//import apiManager from '../mtproto/apiManager';
import animationIntersector from '../../components/animationIntersector';
import AppMediaViewer from "../../components/appMediaViewer";
import AudioElement from '../../components/audio';
import AvatarElement from '../../components/avatar';
import BubbleGroups from '../../components/bubbleGroups';
import { ChatAudio } from '../../components/chat/audio';
import { ChatContextMenu } from '../../components/chat/contextMenu';
import { ChatInput } from '../../components/chat/input';
import { MessageRender } from '../../components/chat/messageRender';
import PinnedContainer from '../../components/chat/pinnedContainer';
import ReplyContainer from '../../components/chat/replyContainer';
import { ChatSearch } from '../../components/chat/search';
import { horizontalMenu } from '../../components/horizontalMenu';
import LazyLoadQueue from '../../components/lazyLoadQueue';
import { formatPhoneNumber, parseMenuButtonsTo } from '../../components/misc';
import PopupDatePicker from '../../components/popupDatepicker';
import PopupStickers from '../../components/popupStickers';
import ProgressivePreloader from '../../components/preloader';
import { ripple } from '../../components/ripple';
//import Scrollable from '../../components/scrollable';
import Scrollable from '../../components/scrollable';
import appSidebarLeft from "../../components/sidebarLeft";
import appSidebarRight, { AppSidebarRight, RIGHT_COLUMN_ACTIVE_CLASSNAME } from '../../components/sidebarRight';
import StickyIntersector from '../../components/stickyIntersector';
import { wrapAlbum, wrapDocument, wrapPhoto, wrapPoll, wrapReply, wrapSticker, wrapVideo } from '../../components/wrappers';
import mediaSizes from '../../helpers/mediaSizes';
import { isTouchSupported } from '../../helpers/touchSupport';
import { isAndroid, isApple, isSafari } from '../../helpers/userAgent';
import { InputNotifyPeer, InputPeerNotifySettings, NotifyPeer, Update } from '../../layer';
import { logger, LogLevels } from "../logger";
import apiManager from '../mtproto/mtprotoworker';
import { MOUNT_CLASS_TO } from '../mtproto/mtproto_config';
import { RichTextProcessor } from "../richtextprocessor";
import $rootScope from '../rootScope';
import { cancelEvent, findUpClassName, findUpTag, getObjectKeysAndSort, langPack, numberWithCommas, placeCaretAtEnd, whichChild } from "../utils";
import apiUpdatesManager from './apiUpdatesManager';
import appChatsManager, { Channel, Chat } from "./appChatsManager";
import appDialogsManager from "./appDialogsManager";
import appDocsManager from './appDocsManager';
import appInlineBotsManager from './AppInlineBotsManager';
import appMessagesManager, { Dialog } from "./appMessagesManager";
import appPeersManager from "./appPeersManager";
import appPhotosManager from "./appPhotosManager";
import appPollsManager from './appPollsManager';
import appProfileManager from "./appProfileManager";
import appStickersManager from './appStickersManager';
import appUsersManager from "./appUsersManager";


//console.log('appImManager included33!');

appSidebarLeft; // just to include

const TEST_SCROLL = false;

const LEFT_COLUMN_ACTIVE_CLASSNAME = 'is-left-column-shown';

const ANIMATION_GROUP = 'chat';

export class AppImManager {
  public columnEl = document.getElementById('column-center') as HTMLDivElement;
  public btnJoin = this.columnEl.querySelector('.chat-join') as HTMLButtonElement;
  public btnMute = this.columnEl.querySelector('.chat-mute-button') 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.columnEl.querySelector('.chat-search-button') as HTMLButtonElement;
  public goDownBtn = this.columnEl.querySelector('#bubbles-go-down') as HTMLButtonElement;
  private getHistoryTopPromise: Promise<boolean>;
  private getHistoryBottomPromise: Promise<boolean>;
  
  public chatInputC: ChatInput;
  public chatAudio: ChatAudio;

  private menuButtons: {
    search: HTMLButtonElement
    mute: HTMLButtonElement,
    delete: HTMLButtonElement
  } = {} as any;
  
  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: PinnedContainer = null;
  
  public lazyLoadQueue = new LazyLoadQueue();
  
  public scroll: HTMLElement = 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
  
  public topbar = document.getElementById('topbar') as HTMLDivElement;
  public chatInput = document.getElementById('chat-input') as HTMLDivElement;
  public chatInfo = this.columnEl.querySelector('.chat-info') as HTMLDivElement;
  private scrolledAll: boolean;
  private scrolledAllDown: boolean;
  
  public contextMenu = new ChatContextMenu(this.bubblesContainer);
  
  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 attachedUnreadBubble: boolean;

  private stickyIntersector: StickyIntersector = null;

  private cleanupID = 0;

  private mainColumns: HTMLElement;
  public _selectTab: ReturnType<typeof horizontalMenu>;
  public tabID = -1;
  private closeBtn = this.topbar.querySelector('.sidebar-close-button') as HTMLButtonElement;
  public hideRightSidebar = false;

  get myID() {
    return $rootScope.myID;
  }

  constructor() {
    apiUpdatesManager.attach();

    this.log = logger('IM', LogLevels.log | LogLevels.warn | LogLevels.debug | LogLevels.error);
    this.chatInputC = new ChatInput();
    this.preloader = new ProgressivePreloader(null, false);

    this.mainColumns = document.getElementById('main-columns');
    this._selectTab = horizontalMenu(null, this.mainColumns);
    this.selectTab(0);

    parseMenuButtonsTo(this.menuButtons, this.columnEl.querySelector('.chat-more-button').firstElementChild.children);
    
    this.chatAudio = new ChatAudio();
    this.chatInfo.nextElementSibling.prepend(this.chatAudio.divAndCaption.container);

    this.pinnedMessageContainer = new PinnedContainer('message', new ReplyContainer('pinned-message'));
    this.btnJoin.parentElement.insertBefore(this.pinnedMessageContainer.divAndCaption.container, this.btnJoin);

    // will call when message is sent (only 1)
    $rootScope.$on('history_append', (e) => {
      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) => {
      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) => {
      let msgIDsByPeer = e.detail;
      if(!(this.peerID in msgIDsByPeer)) return;
      
      let msgIDs = msgIDsByPeer[this.peerID];
      
      this.renderNewMessagesByIDs(msgIDs);
    });
    
    $rootScope.$on('history_delete', (e) => {
      let detail = e.detail;
      
      this.deleteMessagesByIDs(Object.keys(detail.msgs).map(s => +s));
    });

    $rootScope.$on('dialog_flush', (e) => {
      let peerID: number = e.detail.peerID;
      if(this.peerID == peerID) {
        this.deleteMessagesByIDs(Object.keys(this.bubbles).map(m => +m));
      }
    });

    $rootScope.$on('chat_update', (e) => {
      const peerID: number = e.detail;
      if(this.peerID == -peerID) {
        const chat = appChatsManager.getChat(peerID) as Channel | Chat;
        
        this.btnJoin.classList.toggle('hide', !chat?.pFlags?.left);
      }
    });
    
    // Calls when message successfully sent and we have an ID
    $rootScope.$on('message_sent', (e) => {
      const {tempID, mid} = e.detail;
      
      this.log('message_sent', e.detail);

      // set cached url to media
      const message = appMessagesManager.getMessage(mid);
      if(message.media) {
        if(message.media.photo) {
          const photo = appPhotosManager.getPhoto('' + tempID);
          if(/* photo._ != 'photoEmpty' */photo) {
            const newPhoto = message.media.photo;
            newPhoto.downloaded = photo.downloaded;
            newPhoto.url = photo.url;
          }
        } else if(message.media.document) {
          const doc = appDocsManager.getDoc('' + tempID);
          if(/* doc._ != 'documentEmpty' &&  */doc?.type && doc.type != 'sticker') {
            const 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 = getObjectKeysAndSort(appMessagesManager.groupedMessagesStorage[message.grouped_id]);
          (Array.from(items) as HTMLElement[]).forEach((item, idx) => {
            item.dataset.mid = '' + groupIDs[idx];
          });
        }

        if(message.media?.poll) {
          const newPoll = message.media.poll;
          const pollElement = bubble.querySelector('poll-element');
          if(pollElement) {
            pollElement.setAttribute('poll-id', newPoll.id);
            pollElement.setAttribute('message-id', '' + mid);
            delete appPollsManager.polls[tempID];
            delete appPollsManager.results[tempID];
          }
        }

        if(['audio', 'voice'].includes(message.media?.document?.type)) {
          const audio = bubble.querySelector('audio-element');
          audio.setAttribute('doc-id', message.media.document.id);
          audio.setAttribute('message-id', '' + mid);
        }

        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) => {
      let {peerID, mid, id, justMedia} = e.detail;
      
      if(peerID != this.peerID) return;
      const mounted = this.getMountedBubble(mid);
      if(!mounted) return;
      this.renderMessage(mounted.message, true, false, mounted.bubble, false);
    });
    
    $rootScope.$on('peer_pinned_message', (e) => {
      const peerID = e.detail;

      if(peerID == this.peerID) {
        (this.messagesQueuePromise || Promise.resolve()).then(() => {
          this.setPinnedMessage();
        });
      }
    });

    $rootScope.$on('messages_downloaded', (e) => {
      const mids: number[] = e.detail;
      
      mids.forEach(mid => {
        /* const promise = (this.scrollable.scrollLocked && this.scrollable.scrollLockedPromise) || Promise.resolve();
        promise.then(() => {

        }); */
        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) => {
      let update = e.detail;
      
      this.handleUpdate(update);
    });
    
    window.addEventListener('blur', () => {
      animationIntersector.checkAnimations(true);
      
      this.offline = $rootScope.idle.isIDLE = true;
      this.updateStatus();
      clearInterval(this.updateStatusInterval);
      
      window.addEventListener('focus', () => {
        this.offline = $rootScope.idle.isIDLE = false;
        this.updateStatus();
        this.updateStatusInterval = window.setInterval(() => this.updateStatus(), 50e3);

        // в обратном порядке
        animationIntersector.checkAnimations(false);
      }, {once: true});
    });
    
    this.topbar.addEventListener('click', (e) => {
      const pinned: HTMLElement = findUpClassName(e.target, 'pinned-container');
      if(pinned) {
        cancelEvent(e);
        
        const mid = +pinned.dataset.mid;
        const message = appMessagesManager.getMessage(mid);

        this.setPeer(message.peerID, mid);
      } else {
        appSidebarRight.toggleSidebar(true);
      }
    });
    
    this.bubblesContainer.addEventListener('click', (e) => {
      let target = e.target as HTMLElement;
      let bubble: HTMLElement = null;
      try {
        bubble = findUpClassName(target, 'bubble');
      } catch(err) {}
      
      if(!bubble) return;

      if(bubble.classList.contains('is-date') && findUpClassName(target, 'bubble__container')) {
        if(bubble.classList.contains('is-sticky') && !this.chatInner.classList.contains('is-scrolling')) {
          return;
        }

        for(let timestamp in this.dateMessages) {
          let d = this.dateMessages[timestamp];
          if(d.div == bubble) {
            new PopupDatePicker(new Date(+timestamp), this.onDatePick).show();
            break;
          }
        }

        return;
      }

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

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

      if(bubble.classList.contains('sticker') && target.parentElement.classList.contains('attachment')) {
        const messageID = +bubble.dataset.mid;
        const message = appMessagesManager.getMessage(messageID);

        const doc = message.media?.document;

        if(doc?.stickerSetInput) {
          new PopupStickers(doc.stickerSetInput).show();
        }

        return;
      }

      if((target.tagName == 'IMG' && !target.classList.contains('emoji') && target.parentElement.tagName != "AVATAR-ELEMENT" && !target.classList.contains('document-thumb')) 
        || target.classList.contains('album-item')
        || isVideoComponentElement
        || (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 withTail = this.bubbles[id].classList.contains('with-media-tail');
          let str = '.album-item img, .album-item video, .preview img, .preview video, ';
          if(withTail) {
            str += '.bubble__media-container';
          } else {
            str += '.attachment img, .attachment video';
          }

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

        targets.sort((a, b) => a.mid - b.mid);

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

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

        if(!targets[idx]) {
          this.log('no target for media viewer!', target);
          return;
        }

        new AppMediaViewer().openMedia(message, targets[idx].element, true, 
          targets.slice(0, idx), targets.slice(idx + 1)/* , !message.grouped_id */);
        
        //appMediaViewer.openMedia(message, target as HTMLImageElement);
        return;
      }
      
      if(['IMG', 'DIV', "AVATAR-ELEMENT"].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.classList.contains('forward')) {
          const mid = +bubble.dataset.mid;
          appSidebarRight.forwardTab.open([mid]);
          return;
        } else if(target.classList.contains('name')) {
          let peerID = +target.dataset.peerID;
          
          if(!isNaN(peerID)) {
            this.setPeer(peerID);
          }
          
          return;
        } else if(target.tagName == "AVATAR-ELEMENT") {
          let peerID = +target.getAttribute('peer');
          
          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.getAttribute('peer');
        
        if(!isNaN(peerID)) {
          this.setPeer(peerID);
        }
      }
      
      //console.log('chatInner click', e);
    });

    this.closeBtn.addEventListener('click', (e) => {
      cancelEvent(e);

      if(mediaSizes.isMobile) {
        //this.setPeer(0);
        this.selectTab(0);
      } else {
        const isNowOpen = document.body.classList.toggle(LEFT_COLUMN_ACTIVE_CLASSNAME);

        if(isNowOpen && document.body.classList.contains(RIGHT_COLUMN_ACTIVE_CLASSNAME)) {
          appSidebarRight.toggleSidebar(false, false);
          this.hideRightSidebar = isNowOpen;
        } else if(this.hideRightSidebar) {
          appSidebarRight.toggleSidebar(true);
        }
      }
    });
    
    this.searchBtn.addEventListener('click', (e) => {
      cancelEvent(e);
      if(this.peerID) {
        appSidebarRight.searchTab.open(this.peerID);
      }
    });

    this.btnMute.addEventListener('click', (e) => {
      cancelEvent(e);
      this.mutePeer(this.peerID);
    });

    this.btnJoin.addEventListener('click', (e) => {
      cancelEvent(e);

      this.btnJoin.setAttribute('disabled', 'true');
      appChatsManager.joinChannel(-this.peerID).finally(() => {
        this.btnJoin.removeAttribute('disabled');
      });
    });
    
    this.menuButtons.mute.addEventListener('click', (e) => {
      this.mutePeer(this.peerID);
    });

    this.menuButtons.search.addEventListener('click', (e) => {
      new ChatSearch();
    });
    
    let onKeyDown = (e: KeyboardEvent) => {
      if($rootScope.overlayIsActive) return;
      
      let target = e.target as HTMLElement;
      
      //if(target.tagName == 'INPUT') return;
      
      //this.log('onkeydown', e);

      if(e.key == 'Escape') {
        /* if(AppMediaViewer.wholeDiv.classList.contains('active')) {
          AppMediaViewer.buttons.close.click();
        } else */ if(appSidebarRight.historyTabIDs.slice(-1)[0] == AppSidebarRight.SLIDERITEMSIDS.forward) {
          appSidebarRight.forwardTab.closeBtn.click();
        } else if(this.chatInputC.replyElements.container.classList.contains('active')) {
          this.chatInputC.replyElements.cancelBtn.click();
        } else if(this.peerID != 0) { // hide current dialog
          this.setPeer(0);
        }
      } else if(e.key == 'Meta' || e.key == 'Control') {
        return;
      } else if(e.code == "KeyC" && (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.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) => {
      if(this.offline) { // ! but you can scroll the page without triggering 'focus', need something now
        return;
      }

      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).catch((err: any) => {
          this.log.error('readHistory err:', err);
          appMessagesManager.readHistory(this.peerID, max);
        });
      }
    });
  }

  public selectTab(id: number) {
    document.body.classList.toggle(LEFT_COLUMN_ACTIVE_CLASSNAME, id == 0);

    const prevTabID = this.tabID;
    this.tabID = id;
    if(mediaSizes.isMobile && prevTabID == 2 && id == 1) {
      //appSidebarRight.toggleSidebar(false);
      document.body.classList.remove(RIGHT_COLUMN_ACTIVE_CLASSNAME);
    }
    
    this._selectTab(id, mediaSizes.isMobile);
    //document.body.classList.toggle(RIGHT_COLUMN_ACTIVE_CLASSNAME, id == 2);
  }

  onDatePick = (timestamp: number) => {
    const peerID = this.peerID;
    appMessagesManager.requestHistory(peerID, 0, 2, -1, timestamp).then(history => {
      if(!history?.messages?.length) {
        this.log.error('no history!');
        return;
      } else if(this.peerID != peerID) {
        return;
      }

      appImManager.setPeer(this.peerID, history.messages[0].mid);
      //console.log('got history date:', history);
    });
  };

  public setPinnedMessage() {
    /////this.log('setting pinned message', message);
    //return;
    const message = appMessagesManager.getPinnedMessage(this.peerID);
    if(message && !message.deleted) {
      this.pinnedMessageContainer.fill('Pinned Message', message.message, message);
      this.pinnedMessageContainer.toggle(false);
      this.pinnedMsgID = message.mid;
    } else if(this.pinnedMsgID) {
      this.pinnedMsgID = 0;
      this.pinnedMessageContainer.toggle(true);
    }
  }
  
  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) {
    const group = appMessagesManager.groupedMessagesStorage[groupID];
    for(const mid in group) {
      if(this.bubbles[mid]) {
        return {
          bubble: this.bubbles[mid], 
          message: appMessagesManager.getMessage(+mid)
        };
      }
    }

    return null;
  }

  public loadMoreHistory(top: boolean, justLoad = false) {
    //this.log('loadMoreHistory', top);
    if(!this.peerID || TEST_SCROLL || 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, undefined, undefined, justLoad);
    }

    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, undefined, justLoad);
    }
  }
  
  public onScroll(e: Event) {
    if(this.onScrollRAF) window.cancelAnimationFrame(this.onScrollRAF);

    // * В таком случае, кнопка не будет моргать если чат в самом низу, и правильно отработает случай написания нового сообщения и проскролла вниз
    if(this.scrollable.scrollLocked && this.scrolledDown) return;

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

      if(!isTouchSupported) {
        if(this.isScrollingTimeout) {
          clearTimeout(this.isScrollingTimeout);
        } else if(!this.chatInner.classList.contains('is-scrolling')) {
          this.chatInner.classList.add('is-scrolling');
        }
  
        this.isScrollingTimeout = window.setTimeout(() => {
          this.chatInner.classList.remove('is-scrolling');
          this.isScrollingTimeout = 0;
        }, 1350);
      }
      
      if(this.scrollable.isScrolledDown) {
        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, 'IM', this.chatInner, 300);

    /* const getScrollOffset = () => {
      //return Math.round(Math.max(300, appPhotosManager.windowH / 1.5));
      return 300; 
    };

    window.addEventListener('resize', () => {
      this.scrollable.onScrollOffset = getScrollOffset();
    });

    this.scrollable = new Scrollable(this.bubblesContainer, 'y', 'IM', this.chatInner, getScrollOffset()); */
    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');

    if(isTouchSupported) {
      this.scroll.addEventListener('touchmove', () => {
        if(this.isScrollingTimeout) {
          clearTimeout(this.isScrollingTimeout);
        } else if(!this.chatInner.classList.contains('is-scrolling')) {
          this.chatInner.classList.add('is-scrolling');
        }
      }, {passive: true});

      this.scroll.addEventListener('touchend', () => {
        if(!this.chatInner.classList.contains('is-scrolling')) {
          return;
        }

        if(this.isScrollingTimeout) {
          clearTimeout(this.isScrollingTimeout);
        }

        this.isScrollingTimeout = window.setTimeout(() => {
          this.chatInner.classList.remove('is-scrolling');
          this.isScrollingTimeout = 0;
        }, 1350);
      }, {passive: true});
    }
  }
  
  public setPeerStatus(needClear = false) {
    if(!this.myID || !this.peerID) return;

    const profileElements = appSidebarRight.sharedMediaTab.profileElements;

    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');
      profileElements.subtitle.classList.remove('online');
      ///////this.log('setPeerStatus', chat);

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

      appProfileManager.getChatFull(chat.id).then((chatInfo: any) => {
        this.log('chatInfo res:', chatInfo);

        let participants_count = chatInfo.participants_count || (chatInfo.participants && chatInfo.participants.participants && chatInfo.participants.participants.length);
        if(participants_count) {
          let subtitle = numberWithCommas(participants_count) + ' ' + (isChannel ? 'followers' : 'members');

          this.subtitleEl.innerText = 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 = 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 = profileElements.subtitle.innerText = '';
      } else if(user) {
        let subtitle = appUsersManager.getUserStatusString(user.id);

        if(subtitle == 'online') {
          this.subtitleEl.classList.add('online');
          profileElements.subtitle.classList.add('online');
        }
        
        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');
            profileElements.subtitle.classList.remove('online');
          }
        }
      }
    } else {
      this.subtitleEl.innerText = 'bot';
      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.attachedUnreadBubble = false;

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

    this.getHistoryTopPromise = this.getHistoryBottomPromise = undefined;

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

    this.loadedTopTimes = this.loadedBottomTimes = 0;

    this.cleanupID++;

    ////console.timeEnd('appImManager cleanup');
  }

  public getMountedBubble(mid: number) {
    let message = appMessagesManager.getMessage(mid);

    let bubble = this.bubbles[mid];
    if(!bubble && message.grouped_id) {
      const a = this.getAlbumBubble(message.grouped_id);
      if(a) return a;
    }
    if(!bubble) return;

    return {bubble, message};
  }

  private findNextMountedBubbleByMsgID(mid: number) {
    return this.bubbles[getObjectKeysAndSort(this.bubbles).find(id => {
      if(id < mid) return false;
      return !!this.bubbles[id]?.parentElement;
    })];
  }

  /* public selectTab() {

  } */
  
  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 = 'none';
      this.goDownBtn.classList.add('hide');
      this.cleanup(true);
      this.peerID = $rootScope.selectedPeerID = 0;
      $rootScope.$broadcast('peer_changed', this.peerID);

      this.selectTab(0);
      
      document.body.classList.add(LEFT_COLUMN_ACTIVE_CLASSNAME);
      return false;
    }

    document.body.classList.remove(LEFT_COLUMN_ACTIVE_CLASSNAME);
    if(this.hideRightSidebar) {
      appSidebarRight.toggleSidebar(true);
      this.hideRightSidebar = false;
    }
    
    const samePeer = this.peerID == peerID;

    if(samePeer) { // fix for returning back
      this.selectTab(1);
    }
    
    if(this.setPeerPromise && samePeer) return this.setPeerPromise;

    const dialog = appMessagesManager.getDialogByPeerID(peerID)[0] || null;
    let topMessage = lastMsgID <= 0 ? lastMsgID : dialog?.top_message ?? 0; // убрать + 1 после создания базы референсов
    const isTarget = lastMsgID !== undefined;
    // @ts-ignore
    /* if(topMessage && dialog && dialog.top_message == topMessage && dialog.refetchTopMessage) {
      // @ts-ignore
      dialog.refetchTopMessage = false;
      topMessage += 1;
    } */
    if(!isTarget && dialog) {
      if(dialog.unread_count && !samePeer) {
        lastMsgID = dialog.read_inbox_max_id;
      } else {
        lastMsgID = dialog.top_message;
        //lastMsgID = topMessage;
      }
    }
    
    if(samePeer) {
      const mounted = this.getMountedBubble(lastMsgID);
      if(mounted) {
        if(isTarget) {
          this.scrollable.scrollIntoView(mounted.bubble);
          this.highlightBubble(mounted.bubble);
        } else if(dialog && lastMsgID == topMessage) {
          //this.log('will scroll down', this.scroll.scrollTop, this.scroll.scrollHeight);
          this.scroll.scrollTop = this.scroll.scrollHeight;
        }
        
        return true;
      }
    } else if(appSidebarRight.historyTabIDs[appSidebarRight.historyTabIDs.length - 1] == AppSidebarRight.SLIDERITEMSIDS.search) {
      appSidebarRight.searchTab.closeBtn?.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');

    if(!samePeer) {
      this.lazyLoadQueue.clear();
    }

    this.lazyLoadQueue.lock();

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

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

    // clear 
    if(!cached) {
      this.scrollable.container.innerHTML = '';
      //oldChatInner.remove();

      if(!samePeer) {
        this.finishPeerChange();
      }

      this.preloader.attach(this.bubblesContainer);

      this.selectTab(1);
    }

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

        if(cached) {
          this.scrollable.container.innerHTML = '';
          //oldChatInner.remove();

          if(!samePeer) {
            this.finishPeerChange();
          }

          this.selectTab(1);
        } else {
          this.preloader.detach();
        }

        this.scrollable.container.append(this.chatInner);
        animationIntersector.unlockGroup(ANIMATION_GROUP);
        animationIntersector.checkAnimations(false, ANIMATION_GROUP/* , true */);
        //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(dialog && (isTarget || (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 && !isTarget;
          if(!fromUp && (samePeer || forwardingUnread)) {
            this.scrollable.scrollTop = this.scrollable.scrollHeight;
          }

          let bubble: HTMLElement = forwardingUnread ? (this.firstUnreadBubble || this.bubbles[lastMsgID]) : this.bubbles[lastMsgID];
          if(!bubble?.parentElement) {
            bubble = this.findNextMountedBubbleByMsgID(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
        if(this.scrolledAllDown && dialog) { // lol
          appMessagesManager.readHistory(peerID, dialog.top_message);
        }

        if(dialog?.pFlags?.unread_mark) {
          appMessagesManager.markDialogUnread(peerID, true);
        }

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

    return this.setPeerPromise;
  }

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

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

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

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

    const canWrite = (!isChannel || hasRights) && (peerID < 0 || appUsersManager.canSendToUser(peerID));
    this.chatInput.style.display = canWrite ? '' : 'none';

    this.chatInner.classList.toggle('is-chat-input-hidden', !canWrite);

    this.topbar.classList.remove('is-pinned-shown');
    this.topbar.style.display = '';
    
    this.chatInner.classList.toggle('is-chat', isAnyGroup || peerID == this.myID);
    this.chatInner.classList.toggle('is-channel', isChannel);
    this.goDownBtn.classList.toggle('is-broadcast', isBroadcast);

    this.btnMute.classList.toggle('hide', !isBroadcast);
    this.btnJoin.classList.toggle('hide', !appChatsManager.getChat(-this.peerID)?.pFlags?.left);
    
    this.menuButtons.mute.style.display = this.myID == this.peerID ? 'none' : '';

    this.setPinnedMessage();

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

      this.goDownBtn.classList.remove('hide');

      this.setPeerStatus(true);
    });

    appSidebarRight.sharedMediaTab.fillProfileElements();

    $rootScope.$broadcast('peer_changed', this.peerID);
  }
  
  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();
    });
    
    animationIntersector.checkAnimations(false, ANIMATION_GROUP);
    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) {
      if(this.scrollable.isScrolledDown && !this.scrollable.scrollLocked) {
        //this.log('renderNewMessagesByIDs: messagesQueuePromise before will set prev max');
        this.scrollable.scrollTo(this.scrollable.scrollHeight - 1, 'top', false, true);
      }
      
      this.messagesQueuePromise.then(() => {
        //this.log('renderNewMessagesByIDs: messagesQueuePromise after', this.scrollable.isScrolledDown);
        this.scrollable.scrollTo(this.scrollable.scrollHeight, 'top', true, true);

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

  public highlightBubble(element: HTMLElement) {
    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) {
    const date = new Date(message.date * 1000);
    date.setHours(0, 0, 0);
    const dateTimestamp = date.getTime();
    if(!(dateTimestamp in this.dateMessages)) {
      let str = '';
      
      const today = new Date();
      today.setHours(0, 0, 0, 0);
      
      if(today.getTime() == date.getTime()) {
        str = 'Today';
      } else {
        const months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];

        str = months[date.getMonth()] + ' ' + date.getDate();

        if(date.getFullYear() != today.getFullYear()) {
          str += ', ' + date.getFullYear();
        }
      }
      
      const 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);

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

      container.append(div);

      if(reverse) {
        this.scrollable.prepend(container, false);
      } else {
        this.scrollable.append(container, false);
      }

      this.stickyIntersector.observeStickyHeaderChanges(container);
    }

    return this.dateMessages[dateTimestamp];
  }

  public renderMessagesQueue(message: any, bubble: HTMLDivElement, reverse: boolean) {
    /* let dateMessage = this.getDateContainerByMessage(message, reverse);
    if(reverse) dateMessage.container.insertBefore(bubble, dateMessage.div.nextSibling);
    else dateMessage.container.append(bubble);
    return; */

    //this.log('renderMessagesQueue');

    let promises: Promise<any>[] = [];
    (Array.from(bubble.querySelectorAll('img, video')) as HTMLImageElement[]).forEach(el => {
      if(el instanceof HTMLVideoElement) {
        if(!el.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 promise = new Promise((resolve, reject) => {
        let r: () => boolean;
        let onLoad = () => {
          clearTimeout(timeout);
          resolve();

          // lol
          el.removeEventListener(el instanceof HTMLVideoElement ? 'canplay' : 'load', onLoad);
        };

        if(el instanceof HTMLVideoElement) {
          el.addEventListener('canplay', onLoad);
          r = () => el.readyState >= 1;
        } else {
          el.addEventListener('load', onLoad);
          r = () => el.complete;
        }

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

        let timeout = setTimeout(() => {
          // @ts-ignore
          //this.log.error('did not called', el, el.parentElement, el.complete, el.readyState, src);
          resolve();
        }, 1500);
      });

      promises.push(promise);
    });

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

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

          const promises = queue.reduce((acc, {promises}) => acc.concat(promises), []);

          // * это нужно для того, чтобы если захочет подгрузить reply или какое-либо сообщение, то скролл не прервался
          if(this.scrollable.scrollLocked) {
            promises.push(this.scrollable.scrollLockedPromise);
          }

          //this.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}) => {
              const dateMessage = this.getDateContainerByMessage(message, reverse);
              if(reverse) {
                dateMessage.container.insertBefore(bubble, dateMessage.div.nextSibling);
              } else {
                dateMessage.container.append(bubble);
              }
            });

            resolve();
            this.messagesQueuePromise = null;
          }, reject);
        }, 0);
      });
    }
  }

  private getMiddleware() {
    let cleanupID = this.cleanupID;
    return () => {
      return this.cleanupID == cleanupID;
    };
  }
  
  // reverse means top
  public renderMessage(message: any, reverse = false, multipleRender = false, bubble: HTMLDivElement = null, updatePosition = true) {
    this.log.debug('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 {
      const save = ['is-selected'];
      const wasClassNames = bubble.className.split(' ');
      const classNames = ['bubble'].concat(save.filter(c => wasClassNames.includes(c)));
      bubble.className = classNames.join(' ');

      bubbleContainer = bubble.firstElementChild as HTMLDivElement;
      bubbleContainer.innerHTML = '';
      bubbleContainer.style.marginBottom = '';

      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(langPack.hasOwnProperty(_) && !langPack[_]) {
        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;
    }

    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;
      }
    } else {
      messageMessage = message.message;
      totalEntities = message.totalEntities;
    }
    
    let richText = RichTextProcessor.wrapRichText(messageMessage, {
      entities: totalEntities
    });
    
    let messageMedia = message.media;

    if(totalEntities && !messageMedia) {
      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;
    }
    
    const timeSpan = MessageRender.setTime(message, bubble, bubbleContainer, messageDiv);
    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) {
      const rows = message.reply_markup.rows;

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

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

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

          let buttonEl: HTMLButtonElement | HTMLAnchorElement;
          
          switch(button._) {
            case 'keyboardButtonUrl': {
              const from = appUsersManager.getUser(message.fromID);
              const unsafe = !(from && from.pFlags && from.pFlags.verified);
              const 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;

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

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

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

      const 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) {
                const photo = appPhotosManager.getPhoto(message.id);
                //if(photo._ == 'photoEmpty') break;
                this.log('will wrap pending photo:', pending, message, photo);
                const tailSupported = !isAndroid;
                if(tailSupported) bubble.classList.add('with-media-tail');
                wrapPhoto(photo, message, attachmentDiv, undefined, undefined, tailSupported, true, this.lazyLoadQueue, null);

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

              break;
            }

            case 'video': {
              //if(pending.size < 5e6) {
                let doc = appDocsManager.getDoc(message.id);
                //if(doc._ == 'documentEmpty') break;
                this.log('will wrap pending video:', pending, message, doc);
                const tailSupported = !isAndroid && !isApple && doc.type != 'round';
                if(tailSupported) bubble.classList.add('with-media-tail');
                wrapVideo({
                  doc, 
                  container: attachmentDiv, 
                  message, 
                  boxWidth: mediaSizes.active.regular.width,
                  boxHeight: mediaSizes.active.regular.height, 
                  withTail: tailSupported, 
                  isOut: isOut,
                  lazyLoadQueue: this.lazyLoadQueue,
                  middleware: null,
                  group: ANIMATION_GROUP
                });

                preloader.attach(attachmentDiv, false);
                bubble.classList.add('hide-name', 'video');
              //}
              break;
            }
            
            case 'audio':
            case 'voice':
            case 'document': {
              const doc = appDocsManager.getDoc(message.id);
              //if(doc._ == 'documentEmpty') break;
              this.log('will wrap pending doc:', doc);
              const docDiv = wrapDocument(doc, false, true, message.id);

              if(doc.type == 'audio' || doc.type == 'voice') {
                (docDiv as AudioElement).preloader = preloader;
              } else {
                const icoDiv = docDiv.querySelector('.audio-download, .document-ico');
                preloader.attach(icoDiv, false);
              }

              if(pending.type == 'voice') {
                bubble.classList.add('bubble-audio');
              }
              
              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');
          const tailSupported = !isAndroid;
          if(tailSupported) bubble.classList.add('with-media-tail');

          if(message.grouped_id) {
            bubble.classList.add('is-album');

            let storage = appMessagesManager.groupedMessagesStorage[message.grouped_id];
            if(Object.keys(storage).length != 1) {
              wrapAlbum({
                groupID: message.grouped_id, 
                attachmentDiv,
                middleware: this.getMiddleware(),
                isOut: our,
                lazyLoadQueue: this.lazyLoadQueue
              });

              break;
            }
          }

          wrapPhoto(photo, message, attachmentDiv, undefined, undefined, tailSupported, isOut, this.lazyLoadQueue, this.getMiddleware());

          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 previewResizer: HTMLDivElement, preview: HTMLDivElement;
          if(webpage.photo || webpage.document) {
            previewResizer = document.createElement('div');
            previewResizer.classList.add('preview-resizer');
            preview = document.createElement('div');
            preview.classList.add('preview');
            previewResizer.append(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: mediaSizes.active.webpage.width,
                boxHeight: mediaSizes.active.webpage.height,
                lazyLoadQueue: this.lazyLoadQueue,
                middleware: this.getMiddleware(),
                isOut,
                group: ANIMATION_GROUP
              });
              //}
            } else {
              doc = null;
            }
          }
          
          if(previewResizer) {
            quote.append(previewResizer);
          }
          
          let quoteTextDiv = document.createElement('div');
          quoteTextDiv.classList.add('quote-text');

          if(webpage.site_name) {
            let nameEl = document.createElement('a');
            nameEl.classList.add('name');
            nameEl.setAttribute('target', '_blank');
            nameEl.href = webpage.url || '#';
            nameEl.innerHTML = RichTextProcessor.wrapEmojiText(webpage.site_name);
            quoteTextDiv.append(nameEl);
          }

          if(webpage.rTitle) {
            let titleDiv = document.createElement('div');
            titleDiv.classList.add('title');
            titleDiv.innerHTML = webpage.rTitle;
            quoteTextDiv.append(titleDiv);
          }

          if(webpage.rDescription) {
            let textDiv = document.createElement('div');
            textDiv.classList.add('text');
            textDiv.innerHTML = webpage.rDescription;
            quoteTextDiv.append(textDiv);
          }

          quote.append(quoteTextDiv);

          if(webpage.photo && !doc) {
            bubble.classList.add('photo');

            const size = webpage.photo.sizes[webpage.photo.sizes.length - 1];
            if(size.w == size.h && quoteTextDiv.childElementCount) {
              bubble.classList.add('is-square-photo');
            } else if(size.h > size.w) {
              bubble.classList.add('is-vertical-photo');
            }

            wrapPhoto(webpage.photo, message, preview, mediaSizes.active.webpage.width, mediaSizes.active.webpage.height, false, isOut, this.lazyLoadQueue, this.getMiddleware());
          }
          
          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: this.getMiddleware(),
              lazyLoadQueue: this.lazyLoadQueue,
              group: ANIMATION_GROUP,
              //play: !!message.pending || !multipleRender,
              play: true,
              loop: true,
              emoji: bubble.classList.contains('emoji-big') ? messageMessage : undefined,
              withThumb: true
            });

            break;
          } else if(doc.type == 'video' || doc.type == 'gif' || doc.type == 'round'/*  && doc.size <= 20e6 */) {
            //this.log('never get free 2', doc);
            
            bubble.classList.add('hide-name', doc.type == 'round' ? 'round' : 'video');
            if(message.grouped_id) {
              bubble.classList.add('is-album');
  
              wrapAlbum({
                groupID: message.grouped_id, 
                attachmentDiv,
                middleware: this.getMiddleware(),
                isOut: our,
                lazyLoadQueue: this.lazyLoadQueue
              });
            } else {
              const tailSupported = !isAndroid && !isApple && doc.type != 'round';
              if(tailSupported) bubble.classList.add('with-media-tail');
              wrapVideo({
                doc, 
                container: attachmentDiv, 
                message, 
                boxWidth: mediaSizes.active.regular.width,
                boxHeight: mediaSizes.active.regular.height, 
                withTail: tailSupported, 
                isOut: isOut,
                lazyLoadQueue: this.lazyLoadQueue,
                middleware: this.getMiddleware(),
                group: ANIMATION_GROUP
              });
            }
            
            break;
          } else if(doc.mime_type == 'audio/ogg') {
            let docDiv = wrapDocument(doc, false, false, message.mid);
            
            bubble.classList.remove('is-message-empty');
            
            bubble.classList.add('bubble-audio');
            messageDiv.append(docDiv);
            processingWebPage = true;
            
            break;
          } else {
            let docDiv = wrapDocument(doc, false, false, message.mid);
            
            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(bubble.classList.contains('is-message-empty') && (bubble.classList.contains('photo') || bubble.classList.contains('video'))) {
        bubble.classList.add('no-tail');

        if(!bubble.classList.contains('with-media-tail')) {
          bubble.classList.add('use-border-radius');
        }
      } */
    }
    
    if((this.peerID < 0 && !our) || message.fwd_from || message.reply_to_mid) { // chat
      let title = appPeersManager.getPeerTitle(message.fwdFromID || message.fromID);

      const isForwardFromChannel = message.from_id && message.from_id._ == 'peerChannel' && message.fromID == message.fwdFromID;
      
      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 && !isForwardFromChannel) {
          bubble.classList.add('forwarded');
        }
        
        if(message.savedFrom) {
          let goto = document.createElement('div');
          goto.classList.add('bubble-beside-button', 'goto-original', 'tgico-next');
          bubbleContainer.append(goto);
          bubble.dataset.savedFrom = message.savedFrom;
          bubble.classList.add('with-beside-button');
        }
        
        if(!bubble.classList.contains('sticker')) {
          let nameDiv = document.createElement('div');
          nameDiv.classList.add('name');
          nameDiv.dataset.peerID = message.fwdFromID;

          if(this.peerID == this.myID || isForwardFromChannel) {
            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 || originalMessage.fwdFromID, 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.fwdFromID && message.fwd_from && message.fwd_from.from_name) {
          avatarElem.setAttribute('peer-title', /* '🔥 FF 🔥' */message.fwd_from.from_name);
        }

        avatarElem.setAttribute('peer', '' + (((message.fwd_from && this.peerID == this.myID) || isForwardFromChannel ? message.fwdFromID : message.fromID) || 0));
        avatarElem.update();
        
        //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) => {
      //await new Promise((resolve) => setTimeout(resolve, 1e3));

      //this.log('performHistoryResult: will render some messages:', history.length);

      const method = (reverse ? history.shift : history.pop).bind(history);

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

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

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

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

      (this.messagesQueuePromise || Promise.resolve())
      //.then(() => new Promise(resolve => setTimeout(resolve, 100)))
      .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);

          // touchSupport for safari iOS
          isTouchSupported && isApple && (this.scrollable.container.style.overflow = 'hidden');
          this.scrollable.scrollTop = newScrollTop;
          //this.scrollable.scrollTop = this.scrollable.scrollHeight;
          isTouchSupported && isApple && (this.scrollable.container.style.overflow = '');

          //this.log('performHistoryResult: have set up scrollTop:', newScrollTop, this.scrollable.scrollTop);
        }

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

      return true;
    });
  }

  /**
   * Load and render history
   * @param maxID max message id
   * @param reverse 'true' means up
   * @param isBackLimit is search
   * @param additionMsgID for the last message
   * @param justLoad do not render
   */
  public getHistory(maxID = 0, reverse = false, isBackLimit = false, additionMsgID = 0, justLoad = false): {cached: boolean, promise: Promise<boolean>} {
    const peerID = this.peerID;

    //console.time('appImManager call getHistory');
    const pageCount = appPhotosManager.windowH / 38/*  * 1.25 */ | 0;
    //const loadCount = Object.keys(this.bubbles).length > 0 ? 50 : pageCount;
    const realLoadCount = Object.keys(this.bubbles).length > 0 ? Math.max(40, pageCount) : pageCount;//const realLoadCount = 50;
    let loadCount = realLoadCount;
    
    if(TEST_SCROLL) {
      //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;
      }
    }

    const 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, justLoad);

        if(justLoad) {
          this.scrollable.onScroll(); // нужно делать из-за ранней прогрузки
          return true;
        }
        //console.timeEnd('appImManager call getHistory');
        
        if(this.peerID != peerID || (this.getHistoryTopPromise != promise && this.getHistoryBottomPromise != promise)) {
          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);
        return false;
      });
    } else if(justLoad) {
      return null;
    } else {
      cached = true;
      this.log('getHistory cached result by maxID:', maxID, reverse, isBackLimit, result, peerID, justLoad);
      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);

    promise.finally(() => {
      (reverse ? this.getHistoryTopPromise = undefined : this.getHistoryBottomPromise = undefined);
    });

    if(justLoad) {
      return null;
    }

    /* 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 = getObjectKeysAndSort(this.bubbles);
      }

      //let removeCount = loadCount / 2;
      const safeCount = realLoadCount * 2; // cause i've been runningrunningrunning all day
      this.log('getHistory: slice loadedTimes:', reverse, pageCount, this.loadedTopTimes, this.loadedBottomTimes, 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;

          this.log('getHistory: slice bottom messages:', ids.length, loadCount);
          this.getHistoryBottomPromise = undefined; // !WARNING, это нужно для обратной загрузки истории, если запрос словил флуд
        } 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 up messages:', ids.length, loadCount);
          this.getHistoryTopPromise = undefined; // !WARNING, это нужно для обратной загрузки истории, если запрос словил флуд
        }

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

        this.deleteMessagesByIDs(ids);
      }

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

      // preload more
      setTimeout(() => {
        this.loadMoreHistory(true, true);
        this.loadMoreHistory(false, true);
      }, 0);
    });

    return {cached, promise};
  }

  public setUnreadDelimiter() {
    if(this.attachedUnreadBubble) {
      return;
    }

    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;
      this.attachedUnreadBubble = true;
    }
  }

  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.sharedMediaTab.profileElements.notificationsCheckbox.checked = !muted;
    appSidebarRight.sharedMediaTab.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';
    }

    const menuButton = this.menuButtons.mute;
    menuButton.classList.remove('tgico-mute', 'tgico-unmute');
    menuButton.classList.add(muted ? 'tgico-unmute' : 'tgico-mute');
    let rp = menuButton.firstElementChild;
    menuButton.innerText = muted ? 'Unmute' : 'Mute';
    rp && menuButton.appendChild(rp);
  }
  
  public mutePeer(peerID: number) {
    let inputPeer = appPeersManager.getInputPeerByID(peerID);
    let inputNotifyPeer: InputNotifyPeer.inputNotifyPeer = {
      _: 'inputNotifyPeer',
      peer: inputPeer
    };
    
    let settings: InputPeerNotifySettings = {
      _: 'inputPeerNotifySettings'
    };

    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.mute_until = 2147483647;
    }
    
    apiManager.invokeApi('account.updateNotifySettings', {
      peer: inputNotifyPeer,
      settings: settings
    }).then(bool => {
      if(bool) {
        this.handleUpdate({
          _: 'updateNotifySettings', 
          peer: {
            _: 'notifyPeer',
            peer: appPeersManager.getOutputPeer(peerID)
          }, 
          notify_settings: { // ! WOW, IT WORKS !
            ...settings,
            _: 'peerNotifySettings',
          }
        });
      }
    });
    
    /* return apiManager.invokeApi('account.getNotifySettings', {
      peer: inputNotifyPeer
    }).then((settings: any) => {
      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: Update) {
    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._ == 'updateChatUserTyping') {
            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] = window.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': {
        const {peer, notify_settings} = update;
        
        const peerID = appPeersManager.getPeerID((peer as NotifyPeer.notifyPeer).peer);
        
        const dialog = appMessagesManager.getDialogByPeerID(peerID)[0];
        if(dialog) {
          dialog.notify_settings = notify_settings;
          $rootScope.$broadcast('dialog_notify_settings', peerID);
        }
        
        if(peerID == this.peerID) {
          const 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;
      }
    }
  }
}

const appImManager = new AppImManager();
MOUNT_CLASS_TO && (MOUNT_CLASS_TO.appImManager = appImManager);
export default appImManager;
