//import apiManager from '../mtproto/apiManager';
import apiManager from '../mtproto/mtprotoworker';
import { $rootScope, numberWithCommas, findUpClassName, formatNumber, placeCaretAtEnd, findUpTag, langPack, whichChild } from "../utils";
import appUsersManager from "./appUsersManager";
import appMessagesManager, { Dialog } from "./appMessagesManager";
import appPeersManager from "./appPeersManager";
import appProfileManager from "./appProfileManager";
import appDialogsManager from "./appDialogsManager";
import { RichTextProcessor } from "../richtextprocessor";
import appPhotosManager from "./appPhotosManager";
import appSidebarRight from './appSidebarRight';

import { logger } from "../polyfill";
import lottieLoader from "../lottieLoader";
import appMediaViewer from "./appMediaViewer";
import appSidebarLeft from "./appSidebarLeft";
import appChatsManager from "./appChatsManager";
import apiUpdatesManager from './apiUpdatesManager';
import { wrapDocument, wrapPhoto, wrapVideo, wrapSticker, wrapReply, wrapAlbum, wrapPoll } from '../../components/wrappers';
import ProgressivePreloader from '../../components/preloader';
import { openBtnMenu, formatPhoneNumber, positionMenu, ripple, parseMenuButtonsTo } from '../../components/misc';
import { ChatInput } from '../../components/chatInput';
//import Scrollable from '../../components/scrollable';
import Scrollable from '../../components/scrollable_new';
import BubbleGroups from '../../components/bubbleGroups';
import LazyLoadQueue from '../../components/lazyLoadQueue';
import appDocsManager from './appDocsManager';
import appForward from '../../components/appForward';
import appStickersManager from './appStickersManager';
import AvatarElement from '../../components/avatar';
import appInlineBotsManager from './AppInlineBotsManager';
import StickyIntersector from '../../components/stickyIntersector';
import { PopupPeerButton, PopupPeer } from '../../components/popup';

console.log('appImManager included!');

appSidebarLeft; // just to include

let testScroll = false;

const IGNOREACTIONS = ['messageActionChannelMigrateFrom'];

class ChatContextMenu {
  private element = document.getElementById('bubble-contextmenu') as HTMLDivElement;
  private buttons: {
    reply: HTMLButtonElement,
    edit: HTMLButtonElement,
    copy: HTMLButtonElement,
    pin: HTMLButtonElement,
    forward: HTMLButtonElement,
    delete: HTMLButtonElement
  } = {} as any;
  public msgID: number;

  constructor(private attachTo: HTMLElement) {
    parseMenuButtonsTo(this.buttons, this.element.children);

    attachTo.addEventListener('contextmenu', e => {
      let bubble: HTMLDivElement = null;

      try {
        bubble = findUpClassName(e.target, 'bubble__container');
      } catch(e) {}

      if(!bubble) return;

      e.preventDefault();
      if(this.element.classList.contains('active')) {
        return false;
      }
      e.cancelBubble = true;
      
      bubble = bubble.parentElement as HTMLDivElement; // bc container
      
      let msgID = +bubble.dataset.mid;
      if(!msgID) return;

      let peerID = $rootScope.selectedPeerID;
      this.msgID = msgID;

      const message = appMessagesManager.getMessage(msgID);

      this.buttons.copy.style.display = message.message ? '' : 'none';
      
      if($rootScope.myID == peerID || (peerID < 0 && appChatsManager.hasRights(-peerID, 'pin'))) {
        this.buttons.pin.style.display = '';
      } else {
        this.buttons.pin.style.display = 'none';
      }
      
      this.buttons.edit.style.display = appMessagesManager.canEditMessage(msgID) ? '' : 'none';
      
      let side: 'left' | 'right' = bubble.classList.contains('is-in') ? 'left' : 'right';
      positionMenu(e, this.element, side);
      openBtnMenu(this.element);
      
      /////this.log('contextmenu', e, bubble, msgID, side);
    });

    this.buttons.copy.addEventListener('click', () => {
      let message = appMessagesManager.getMessage(this.msgID);
      
      let str = message ? message.message : '';
      
      var textArea = document.createElement("textarea");
      textArea.value = str;
      textArea.style.position = "fixed";  //avoid scrolling to bottom
      document.body.appendChild(textArea);
      textArea.focus();
      textArea.select();
      
      try {
        document.execCommand('copy');
      } catch (err) {
        console.error('Oops, unable to copy', err);
      }
      
      document.body.removeChild(textArea);
    });

    this.buttons.delete.addEventListener('click', () => {
      let peerID = $rootScope.selectedPeerID;
      let firstName = appPeersManager.getPeerTitle(peerID, false, true);

      let callback = (revoke: boolean) => {
        appMessagesManager.deleteMessages([this.msgID], revoke);
      };

      let title: string, description: string, buttons: PopupPeerButton[];
      title = 'Delete Message?';
      description = `Are you sure you want to delete this message?`;

      if(peerID == $rootScope.myID) {
        buttons = [{
          text: 'DELETE',
          isDanger: true,
          callback: () => callback(false)
        }];
      } else {
        buttons = [{
          text: 'DELETE JUST FOR ME',
          isDanger: true,
          callback: () => callback(false)
        }];

        if(peerID > 0) {
          buttons.push({
            text: 'DELETE FOR ME AND ' + firstName,
            isDanger: true,
            callback: () => callback(true)
          });
        } else if(appChatsManager.hasRights(-peerID, 'deleteRevoke')) {
          buttons.push({
            text: 'DELETE FOR ALL',
            isDanger: true,
            callback: () => callback(true)
          });
        }
      }

      buttons.push({
        text: 'CANCEL',
        isCancel: true
      });

      let popup = new PopupPeer('popup-delete-chat', {
        peerID: peerID,
        title: title,
        description: description,
        buttons: buttons
      });

      popup.show();
    });
    
    this.buttons.reply.addEventListener('click', () => {
      const message = appMessagesManager.getMessage(this.msgID);
      const chatInputC = appImManager.chatInputC;
      chatInputC.setTopInfo(appPeersManager.getPeerTitle(message.fromID, true), message.message, undefined, message);
      chatInputC.replyToMsgID = this.msgID;
      chatInputC.editMsgID = 0;
    });

    this.buttons.forward.addEventListener('click', () => {
      appForward.init([this.msgID]);
    });
    
    this.buttons.edit.addEventListener('click', () => {
      const message = appMessagesManager.getMessage(this.msgID);
      const chatInputC = appImManager.chatInputC;
      chatInputC.setTopInfo('Editing', message.message, message.message, message);
      chatInputC.replyToMsgID = 0;
      chatInputC.editMsgID = this.msgID;
    });
    
    this.buttons.pin.addEventListener('click', () => {
      apiManager.invokeApi('messages.updatePinnedMessage', {
        flags: 0,
        peer: appPeersManager.getInputPeerByID($rootScope.selectedPeerID),
        id: this.msgID
      }).then(updates => {
        /////this.log('pinned updates:', updates);
        apiUpdatesManager.processUpdateMessage(updates);
      });
    });
  }
}

export class AppImManager {
  public pageEl = document.getElementById('page-chats') as HTMLDivElement;
  public btnMute = this.pageEl.querySelector('.tool-mute') as HTMLButtonElement;
  public btnMenuMute = this.pageEl.querySelector('.menu-mute') as HTMLButtonElement;
  public avatarEl = document.getElementById('im-avatar') as AvatarElement;
  public titleEl = document.getElementById('im-title') as HTMLDivElement;
  public subtitleEl = document.getElementById('im-subtitle') as HTMLDivElement;
  public bubblesContainer = document.getElementById('bubbles') as HTMLDivElement;
  public chatInner = document.getElementById('bubbles-inner') as HTMLDivElement;
  public searchBtn = this.pageEl.querySelector('.chat-search-button') as HTMLButtonElement;
  public goDownBtn = this.pageEl.querySelector('#bubbles-go-down') as HTMLButtonElement;
  private getHistoryTopPromise: Promise<boolean>;
  private getHistoryBottomPromise: Promise<boolean>;
  
  public chatInputC: ChatInput = null;
  
  public myID = 0;
  public peerID = 0;

  public bubbles: {[mid: string]: HTMLDivElement} = {};
  public dateMessages: {[timestamp: number]: { 
    div: HTMLDivElement, 
    firstTimestamp: number, 
    container: HTMLDivElement,
    timeout?: number 
  }} = {};
  public unreadOut = new Set<number>();
  public needUpdate: {replyMid: number, mid: number}[] = []; // if need wrapSingleMessage
  
  public offline = false;
  public updateStatusInterval = 0;
  
  public pinnedMsgID = 0;
  private pinnedMessageContainer = this.pageEl.querySelector('.pinned-message') as HTMLDivElement;
  private pinnedMessageContent = this.pinnedMessageContainer.querySelector('.pinned-message-subtitle') as HTMLDivElement;
  
  public lazyLoadQueue = new LazyLoadQueue();
  
  public scroll: HTMLDivElement = null;
  public scrollable: Scrollable = null;

  public log: ReturnType<typeof logger>;
  
  private preloader: ProgressivePreloader = null;
  
  private typingTimeouts: {[peerID: number]: number} = {};
  private typingUsers: {[userID: number]: number} = {} // to peerID
  
  private topbar = document.getElementById('topbar') as HTMLDivElement;
  private chatInput = document.getElementById('chat-input') as HTMLDivElement;
  private scrolledAll: boolean;
  private scrolledAllDown: boolean;
  
  public contextMenu = new ChatContextMenu(this.bubblesContainer);

  private popupDeleteMessage: {
    popupEl?: HTMLDivElement,
    deleteBothBtn?: HTMLButtonElement,
    deleteMeBtn?: HTMLButtonElement,
    cancelBtn?: HTMLButtonElement
  } = {};
  
  private setPeerPromise: Promise<boolean> = null;
  
  public bubbleGroups = new BubbleGroups();

  private scrolledDown = true;
  private onScrollRAF = 0;
  private isScrollingTimeout = 0;

  private unreadedObserver: IntersectionObserver = null;
  private unreaded: number[] = [];

  private loadedTopTimes = 0;
  private loadedBottomTimes = 0;

  private messagesQueuePromise: Promise<void> = null;
  private messagesQueue: {message: any, bubble: HTMLDivElement, reverse: boolean, promises: Promise<void>[]}[] = [];
  private messagesQueueOnRender: () => void = null;

  private peerChanged: boolean;
  private firstUnreadBubble: HTMLDivElement = null;

  private stickyIntersector: StickyIntersector = null;

  constructor() {
    /* if(!lottieLoader.loaded) {
      lottieLoader.loadLottie();
    } */
    
    this.log = logger('IM');
    
    this.chatInputC = new ChatInput();
    
    this.preloader = new ProgressivePreloader(null, false);
    
    this.popupDeleteMessage.popupEl = this.pageEl.querySelector('.popup-delete-message') as HTMLDivElement;
    this.popupDeleteMessage.deleteBothBtn = this.popupDeleteMessage.popupEl.querySelector('.popup-delete-both') as HTMLButtonElement;
    this.popupDeleteMessage.deleteMeBtn = this.popupDeleteMessage.popupEl.querySelector('.popup-delete-me') as HTMLButtonElement;
    this.popupDeleteMessage.cancelBtn = this.popupDeleteMessage.popupEl.querySelector('.popup-close') as HTMLButtonElement;
    
    apiManager.getUserID().then((id) => {
      this.myID = $rootScope.myID = id;
    });

    $rootScope.$on('user_auth', (e: CustomEvent) => {
      let userAuth = e.detail;
      this.myID = $rootScope.myID = userAuth ? userAuth.id : 0;
    });
    
    // will call when message is sent (only 1)
    $rootScope.$on('history_append', (e: CustomEvent) => {
      let details = e.detail;

      if(!this.scrolledAllDown) {
        this.setPeer(this.peerID, 0);
      } else {
        this.renderNewMessagesByIDs([details.messageID], true);
      }
    });
    
    // will call when sent for update pos
    $rootScope.$on('history_update', (e: CustomEvent) => {
      let details = e.detail;
      
      if(details.mid && details.peerID == this.peerID) {
        let mid = details.mid;
        
        let bubble = this.bubbles[mid];
        if(!bubble) return;
        
        let message = appMessagesManager.getMessage(mid);
        //this.log('history_update', this.bubbles[mid], mid, message);

        let dateMessage = this.getDateContainerByMessage(message, false);
        dateMessage.container.append(bubble);

        this.bubbleGroups.addBubble(bubble, message, false);

        //this.renderMessage(message, false, false, bubble);
      }
    });
    
    $rootScope.$on('history_multiappend', (e: CustomEvent) => {
      let msgIDsByPeer = e.detail;
      if(!(this.peerID in msgIDsByPeer)) return;
      
      let msgIDs = msgIDsByPeer[this.peerID];
      
      this.renderNewMessagesByIDs(msgIDs);
    });
    
    $rootScope.$on('history_delete', (e: CustomEvent) => {
      let detail: {
        peerID: string,
        msgs: {[x: number]: boolean}
      } = e.detail;
      
      this.deleteMessagesByIDs(Object.keys(detail.msgs).map(s => +s));
    });

    $rootScope.$on('dialog_flush', (e: CustomEvent) => {
      let peerID: number = e.detail.peerID;
      if(this.peerID == peerID) {
        this.deleteMessagesByIDs(Object.keys(this.bubbles).map(m => +m));
      }
    });
    
    // Calls when message successfully sent and we have an ID
    $rootScope.$on('message_sent', (e: CustomEvent) => {
      let {tempID, mid} = e.detail;
      
      this.log('message_sent', e.detail);

      // set cached url to media
      let message = appMessagesManager.getMessage(mid);
      if(message.media) {
        if(message.media.photo) {
          let photo = appPhotosManager.getPhoto(tempID);
          if(photo) {
            let newPhoto = message.media.photo;
            newPhoto.downloaded = photo.downloaded;
            newPhoto.url = photo.url;
          }
        } else if(message.media.document) {
          let doc = appDocsManager.getDoc(tempID);
          if(doc && doc.type && doc.type != 'sticker') {
            let newDoc = message.media.document;
            newDoc.downloaded = doc.downloaded;
            newDoc.url = doc.url;
          }
        }
      }
      
      let bubble = this.bubbles[tempID];
      if(bubble) {
        this.bubbles[mid] = bubble;
        
        /////this.log('message_sent', bubble);

        // set new mids to album items for mediaViewer
        if(message.grouped_id) {
          let items = bubble.querySelectorAll('.album-item');
          let groupIDs = Object.keys(appMessagesManager.groupedMessagesStorage[message.grouped_id]).map(i => +i).sort((a, b) => a - b);
          (Array.from(items) as HTMLElement[]).forEach((item, idx) => {
            item.dataset.mid = '' + groupIDs[idx];
          });
        }

        bubble.classList.remove('is-sending');
        bubble.classList.add('is-sent');
        bubble.dataset.mid = mid;

        this.bubbleGroups.removeBubble(bubble, tempID);
        
        delete this.bubbles[tempID];
      } else {
        this.log.warn('message_sent there is no bubble', e.detail);
      }

      if(this.unreadOut.has(tempID)) {
        this.unreadOut.delete(tempID);
        this.unreadOut.add(mid);
      }
    });
    
    $rootScope.$on('message_edit', (e: CustomEvent) => {
      let {peerID, mid, id, justMedia} = e.detail;
      
      if(peerID != this.peerID) return;
      let message = appMessagesManager.getMessage(mid);
      
      let bubble = this.bubbles[mid];
      if(!bubble && message.grouped_id) {
        let a = this.getAlbumBubble(message.grouped_id);
        bubble = a.bubble;
        message = a.message;
      }
      if(!bubble) return;
      
      this.renderMessage(message, true, false, bubble, false);
    });
    
    $rootScope.$on('messages_downloaded', (e: CustomEvent) => {
      let mids: number[] = e.detail;
      
      mids.forEach(mid => {
        if(this.pinnedMsgID == mid) {
          let message = appMessagesManager.getMessage(mid);
          /////this.log('setting pinned message', message);
          this.pinnedMessageContainer.dataset.mid = '' + mid;
          this.pinnedMessageContainer.style.display = '';
          this.pinnedMessageContent.innerHTML = message.rReply;
        }
        
        this.needUpdate.forEachReverse((obj, idx) => {
          if(obj.replyMid == mid) {
            let {mid, replyMid} = this.needUpdate.splice(idx, 1)[0];
            
            //this.log('messages_downloaded', mid, replyMid, i, this.needUpdate, this.needUpdate.length, mids, this.bubbles[mid]);
            let bubble = this.bubbles[mid];
            if(!bubble) return;
            
            let message = appMessagesManager.getMessage(mid);
            
            let repliedMessage = appMessagesManager.getMessage(replyMid);
            if(repliedMessage.deleted) { // чтобы не пыталось бесконечно загрузить удалённое сообщение
              delete message.reply_to_mid; // WARNING!
            }
            
            this.renderMessage(message, true, false, bubble, false);
            //this.renderMessage(message, true, true, bubble, false);
          }
        });
      });
    });
    
    $rootScope.$on('apiUpdate', (e: CustomEvent) => {
      let update = e.detail;
      
      this.handleUpdate(update);
    });
    
    window.addEventListener('blur', () => {
      lottieLoader.checkAnimations(true);
      
      this.offline = true;
      this.updateStatus();
      clearInterval(this.updateStatusInterval);
      
      window.addEventListener('focus', () => {
        lottieLoader.checkAnimations(false);
        
        this.offline = false;
        this.updateStatus();
        this.updateStatusInterval = window.setInterval(() => this.updateStatus(), 50e3);
      }, {once: true});
    });
    
    (this.pageEl.querySelector('.person') as HTMLDivElement).addEventListener('click', (e) => {
      appSidebarRight.toggleSidebar(true);
    });
    
    this.bubblesContainer.addEventListener('click', (e) => {
      let target = e.target as HTMLElement;
      let bubble: HTMLDivElement = null;
      try {
        bubble = findUpClassName(target, 'bubble');
      } catch(err) {}
      
      if(!bubble) return;

      let contactDiv = findUpClassName(target, 'contact');
      if(contactDiv) {
        this.setPeer(+contactDiv.dataset.peerID);
        return;
      }

      //this.log('chatInner click:', target);
      if(target.tagName == 'SPAN') {
        let video = (target.parentElement.querySelector('video') as HTMLElement);
        if(video) {
          video.click(); // hot-fix for time and play button
        }
        
        return;
      }

      if((target.tagName == 'IMG' && !target.classList.contains('emoji') && target.parentElement.tagName != "AVATAR-ELEMENT") 
        || target.tagName == 'image' 
        || target.classList.contains('album-item')
        || (target.tagName == 'VIDEO' && !bubble.classList.contains('round'))) {
        let messageID = +findUpClassName(target, 'album-item')?.dataset.mid || +bubble.dataset.mid;
        let message = appMessagesManager.getMessage(messageID);
        if(!message) {
          this.log.warn('no message by messageID:', messageID);
          return;
        }

        let targets: {element: HTMLElement, mid: number}[] = [];
        let ids = Object.keys(this.bubbles).map(k => +k).filter(id => {
          //if(!this.scrollable.visibleElements.find(e => e.element == this.bubbles[id])) return false;
  
          let message = appMessagesManager.getMessage(id);
          
          return message.media && (message.media.photo || (message.media.document && (message.media.document.type == 'video' || message.media.document.type == 'gif')) || (message.media.webpage && (message.media.webpage.document || message.media.webpage.photo)));
        }).sort((a, b) => a - b);

        ids.forEach(id => {
          let elements = this.bubbles[id].querySelectorAll('.album-item img, .album-item video, .preview img, .preview video, .bubble__media-container') as NodeListOf<HTMLElement>;
          Array.from(elements).forEach((element: HTMLElement) => {
            let albumItem = findUpClassName(element, 'album-item');
            targets.push({
              element,
              mid: +albumItem?.dataset.mid || id
            });
          });
        });

        let idx = targets.findIndex(t => t.mid == messageID);

        this.log('open mediaViewer single with ids:', ids, idx, targets);

        appMediaViewer.openMedia(message, targets[idx].element, true, 
          this.scroll.parentElement, targets.slice(0, idx), targets.slice(idx + 1)/* , !message.grouped_id */);
        
        //appMediaViewer.openMedia(message, target as HTMLImageElement);
      }
      
      if(['IMG', 'DIV'].indexOf(target.tagName) === -1) target = findUpTag(target, 'DIV');
      
      if(target.tagName == 'DIV' || target.tagName == "AVATAR-ELEMENT") {
        if(target.classList.contains('goto-original')) {
          let savedFrom = bubble.dataset.savedFrom;
          let splitted = savedFrom.split('_');
          let peerID = +splitted[0];
          let msgID = +splitted[1];
          ////this.log('savedFrom', peerID, msgID);
          this.setPeer(peerID, msgID);
          return;
        } else if(target.tagName == "AVATAR-ELEMENT" || target.classList.contains('name')) {
          let peerID = +target.dataset.peerID;
          
          if(!isNaN(peerID)) {
            this.setPeer(peerID);
          }
          
          return;
        }
        
        let isReplyClick = false;
        
        try {
          isReplyClick = !!findUpClassName(e.target, 'reply');
        } catch(err) {}
        
        if(isReplyClick && bubble.classList.contains('is-reply')/*  || bubble.classList.contains('forwarded') */) {
          let originalMessageID = +bubble.getAttribute('data-original-mid');
          this.setPeer(this.peerID, originalMessageID);
        }
      } else if(target.tagName == 'IMG' && target.parentElement.tagName == "AVATAR-ELEMENT") {
        let peerID = +target.parentElement.dataset.peerID;
        
        if(!isNaN(peerID)) {
          this.setPeer(peerID);
        }
      }
      
      //console.log('chatInner click', e);
    });
    
    this.searchBtn.addEventListener('click', (e) => {
      if(this.peerID) {
        appSidebarRight.beginSearch();
        //appSidebarLeft.archivedCount;
        //appSidebarLeft.beginSearch(this.peerID);
      }
    });
    
    this.pinnedMessageContainer.addEventListener('click', (e) => {
      e.preventDefault();
      e.cancelBubble = true;
      
      let mid = +this.pinnedMessageContainer.getAttribute('data-mid');
      this.setPeer(this.peerID, mid);
    });
    
    this.btnMenuMute.addEventListener('click', () => this.mutePeer(this.peerID));
    this.btnMute.addEventListener('click', () => this.mutePeer(this.peerID));
    
    let onKeyDown = (e: KeyboardEvent) => {
      let target = e.target as HTMLElement;
      
      //if(target.tagName == 'INPUT') return;
      
      //this.log('onkeydown', e);
      
      if(this.chatInputC.attachMediaPopUp.container.classList.contains('active')) {
        if(target.tagName != 'INPUT') {
          this.chatInputC.attachMediaPopUp.captionInput.focus();
        }
        
        if(e.key == 'Enter') {
          this.chatInputC.attachMediaPopUp.sendBtn.click();
        } else if(e.key == 'Escape') {
          this.chatInputC.attachMediaPopUp.container.classList.remove('active');
        }
        
        return;
      }
      
      if(e.key == 'Escape' && this.peerID != 0) { // hide current dialog
        this.setPeer(0);
      } else if(e.key == 'Meta' || e.key == 'Control') {
        return;
      } else if(e.key == 'c' && (e.ctrlKey || e.metaKey) && target.tagName != 'INPUT') {
        return;
      }
      
      if(e.target != this.chatInputC.messageInput && target.tagName != 'INPUT') {
        this.chatInputC.messageInput.focus();
        placeCaretAtEnd(this.chatInputC.messageInput);
      }
    };
    
    document.body.addEventListener('keydown', onKeyDown);

    this.popupDeleteMessage.deleteBothBtn.addEventListener('click', () => {
      appMessagesManager.deleteMessages([this.contextMenu.msgID], true);
      this.popupDeleteMessage.cancelBtn.click();
    });
    
    this.popupDeleteMessage.deleteMeBtn.addEventListener('click', () => {
      appMessagesManager.deleteMessages([this.contextMenu.msgID], false);
      this.popupDeleteMessage.cancelBtn.click();
    });
    
    this.goDownBtn.addEventListener('click', () => {
      let dialog = appMessagesManager.getDialogByPeerID(this.peerID)[0];
      
      if(dialog) {
        this.setPeer(this.peerID, dialog.top_message);
      } else {
        this.log('will scroll down 3');
        this.scroll.scrollTop = this.scroll.scrollHeight;
      }
    });
    
    this.updateStatusInterval = window.setInterval(() => this.updateStatus(), 50e3);
    this.updateStatus();
    setInterval(() => this.setPeerStatus(), 60e3);
    
    this.setScroll();
    //apiUpdatesManager.attach();

    this.stickyIntersector = new StickyIntersector(this.scrollable.container, (stuck, target) => {
      for(let timestamp in this.dateMessages) {
        let dateMessage = this.dateMessages[timestamp];
        if(dateMessage.container == target) {
          dateMessage.div.classList.toggle('is-sticky', stuck);
          break;
        }
      }
    });

    this.unreadedObserver = new IntersectionObserver((entries) => {
      let readed: number[] = [];
    
      entries.forEach(entry => {
        if(entry.isIntersecting) {
          let target = entry.target as HTMLElement;
          let mid = +target.dataset.mid;
          readed.push(mid);
          this.unreadedObserver.unobserve(target);
          this.unreaded.findAndSplice(id => id == mid);
        }
      });

      if(readed.length) {
        let max = Math.max(...readed);

        let length = readed.length;
        for(let i = this.unreaded.length - 1; i >= 0; --i) {
          let mid = this.unreaded[i];
          if(mid < max) {
            length++;
            this.unreaded.splice(i, 1);
          }
        }

        this.log('will readHistory by ids:', max, length);
        
        /* if(this.peerID < 0) {
          max = appMessagesIDsManager.getMessageIDInfo(max)[0];
        } */

        //appMessagesManager.readMessages(readed);
        /* false && */ appMessagesManager.readHistory(this.peerID, max, length).catch((err: any) => {
          this.log.error('readHistory err:', err);
          appMessagesManager.readHistory(this.peerID, max, length);
        });
      }
    });
  }
  
  public updateStatus() {
    if(!this.myID) return Promise.resolve();
    
    appUsersManager.setUserStatus(this.myID, this.offline);
    return apiManager.invokeApi('account.updateStatus', {offline: this.offline});
  }

  public getAlbumBubble(groupID: string) {
    let group = appMessagesManager.groupedMessagesStorage[groupID];
    for(let i in group) {
      let mid = +i;
      if(this.bubbles[mid]) return {
        bubble: this.bubbles[mid], 
        message: appMessagesManager.getMessage(mid)
      };
    }

    return null;
  }

  public loadMoreHistory(top: boolean) {
    this.log('loadMoreHistory', top);
    if(!this.peerID || testScroll || this.setPeerPromise || (top && this.getHistoryTopPromise) || (!top && this.getHistoryBottomPromise)) return;

    // warning, если иды только отрицательные то вниз не попадёт (хотя мб и так не попадёт)
    let history = Object.keys(this.bubbles).map(id => +id).filter(id => id > 0).sort((a, b) => a - b);
    if(!history.length) return;
    
    if(top && !this.scrolledAll) {
      this.log('Will load more (up) history by id:', history[0], 'maxID:', history[history.length - 1], history);
      /* if(history.length == 75) {
        this.log('load more', this.scrollable.scrollHeight, this.scrollable.scrollTop, this.scrollable);
        return;
      } */
      /* false &&  */this.getHistory(history[0], true);
    }

    if(this.scrolledAllDown) return;
    
    let dialog = appMessagesManager.getDialogByPeerID(this.peerID)[0];
    
    // if scroll down after search
    if(!top && (!dialog || history.indexOf(dialog.top_message) === -1)) {
      this.log('Will load more (down) history by maxID:', history[history.length - 1], history);
      /* false &&  */this.getHistory(history[history.length - 1], false, true);
    }
  }
  
  public onScroll() {
    if(this.onScrollRAF) window.cancelAnimationFrame(this.onScrollRAF);

    //if(this.scrollable.scrollLocked) return;

    this.onScrollRAF = window.requestAnimationFrame(() => {
      lottieLoader.checkAnimations(false, 'chat');

      if(this.isScrollingTimeout) {
        clearTimeout(this.isScrollingTimeout);
      } else if(!this.chatInner.classList.contains('is-scrolling')) {
        this.chatInner.classList.add('is-scrolling');
      }

      this.isScrollingTimeout = setTimeout(() => {
        this.chatInner.classList.remove('is-scrolling');
        this.isScrollingTimeout = 0;
      }, 300);
      
      if(this.scroll.scrollHeight - Math.round(this.scroll.scrollTop + this.scroll.offsetHeight) <= 1/* <= 5 */) {
        this.scroll.parentElement.classList.add('scrolled-down');
        this.scrolledDown = true;
      } else if(this.scroll.parentElement.classList.contains('scrolled-down')) {
        this.scroll.parentElement.classList.remove('scrolled-down');
        this.scrolledDown = false;
      }

      this.onScrollRAF = 0;
    });
  }
  
  public setScroll() {
    this.scrollable = new Scrollable(this.bubblesContainer, 'y', 'IM', this.chatInner, 300);
    this.scroll = this.scrollable.container;
    
    this.bubblesContainer.append(this.goDownBtn);
    
    this.scrollable.onScrolledTop = () => this.loadMoreHistory(true);
    this.scrollable.onScrolledBottom = () => this.loadMoreHistory(false);
    //this.scrollable.attachSentinels(undefined, 300);

    this.scroll.addEventListener('scroll', this.onScroll.bind(this));
    this.scroll.parentElement.classList.add('scrolled-down');
  }
  
  public setPeerStatus(needClear = false) {
    if(!this.myID) return;

    if(this.peerID < 0) { // not human
      let chat = appPeersManager.getPeer(this.peerID);
      let isChannel = appPeersManager.isChannel(this.peerID) && !appPeersManager.isMegagroup(this.peerID);
      
      this.subtitleEl.classList.remove('online');
      appSidebarRight.profileElements.subtitle.classList.remove('online');
      ///////this.log('setPeerStatus', chat);

      if(needClear) {
        this.subtitleEl.innerText = appSidebarRight.profileElements.subtitle.innerText = '';
      }

      appProfileManager.getChatFull(chat.id).then((chatInfo: any) => {
        this.log('chatInfo res:', chatInfo);
        
        if(chatInfo.pinned_msg_id) { // request pinned message
          this.pinnedMsgID = chatInfo.pinned_msg_id;
          appMessagesManager.wrapSingleMessage(chatInfo.pinned_msg_id);
        }
        
        let participants_count = chatInfo.participants_count || (chatInfo.participants && chatInfo.participants.participants && chatInfo.participants.participants.length);
        if(participants_count) {
          let subtitle = numberWithCommas(participants_count) + ' ' + (isChannel ? 'subscribers' : 'members');

          this.subtitleEl.innerText = appSidebarRight.profileElements.subtitle.innerText = subtitle;

          if(participants_count < 2) return;
          appChatsManager.getOnlines(chat.id).then(onlines => {
            if(onlines > 1) {
              subtitle += ', ' + numberWithCommas(onlines) + ' online';
            }
  
            this.subtitleEl.innerText = appSidebarRight.profileElements.subtitle.innerText = subtitle;
          });
        }
      });
    } else if(!appUsersManager.isBot(this.peerID)) { // user
      let user = appUsersManager.getUser(this.peerID);
      
      if(this.myID == this.peerID) {
        this.subtitleEl.innerText = appSidebarRight.profileElements.subtitle.innerText = '';
      } else if(user && user.status) {
        let subtitle = appUsersManager.getUserStatusString(user.id);

        if(subtitle == 'online') {
          this.subtitleEl.classList.add('online');
          appSidebarRight.profileElements.subtitle.classList.add('online');
        }
        
        appSidebarRight.profileElements.subtitle.innerText = subtitle;
        
        if(this.typingUsers[this.peerID] == this.peerID) {
          this.subtitleEl.innerText = 'typing...';
          this.subtitleEl.classList.add('online');
        } else {
          this.subtitleEl.innerText = subtitle;

          if(subtitle != 'online') {
            this.subtitleEl.classList.remove('online');
            appSidebarRight.profileElements.subtitle.classList.remove('online');
          }
        }
      }
    } else {
      this.subtitleEl.innerText = 'bot';
      appSidebarRight.profileElements.subtitle.innerText = 'bot';
    }
  }
  
  public cleanup(bubblesToo = false) {
    ////console.time('appImManager cleanup');
    this.scrolledAll = false;
    this.scrolledAllDown = false;

    this.bubbles = {};
    this.dateMessages = {};
    this.bubbleGroups.cleanup();
    this.unreadOut.clear();
    this.needUpdate.length = 0;
    this.lazyLoadQueue.clear();
    
    // clear input 
    this.chatInputC.messageInput.innerHTML = '';
    this.chatInputC.replyElements.cancelBtn.click();

    // clear messages
    if(bubblesToo) {
      this.scrollable.container.innerHTML = '';
    }

    this.peerChanged = false;
    this.firstUnreadBubble = null;

    this.messagesQueue.length = 0;
    this.messagesQueuePromise = null;

    lottieLoader.checkAnimations(false, 'chat', true);

    this.getHistoryTopPromise = this.getHistoryBottomPromise = undefined;

    this.stickyIntersector.disconnect();
    
    this.unreadedObserver.disconnect();
    this.unreaded.length = 0;

    this.loadedTopTimes = this.loadedBottomTimes = 0;

    ////console.timeEnd('appImManager cleanup');
  }
  
  public setPeer(peerID: number, lastMsgID?: number) {
    //console.time('appImManager setPeer');
    //console.time('appImManager setPeer pre promise');
    ////console.time('appImManager: pre render start');
    if(peerID == 0) {
      appSidebarRight.toggleSidebar(false);
      this.topbar.style.display = this.chatInput.style.display = this.goDownBtn.style.display = 'none';
      this.cleanup(true);
      this.peerID = $rootScope.selectedPeerID = 0;
      $rootScope.$broadcast('peer_changed', this.peerID);
      return false;
    }
    
    const samePeer = this.peerID == peerID;
    
    if(this.setPeerPromise && samePeer) return this.setPeerPromise;

    const dialog = appMessagesManager.getDialogByPeerID(peerID)[0] || null;
    const topMessage = lastMsgID <= 0 ? lastMsgID : dialog?.top_message ?? 0;
    const isTarget = lastMsgID !== undefined;
    if(!isTarget && dialog) {
      if(dialog.unread_count && !samePeer) {
        lastMsgID = dialog.read_inbox_max_id;
      } else {
        lastMsgID = dialog.top_message;
      }
    }
    
    if(samePeer) {
      if(this.bubbles[lastMsgID]) {
        if(dialog && lastMsgID == topMessage) {
          this.log('will scroll down', this.scroll.scrollTop, this.scroll.scrollHeight);
          this.scroll.scrollTop = this.scroll.scrollHeight;
        } else if(isTarget) {
          this.scrollable.scrollIntoView(this.bubbles[lastMsgID]);
          this.highlightBubble(this.bubbles[lastMsgID]);
        }
        
        return true;
      }
    } else {
      appSidebarRight.searchCloseBtn.click();
    }

    // set new
    this.peerID = $rootScope.selectedPeerID = peerID;

    
    this.log('setPeer peerID:', this.peerID, dialog, lastMsgID, topMessage);

    const isJump = lastMsgID != topMessage;
    // add last message, bc in getHistory will load < max_id
    const additionMsgID = isJump ? 0 : topMessage;

    /* this.setPeerPromise = null;
    this.preloader.detach();
    return true; */

    //////appSidebarRight.toggleSidebar(true);

    const maxBubbleID = samePeer && Math.max(...Object.keys(this.bubbles).map(mid => +mid));

    const oldChatInner = this.chatInner;
    this.cleanup();
    this.chatInner = document.createElement('div');
    this.chatInner.id = 'bubbles-inner';
    this.scrollable.appendTo = this.chatInner;
    this.chatInner.className = oldChatInner.className;
    this.chatInner.classList.add('disable-hover', 'is-scrolling');

    this.lazyLoadQueue.lock();

    const {promise, cached} = this.getHistory(lastMsgID, true, isJump, additionMsgID);

    if(!samePeer) {
      appSidebarRight.setPeer(this.peerID);
    } else {
      this.peerChanged = true;
    }

    // clear 
    if(!cached) {
      this.scrollable.container.innerHTML = '';
      //oldChatInner.remove();
      !samePeer && this.finishPeerChange();
      this.preloader.attach(this.bubblesContainer);
    }

    //console.timeEnd('appImManager setPeer pre promise');
    
    this.setPeerPromise = Promise.all([
      promise.then(() => {
        ////this.log('setPeer removing preloader');

        if(cached) {
          this.scrollable.container.innerHTML = '';
          //oldChatInner.remove();
          !samePeer && this.finishPeerChange();
        } else {
          this.preloader.detach();
        }

        this.scrollable.container.append(this.chatInner);
        //this.scrollable.attachSentinels();
        //this.scrollable.container.insertBefore(this.chatInner, this.scrollable.container.lastElementChild);

        this.lazyLoadQueue.unlock();

        if(dialog && lastMsgID && lastMsgID != topMessage && (this.bubbles[lastMsgID] || this.firstUnreadBubble)) {
          if(this.scrollable.scrollLocked) {
            clearTimeout(this.scrollable.scrollLocked);
            this.scrollable.scrollLocked = 0;
          }
          
          const fromUp = maxBubbleID > 0 && (maxBubbleID < lastMsgID || lastMsgID < 0);
          const forwardingUnread = dialog.read_inbox_max_id == lastMsgID;
          if(!fromUp && (samePeer || forwardingUnread)) {
            this.scrollable.scrollTop = this.scrollable.scrollHeight;
          }

          const bubble = forwardingUnread ? (this.firstUnreadBubble || this.bubbles[lastMsgID]) : this.bubbles[lastMsgID];

          this.scrollable.scrollIntoView(bubble, samePeer/* , fromUp */);
          if(!forwardingUnread) {
            this.highlightBubble(bubble);
          }
        } else {
          this.scrollable.scrollTop = this.scrollable.scrollHeight;
        }

        // warning
        if(!lastMsgID || this.bubbles[topMessage] || lastMsgID == topMessage) {
          this.scrolledAllDown = true;
        }

        this.log('scrolledAllDown:', this.scrolledAllDown);

        if(!this.unreaded.length && dialog) { // lol
          appMessagesManager.readHistory(peerID, dialog.top_message);
        }

        this.chatInner.classList.remove('disable-hover', 'is-scrolling'); // warning, performance!

        //console.timeEnd('appImManager setPeer');

        return true;
      }).catch(err => {
        this.log.error('getHistory promise error:', err);
        throw err;
      })
    ]).catch(err => {
      this.log.error('setPeer promises error:', err);
      this.preloader.detach();
      //oldChatInner.remove();
      return false;
    }).then(res => {
      if(this.peerID == peerID) {
        this.setPeerPromise = null;
      }

      return !!res;
    });

    //if(this.messagesQueuePromise) {
      //appSidebarRight.setLoadMutex(this.setPeerPromise);
    //}

    appSidebarRight.setLoadMutex(this.setPeerPromise);
    appSidebarRight.loadSidebarMedia(true);

    return this.setPeerPromise;
  }

  public finishPeerChange() {
    if(this.peerChanged) return;

    let peerID = this.peerID;
    this.peerChanged = true;

    this.avatarEl.setAttribute('peer', '' + this.peerID);

    const isChannel = appPeersManager.isChannel(peerID);
    const hasRights = isChannel && appChatsManager.hasRights(-peerID, 'send');
    this.chatInner.classList.toggle('has-rights', hasRights);

    this.chatInput.style.display = !isChannel || hasRights ? '' : 'none';

    this.topbar.style.display = '';

    this.chatInner.classList.toggle('is-chat', appPeersManager.isAnyGroup(peerID) || peerID == this.myID);
    this.chatInner.classList.toggle('is-channel', isChannel);

    this.pinnedMessageContainer.style.display = 'none';

    this.btnMute.style.display = appPeersManager.isBroadcast(peerID) ? '' : 'none';

    window.requestAnimationFrame(() => {
      let title = '';
      if(this.peerID == this.myID) title = 'Saved Messages';
      else title = appPeersManager.getPeerTitle(this.peerID);
      this.titleEl.innerHTML = appSidebarRight.profileElements.name.innerHTML = title;

      this.goDownBtn.style.display = '';

      this.setPeerStatus(true);
    });

    appSidebarRight.fillProfileElements();

    $rootScope.$broadcast('peer_changed', this.peerID);
  }
  
  public setTyping(action: any): Promise<boolean> {
    if(!this.peerID) return Promise.resolve(false);
    
    if(typeof(action) == 'string') {
      action = {_: action};
    }
    
    let input = appPeersManager.getInputPeerByID(this.peerID);
    return apiManager.invokeApi('messages.setTyping', {
      peer: input,
      action: action
    }) as Promise<boolean>;
  }
  
  public updateUnreadByDialog(dialog: Dialog) {
    let maxID = this.peerID == this.myID ? dialog.read_inbox_max_id : dialog.read_outbox_max_id;
    
    ///////this.log('updateUnreadByDialog', maxID, dialog, this.unreadOut);
    
    for(let msgID of this.unreadOut) {
      if(msgID > 0 && msgID <= maxID) {
        let bubble = this.bubbles[msgID];
        if(bubble) {
          bubble.classList.remove('is-sent');
          bubble.classList.add('is-read');
        }
        
        this.unreadOut.delete(msgID);
      }
    }
  }
  
  public deleteMessagesByIDs(msgIDs: number[]) {
    msgIDs.forEach(id => {
      if(!(id in this.bubbles)) return;
      
      let bubble = this.bubbles[id];
      delete this.bubbles[id];

      if(this.firstUnreadBubble == bubble) {
        this.firstUnreadBubble = null;
      }

      this.bubbleGroups.removeBubble(bubble, id);
      this.unreadedObserver.unobserve(bubble);
      //this.unreaded.findAndSplice(mid => mid == id);
      this.scrollable.removeElement(bubble);
      //bubble.remove();
    });
    
    lottieLoader.checkAnimations();
    this.deleteEmptyDateGroups();
  }
  
  public renderNewMessagesByIDs(msgIDs: number[], scrolledDown = this.scrolledDown) {
    if(!this.scrolledAllDown) { // seems search active or sliced
      this.log('seems search is active, skipping render:', msgIDs);
      return;
    }
    
    msgIDs.forEach((msgID: number) => {
      let message = appMessagesManager.getMessage(msgID);
      
      /////////this.log('got new message to append:', message);
      
      //this.unreaded.push(msgID);
      this.renderMessage(message);
    });
    
    //if(scrolledDown) this.scrollable.scrollTop = this.scrollable.scrollHeight;
    if(this.messagesQueuePromise && scrolledDown) {
      this.scrollable.scrollTo(this.scrollable.scrollHeight - 1, false, true);
      this.messagesQueuePromise.then(() => {
        this.log('messagesQueuePromise after:', this.chatInner.childElementCount, this.scrollable.scrollHeight);
        this.scrollable.scrollTo(this.scrollable.scrollHeight, true, true);

        setTimeout(() => {
          this.log('messagesQueuePromise afterafter:', this.chatInner.childElementCount, this.scrollable.scrollHeight);
        }, 10);
      });
    }
  }

  public highlightBubble(element: HTMLDivElement) {
    if(element.dataset.timeout) {
      clearTimeout(+element.dataset.timeout);
      element.classList.remove('is-selected');
      void element.offsetWidth; // reflow
    }

    element.classList.add('is-selected');
    element.dataset.timeout = '' + setTimeout(() => {
      element.classList.remove('is-selected');
      delete element.dataset.timeout;
    }, 2000);
  }

  public getDateContainerByMessage(message: any, reverse: boolean) {
    let date = new Date(message.date * 1000);
    let justDate = new Date(date.getFullYear(), date.getMonth(), date.getDate());
    let dateTimestamp = justDate.getTime();
    if(!(dateTimestamp in this.dateMessages)) {
      let str = '';
      
      let today = new Date();
      today.setHours(0);
      today.setMinutes(0);
      today.setSeconds(0);
      
      if(today < date) {
        str = 'Today';
      } else {
        const months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
        str = justDate.getFullYear() == new Date().getFullYear() ? 
        months[justDate.getMonth()] + ' ' + justDate.getDate() : 
        justDate.toISOString().split('T')[0].split('-').reverse().join('.');
      }
      
      let div = document.createElement('div');
      div.className = 'bubble service is-date';
      div.innerHTML = `<div class="bubble__container"><div class="service-msg">${str}</div></div>`;
      ////////this.log('need to render date message', dateTimestamp, str);

      let container = document.createElement('div');
      container.className = 'bubbles-date-group';
      
      this.dateMessages[dateTimestamp] = {
        div,
        container,
        firstTimestamp: date.getTime()
      };

      container.append(div);
      //this.scrollable.prepareElement(div, false);

      if(reverse) {
        //let scrollTopPrevious = this.scrollable.scrollTop;
        this.scrollable.prepend(container, false);

        /* if(!scrollTopPrevious) {
          this.scrollable.scrollTop += container.scrollHeight;
        } */
      } else {
        this.scrollable.append(container, false);
      }

      this.stickyIntersector.observeStickyHeaderChanges(container);
    }

    return this.dateMessages[dateTimestamp];
  }

  public renderMessagesQueue(message: any, bubble: HTMLDivElement, reverse: boolean) {
    let promises: Promise<any>[] = [];
    (Array.from(bubble.querySelectorAll('img, video')) as HTMLImageElement[]).forEach(el => {
      if(el instanceof HTMLVideoElement) {
        let source = el.firstElementChild as HTMLSourceElement;
        if(!source || !source.src) {
          this.log.warn('no source', el, source, 'src', source.src);
          return;
        } else if(el.readyState >= 4) return;
      } else if(el.complete || !el.src) return;

      let src = el.src;

      let promise = new Promise((resolve, reject) => {
        let r: () => boolean;
        let onLoad = () => {
          clearTimeout(timeout);
          resolve();
        };

        if(el instanceof HTMLVideoElement) {
          el.addEventListener('loadeddata', onLoad);
          r = () => el.readyState >= 4;
        } else {
          el.addEventListener('load', onLoad);
          r = () => el.complete;
        }

        // for safari
        let c = () => r() ? onLoad() : window.requestAnimationFrame(c);
        window.requestAnimationFrame(c);

        let timeout = setTimeout(() => {
          console.log('did not called', el, el.parentElement, el.complete, src);
          reject();
        }, 1500);
      });

      promises.push(promise);
    });

    this.messagesQueue.push({message, bubble, reverse, promises});

    if(!this.messagesQueuePromise) {
      this.messagesQueuePromise = new Promise((resolve, reject) => {
        setTimeout(() => {
          let chatInner = this.chatInner;
          let queue = this.messagesQueue.slice();
          this.messagesQueue.length = 0;

          let promises = queue.reduce((acc, {promises}) => acc.concat(promises), []);
          //console.log('promises to call', promises, queue);
          Promise.all(promises).then(() => {
            if(this.chatInner != chatInner) {
              this.log.warn('chatInner changed!', this.chatInner, chatInner);
              return reject('chatInner changed!');
            }

            if(this.messagesQueueOnRender) {
              this.messagesQueueOnRender();
            }

            queue.forEach(({message, bubble, reverse}) => {
              let dateMessage = this.getDateContainerByMessage(message, reverse);
              if(reverse) {
                dateMessage.container.insertBefore(bubble, dateMessage.div.nextSibling);
                //this.scrollable.prepareElement(bubble, false);
              } else {
                dateMessage.container.append(bubble);
                //this.scrollable.prepareElement(bubble, true);
              }
            });

            resolve();
            this.messagesQueuePromise = null;
          }, reject);
        }, 0);
      });
    }
  }
  
  // reverse means top
  public renderMessage(message: any, reverse = false, multipleRender = false, bubble: HTMLDivElement = null, updatePosition = true) {
    this.log('message to render:', message);
    //return;
    if(message.deleted) return;
    else if(message.grouped_id) { // will render only last album's message
      let storage = appMessagesManager.groupedMessagesStorage[message.grouped_id];
      let maxID = Math.max(...Object.keys(storage).map(i => +i));
      if(message.mid < maxID) {
        return;
      }
    }
    
    let peerID = this.peerID;
    let our = message.fromID == this.myID;
    
    let messageDiv = document.createElement('div');
    messageDiv.classList.add('message');
    
    //messageDiv.innerText = message.message;

    let bubbleContainer: HTMLDivElement;
    
    // bubble
    if(!bubble) {
      bubbleContainer = document.createElement('div');
      bubbleContainer.classList.add('bubble__container');
      
      bubble = document.createElement('div');
      bubble.classList.add('bubble');
      bubble.appendChild(bubbleContainer);
      this.bubbles[+message.mid] = bubble;
    } else {
      bubble.className = 'bubble';
      bubbleContainer = bubble.firstElementChild as HTMLDivElement;
      bubbleContainer.innerHTML = '';

      if(bubble == this.firstUnreadBubble) {
        bubble.classList.add('is-first-unread');
      }
      //bubble.innerHTML = '';
    }

    bubble.dataset.mid = message.mid;

    if(message._ == 'messageService') {
      let action = message.action;
      let _ = action._;
      if(IGNOREACTIONS.indexOf(_) !== -1) {
        return bubble;
      }

      bubble.className = 'bubble service';

      let title = appPeersManager.getPeerTitle(message.fromID);
      let name = document.createElement('div');
      name.classList.add('name');
      name.dataset.peerID = message.fromID;
      name.innerHTML = title;

      let str = '';
      if(action.message) {
        str = RichTextProcessor.wrapRichText(action.message, {noLinebreaks: true});
      } else {
        if(_ == "messageActionPhoneCall") {
          _ += '.' + action.type;
        }
  
        // @ts-ignore
        let l = langPack[_];
        if(!l) {
          l = '[' + _ + ']';
        }

        str = l[0].toUpperCase() == l[0] ? l : (name.innerText ? name.outerHTML + ' ' : '') + l;
      }
      
      bubbleContainer.innerHTML = `<div class="service-msg">${str}</div>`;

      if(updatePosition) {
        this.renderMessagesQueue(message, bubble, reverse);
      }

      return bubble;
    }
    
    // time section
    
    let date = new Date(message.date * 1000);
    let time = ('0' + date.getHours()).slice(-2) + ':' + ('0' + date.getMinutes()).slice(-2);
    
    if(message.views) {
      bubble.classList.add('channel-post');
      time = formatNumber(message.views, 1) + ' <i class="tgico-channelviews"></i> ' + time;
    }
    
    if(message.edit_date) {
      bubble.classList.add('is-edited');
      time = '<i class="edited">edited</i> ' + time;
    }
    
    let timeSpan = document.createElement('span');
    timeSpan.classList.add('time');
    
    let timeInner = document.createElement('div');
    timeInner.classList.add('inner', 'tgico');
    timeInner.innerHTML = time;

    let messageMessage: string, totalEntities: any[];
    if(message.grouped_id) {
      let group = appMessagesManager.groupedMessagesStorage[message.grouped_id];
      let foundMessages = 0;
      for(let i in group) {
        let m = group[i];
        if(m.message) {
          if(++foundMessages > 1) break;
          messageMessage = m.message;
          totalEntities = m.totalEntities;
        }  
      }

      if(foundMessages > 1) {
        messageMessage = undefined;
        totalEntities = undefined;
      }
    }
    
    if(!messageMessage && !totalEntities) {
      messageMessage = message.message;
      totalEntities = message.totalEntities;
    }
    
    let richText = RichTextProcessor.wrapRichText(messageMessage, {
      entities: totalEntities
    });
    
    let messageMedia = message.media;

    if(totalEntities) {
      let emojiEntities = totalEntities.filter((e: any) => e._ == 'messageEntityEmoji');
      let strLength = messageMessage.length;
      let emojiStrLength = emojiEntities.reduce((acc: number, curr: any) => acc + curr.length, 0);
      
      if(emojiStrLength == strLength && emojiEntities.length <= 3) {
        let sticker = appStickersManager.getAnimatedEmojiSticker(messageMessage);
        if(emojiEntities.length == 1 && !messageMedia && sticker) {
          messageMedia = {
            _: 'messageMediaDocument',
            document: sticker
          };
        } else {
          let attachmentDiv = document.createElement('div');
          attachmentDiv.classList.add('attachment');
          
          attachmentDiv.innerHTML = richText;
          
          bubble.classList.add('emoji-' + emojiEntities.length + 'x');
          
          bubbleContainer.append(attachmentDiv);
        }

        bubble.classList.add('is-message-empty', 'emoji-big');
      } else {
        messageDiv.innerHTML = richText;
      }
      
      /* if(strLength == emojiStrLength) {
        messageDiv.classList.add('emoji-only');
        messageDiv.classList.add('message-empty');
      } */
    } else {
      messageDiv.innerHTML = richText;
    }
    
    timeSpan.appendChild(timeInner);
    messageDiv.append(timeSpan);
    bubbleContainer.prepend(messageDiv);
    //bubble.prepend(timeSpan, messageDiv); // that's bad

    if(message.reply_markup && message.reply_markup._ == 'replyInlineMarkup' && message.reply_markup.rows && message.reply_markup.rows.length) {
      let rows = message.reply_markup.rows;

      let containerDiv = document.createElement('div');
      containerDiv.classList.add('reply-markup');
      rows.forEach((row: any) => {
        let buttons = row.buttons;
        if(!buttons || !buttons.length) return;

        let rowDiv = document.createElement('div');
        rowDiv.classList.add('reply-markup-row');

        buttons.forEach((button: any) => {
          let text = RichTextProcessor.wrapRichText(button.text, {noLinks: true, noLinebreaks: true});

          let buttonEl: HTMLButtonElement | HTMLAnchorElement;
          
          switch(button._) {
            case 'keyboardButtonUrl': {
              let from = appUsersManager.getUser(message.fromID);
              let unsafe = !(from && from.pFlags && from.pFlags.verified);
              let url = RichTextProcessor.wrapUrl(button.url, unsafe);
              buttonEl = document.createElement('a');
              buttonEl.href = url;
              buttonEl.rel = 'noopener noreferrer';
              buttonEl.target = '_blank';
              buttonEl.classList.add('is-link', 'tgico');

              break;
            }

            default: {
              buttonEl = document.createElement('button');
              break;
            }
          }

          buttonEl.classList.add('reply-markup-button', 'rp');
          buttonEl.innerHTML = text;

          ripple(buttonEl);

          rowDiv.append(buttonEl);
        });

        containerDiv.append(rowDiv);
      });

      containerDiv.addEventListener('click', (e) => {
        let target = e.target as HTMLElement;

        if(!target.classList.contains('reply-markup-button')) target = findUpClassName(target, 'reply-markup-button');
        if(!target) return;

        let column = whichChild(target);
        let row = rows[whichChild(target.parentElement)];

        if(!row.buttons || !row.buttons[column]) {
          this.log.warn('no such button', row, column, message);
          return;
        }

        let button = row.buttons[column];
        appInlineBotsManager.callbackButtonClick(message.mid, button);
      });

      let offset = rows.length * 45 + 'px';
      bubbleContainer.style.marginBottom = offset;
      containerDiv.style.bottom = '-' + offset;

      bubbleContainer.prepend(containerDiv);
    }
    
    if(our) {
      if(message.pFlags.unread || message.mid < 0) this.unreadOut.add(message.mid); // message.mid < 0 added 11.02.2020
      let status = '';
      if(message.mid < 0) status = 'is-sending';
      else status = message.pFlags.unread ? 'is-sent' : 'is-read';
      bubble.classList.add(status);
    } else {
      //this.log('not our message', message, message.pFlags.unread);
      if(message.pFlags.unread) {
        this.unreadedObserver.observe(bubble); 
        if(!this.unreaded.indexOf(message.mid)) {
          this.unreaded.push(message.mid);
        }
      }
    }

    const isOut = our && (!message.fwd_from || this.peerID != this.myID);
    
    // media
    if(messageMedia/*  && messageMedia._ == 'messageMediaPhoto' */) {
      let attachmentDiv = document.createElement('div');
      attachmentDiv.classList.add('attachment');
      
      if(!messageMessage) {
        bubble.classList.add('is-message-empty');
      }
      
      let processingWebPage = false;
      
      switch(messageMedia._) {
        case 'messageMediaPending': {
          let pending = messageMedia;
          let preloader = pending.preloader as ProgressivePreloader;
          
          switch(pending.type) {
            case 'album': {
              this.log('will wrap pending album');

              bubble.classList.add('hide-name', 'photo', 'is-album');
              wrapAlbum({
                groupID: '' + message.id, 
                attachmentDiv,
                uploading: true,
                isOut: true
              });

              break;
            }

            case 'photo': {
              //if(pending.size < 5e6) {
                this.log('will wrap pending photo:', pending, message, appPhotosManager.getPhoto(message.id));
                wrapPhoto(message.id, message, attachmentDiv, undefined, undefined, true, true, this.lazyLoadQueue, null);

                bubble.classList.add('hide-name', 'photo');
              //}

              break;
            }

            case 'video': {
              //if(pending.size < 5e6) {
                let doc = appDocsManager.getDoc(message.id);
                this.log('will wrap pending video:', pending, message, doc);
                wrapVideo({
                  doc, 
                  container: attachmentDiv, 
                  message, 
                  boxWidth: 380,
                  boxHeight: 380, 
                  withTail: doc.type != 'round', 
                  isOut: isOut,
                  lazyLoadQueue: this.lazyLoadQueue,
                  middleware: null
                });

                preloader.attach(attachmentDiv, false);
                bubble.classList.add('hide-name', 'video');
              //}
              break;
            }
            
            case 'audio':
            case 'document': {
              let docDiv = wrapDocument(pending, false, true);
              
              let icoDiv = docDiv.querySelector('.document-ico');
              preloader.attach(icoDiv, false);
              
              bubble.classList.remove('is-message-empty');
              messageDiv.classList.add((pending.type || 'document') + '-message');
              messageDiv.append(docDiv);
              processingWebPage = true;
              break;
            }
            
          }
          
          break;
        }
        
        case 'messageMediaPhoto': {
          let photo = messageMedia.photo;
          ////////this.log('messageMediaPhoto', photo);
          
          bubble.classList.add('hide-name', 'photo');
          if(message.grouped_id) {
            bubble.classList.add('is-album');

            wrapAlbum({
              groupID: message.grouped_id, 
              attachmentDiv,
              middleware: () => {
                return this.peerID == peerID;
              },
              isOut: our,
              lazyLoadQueue: this.lazyLoadQueue
            });
          } else {
            wrapPhoto(photo.id, message, attachmentDiv, undefined, undefined, true, isOut, this.lazyLoadQueue, () => {
              return this.peerID == peerID;
            });
          }

          break;
        }
        
        case 'messageMediaWebPage': {
          processingWebPage = true;
          
          let webpage = messageMedia.webpage;
          ////////this.log('messageMediaWebPage', webpage);
          if(webpage._ == 'webPageEmpty') {
            break;
          } 
          
          bubble.classList.add('webpage');
          
          let box = document.createElement('div');
          box.classList.add('box', 'web');
          
          let quote = document.createElement('div');
          quote.classList.add('quote');
          
          let nameEl = document.createElement('a');
          nameEl.classList.add('name');
          
          let titleDiv = document.createElement('div');
          titleDiv.classList.add('title');
          
          let textDiv = document.createElement('div');
          textDiv.classList.add('text');
          
          let preview: HTMLDivElement = null;
          if(webpage.photo || webpage.document) {
            preview = document.createElement('div');
            preview.classList.add('preview');
          }
          
          let doc: any = null;
          if(webpage.document) {
            doc = webpage.document;
            
            if(doc.type == 'gif' || doc.type == 'video') {
              //if(doc.size <= 20e6) {
              bubble.classList.add('video');
              wrapVideo({
                doc, 
                container: preview, 
                message, 
                boxWidth: 380,
                boxHeight: 300,
                lazyLoadQueue: this.lazyLoadQueue,
                middleware: () => {
                  return this.peerID == peerID;
                },
                isOut
              });
              //}
            } else {
              doc = null;
            }
          }
          
          if(webpage.photo && !doc) {
            bubble.classList.add('photo');

            wrapPhoto(webpage.photo.id, message, preview, 380, 300, false, null, this.lazyLoadQueue, () => {
              return this.peerID == peerID;
            });
          }
          
          if(preview) {
            quote.append(preview);
          }
          
          nameEl.setAttribute('target', '_blank');
          nameEl.href = webpage.url || '#';
          nameEl.innerHTML = webpage.site_name ? RichTextProcessor.wrapEmojiText(webpage.site_name) : '';
          
          if(webpage.description) {
            textDiv.innerHTML = RichTextProcessor.wrapRichText(webpage.description);
          }
          
          if(webpage.title) {
            titleDiv.innerHTML = RichTextProcessor.wrapRichText(webpage.title);
          }
          
          quote.append(nameEl, titleDiv, textDiv);
          box.append(quote);
          
          //bubble.prepend(box);
          bubbleContainer.prepend(timeSpan, box);
          
          //this.log('night running', bubble.scrollHeight);
          
          break;
        }
        
        case 'messageMediaDocument': {
          let doc = messageMedia.document;

          //this.log('messageMediaDocument', doc, bubble);
          
          if(doc.sticker/*  && doc.size <= 1e6 */) {
            bubble.classList.add('sticker');
            
            if(doc.animated) {
              bubble.classList.add('sticker-animated');
            }
            
            let size = bubble.classList.contains('emoji-big') ? 140 : 200;
            appPhotosManager.setAttachmentSize(doc, attachmentDiv, size, size, true);
            //let preloader = new ProgressivePreloader(attachmentDiv, false);
            bubbleContainer.style.height = attachmentDiv.style.height;
            bubbleContainer.style.width = attachmentDiv.style.width;
            //appPhotosManager.setAttachmentSize(doc, bubble);
            wrapSticker({
              doc, 
              div: attachmentDiv,
              middleware: () => {
                if(this.peerID != peerID) {
                  this.log.warn('peer changed, canceling sticker attach');
                  return false;
                }
                
                return true;
              },
              lazyLoadQueue: this.lazyLoadQueue,
              group: 'chat',
              play: !!message.pending || !multipleRender,
              emoji: bubble.classList.contains('emoji-big') ? messageMessage : undefined
            });

            break;
          } else if(doc.type == 'video' || doc.type == 'gif' || doc.type == 'round'/*  && doc.size <= 20e6 */) {
            //this.log('never get free 2', doc);
            
            if(doc.type == 'round') {
              bubble.classList.add('round');
            }
            
            bubble.classList.add('hide-name', 'video');
            if(message.grouped_id) {
              bubble.classList.add('is-album');
  
              wrapAlbum({
                groupID: message.grouped_id, 
                attachmentDiv,
                middleware: () => {
                  return this.peerID == peerID;
                },
                isOut: our,
                lazyLoadQueue: this.lazyLoadQueue
              });
            } else {
              wrapVideo({
                doc, 
                container: attachmentDiv, 
                message, 
                boxWidth: 380,
                boxHeight: 380, 
                withTail: doc.type != 'round', 
                isOut: isOut,
                lazyLoadQueue: this.lazyLoadQueue,
                middleware: () => {
                  return this.peerID == peerID;
                }
              });
            }
            
            break;
          } else if(doc.mime_type == 'audio/ogg') {
            let docDiv = wrapDocument(doc);
            
            bubble.classList.remove('is-message-empty');
            
            bubble.classList.add('bubble-audio');
            messageDiv.append(docDiv);
            processingWebPage = true;
            
            break;
          } else {
            let docDiv = wrapDocument(doc);
            
            bubble.classList.remove('is-message-empty');
            messageDiv.append(docDiv);
            messageDiv.classList.add((doc.type || 'document') + '-message');
            processingWebPage = true;
            
            break;
          }

          break;
        }

        case 'messageMediaContact': {
          //this.log('wrapping contact', message);

          let contactDiv = document.createElement('div');
          contactDiv.classList.add('contact');
          contactDiv.dataset.peerID = '' + messageMedia.user_id;

          messageDiv.classList.add('contact-message');
          processingWebPage = true;

          let texts = [];
          if(message.media.first_name) texts.push(RichTextProcessor.wrapEmojiText(message.media.first_name));
          if(message.media.last_name) texts.push(RichTextProcessor.wrapEmojiText(message.media.last_name));

          contactDiv.innerHTML = `
            <div class="contact-details">
              <div class="contact-name">${texts.join(' ')}</div>
              <div class="contact-number">${message.media.phone_number ? '+' + formatPhoneNumber(message.media.phone_number).formatted : 'Unknown phone number'}</div>
            </div>`;

          let avatarElem = new AvatarElement();
          avatarElem.setAttribute('peer', '' + message.media.user_id);
          avatarElem.classList.add('contact-avatar');

          contactDiv.prepend(avatarElem);

          bubble.classList.remove('is-message-empty');
          messageDiv.append(contactDiv);

          break;
        }

        case 'messageMediaPoll': {
          bubble.classList.remove('is-message-empty');
          
          let pollElement = wrapPoll(message.media.poll.id, message.mid);
          messageDiv.prepend(pollElement);

          break;
        }
        
        default:
        bubble.classList.remove('is-message-empty');
        messageDiv.innerHTML = 'unrecognized media type: ' + message.media._;
        messageDiv.append(timeSpan);
        this.log.warn('unrecognized media type:', message.media._, message);
        break;
      }
      
      if(!processingWebPage) {
        bubbleContainer.append(attachmentDiv);
      }
    }
    
    if((this.peerID < 0 && !our) || message.fwd_from || message.reply_to_mid) { // chat
      let title = appPeersManager.getPeerTitle(message.fwdFromID || message.fromID);
      
      let isHidden = message.fwd_from && !message.fwd_from.from_id && !message.fwd_from.channel_id;
      if(isHidden) {
        ///////this.log('message to render hidden', message);
        title = RichTextProcessor.wrapEmojiText(message.fwd_from.from_name);
        //title = message.fwd_from.from_name;
        bubble.classList.add('hidden-profile');
      }
      
      //this.log(title);
      
      if((message.fwdFromID || message.fwd_from)) {
        if(this.peerID != this.myID) {
          bubble.classList.add('forwarded');
        }
        
        if(message.savedFrom) {
          let goto = document.createElement('div');
          goto.classList.add('goto-original', 'tgico-next');
          /* fwd.innerHTML = `
          <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" preserveAspectRatio="xMidYMid meet" viewBox="0 0 24 24">
            <defs>
              <path d="M13.55 3.24L13.64 3.25L13.73 3.27L13.81 3.29L13.9 3.32L13.98 3.35L14.06 3.39L14.14 3.43L14.22 3.48L14.29 3.53L14.36 3.59L14.43 3.64L22.23 10.85L22.36 10.99L22.48 11.15L22.57 11.31L22.64 11.48L22.69 11.66L22.72 11.85L22.73 12.04L22.71 12.22L22.67 12.41L22.61 12.59L22.53 12.76L22.42 12.93L22.29 13.09L22.23 13.15L14.43 20.36L14.28 20.48L14.12 20.58L13.95 20.66L13.77 20.72L13.58 20.76L13.4 20.77L13.22 20.76L13.03 20.73L12.85 20.68L12.68 20.61L12.52 20.52L12.36 20.4L12.22 20.27L12.16 20.2L12.1 20.13L12.05 20.05L12.01 19.98L11.96 19.9L11.93 19.82L11.89 19.73L11.87 19.65L11.84 19.56L11.83 19.47L11.81 19.39L11.81 19.3L11.8 19.2L11.8 16.42L11 16.49L10.23 16.58L9.51 16.71L8.82 16.88L8.18 17.09L7.57 17.33L7.01 17.6L6.48 17.91L5.99 18.26L5.55 18.64L5.14 19.05L4.77 19.51L4.43 19.99L4.29 20.23L4.21 20.35L4.11 20.47L4 20.57L3.88 20.65L3.75 20.72L3.62 20.78L3.48 20.82L3.33 20.84L3.19 20.84L3.04 20.83L2.9 20.79L2.75 20.74L2.62 20.68L2.53 20.62L2.45 20.56L2.38 20.5L2.31 20.43L2.25 20.36L2.2 20.28L2.15 20.19L2.11 20.11L2.07 20.02L2.04 19.92L2.02 19.83L2.01 19.73L2 19.63L2.04 17.99L2.19 16.46L2.46 15.05L2.85 13.75L3.35 12.58L3.97 11.53L4.7 10.6L5.55 9.8L6.51 9.12L7.59 8.56L8.77 8.13L10.07 7.83L11.48 7.65L11.8 7.63L11.8 4.8L11.91 4.56L12.02 4.35L12.14 4.16L12.25 3.98L12.37 3.82L12.48 3.68L12.61 3.56L12.73 3.46L12.85 3.38L12.98 3.31L13.11 3.27L13.24 3.24L13.37 3.23L13.46 3.23L13.55 3.24Z" id="b13RmHDQtl"></path>
            </defs>
            <use xlink:href="#b13RmHDQtl" opacity="1" fill="#fff" fill-opacity="1"></use>
          </svg>`; */
          bubbleContainer.append(goto);
          bubble.dataset.savedFrom = message.savedFrom;
        }
        
        if(!bubble.classList.contains('sticker')) {
          let nameDiv = document.createElement('div');
          nameDiv.classList.add('name');
          nameDiv.dataset.peerID = message.fwdFromID;

          if(this.peerID == this.myID) {
            nameDiv.style.color = appPeersManager.getPeerColorByID(message.fwdFromID, false);
            nameDiv.innerHTML = title;
          } else {
            nameDiv.innerHTML = 'Forwarded from ' + title;
          }
          
          bubbleContainer.append(nameDiv);
        }
      } else {
        if(message.reply_to_mid) {
          let originalMessage = appMessagesManager.getMessage(message.reply_to_mid);
          let originalPeerTitle = appPeersManager.getPeerTitle(originalMessage.fromID, true) || '';
          
          /////////this.log('message to render reply', originalMessage, originalPeerTitle, bubble, message);
          
          // need to download separately
          if(originalMessage._ == 'messageEmpty') {
            //////////this.log('message to render reply empty, need download', message, message.reply_to_mid);
            appMessagesManager.wrapSingleMessage(message.reply_to_mid);
            this.needUpdate.push({replyMid: message.reply_to_mid, mid: message.mid});
            
            originalPeerTitle = 'Loading...';
          }
          
          if(originalMessage.mid) {
            bubble.setAttribute('data-original-mid', originalMessage.mid);
          } else {
            bubble.setAttribute('data-original-mid', message.reply_to_mid);
          }
          
          bubbleContainer.append(wrapReply(originalPeerTitle, originalMessage.message || '', originalMessage));
          bubble.classList.add('is-reply');
        }
        
        if(!bubble.classList.contains('sticker') && (peerID < 0 && peerID != message.fromID)) {
          let nameDiv = document.createElement('div');
          nameDiv.classList.add('name');
          nameDiv.innerHTML = title;
          nameDiv.style.color = appPeersManager.getPeerColorByID(message.fromID, false);
          nameDiv.dataset.peerID = message.fromID;
          bubbleContainer.append(nameDiv);
        } else /* if(!message.reply_to_mid) */ {
          bubble.classList.add('hide-name');
        }
      }
      
      if((!our && this.peerID < 0 && (!appPeersManager.isChannel(this.peerID) || appPeersManager.isMegagroup(this.peerID))) 
        || (this.peerID == this.myID && !message.reply_to_mid)) {
        let avatarElem = new AvatarElement();
        avatarElem.classList.add('user-avatar');

        if(!message.fromID && message.fwd_from && message.fwd_from.from_name) {
          avatarElem.setAttribute('peer-title', message.fwd_from.from_name);
        }

        avatarElem.setAttribute('peer', '' + ((message.fwd_from && this.peerID == this.myID ? message.fwdFromID : message.fromID) || 0));
        
        this.log('exec loadDialogPhoto', message);

        bubbleContainer.append(avatarElem);
      }
    } else {
      bubble.classList.add('hide-name');
    }
    
    bubble.classList.add(isOut ? 'is-out' : 'is-in');
    if(updatePosition) {
      this.bubbleGroups.addBubble(bubble, message, reverse);

      this.renderMessagesQueue(message, bubble, reverse);
    } else {
      this.bubbleGroups.updateGroupByMessageID(message.mid);
    }

    return bubble;
  }

  public performHistoryResult(history: number[], reverse: boolean, isBackLimit: boolean, additionMsgID: number) {
    // commented bot getProfile in getHistory!
    if(!history/* .filter((id: number) => id > 0) */.length) {
      if(!isBackLimit) {
        this.scrolledAll = true;
      } else {
        this.scrolledAllDown = true;
      }
    }

    history = history.slice(); // need

    if(additionMsgID) {
      history.unshift(additionMsgID);
    }

    /* if(testScroll && additionMsgID) {
      for(let i = 0; i < 3; ++i) {
        let _history = history.slice();
        setTimeout(() => {
          this.performHistoryResult(_history, reverse, isBackLimit, 0, resetPromises);
        }, 0);
      }
    } */

    let dialog = appMessagesManager.getDialogByPeerID(this.peerID)[0];
    if(dialog && dialog.top_message) {
      for(let mid of history) {
        if(mid == dialog.top_message) {
          this.scrolledAllDown = true;
          break;
        }
      }
    }

    console.time('appImManager render history');

    return new Promise<boolean>((resolve, reject) => {
      let method = (reverse ? history.shift : history.pop).bind(history);

      let realLength = this.scrollable.length;
      let previousScrollHeightMinusTop: number;
      if(realLength > 0 && reverse) { // for safari need set when scrolling bottom too
        this.messagesQueueOnRender = () => {
          let scrollTop = this.scrollable.scrollTop;

          previousScrollHeightMinusTop = this.scrollable.scrollHeight - scrollTop;
          /* if(reverse) {
            previousScrollHeightMinusTop = this.scrollable.scrollHeight - scrollTop;
          } else {
            previousScrollHeightMinusTop = scrollTop;
          } */

          this.log('performHistoryResult: messagesQueueOnRender, scrollTop:', scrollTop, previousScrollHeightMinusTop);
          this.messagesQueueOnRender = undefined;
        };
      }

      while(history.length) {
        let message = appMessagesManager.getMessage(method());
        this.renderMessage(message, reverse, true);
      }

      (this.messagesQueuePromise || Promise.resolve()).then(() => {
        if(previousScrollHeightMinusTop !== undefined) {
          const newScrollTop = reverse ? this.scrollable.scrollHeight - previousScrollHeightMinusTop : previousScrollHeightMinusTop;
          this.log('performHistoryResult: will set scrollTop', this.scrollable.scrollHeight, newScrollTop, this.scrollable.container.clientHeight);
          this.scrollable.scrollTop = newScrollTop;
        }

        resolve(true);
      }, reject);
    }).then(() => {
      console.timeEnd('appImManager render history');

      return true;
    });
  }
  
  // reverse means scroll up
  public getHistory(maxID = 0, reverse = false, isBackLimit = false, additionMsgID = 0): {cached: boolean, promise: Promise<boolean>} {
    let peerID = this.peerID;

    //console.time('appImManager call getHistory');
    let pageCount = appPhotosManager.windowH / 38/*  * 1.25 */ | 0;
    //let loadCount = Object.keys(this.bubbles).length > 0 ? 50 : pageCount;
    let realLoadCount = Object.keys(this.bubbles).length > 0 ? Math.max(40, pageCount) : pageCount;//let realLoadCount = 50;
    let loadCount = realLoadCount;
    
    if(testScroll) {
      //loadCount = 1;
      if(Object.keys(this.bubbles).length > 0)
      return {cached: false, promise: Promise.resolve(true)};
    }
    
    ////console.time('render history total');
    
    let backLimit = 0;
    if(isBackLimit) {
      backLimit = loadCount;

      if(!reverse) { // if not jump
        loadCount = 0;
        maxID += 1;
      }
    }

    let result = appMessagesManager.getHistory(this.peerID, maxID, loadCount, backLimit);

    let promise: Promise<boolean>, cached: boolean;
    if(result instanceof Promise) {
      cached = false;
      promise = result.then((result) => {
        this.log('getHistory not cached result by maxID:', maxID, reverse, isBackLimit, result, peerID);
        
        //console.timeEnd('appImManager call getHistory');
        
        if(this.peerID != peerID) {
          this.log.warn('peer changed');
          ////console.timeEnd('render history total');
          return Promise.reject();
        }
        
        ////console.timeEnd('render history total');
        
        return this.performHistoryResult(result.history || [], reverse, isBackLimit, additionMsgID);
      }, (err) => {
        this.log.error('getHistory error:', err);
        (reverse ? this.getHistoryTopPromise = undefined : this.getHistoryBottomPromise = undefined);
        return false;
      });
    } else {
      cached = true;
      this.log('getHistory cached result by maxID:', maxID, reverse, isBackLimit, result, peerID);
      promise = this.performHistoryResult(result.history || [], reverse, isBackLimit, additionMsgID);
      //return (reverse ? this.getHistoryTopPromise = promise : this.getHistoryBottomPromise = promise);
      //return this.performHistoryResult(result.history || [], reverse, isBackLimit, additionMsgID, true);
    }

    (reverse ? this.getHistoryTopPromise = promise : this.getHistoryBottomPromise = promise);

    /* false &&  */promise.then(() => {
      if(reverse) {
        this.loadedTopTimes++;
        this.loadedBottomTimes = Math.max(0, --this.loadedBottomTimes);
      } else {
        this.loadedBottomTimes++;
        this.loadedTopTimes = Math.max(0, --this.loadedTopTimes);
      }

      let ids: number[];
      if((reverse && this.loadedTopTimes > 2) || (!reverse && this.loadedBottomTimes > 2)) {
        ids = Object.keys(this.bubbles).map(i => +i).sort((a, b) => a - b);
      }

      //let removeCount = loadCount / 2;
      let safeCount = realLoadCount * 2; // cause i've been runningrunningrunning all day
      this.log('getHistory: slice loadedTimes:', reverse, pageCount, this.loadedTopTimes, this.loadedBottomTimes, ids && ids.length, safeCount);
      if(ids && ids.length > safeCount) {
        if(reverse) {
          //ids = ids.slice(-removeCount);
          //ids = ids.slice(removeCount * 2);
          ids = ids.slice(safeCount);
          this.scrolledAllDown = false;
        } else {
          //ids = ids.slice(0, removeCount);
          //ids = ids.slice(0, ids.length - (removeCount * 2));
          ids = ids.slice(0, ids.length - safeCount);
          this.scrolledAll = false;
          this.log('getHistory: slice bottom: to:', ids.length, loadCount);
        }

        this.log('getHistory: will slice ids:', ids, reverse);

        this.deleteMessagesByIDs(ids);
      }

      (reverse ? this.getHistoryTopPromise = undefined : this.getHistoryBottomPromise = undefined);

      this.setUnreadDelimiter(); // не нашёл места лучше
    });

    return {cached, promise};
  }

  public setUnreadDelimiter() {
    let dialog = appMessagesManager.getDialogByPeerID(this.peerID)[0];
    if(!dialog?.unread_count) return;

    let maxID = dialog.read_inbox_max_id;
    maxID = Object.keys(this.bubbles).filter(mid => !this.bubbles[mid].classList.contains('is-out')).map(i => +i).sort((a, b) => a - b).find(i => i > maxID);

    if(maxID && this.bubbles[maxID]) {
      let bubble = this.bubbles[maxID];
      if(this.firstUnreadBubble && this.firstUnreadBubble != bubble) {
        this.firstUnreadBubble.classList.remove('is-first-unread');
        this.firstUnreadBubble = null;
      }

      if(maxID != dialog.top_message) {
        bubble.classList.add('is-first-unread');
      }

      this.firstUnreadBubble = bubble;
    }
  }

  public deleteEmptyDateGroups() {
    for(let i in this.dateMessages) {
      let dateMessage = this.dateMessages[i];

      if(dateMessage.container.childElementCount == 2) { // only date div + sentinel div
        dateMessage.container.remove();
        this.stickyIntersector.unobserve(dateMessage.container, dateMessage.div);
        delete this.dateMessages[i];
      }
    }
  }
  
  public setMutedState(muted = false) {
    appSidebarRight.profileElements.notificationsCheckbox.checked = !muted;
    appSidebarRight.profileElements.notificationsStatus.innerText = muted ? 'Disabled' : 'Enabled';

    if(appPeersManager.isBroadcast(this.peerID)) { // not human
      this.btnMute.classList.remove('tgico-mute', 'tgico-unmute');
      this.btnMute.classList.add(muted ? 'tgico-unmute' : 'tgico-mute');
      this.btnMute.style.display = '';
    } else {
      this.btnMute.style.display = 'none';
    }
    
    this.btnMenuMute.classList.remove('tgico-mute', 'tgico-unmute');
    this.btnMenuMute.classList.add(muted ? 'tgico-unmute' : 'tgico-mute');
    let rp = this.btnMenuMute.firstElementChild;
    this.btnMenuMute.innerText = muted ? 'Unmute' : 'Mute';
    this.btnMenuMute.appendChild(rp);
  }
  
  public mutePeer(peerID: number) {
    let inputPeer = appPeersManager.getInputPeerByID(peerID);
    let inputNotifyPeer = {
      _: 'inputNotifyPeer',
      peer: inputPeer
    };
    
    let settings = {
      _: 'inputPeerNotifySettings',
      flags: 0,
      mute_until: 0
    };

    let dialog = appMessagesManager.getDialogByPeerID(peerID)[0];
    let muted = true;
    if(dialog && dialog.notify_settings) {
      muted = dialog.notify_settings.mute_until > (Date.now() / 1000 | 0);
    }
    
    if(!muted) {
      settings.flags |= 1 << 2;
      settings.mute_until = 2147483647;
    } else {
      settings.flags |= 2;
    }
    
    apiManager.invokeApi('account.updateNotifySettings', {
      peer: inputNotifyPeer,
      settings: settings
    }).then(bool => {
      this.handleUpdate({_: 'updateNotifySettings', peer: inputNotifyPeer, notify_settings: settings});
    });
    
    /* return apiManager.invokeApi('account.getNotifySettings', {
      peer: inputNotifyPeer
    }).then((settings: any) => {
      settings.flags |= 2 << 1;
      settings.mute_until = 2000000000; // 2147483646
      
      return apiManager.invokeApi('account.updateNotifySettings', {
        peer: inputNotifyPeer,
        settings: Object.assign(settings, {
          _: 'inputPeerNotifySettings'
        })
      }).then(res => {
        this.log('mute result:', res);
      });
    }); */
    
  }
  
  public handleUpdate(update: any) {
    switch(update._) {
      case 'updateUserTyping':
      case 'updateChatUserTyping': {
        if(this.myID == update.user_id) {
          return;
        }
        
        var peerID = update._ == 'updateUserTyping' ? update.user_id : -update.chat_id;
        this.typingUsers[update.user_id] = peerID;
        
        if(!appUsersManager.hasUser(update.user_id)) {
          if(update.chat_id && appChatsManager.hasChat(update.chat_id) && !appChatsManager.isChannel(update.chat_id)) {
            appProfileManager.getChatFull(update.chat_id);
          }
          
          //return;
        }
        
        appUsersManager.forceUserOnline(update.user_id);
        
        let dialog = appMessagesManager.getDialogByPeerID(peerID)[0];
        let currentPeer = this.peerID == peerID;
        
        if(this.typingTimeouts[peerID]) clearTimeout(this.typingTimeouts[peerID]);
        else if(dialog) {
          appDialogsManager.setTyping(dialog, appUsersManager.getUser(update.user_id));
          
          if(currentPeer) { // user
            this.setPeerStatus();
          }
        }
        
        this.typingTimeouts[peerID] = setTimeout(() => {
          this.typingTimeouts[peerID] = 0;
          delete this.typingUsers[update.user_id];
          
          if(dialog) {
            appDialogsManager.unsetTyping(dialog);
          }
          
          // лень просчитывать случаи
          this.setPeerStatus();
        }, 6000);

        break;
      }
      
      case 'updateNotifySettings': {
        let {peer, notify_settings} = update;
        
        // peer was NotifyPeer
        peer = peer.peer;
        
        let peerID = appPeersManager.getPeerID(peer);
        
        let dialog = appMessagesManager.getDialogByPeerID(peerID)[0];
        if(dialog) {
          dialog.notify_settings = notify_settings;
        }
        
        if(peerID == this.peerID) {
          let muted = notify_settings.mute_until ? new Date(notify_settings.mute_until * 1000) > new Date() : false;
          this.setMutedState(muted);
        }
        
        /////this.log('updateNotifySettings', peerID, notify_settings);
        break;
      }
      
      case 'updateChatPinnedMessage':
      case 'updateUserPinnedMessage': {
        let {id} = update;
        
        /////this.log('updateUserPinnedMessage', update);
        
        this.pinnedMsgID = id;
        // hz nado li tut appMessagesIDsManager.getFullMessageID(update.max_id, channelID);
        let peerID = update.user_id || -update.chat_id || -update.channel_id;
        if(peerID == this.peerID) {
          appMessagesManager.wrapSingleMessage(id);
        }
        
        break;
      }
    }
  }
}

const appImManager = new AppImManager();
(window as any).appImManager = appImManager;
export default appImManager;