 0", dialog_id, min_unread_id));
                                    if (cursor.next()) {
                                        count_unread = cursor.intValue(0);
                                    }
                                    cursor.dispose();
                                }
                            }

                            if (count_query > count_unread || count_unread < 4) {
                                count_query = Math.max(count_query, count_unread + 10);
                                if (count_unread < 4) {
                                    count_unread = 0;
                                    min_unread_id = 0;
                                    max_unread_id = 0;
                                }
                            } else {
                                offset_query = count_unread - count_query;
                                count_query += 10;
                            }
                            cursor = database.queryFinalized(String.format(Locale.US, "SELECT read_state, data, send_state, mid, date FROM messages WHERE uid = %d ORDER BY mid ASC LIMIT %d,%d", dialog_id, offset_query, count_query));
                        }
                    }
                    while (cursor.next()) {
                        byte[] messageData = cursor.byteArrayValue(1);
                        if (messageData != null) {
                            SerializedData data = new SerializedData(messageData);
                            TLRPC.Message message = (TLRPC.Message)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                            int read_state = cursor.intValue(0);
                            message.unread = (cursor.intValue(0) != 1);
                            message.id = cursor.intValue(3);
                            message.date = cursor.intValue(4);
                            message.dialog_id = dialog_id;
                            res.messages.add(message);
                            fromUser.add(message.from_id);
                            if (message.action != null && message.action.user_id != 0) {
                                fromUser.add(message.action.user_id);
                            }
                            if (message.media != null && message.media.user_id != 0) {
                                fromUser.add(message.media.user_id);
                            }
                            if (message.fwd_from_id != 0) {
                                fromUser.add(message.fwd_from_id);
                            }
                            message.send_state = cursor.intValue(2);
                            if (!message.unread || message.id > 0) {
                                message.send_state = 0;
                            }
                        }
                    }
                    cursor.dispose();

                    String usersToLoad = "";
                    for (int uid : fromUser) {
                        if (!loadedUsers.contains(uid)) {
                            if (usersToLoad.length() != 0) {
                                usersToLoad += ",";
                            }
                            usersToLoad += uid;
                            loadedUsers.add(uid);
                        }
                    }
                    if (usersToLoad.length() != 0) {
                        cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, status FROM users WHERE uid IN(%s)", usersToLoad));
                        while (cursor.next()) {
                            byte[] userData = cursor.byteArrayValue(0);
                            if (userData != null) {
                                SerializedData data = new SerializedData(userData);
                                TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                loadedUsers.add(user.id);
                                if (user.status != null) {
                                    user.status.was_online = user.status.expires = cursor.intValue(1);
                                }
                                res.users.add(user);
                            }
                        }
                        cursor.dispose();
                    }
                } catch (Exception e) {
                    res.messages.clear();
                    res.chats.clear();
                    res.users.clear();
                    FileLog.e("tmessages", e);
                } finally {
                    MessagesController.Instance.processLoadedMessages(res, dialog_id, offset, count_query, max_id, true, classGuid, min_unread_id, max_unread_id, count_unread, max_unread_date, forward);
                }
            }
        });
    }

    public void startTransaction(boolean useQueue) {
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    try {
                        database.beginTransaction();
                    } catch (Exception e) {
                        FileLog.e("tmessages", e);
                    }
                }
            });
        } else {
            try {
                database.beginTransaction();
            } catch (Exception e) {
                FileLog.e("tmessages", e);
            }
        }
    }

    public void commitTransaction(boolean useQueue) {
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    database.commitTransaction();
                }
            });
        } else {
            database.commitTransaction();
        }
    }

    public void updateEncryptedChatTTL(final TLRPC.EncryptedChat chat) {
        if (chat == null) {
            return;
        }
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                SQLitePreparedStatement state = null;
                try {
                    state = database.executeFast("UPDATE enc_chats SET ttl = ? WHERE uid = ?");
                    state.bindInteger(1, chat.ttl);
                    state.bindInteger(2, chat.id);
                    state.step();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                } finally {
                    if (state != null) {
                        state.dispose();
                    }
                }
            }
        });
    }

    public void updateEncryptedChat(final TLRPC.EncryptedChat chat) {
        if (chat == null) {
            return;
        }
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                SQLitePreparedStatement state = null;
                try {
                    state = database.executeFast("UPDATE enc_chats SET data = ?, g = ?, authkey = ?, ttl = ? WHERE uid = ?");
                    SerializedData data = new SerializedData();
                    chat.serializeToStream(data);
                    state.bindByteArray(1, data.toByteArray());
                    if (chat.a_or_b != null) {
                        state.bindByteArray(2, chat.a_or_b);
                    } else {
                        state.bindByteArray(2, new byte[1]);
                    }
                    if (chat.auth_key != null) {
                        state.bindByteArray(3, chat.auth_key);
                    } else {
                        state.bindByteArray(3, new byte[1]);
                    }
                    state.bindInteger(4, chat.ttl);
                    state.bindInteger(5, chat.id);
                    state.step();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                } finally {
                    if (state != null) {
                        state.dispose();
                    }
                }
            }
        });
    }

    public void getEncryptedChat(final int chat_id, final Semaphore semaphore, final ArrayList<TLObject> result) {
        if (semaphore == null || result == null) {
            return;
        }
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    int userToLoad = 0;
                    SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, user, g, authkey, ttl FROM enc_chats WHERE uid = %d", chat_id));
                    if (cursor.next()) {
                        byte[] chatData = cursor.byteArrayValue(0);
                        if (chatData != null) {
                            SerializedData data = new SerializedData(chatData);
                            TLRPC.EncryptedChat chat = (TLRPC.EncryptedChat)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                            result.add(chat);
                            chat.user_id = cursor.intValue(1);
                            userToLoad = chat.user_id;
                            chat.a_or_b = cursor.byteArrayValue(2);
                            chat.auth_key = cursor.byteArrayValue(3);
                            chat.ttl = cursor.intValue(4);
                        }
                    }
                    cursor.dispose();
                    if (userToLoad != 0) {
                        cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, status FROM users WHERE uid = %d", userToLoad));
                        if (cursor.next()) {
                            byte[] userData = cursor.byteArrayValue(0);
                            if (userData != null) {
                                SerializedData data = new SerializedData(userData);
                                TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                if (user.status != null) {
                                    user.status.was_online = user.status.expires = cursor.intValue(1);
                                }
                                result.add(user);
                            }
                        }
                        cursor.dispose();

                        if (result.size() != 2) {
                            result.clear();
                        }
                    }
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                } finally {
                    semaphore.release();
                }
            }
        });
    }

    public void putEncryptedChat(final TLRPC.EncryptedChat chat, final TLRPC.User user, final TLRPC.TL_dialog dialog) {
        if (chat == null) {
            return;
        }
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    SQLitePreparedStatement state = database.executeFast("REPLACE INTO enc_chats VALUES(?, ?, ?, ?, ?, ?, ?)");
                    SerializedData data = new SerializedData();
                    chat.serializeToStream(data);
                    state.bindInteger(1, chat.id);
                    state.bindInteger(2, user.id);
                    if (user.first_name != null && user.last_name != null) {
                        String name = (user.first_name + " " + user.last_name).toLowerCase();
                        state.bindString(3, name);
                    } else {
                        state.bindString(3, "");
                    }
                    state.bindByteArray(4, data.toByteArray());
                    if (chat.a_or_b != null) {
                        state.bindByteArray(5, chat.a_or_b);
                    } else {
                        state.bindByteArray(5, new byte[1]);
                    }
                    if (chat.auth_key != null) {
                        state.bindByteArray(6, chat.auth_key);
                    } else {
                        state.bindByteArray(6, new byte[1]);
                    }
                    state.bindInteger(7, chat.ttl);
                    state.step();
                    state.dispose();

                    if (dialog != null) {
                        state = database.executeFast("REPLACE INTO dialogs VALUES(?, ?, ?, ?)");
                        state.bindLong(1, dialog.id);
                        state.bindInteger(2, dialog.last_message_date);
                        state.bindInteger(3, dialog.unread_count);
                        state.bindInteger(4, dialog.top_message);
                        state.step();
                        state.dispose();
                    }
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    private void putUsersAndChatsInternal(final ArrayList<TLRPC.User> users, final ArrayList<TLRPC.Chat> chats, final boolean withTransaction) {
        if (Thread.currentThread().getId() != storageQueue.getId()) {
            throw new RuntimeException("wrong db thread");
        }
        try {
            if (withTransaction) {
                database.beginTransaction();
            }
            if (users != null && !users.isEmpty()) {
                SQLitePreparedStatement state = database.executeFast("REPLACE INTO users VALUES(?, ?, ?, ?)");
                for (TLRPC.User user : users) {
                    state.requery();
                    SerializedData data = new SerializedData();
                    user.serializeToStream(data);
                    state.bindInteger(1, user.id);
                    if (user.first_name != null && user.last_name != null) {
                        String name = (user.first_name + " " + user.last_name).toLowerCase();
                        state.bindString(2, name);
                    } else {
                        state.bindString(2, "");
                    }
                    if (user.status != null) {
                        state.bindInteger(3, (user.status.was_online != 0 ? user.status.was_online : user.status.expires));
                    } else {
                        state.bindInteger(3, 0);
                    }
                    state.bindByteArray(4, data.toByteArray());
                    state.step();
                }
                state.dispose();
            }
            if (chats != null && !chats.isEmpty()) {
                SQLitePreparedStatement state = database.executeFast("REPLACE INTO chats VALUES(?, ?, ?)");
                for (TLRPC.Chat chat : chats) {
                    state.requery();
                    SerializedData data = new SerializedData();
                    chat.serializeToStream(data);
                    state.bindInteger(1, chat.id);
                    if (chat.title != null) {
                        String name = chat.title.toLowerCase();
                        state.bindString(2, name);
                    } else {
                        state.bindString(2, "");
                    }
                    state.bindByteArray(3, data.toByteArray());
                    state.step();
                }
                state.dispose();
            }
            if (withTransaction) {
                database.commitTransaction();
            }
        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
    }

    public void putUsersAndChats(final ArrayList<TLRPC.User> users, final ArrayList<TLRPC.Chat> chats, final boolean withTransaction, boolean useQueue) {
        if (users != null && users.isEmpty() && chats != null && chats.isEmpty()) {
            return;
        }
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    putUsersAndChatsInternal(users, chats, withTransaction);
                }
            });
        } else {
            putUsersAndChatsInternal(users, chats, withTransaction);
        }
    }

    private void putMessagesInternal(final ArrayList<TLRPC.Message> messages, final boolean withTransaction) {
        if (Thread.currentThread().getId() != storageQueue.getId()) {
            throw new RuntimeException("wrong db thread");
        }
        try {
            if (withTransaction) {
                database.beginTransaction();
            }
            HashMap<Long, TLRPC.Message> messagesMap = new HashMap<Long, TLRPC.Message>();
            HashMap<Long, Integer> messagesCounts = new HashMap<Long, Integer>();
            HashMap<Long, Integer> mediaCounts = new HashMap<Long, Integer>();
            SQLitePreparedStatement state = database.executeFast("REPLACE INTO messages VALUES(?, ?, ?, ?, ?, ?, ?, ?)");
            SQLitePreparedStatement state2 = database.executeFast("REPLACE INTO media VALUES(?, ?, ?, ?)");
            SQLitePreparedStatement state3 = database.executeFast("REPLACE INTO randoms VALUES(?, ?)");
            for (TLRPC.Message message : messages) {
                long dialog_id = message.dialog_id;
                if (dialog_id == 0) {
                    if (message.to_id.chat_id != 0) {
                        dialog_id = -message.to_id.chat_id;
                    } else if (message.to_id.user_id != 0) {
                        dialog_id = message.to_id.user_id;
                    }
                }

                state.requery();
                int messageId = message.id;
                if (message.local_id != 0) {
                    messageId = message.local_id;
                }

                SerializedData data = new SerializedData();
                message.serializeToStream(data);
                TLRPC.Message lastMessage = messagesMap.get(dialog_id);
                if (lastMessage == null || message.date > lastMessage.date) {
                    messagesMap.put(dialog_id, message);
                }
                if (message.unread && !message.out) {
                    Integer count = messagesCounts.get(dialog_id);
                    if (count == null) {
                        count = 0;
                    }
                    count++;
                    messagesCounts.put(dialog_id, count);
                }
                state.bindInteger(1, messageId);
                state.bindLong(2, dialog_id);
                state.bindInteger(3, (message.unread ? 0 : 1));
                state.bindInteger(4, message.send_state);
                state.bindInteger(5, message.date);
                byte[] bytes = data.toByteArray();
                state.bindByteArray(6, bytes);
                state.bindInteger(7, (message.out ? 1 : 0));
                state.bindInteger(8, message.ttl);
                state.step();

                if (message.random_id != 0) {
                    state3.requery();
                    state3.bindLong(1, message.random_id);
                    state3.bindInteger(2, messageId);
                    state3.step();
                }

                if (message.media instanceof TLRPC.TL_messageMediaVideo || message.media instanceof TLRPC.TL_messageMediaPhoto) {
                    boolean exist = false;
                    SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT mid FROM media WHERE mid = %d LIMIT 1", message.id));
                    if (cursor.next()) {
                        exist = true;
                    }
                    cursor.dispose();

                    state2.requery();
                    state2.bindInteger(1, messageId);
                    state2.bindLong(2, dialog_id);
                    state2.bindInteger(3, message.date);
                    state2.bindByteArray(4, bytes);
                    state2.step();

                    if (!exist) {
                        Integer count = mediaCounts.get(dialog_id);
                        if (count == null) {
                            count = 0;
                        }
                        count++;
                        mediaCounts.put(dialog_id, count);
                    }
                }
            }
            state.dispose();
            state2.dispose();
            state3.dispose();
            state = database.executeFast("REPLACE INTO dialogs VALUES(?, ?, ifnull((SELECT unread_count FROM dialogs WHERE did = ?), 0) + ?, ?)");
            for (HashMap.Entry<Long, TLRPC.Message> pair : messagesMap.entrySet()) {
                state.requery();
                Long key = pair.getKey();
                TLRPC.Message value = pair.getValue();
                Integer unread_count = messagesCounts.get(key);
                if (unread_count == null) {
                    unread_count = 0;
                }
                int messageId = value.id;
                if (value.local_id != 0) {
                    messageId = value.local_id;
                }
                state.bindLong(1, key);
                state.bindInteger(2, value.date);
                state.bindLong(3, key);
                state.bindInteger(4, unread_count);
                state.bindInteger(5, messageId);
                state.step();
            }
            state.dispose();
            if (withTransaction) {
                database.commitTransaction();
            }

            if (!mediaCounts.isEmpty()) {
                state = database.executeFast("REPLACE INTO media_counts VALUES(?, ?)");
                for (HashMap.Entry<Long, Integer> pair : mediaCounts.entrySet()) {
                    long uid = pair.getKey();
                    int lower_part = (int)uid;
                    int count = -1;
                    SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT count FROM media_counts WHERE uid = %d LIMIT 1", uid));
                    if (cursor.next()) {
                        count = cursor.intValue(0);
                    }
                    if (count != -1) {
                        state.requery();
                        count += pair.getValue();
                        state.bindLong(1, uid);
                        state.bindInteger(2, count);
                        state.step();
                    }
                }
                state.dispose();
            }

        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
    }

    public void putMessages(final ArrayList<TLRPC.Message> messages, final boolean withTransaction, boolean useQueue) {
        if (messages.size() == 0) {
            return;
        }
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    putMessagesInternal(messages, withTransaction);
                }
            });
        } else {
            putMessagesInternal(messages, withTransaction);
        }
    }

    private Integer updateMessageStateAndIdInternal(long random_id, Integer _oldId, int newId, int date) {
        if (_oldId != null && _oldId == newId && date != 0) {
            SQLitePreparedStatement state = null;
            try {
                state = database.executeFast("UPDATE messages SET send_state = 0, date = ? WHERE mid = ?");
                state.bindInteger(1, date);
                state.bindInteger(2, newId);
                state.step();
            } catch (Exception e) {
                FileLog.e("tmessages", e);
            } finally {
                if (state != null) {
                    state.dispose();
                }
            }
            return newId;
        } else {
            Integer oldId = _oldId;
            if (oldId == null) {
                SQLiteCursor cursor = null;
                try {
                    cursor = database.queryFinalized(String.format(Locale.US, "SELECT mid FROM randoms WHERE random_id = %d LIMIT 1", random_id));
                    if (cursor.next()) {
                        oldId = cursor.intValue(0);
                    }
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                } finally {
                    if (cursor != null) {
                        cursor.dispose();
                    }
                }
//                if (oldId != null) {
//                    try {
//                        database.executeFast(String.format(Locale.US, "DELETE FROM randoms WHERE random_id = %d", random_id)).stepThis().dispose();
//                    } catch (Exception e) {
//                        FileLog.e("tmessages", e);
//                    }
//                }
            }
            if (oldId == null) {
                return null;
            }

            SQLitePreparedStatement state = null;
            try {
                state = database.executeFast("UPDATE messages SET mid = ?, send_state = 0 WHERE mid = ?");
                state.bindInteger(1, newId);
                state.bindInteger(2, oldId);
                state.step();
            } catch (Exception e) {
                FileLog.e("tmessages", e);
            } finally {
                if (state != null) {
                    state.dispose();
                }
            }

            try {
                state = database.executeFast("UPDATE media SET mid = ? WHERE mid = ?");
                state.bindInteger(1, newId);
                state.bindInteger(2, oldId);
                state.step();
            } catch (Exception e) {
                FileLog.e("tmessages", e);
            } finally {
                if (state != null) {
                    state.dispose();
                }
            }

            try {
                state = database.executeFast("UPDATE dialogs SET last_mid = ? WHERE last_mid = ?");
                state.bindInteger(1, newId);
                state.bindLong(2, oldId);
                state.step();
            } catch (Exception e) {
                FileLog.e("tmessages", e);
            } finally {
                if (state != null) {
                    state.dispose();
                }
            }

            return oldId;
        }
    }

    public Integer updateMessageStateAndId(final long random_id, final Integer _oldId, final int newId, final int date, boolean useQueue) {
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    updateMessageStateAndIdInternal(random_id, _oldId, newId, date);
                }
            });
        } else {
            return updateMessageStateAndIdInternal(random_id, _oldId, newId, date);
        }
        return null;
    }

    private void updateUsersInternal(final ArrayList<TLRPC.User> users, final boolean onlyStatus, final boolean withTransaction) {
        if (Thread.currentThread().getId() != storageQueue.getId()) {
            throw new RuntimeException("wrong db thread");
        }
        try {
            if (onlyStatus) {
                if (withTransaction) {
                    database.beginTransaction();
                }
                SQLitePreparedStatement state = database.executeFast("UPDATE users SET status = ? WHERE uid = ?");
                for (TLRPC.User user : users) {
                    state.requery();
                    if (user.status != null) {
                        state.bindInteger(1, (user.status.was_online != 0 ? user.status.was_online : user.status.expires));
                    } else {
                        state.bindInteger(1, 0);
                    }
                    state.bindInteger(2, user.id);
                    state.step();
                }
                state.dispose();
                if (withTransaction) {
                    database.commitTransaction();
                }
            } else {
                String ids = "";
                HashMap<Integer, TLRPC.User> usersDict = new HashMap<Integer, TLRPC.User>();
                for (TLRPC.User user : users) {
                    if (ids.length() != 0) {
                        ids += ",";
                    }
                    ids += user.id;
                    usersDict.put(user.id, user);
                }
                ArrayList<TLRPC.User> loadedUsers = new ArrayList<TLRPC.User>();
                SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, status FROM users WHERE uid IN(%s)", ids));
                while (cursor.next()) {
                    byte[] userData = cursor.byteArrayValue(0);
                    if (userData != null) {
                        SerializedData data = new SerializedData(userData);
                        TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                        loadedUsers.add(user);
                        if (user.status != null) {
                            user.status.was_online = user.status.expires = cursor.intValue(1);
                        }
                        TLRPC.User updateUser = usersDict.get(user.id);
                        if (updateUser.first_name != null && updateUser.last_name != null) {
                            user.first_name = updateUser.first_name;
                            user.last_name = updateUser.last_name;
                        } else if (updateUser.photo != null) {
                            user.photo = updateUser.photo;
                        }
                    }
                }
                cursor.dispose();
                if (!loadedUsers.isEmpty()) {
                    if (withTransaction) {
                        database.beginTransaction();
                    }
                    SQLitePreparedStatement state = database.executeFast("REPLACE INTO users VALUES(?, ?, ?, ?)");
                    for (TLRPC.User user : loadedUsers) {
                        state.requery();
                        SerializedData data = new SerializedData();
                        user.serializeToStream(data);
                        state.bindInteger(1, user.id);
                        if (user.first_name != null && user.last_name != null) {
                            String name = (user.first_name + " " + user.last_name).toLowerCase();
                            state.bindString(2, name);
                        } else {
                            state.bindString(2, "");
                        }
                        if (user.status != null) {
                            state.bindInteger(3, (user.status.was_online != 0 ? user.status.was_online : user.status.expires));
                        } else {
                            state.bindInteger(3, 0);
                        }
                        state.bindByteArray(4, data.toByteArray());
                        state.step();
                    }
                    state.dispose();
                    if (withTransaction) {
                        database.commitTransaction();
                    }
                }
            }
        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
    }

    public void updateUsers(final ArrayList<TLRPC.User> users, final boolean onlyStatus, final boolean withTransaction, boolean useQueue) {
        if (users.isEmpty()) {
            return;
        }
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    updateUsersInternal(users, onlyStatus, withTransaction);
                }
            });
        } else {
            updateUsersInternal(users, onlyStatus, withTransaction);
        }
    }

    private void markMessagesAsReadInternal(final ArrayList<Integer> messages, HashMap<Integer, Integer> encryptedMessages) {
        if (Thread.currentThread().getId() != storageQueue.getId()) {
            throw new RuntimeException("wrong db thread");
        }
        try {
            if (messages != null && !messages.isEmpty()) {
                String ids = "";
                for (int uid : messages) {
                    if (ids.length() != 0) {
                        ids += ",";
                    }
                    ids += uid;
                }
                database.executeFast(String.format(Locale.US, "UPDATE messages SET read_state = 1 WHERE mid IN (%s)", ids)).stepThis().dispose();
            }
            if (encryptedMessages != null && !encryptedMessages.isEmpty()) {
                for (HashMap.Entry<Integer, Integer> entry : encryptedMessages.entrySet()) {
                    long dialog_id = ((long)entry.getKey()) << 32;
                    int max_date = entry.getValue();
                    SQLitePreparedStatement state = database.executeFast("UPDATE messages SET read_state = 1 WHERE uid = ? AND date <= ? AND read_state = 0 AND out = 1");
                    state.requery();
                    state.bindLong(1, dialog_id);
                    state.bindInteger(2, max_date);
                    state.step();
                    state.dispose();
                }
            }
        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
    }

    public void markMessagesAsRead(final ArrayList<Integer> messages, final HashMap<Integer, Integer> encryptedMessages, boolean useQueue) {
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    markMessagesAsReadInternal(messages, encryptedMessages);
                }
            });
        } else {
            markMessagesAsReadInternal(messages, encryptedMessages);
        }
    }

    private void markMessagesAsDeletedInternal(final ArrayList<Integer> messages) {
        if (Thread.currentThread().getId() != storageQueue.getId()) {
            throw new RuntimeException("wrong db thread");
        }
        try {
            String ids = "";
            for (int uid : messages) {
                if (ids.length() != 0) {
                    ids += ",";
                }
                ids += uid;
            }
            database.executeFast(String.format(Locale.US, "DELETE FROM messages WHERE mid IN (%s)", ids)).stepThis().dispose();
            database.executeFast(String.format(Locale.US, "DELETE FROM media WHERE mid IN (%s)", ids)).stepThis().dispose();
            database.executeFast("DELETE FROM media_counts WHERE 1").stepThis().dispose();

        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
    }

    private void updateDialogsWithDeletedMessagesInternal(final ArrayList<Integer> messages) {
        if (Thread.currentThread().getId() != storageQueue.getId()) {
            throw new RuntimeException("wrong db thread");
        }
        try {
            String ids = "";
            for (int uid : messages) {
                if (ids.length() != 0) {
                    ids += ",";
                }
                ids += uid;
            }
            SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT did FROM dialogs WHERE last_mid IN(%s)", ids));
            ArrayList<Long> dialogsToUpdate = new ArrayList<Long>();
            while (cursor.next()) {
                dialogsToUpdate.add(cursor.longValue(0));
            }
            cursor.dispose();
            database.beginTransaction();
            SQLitePreparedStatement state = database.executeFast("UPDATE dialogs SET last_mid = (SELECT mid FROM messages WHERE uid = ? AND date = (SELECT MAX(date) FROM messages WHERE uid = ? )) WHERE did = ?");
            for (long did : dialogsToUpdate) {
                state.requery();
                state.bindLong(1, did);
                state.bindLong(2, did);
                state.bindLong(3, did);
                state.step();
            }
            state.dispose();
            database.commitTransaction();

            ids = "";
            for (long uid : dialogsToUpdate) {
                if (ids.length() != 0) {
                    ids += ",";
                }
                ids += uid;
            }

            TLRPC.messages_Dialogs dialogs = new TLRPC.messages_Dialogs();
            ArrayList<TLRPC.EncryptedChat> encryptedChats = new ArrayList<TLRPC.EncryptedChat>();
            ArrayList<Integer> usersToLoad = new ArrayList<Integer>();
            ArrayList<Integer> chatsToLoad = new ArrayList<Integer>();
            ArrayList<Integer> encryptedToLoad = new ArrayList<Integer>();
            cursor = database.queryFinalized(String.format(Locale.US, "SELECT d.did, d.last_mid, d.unread_count, d.date, m.data, m.read_state, m.mid, m.send_state FROM dialogs as d LEFT JOIN messages as m ON d.last_mid = m.mid WHERE d.did IN(%s)", ids));
            while (cursor.next()) {
                TLRPC.TL_dialog dialog = new TLRPC.TL_dialog();
                dialog.id = cursor.longValue(0);
                dialog.top_message = cursor.intValue(1);
                dialog.unread_count = cursor.intValue(2);
                dialog.last_message_date = cursor.intValue(3);
                dialogs.dialogs.add(dialog);

                byte[] messageData = cursor.byteArrayValue(4);
                if (messageData != null) {
                    SerializedData data = new SerializedData(messageData);
                    TLRPC.Message message = (TLRPC.Message)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                    message.unread = (cursor.intValue(5) != 1);
                    message.id = cursor.intValue(6);
                    message.send_state = cursor.intValue(7);
                    dialogs.messages.add(message);

                    if (!usersToLoad.contains(message.from_id)) {
                        usersToLoad.add(message.from_id);
                    }
                    if (message.action != null && message.action.user_id != 0) {
                        if (!usersToLoad.contains(message.action.user_id)) {
                            usersToLoad.add(message.action.user_id);
                        }
                    }
                    if (message.fwd_from_id != 0) {
                        if (!usersToLoad.contains(message.fwd_from_id)) {
                            usersToLoad.add(message.fwd_from_id);
                        }
                    }
                }

                int lower_id = (int)dialog.id;
                if (lower_id != 0) {
                    if (lower_id > 0) {
                        if (!usersToLoad.contains(lower_id)) {
                            usersToLoad.add(lower_id);
                        }
                    } else {
                        if (!chatsToLoad.contains(-lower_id)) {
                            chatsToLoad.add(-lower_id);
                        }
                    }
                } else {
                    int encryptedId = (int)(dialog.id >> 32);
                    if (!encryptedToLoad.contains(encryptedId)) {
                        encryptedToLoad.add(encryptedId);
                    }
                }
            }
            cursor.dispose();

            if (!encryptedToLoad.isEmpty()) {
                String toLoad = "";
                for (int uid : encryptedToLoad) {
                    if (toLoad.length() != 0) {
                        toLoad += ",";
                    }
                    toLoad += uid;
                }
                cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, user, g, authkey, ttl FROM enc_chats WHERE uid IN(%s)", toLoad));
                while (cursor.next()) {
                    byte[] chatData = cursor.byteArrayValue(0);
                    if (chatData != null) {
                        SerializedData data = new SerializedData(chatData);
                        TLRPC.EncryptedChat chat = (TLRPC.EncryptedChat)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                        encryptedChats.add(chat);
                        chat.user_id = cursor.intValue(1);
                        if (!usersToLoad.contains(chat.user_id)) {
                            usersToLoad.add(chat.user_id);
                        }
                        chat.a_or_b = cursor.byteArrayValue(2);
                        chat.auth_key = cursor.byteArrayValue(3);
                        chat.ttl = cursor.intValue(4);
                    }
                }
                cursor.dispose();
            }

            if (!chatsToLoad.isEmpty()) {
                String toLoad = "";
                for (int uid : chatsToLoad) {
                    if (toLoad.length() != 0) {
                        toLoad += ",";
                    }
                    toLoad += uid;
                }
                cursor = database.queryFinalized(String.format(Locale.US, "SELECT data FROM chats WHERE uid IN(%s)", toLoad));
                while (cursor.next()) {
                    byte[] chatData = cursor.byteArrayValue(0);
                    if (chatData != null) {
                        SerializedData data = new SerializedData(chatData);
                        TLRPC.Chat chat = (TLRPC.Chat)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                        dialogs.chats.add(chat);
                    }
                }
                cursor.dispose();
            }

            if (!usersToLoad.isEmpty()) {
                String toLoad = "";
                for (int uid : usersToLoad) {
                    if (toLoad.length() != 0) {
                        toLoad += ",";
                    }
                    toLoad += uid;
                }
                cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, status FROM users WHERE uid IN(%s)", toLoad));
                while (cursor.next()) {
                    byte[] userData = cursor.byteArrayValue(0);
                    if (userData != null) {
                        SerializedData data = new SerializedData(userData);
                        TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                        if (user.status != null) {
                            user.status.was_online = user.status.expires = cursor.intValue(1);
                        }
                        dialogs.users.add(user);
                    }
                }
                cursor.dispose();
            }

            if (!dialogs.dialogs.isEmpty() || !encryptedChats.isEmpty()) {
                MessagesController.Instance.processDialogsUpdate(dialogs, encryptedChats);
            }
        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
    }

    public void updateDialogsWithDeletedMessages(final ArrayList<Integer> messages, boolean useQueue) {
        if (messages.isEmpty()) {
            return;
        }
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    updateDialogsWithDeletedMessagesInternal(messages);
                }
            });
        } else {
            updateDialogsWithDeletedMessagesInternal(messages);
        }
    }

    public void markMessagesAsDeleted(final ArrayList<Integer> messages, boolean useQueue) {
        if (messages.isEmpty()) {
            return;
        }
        if (useQueue) {
            storageQueue.postRunnable(new Runnable() {
                @Override
                public void run() {
                    markMessagesAsDeletedInternal(messages);
                }
            });
        } else {
            markMessagesAsDeletedInternal(messages);
        }
    }

    public void putMessages(final TLRPC.messages_Messages messages, final long dialog_id) {
        if (messages.messages.isEmpty()) {
            return;
        }
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    database.beginTransaction();
                    if (!messages.messages.isEmpty()) {
                        SQLitePreparedStatement state = database.executeFast("REPLACE INTO messages VALUES(?, ?, ?, ?, ?, ?, ?, ?)");
                        SQLitePreparedStatement state2 = database.executeFast("REPLACE INTO media VALUES(?, ?, ?, ?)");
                        for (TLRPC.Message message : messages.messages) {
                            state.requery();
                            SerializedData data = new SerializedData();
                            message.serializeToStream(data);
                            state.bindInteger(1, message.id);
                            state.bindLong(2, dialog_id);
                            state.bindInteger(3, (message.unread ? 0 : 1));
                            state.bindInteger(4, message.send_state);
                            state.bindInteger(5, message.date);
                            byte[] bytes = data.toByteArray();
                            state.bindByteArray(6, bytes);
                            state.bindInteger(7, (message.out ? 1 : 0));
                            state.bindInteger(8, 0);
                            state.step();

                            if (message.media instanceof TLRPC.TL_messageMediaVideo || message.media instanceof TLRPC.TL_messageMediaPhoto) {
                                state2.requery();
                                state2.bindInteger(1, message.id);
                                state2.bindLong(2, dialog_id);
                                state2.bindInteger(3, message.date);
                                state2.bindByteArray(4, bytes);
                                state2.step();
                            }
                        }
                        state.dispose();
                        state2.dispose();
                    }
                    if (!messages.users.isEmpty()) {
                        SQLitePreparedStatement state = database.executeFast("REPLACE INTO users VALUES(?, ?, ?, ?)");
                        for (TLRPC.User user : messages.users) {
                            state.requery();
                            SerializedData data = new SerializedData();
                            user.serializeToStream(data);
                            state.bindInteger(1, user.id);
                            if (user.first_name != null && user.last_name != null) {
                                String name = (user.first_name + " " + user.last_name).toLowerCase();
                                state.bindString(2, name);
                            } else {
                                state.bindString(2, "");
                            }
                            if (user.status != null) {
                                state.bindInteger(3, (user.status.was_online != 0 ? user.status.was_online : user.status.expires));
                            } else {
                                state.bindInteger(3, 0);
                            }
                            state.bindByteArray(4, data.toByteArray());
                            state.step();
                        }
                        state.dispose();
                    }
                    if (!messages.chats.isEmpty()) {
                        SQLitePreparedStatement state = database.executeFast("REPLACE INTO chats VALUES(?, ?, ?)");
                        for (TLRPC.Chat chat : messages.chats) {
                            state.requery();
                            SerializedData data = new SerializedData();
                            chat.serializeToStream(data);
                            state.bindInteger(1, chat.id);
                            if (chat.title != null) {
                                String name = chat.title.toLowerCase();
                                state.bindString(2, name);
                            } else {
                                state.bindString(2, "");
                            }
                            state.bindByteArray(3, data.toByteArray());
                            state.step();
                        }
                        state.dispose();
                    }

                    database.commitTransaction();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }

    public void getDialogs(final int offset, final int serverOffset, final int count) {
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                TLRPC.messages_Dialogs dialogs = new TLRPC.messages_Dialogs();
                ArrayList<TLRPC.EncryptedChat> encryptedChats = new ArrayList<TLRPC.EncryptedChat>();
                try {
                    ArrayList<Integer> usersToLoad = new ArrayList<Integer>();
                    usersToLoad.add(UserConfig.clientUserId);
                    ArrayList<Integer> chatsToLoad = new ArrayList<Integer>();
                    ArrayList<Integer> encryptedToLoad = new ArrayList<Integer>();
                    SQLiteCursor cursor = database.queryFinalized(String.format(Locale.US, "SELECT d.did, d.last_mid, d.unread_count, d.date, m.data, m.read_state, m.mid, m.send_state FROM dialogs as d LEFT JOIN messages as m ON d.last_mid = m.mid ORDER BY d.date DESC LIMIT %d,%d", offset, count));
                    while (cursor.next()) {
                        TLRPC.TL_dialog dialog = new TLRPC.TL_dialog();
                        dialog.id = cursor.longValue(0);
                        dialog.top_message = cursor.intValue(1);
                        dialog.unread_count = cursor.intValue(2);
                        dialog.last_message_date = cursor.intValue(3);
                        dialogs.dialogs.add(dialog);

                        byte[] messageData = cursor.byteArrayValue(4);
                        if (messageData != null) {
                            SerializedData data = new SerializedData(messageData);
                            TLRPC.Message message = (TLRPC.Message)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                            if (message != null) {
                                message.unread = (cursor.intValue(5) != 1);
                                message.id = cursor.intValue(6);
                                message.send_state = cursor.intValue(7);
                                dialogs.messages.add(message);

                                if (!usersToLoad.contains(message.from_id)) {
                                    usersToLoad.add(message.from_id);
                                }
                                if (message.action != null && message.action.user_id != 0) {
                                    if (!usersToLoad.contains(message.action.user_id)) {
                                        usersToLoad.add(message.action.user_id);
                                    }
                                }
                                if (message.fwd_from_id != 0) {
                                    if (!usersToLoad.contains(message.fwd_from_id)) {
                                        usersToLoad.add(message.fwd_from_id);
                                    }
                                }
                            }
                        }

                        int lower_id = (int)dialog.id;
                        if (lower_id != 0) {
                            if (lower_id > 0) {
                                if (!usersToLoad.contains(lower_id)) {
                                    usersToLoad.add(lower_id);
                                }
                            } else {
                                if (!chatsToLoad.contains(-lower_id)) {
                                    chatsToLoad.add(-lower_id);
                                }
                            }
                        } else {
                            int encryptedId = (int)(dialog.id >> 32);
                            if (!encryptedToLoad.contains(encryptedId)) {
                                encryptedToLoad.add(encryptedId);
                            }
                        }
                    }
                    cursor.dispose();

                    if (!encryptedToLoad.isEmpty()) {
                        String toLoad = "";
                        for (int uid : encryptedToLoad) {
                            if (toLoad.length() != 0) {
                                toLoad += ",";
                            }
                            toLoad += uid;
                        }
                        cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, user, g, authkey, ttl FROM enc_chats WHERE uid IN(%s)", toLoad));
                        while (cursor.next()) {
                            try {
                                byte[] chatData = cursor.byteArrayValue(0);
                                if (chatData != null) {
                                    SerializedData data = new SerializedData(chatData);
                                    TLRPC.EncryptedChat chat = (TLRPC.EncryptedChat)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                    if (chat != null) {
                                        encryptedChats.add(chat);
                                        chat.user_id = cursor.intValue(1);
                                        if (!usersToLoad.contains(chat.user_id)) {
                                            usersToLoad.add(chat.user_id);
                                        }
                                        chat.a_or_b = cursor.byteArrayValue(2);
                                        chat.auth_key = cursor.byteArrayValue(3);
                                        chat.ttl = cursor.intValue(4);
                                    }
                                }
                            } catch (Exception e) {
                                FileLog.e("tmessages", e);
                            }
                        }
                        cursor.dispose();
                    }

                    if (!chatsToLoad.isEmpty()) {
                        String toLoad = "";
                        for (int uid : chatsToLoad) {
                            if (toLoad.length() != 0) {
                                toLoad += ",";
                            }
                            toLoad += uid;
                        }
                        cursor = database.queryFinalized(String.format(Locale.US, "SELECT data FROM chats WHERE uid IN(%s)", toLoad));
                        while (cursor.next()) {
                            try {
                                byte[] chatData = cursor.byteArrayValue(0);
                                if (chatData != null) {
                                    SerializedData data = new SerializedData(chatData);
                                    TLRPC.Chat chat = (TLRPC.Chat)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                    if (chat != null) {
                                        dialogs.chats.add(chat);
                                    }
                                }
                            } catch (Exception e) {
                                FileLog.e("tmessages", e);
                            }
                        }
                        cursor.dispose();
                    }

                    if (!usersToLoad.isEmpty()) {
                        String toLoad = "";
                        for (int uid : usersToLoad) {
                            if (toLoad.length() != 0) {
                                toLoad += ",";
                            }
                            toLoad += uid;
                        }
                        cursor = database.queryFinalized(String.format(Locale.US, "SELECT data, status FROM users WHERE uid IN(%s)", toLoad));
                        while (cursor.next()) {
                            try {
                                byte[] userData = cursor.byteArrayValue(0);
                                if (userData != null) {
                                    SerializedData data = new SerializedData(userData);
                                    TLRPC.User user = (TLRPC.User)TLClassStore.Instance().TLdeserialize(data, data.readInt32());
                                    if (user != null) {
                                        if (user.status != null) {
                                            user.status.was_online = user.status.expires = cursor.intValue(1);
                                        }
                                        dialogs.users.add(user);
                                    }
                                }
                            } catch (Exception e) {
                                FileLog.e("tmessages", e);
                            }
                        }
                        cursor.dispose();
                    }
                    MessagesController.Instance.processLoadedDialogs(dialogs, encryptedChats, offset, serverOffset, count, true, false);
                } catch (Exception e) {
                    dialogs.dialogs.clear();
                    dialogs.users.clear();
                    dialogs.chats.clear();
                    encryptedChats.clear();
                    FileLog.e("tmessages", e);
                    /*try {
                        database.executeFast("DELETE FROM dialogs WHERE 1").stepThis().dispose();
                    } catch (Exception e2) {
                        FileLog.e("tmessages", e);
                    }*/
                    MessagesController.Instance.processLoadedDialogs(dialogs, encryptedChats, 0, 0, 100, true, true);
                }
            }
        });
    }

    public void putDialogs(final TLRPC.messages_Dialogs dialogs) {
        if (dialogs.dialogs.isEmpty()) {
            return;
        }
        storageQueue.postRunnable(new Runnable() {
            @Override
            public void run() {
                try {
                    database.beginTransaction();
                    final HashMap<Integer, TLRPC.Message> new_dialogMessage = new HashMap<Integer, TLRPC.Message>();
                    for (TLRPC.Message message : dialogs.messages) {
                        new_dialogMessage.put(message.id, message);
                    }

                    if (!dialogs.dialogs.isEmpty()) {
                        SQLitePreparedStatement state = database.executeFast("REPLACE INTO messages VALUES(?, ?, ?, ?, ?, ?, ?, ?)");
                        SQLitePreparedStatement state2 = database.executeFast("REPLACE INTO dialogs VALUES(?, ?, ?, ?)");
                        SQLitePreparedStatement state3 = database.executeFast("REPLACE INTO media VALUES(?, ?, ?, ?)");

                        for (TLRPC.TL_dialog dialog : dialogs.dialogs) {
                            state.requery();
                            state2.requery();
                            int uid = dialog.peer.user_id;
                            if (uid == 0) {
                                uid = -dialog.peer.chat_id;
                            }
                            TLRPC.Message message = new_dialogMessage.get(dialog.top_message);
                            SerializedData data = new SerializedData();
                            message.serializeToStream(data);

                            state.bindInteger(1, message.id);
                            state.bindInteger(2, uid);
                            state.bindInteger(3, (message.unread ? 0 : 1));
                            state.bindInteger(4, message.send_state);
                            state.bindInteger(5, message.date);
                            byte[] bytes = data.toByteArray();
                            state.bindByteArray(6, bytes);
                            state.bindInteger(7, (message.out ? 1 : 0));
                            state.bindInteger(8, 0);
                            state.step();

                            state2.bindLong(1, uid);
                            state2.bindInteger(2, message.date);
                            state2.bindInteger(3, dialog.unread_count);
                            state2.bindInteger(4, dialog.top_message);
                            state2.step();

                            if (message.media instanceof TLRPC.TL_messageMediaVideo || message.media instanceof TLRPC.TL_messageMediaPhoto) {
                                state3.requery();
                                state3.bindLong(1, message.id);
                                state3.bindInteger(2, uid);
                                state3.bindInteger(3, message.date);
                                state3.bindByteArray(4, bytes);
                                state3.step();
                            }
                        }
                        state.dispose();
                        state2.dispose();
                        state3.dispose();
                    }

                    if (!dialogs.users.isEmpty()) {
                        SQLitePreparedStatement state = database.executeFast("REPLACE INTO users VALUES(?, ?, ?, ?)");
                        for (TLRPC.User user : dialogs.users) {
                            state.requery();
                            SerializedData data = new SerializedData();
                            user.serializeToStream(data);
                            state.bindInteger(1, user.id);
                            if (user.first_name != null && user.last_name != null) {
                                String name = (user.first_name + " " + user.last_name).toLowerCase();
                                state.bindString(2, name);
                            } else {
                                state.bindString(2, "");
                            }
                            if (user.status != null) {
                                state.bindInteger(3, (user.status.was_online != 0 ? user.status.was_online : user.status.expires));
                            } else {
                                state.bindInteger(3, 0);
                            }
                            state.bindByteArray(4, data.toByteArray());
                            state.step();
                        }
                        state.dispose();
                    }

                    if (!dialogs.chats.isEmpty()) {
                        SQLitePreparedStatement state = database.executeFast("REPLACE INTO chats VALUES(?, ?, ?)");
                        for (TLRPC.Chat chat : dialogs.chats) {
                            state.requery();
                            SerializedData data = new SerializedData();
                            chat.serializeToStream(data);
                            state.bindInteger(1, chat.id);
                            if (chat.title != null) {
                                String name = chat.title.toLowerCase();
                                state.bindString(2, name);
                            } else {
                                state.bindString(2, "");
                            }
                            state.bindByteArray(3, data.toByteArray());
                            state.step();
                        }
                        state.dispose();
                    }

                    database.commitTransaction();
                } catch (Exception e) {
                    FileLog.e("tmessages", e);
                }
            }
        });
    }
}
