tweb-i2p/src/components/appSearchSuper..ts

import { formatDateAccordingToToday, months } from "../helpers/date";
import { findUpClassName, positionElementByIndex } from "../helpers/dom";
import { copy, getObjectKeysAndSort } from "../helpers/object";
import { escapeRegExp, limitSymbols } from "../helpers/string";
import appChatsManager from "../lib/appManagers/appChatsManager";
import appDialogsManager from "../lib/appManagers/appDialogsManager";
import appMessagesManager, { MyInputMessagesFilter, MyMessage } from "../lib/appManagers/appMessagesManager";
import appPeersManager from "../lib/appManagers/appPeersManager";
import appPhotosManager from "../lib/appManagers/appPhotosManager";
import appStateManager from "../lib/appManagers/appStateManager";
import appUsersManager from "../lib/appManagers/appUsersManager";
import { logger } from "../lib/logger";
import RichTextProcessor from "../lib/richtextprocessor";
import rootScope from "../lib/rootScope";
import searchIndexManager from "../lib/searchIndexManager";
import AppMediaViewer from "./appMediaViewer";
import { SearchGroup, SearchGroupType } from "./appSearch";
import { horizontalMenu } from "./horizontalMenu";
import LazyLoadQueue from "./lazyLoadQueue";
import { renderImageFromUrl, putPreloader, formatPhoneNumber } from "./misc";
import { ripple } from "./ripple";
import Scrollable, { ScrollableX } from "./scrollable";
import { wrapDocument } from "./wrappers";

const testScroll = false;

export type SearchSuperType = MyInputMessagesFilter/*  | 'chats' */;
export type SearchSuperContext = {
  peerId: number,
  inputFilter: MyInputMessagesFilter,
  query?: string,
  maxId?: number,
  folderId?: number,
  threadId?: number,
  date?: number,
  nextRate?: number,
  minDate?: number,
  maxDate?: number
};

export default class AppSearchSuper {
  public tabs: {[t in SearchSuperType]: HTMLDivElement} = {} as any;

  public type: SearchSuperType;
  public tabSelected: HTMLElement;

  public container: HTMLElement;
  public nav: HTMLElement;
  private tabsContainer: HTMLElement;
  private tabsMenu: HTMLUListElement;
  private prevTabId = -1;
  
  private lazyLoadQueue = new LazyLoadQueue();
  private cleanupObj = {cleaned: false};

  public historyStorage: Partial<{[type in SearchSuperType]: {mid: number, peerId: number}[]}> = {};
  public usedFromHistory: Partial<{[type in SearchSuperType]: number}> = {};
  public urlsToRevoke: string[] = [];

  private searchContext: SearchSuperContext;
  public loadMutex: Promise<any> = Promise.resolve();

  private nextRates: Partial<{[type in SearchSuperType]: number}> = {};
  private loadPromises: Partial<{[type in SearchSuperType]: Promise<void>}> = {};
  private loaded: Partial<{[type in SearchSuperType]: boolean}> = {};
  private loadedChats = false;

  private log = logger('SEARCH-SUPER');
  public selectTab: ReturnType<typeof horizontalMenu>;
  
  private monthContainers: Partial<{
    [type in SearchSuperType]: {
      [timestamp: number]: {
        container: HTMLElement,
        items: HTMLElement
      }
    }
  }> = {};

  private searchGroupMedia: SearchGroup;

  constructor(public types: {inputFilter: SearchSuperType, name: string}[], public scrollable: Scrollable, public searchGroups?: {[group in SearchGroupType]: SearchGroup}, public asChatList = false) {
    this.container = document.createElement('div');
    this.container.classList.add('search-super');

    const navScrollableContainer = document.createElement('div');
    navScrollableContainer.classList.add('search-super-tabs-scrollable', 'menu-horizontal-scrollable');

    const navScrollable = new ScrollableX(navScrollableContainer);

    const nav = this.nav = document.createElement('nav');
    nav.classList.add('search-super-tabs', 'menu-horizontal');
    this.tabsMenu = document.createElement('ul');
    nav.append(this.tabsMenu);

    navScrollable.container.append(nav);

    for(const type of types) {
      const li = document.createElement('li');
      const span = document.createElement('span');
      const i = document.createElement('i');

      span.innerText = type.name;
      span.append(i);

      li.append(span);

      ripple(li);

      this.tabsMenu.append(li);
    }

    this.tabsContainer = document.createElement('div');
    this.tabsContainer.classList.add('search-super-tabs-container', 'tabs-container');

    for(const type of types) {
      const container = document.createElement('div');
      container.classList.add('search-super-container-' + type.name.toLowerCase());

      const content = document.createElement('div');
      content.classList.add('search-super-content-' + type.name.toLowerCase());

      container.append(content);

      this.tabsContainer.append(container);

      this.tabs[type.inputFilter] = content;
    }

    this.container.append(navScrollableContainer, this.tabsContainer);

    // * construct end

    this.searchGroupMedia = new SearchGroup('', 'messages', true);

    this.scrollable.onScrolledBottom = () => {
      if(this.tabSelected && this.tabSelected.childElementCount/* && false */) {
        //this.log('onScrolledBottom will load media');
        this.load(true);
      }
    };
    //this.scroll.attachSentinels(undefined, 400);
    
    this.selectTab = horizontalMenu(this.tabsMenu, this.tabsContainer, (id, tabContent) => {
      if(this.prevTabId === id) return;

      if(this.prevTabId !== -1) {
        this.onTransitionStart();
      }
      
      this.type = this.types[id].inputFilter;
      this.tabSelected = tabContent.firstElementChild as HTMLDivElement;

      if(this.prevTabId !== -1 && nav.offsetTop) {
        this.scrollable.scrollTop -= nav.offsetTop;
      }

      /* this.log('setVirtualContainer', id, this.sharedMediaSelected, this.sharedMediaSelected.childElementCount);
      this.scroll.setVirtualContainer(this.sharedMediaSelected); */

      if(this.prevTabId !== -1 && !this.tabSelected.childElementCount) { // quick brown fix
        //this.contentContainer.classList.remove('loaded');
        this.load(true);
      }

      this.prevTabId = id;
    }, () => {
      this.scrollable.onScroll();
      this.onTransitionEnd();
    });

    this.tabs.inputMessagesFilterPhotoVideo.addEventListener('click', (e) => {
      const target = findUpClassName(e.target as HTMLDivElement, 'grid-item');
      
      const mid = +target.dataset.mid;
      if(!mid) {
        this.log.warn('no messageId by click on target:', target);
        return;
      }

      const peerId = +target.dataset.peerId;

      const targets = (Array.from(this.tabs.inputMessagesFilterPhotoVideo.querySelectorAll('.grid-item')) as HTMLElement[]).map(el => {
        return {element: el, mid: +el.dataset.mid, peerId: +el.dataset.peerId};
      });

      //const ids = Object.keys(this.mediaDivsByIds).map(k => +k).sort((a, b) => a - b);
      const idx = targets.findIndex(item => item.mid === mid && item.peerId === peerId);
      
      const message = appMessagesManager.getMessageByPeer(peerId, mid);
      new AppMediaViewer()
      .setSearchContext(this.copySearchContext(this.type))
      .openMedia(message, target, 0, false, targets.slice(0, idx), targets.slice(idx + 1));
    });

    this.type = this.types[0].inputFilter;
  }

  private onTransitionStart = () => {
    // Jolly Cobra's // Workaround for scrollable content flickering during animation.
    const container = this.scrollable.container;
    if(container.style.overflowY !== 'hidden') {
      const scrollBarWidth = container.offsetWidth - container.clientWidth;
      container.style.overflowY = 'hidden';
      container.style.paddingRight = `${scrollBarWidth}px`;
      this.container.classList.add('sliding');
    }
  };

  private onTransitionEnd = () => {
    // Jolly Cobra's // Workaround for scrollable content flickering during animation.
    const container = this.scrollable.container;
    container.style.overflowY = '';
    container.style.paddingRight = '0';
    this.container.classList.remove('sliding');
  };

  public filterMessagesByType(messages: any[], type: SearchSuperType): MyMessage[] {
    if(type === 'inputMessagesFilterEmpty') return messages;

    if(type !== 'inputMessagesFilterUrl') {
      messages = messages.filter(message => !!message.media);
    }

    /* if(!this.peerId) {
      messages = messages.filter(message => {
        if(message.peerId === rootScope.myId) {
          return true;
        }

        const dialog = appMessagesManager.getDialogByPeerId(message.fromId)[0];
        return dialog && dialog.folder_id === 0;
      });
    } */

    let filtered: any[] = [];

    switch(type) {
      case 'inputMessagesFilterPhotoVideo': {
        for(let message of messages) {
          let media = message.media.photo || message.media.document || (message.media.webpage && message.media.webpage.document);
          if(!media) {
            //this.log('no media!', message);
            continue;
          }
          
          if(media._ === 'document' && media.type !== 'video'/*  && media.type !== 'gif' */) {
            //this.log('broken video', media);
            continue;
          }

          filtered.push(message);
        }
        
        break;
      }

      case 'inputMessagesFilterDocument': {
        for(let message of messages) {
          if(!message.media.document || ['voice', 'audio', 'gif', 'sticker', 'round'].includes(message.media.document.type)) {
            continue;
          }
          
          filtered.push(message);
        }
        break;
      }

      case 'inputMessagesFilterUrl': {
        //this.log('inputMessagesFilterUrl', messages);
        for(let message of messages) {
          //if((message.media.webpage && message.media.webpage._ !== 'webPageEmpty')) {
            filtered.push(message);
          //}
        }
        
        break;
      }

      case 'inputMessagesFilterMusic': {
        for(let message of messages) {
          if(!message.media.document || message.media.document.type !== 'audio') {
            continue;
          }

          filtered.push(message);
        }

        break;
      }

      case 'inputMessagesFilterVoice': {
        for(let message of messages) {
          if(!message.media.document || message.media.document.type !== 'voice') {
            continue;
          }

          filtered.push(message);
        }

        break;
      }

      default:
        break;
    }

    return filtered;
  }
  
  public async performSearchResult(messages: any[], type: SearchSuperType, append = true) {
    const elemsToAppend: {element: HTMLElement, message: any}[] = [];
    const sharedMediaDiv: HTMLElement = this.tabs[type];
    const promises: Promise<any>[] = [];
    const middleware = this.getMiddleware();
    
    let searchGroup: SearchGroup;
    if(type === 'inputMessagesFilterPhotoVideo' && !!this.searchContext.query.trim()) {
      type = 'inputMessagesFilterEmpty';
      searchGroup = this.searchGroupMedia;
      sharedMediaDiv.append(searchGroup.container);
    } else if(type === 'inputMessagesFilterEmpty') {
      searchGroup = this.searchGroups.messages;
    }


    // https://core.telegram.org/type/MessagesFilter
    switch(type) {
      case 'inputMessagesFilterEmpty': {
        for(const message of messages) {
          const {dialog, dom} = appDialogsManager.addDialogNew({
            dialog: message.peerId, 
            container: searchGroup.list, 
            drawStatus: false,
            avatarSize: 54
          });
          appDialogsManager.setLastMessage(dialog, message, dom, this.searchContext.query);
        }

        searchGroup.setActive();
        break;
      }

      case 'inputMessagesFilterPhotoVideo': {
        for(const message of messages) {
          const media = message.media.photo || message.media.document || (message.media.webpage && message.media.webpage.document);

          const div = document.createElement('div');
          div.classList.add('grid-item');
          //this.log(message, photo);

          const isPhoto = media._ === 'photo';
          
          const photo = isPhoto ? appPhotosManager.getPhoto(media.id) : null;
          let isDownloaded: boolean;
          if(photo) {
            isDownloaded = photo.downloaded > 0;
          } else {
            const cachedThumb = appPhotosManager.getDocumentCachedThumb(media.id);
            isDownloaded = cachedThumb?.downloaded > 0;
          }
          
          //this.log('inputMessagesFilterPhotoVideo', message, media);

          if(!isPhoto) {
            const span = document.createElement('span');
            span.classList.add('video-time');
            div.append(span);

            if(media.type !== 'gif') {
              span.innerText = (media.duration + '').toHHMMSS(false);

              /* const spanPlay = document.createElement('span');
              spanPlay.classList.add('video-play', 'tgico-largeplay', 'btn-circle', 'position-center');
              div.append(spanPlay); */
            } else {
              span.innerText = 'GIF';
            }
          }
          
          const load = () => appPhotosManager.preloadPhoto(isPhoto ? media.id : media, appPhotosManager.choosePhotoSize(media, 200, 200))
          .then(() => {
            if(!middleware()) {
              //this.log.warn('peer changed');
              return;
            }

            const url = (photo && photo.url) || appPhotosManager.getDocumentCachedThumb(media.id).url;
            if(url) {
              //if(needBlur) return;
              
              const needBlurCallback = needBlur ? () => {
                //void img.offsetLeft; // reflow
                img.style.opacity = '';

                if(thumb) {
                  window.setTimeout(() => {
                    thumb.remove();
                  }, 200);
                }
              } : undefined;
              renderImageFromUrl(img, url, needBlurCallback);
            }
          });
          
          let thumb: HTMLImageElement;
          const sizes = media.sizes || media.thumbs;
          
          const willHaveThumb = !isDownloaded && sizes && sizes[0].bytes;
          if(willHaveThumb) {
            thumb = new Image();
            thumb.classList.add('grid-item-media', 'thumbnail');
            thumb.dataset.mid = '' + message.mid;
            appPhotosManager.setAttachmentPreview(sizes[0].bytes, thumb, false, false);
            div.append(thumb);
          }

          const needBlur = !isDownloaded || !willHaveThumb;
          const img = new Image();
          img.dataset.mid = '' + message.mid;
          img.classList.add('grid-item-media');
          if(needBlur) img.style.opacity = '0';
          div.append(img);

          if(isDownloaded || willHaveThumb) {
            const promise = new Promise<void>((resolve, reject) => {
              (thumb || img).addEventListener('load', () => {
                clearTimeout(timeout);
                resolve();
              });

              const timeout = setTimeout(() => {
                //this.log('didn\'t load', thumb, media, isDownloaded, sizes);
                reject();
              }, 1e3);
            });

            promises.push(promise);
          }

          if(sizes?.length) {
            if(isDownloaded) load();
            else this.lazyLoadQueue.push({div, load});
          }

          elemsToAppend.push({element: div, message});
        }
        
        break;
      }
      
      case 'inputMessagesFilterVoice':
      case 'inputMessagesFilterMusic':
      case 'inputMessagesFilterDocument': {
        for(const message of messages) {
          const div = wrapDocument({
            message,
            withTime: !this.asChatList,
            fontWeight: 400,
            voiceAsMusic: true,
            showSender: this.asChatList,
            searchContext: this.copySearchContext(type)
          });
          if(message.media.document.type === 'audio') {
            div.classList.add('audio-48');
          }
          elemsToAppend.push({element: div, message});
        }
        break;
      }
      
      case 'inputMessagesFilterUrl': {
        for(let message of messages) {
          let webpage: any;

          if(message.media?.webpage && message.media.webpage._ != 'webPageEmpty') {
            webpage = message.media.webpage;
          } else {
            const entity = message.totalEntities ? message.totalEntities.find((e: any) => e._ == 'messageEntityUrl' || e._ == 'messageEntityTextUrl') : null;
            let url: string, display_url: string, sliced: string;

            if(!entity) {
              //this.log.error('NO ENTITY:', message);
              const match = RichTextProcessor.matchUrl(message.message);
              if(!match) {
                //this.log.error('NO ENTITY AND NO MATCH:', message);
                continue;
              }

              url = match[0];
            } else {
              sliced = message.message.slice(entity.offset, entity.offset + entity.length);
            }

            if(entity?._ == 'messageEntityTextUrl') {
              url = entity.url;
              //display_url = sliced;
            } else {
              url = url || sliced;
            }

            display_url = url;

            const same = message.message == url;
            if(!url.match(/^(ftp|http|https):\/\//)) {
              display_url = 'https://' + url;
              url = url.includes('@') ? url : 'https://' + url;
            }

            display_url = new URL(display_url).hostname;

            webpage = {
              url,
              display_url
            };

            if(!same) {
              webpage.description = message.message;
              webpage.rDescription = RichTextProcessor.wrapRichText(limitSymbols(message.message, 150, 180));
            }
          }

          let div = document.createElement('div');
          
          let previewDiv = document.createElement('div');
          previewDiv.classList.add('preview');
          
          //this.log('wrapping webpage', webpage);
          
          previewDiv.innerHTML = RichTextProcessor.getAbbreviation(webpage.title || webpage.display_url || webpage.description || webpage.url, true);
          previewDiv.classList.add('empty');
          if(webpage.photo) {
            let load = () => appPhotosManager.preloadPhoto(webpage.photo.id, appPhotosManager.choosePhotoSize(webpage.photo, 60, 60))
            .then(() => {
              if(!middleware()) {
                //this.log.warn('peer changed');
                return;
              }

              previewDiv.classList.remove('empty');

              previewDiv.innerText = '';
              renderImageFromUrl(previewDiv, webpage.photo.url);
            });
            
            this.lazyLoadQueue.push({div: previewDiv, load});
          }
          
          let title = webpage.rTitle || '';
          let subtitle = webpage.rDescription || '';
          let url = RichTextProcessor.wrapRichText(webpage.url || '');
          
          if(!title) {
            //title = new URL(webpage.url).hostname;
            title = RichTextProcessor.wrapPlainText(webpage.display_url.split('/', 1)[0]);
          }

          let sender = this.asChatList ? `<div class="subtitle sender">${appMessagesManager.getSenderToPeerText(message)}</div>` : '';

          let titleAdditionHTML = '';
          if(this.asChatList) {
            titleAdditionHTML = `<div class="sent-time">${formatDateAccordingToToday(new Date(message.date * 1000))}</div>`;
          }

          div.append(previewDiv);
          div.insertAdjacentHTML('beforeend', `
          <div class="title">${title}${titleAdditionHTML}</div>
          <div class="subtitle">${subtitle}</div>
          <div class="url">${url}</div>
          ${sender}
          `);
          
          if(div.innerText.trim().length) {
            elemsToAppend.push({element: div, message});
          }
          
        }
        
        break;
      }

      default:
        //this.log.warn('death is my friend', messages);
        break;
    }

    if(this.loadMutex) {
      promises.push(this.loadMutex);
    }

    if(promises.length) {
      await Promise.all(promises);
      if(!middleware()) {
        //this.log.warn('peer changed');
        return;
      }
    }
    
    if(elemsToAppend.length) {
      const method = append ? 'append' : 'prepend';
      elemsToAppend.forEach(details => {
        const {element, message} = details;
        const monthContainer = this.getMonthContainerByTimestamp(message.date, type);
        element.classList.add('search-super-item');
        element.dataset.mid = '' + message.mid;
        element.dataset.peerId = '' + message.peerId;
        monthContainer.items[method](element);
      });
    }
    
    if(type !== 'inputMessagesFilterEmpty') {
      this.afterPerforming(messages.length, sharedMediaDiv);
    }
  }

  private afterPerforming(length: number, tab: HTMLElement) {
    if(tab) {
      const parent = tab.parentElement;
      Array.from(parent.children).slice(1).forEach(child => {
        child.remove();
      });

      //this.contentContainer.classList.add('loaded');

      if(!length && !tab.childElementCount) {
        const div = document.createElement('div');
        div.innerText = 'Nothing interesting here yet...';
        div.classList.add('position-center', 'text-center', 'content-empty', 'no-select');

        parent.append(div);
      }
    }
  }

  private loadChats() {
    const renderedPeerIds: Set<number> = new Set();
    const middleware = this.getMiddleware();

    for(let i in this.searchGroups) {
      const group = this.searchGroups[i as SearchGroupType];
      this.tabs.inputMessagesFilterEmpty.append(group.container);
      group.clear();
    }

    const query = this.searchContext.query;
    if(query) {
      const setResults = (results: number[], group: SearchGroup, showMembersCount = false) => {
        results.forEach((peerId) => {
          if(renderedPeerIds.has(peerId)) {
            return;
          }
  
          renderedPeerIds.add(peerId);
  
          const peer = appPeersManager.getPeer(peerId);
  
          //////////this.log('contacts peer', peer);
  
          const {dom} = appDialogsManager.addDialogNew({
            dialog: peerId, 
            container: group.list, 
            drawStatus: false,
            avatarSize: 48,
            autonomous: group.autonomous
          });
  
          if(showMembersCount && (peer.participants_count || peer.participants)) {
            const regExp = new RegExp(`(${escapeRegExp(query)}|${escapeRegExp(searchIndexManager.cleanSearchText(query))})`, 'gi');
            dom.titleSpan.innerHTML = dom.titleSpan.innerHTML.replace(regExp, '<i>$1</i>');
            dom.lastMessageSpan.innerText = appChatsManager.getChatMembersString(-peerId);
          } else if(peerId === rootScope.myId) {
            dom.lastMessageSpan.innerHTML = 'chat with yourself';
          } else {
            let username = appPeersManager.getPeerUsername(peerId);
            if(!username) {
              const user = appUsersManager.getUser(peerId);
              if(user && user.phone) {
                username = '+' + formatPhoneNumber(user.phone).formatted;
              }
            } else {
              username = '@' + username;
            }
  
            dom.lastMessageSpan.innerHTML = '<i>' + username + '</i>';
          }
        });
  
        group.toggle();
      };
  
      const onLoad = <T>(arg: T) => {
        if(!middleware()) {
          return;
        }
  
        //this.loadedContacts = true;
  
        return arg;
      };
  
      return Promise.all([
        appUsersManager.getContacts(query, true)
        .then(onLoad)
        .then((contacts) => {
          if(contacts) {
            setResults(contacts, this.searchGroups.contacts, true);
          }
        }),
  
        appUsersManager.searchContacts(query, 20)
        .then(onLoad)
        .then((contacts) => {
          if(contacts) {
            setResults(contacts.my_results, this.searchGroups.contacts, true);
            setResults(contacts.results/* .concat(contacts.results, contacts.results, contacts.results) */, this.searchGroups.globalContacts);

            if(this.searchGroups.globalContacts.nameEl.lastElementChild) {
              this.searchGroups.globalContacts.nameEl.lastElementChild.remove();
            }

            this.searchGroups.globalContacts.container.classList.add('is-short');
            
            if(this.searchGroups.globalContacts.list.childElementCount > 3) {
              const showMore = document.createElement('div');
              showMore.classList.add('search-group__show-more');
              showMore.innerText = 'Show more';
              this.searchGroups.globalContacts.nameEl.append(showMore);
              showMore.addEventListener('click', () => {
                const isShort = this.searchGroups.globalContacts.container.classList.toggle('is-short');
                showMore.innerText = isShort ? 'Show more' : 'Show less';
              });
            }
          }
        }),
  
        appMessagesManager.getConversations(query, 0, 20, 0)
        .then(onLoad)
        .then(value => {
          if(value) {
            setResults(value.dialogs.map(d => d.peerId), this.searchGroups.contacts, true);
          }
        })
      ]);
    } else {
      const renderRecentSearch = (setActive = true) => {
        return appStateManager.getState().then(state => {
          if(!middleware()) {
            return;
          }
    
          this.searchGroups.recent.list.innerHTML = '';
    
          state.recentSearch.slice(0, 20).forEach(peerId => {
            let {dialog, dom} = appDialogsManager.addDialogNew({
              dialog: peerId,
              container: this.searchGroups.recent.list,
              drawStatus: false,
              meAsSaved: true,
              avatarSize: 48,
              autonomous: false
            });
    
            dom.lastMessageSpan.innerText = peerId > 0 ? appUsersManager.getUserStatusString(peerId) : appChatsManager.getChatMembersString(peerId);
          });
    
          if(!state.recentSearch.length) {
            this.searchGroups.recent.clear();
          } else if(setActive) {
            this.searchGroups.recent.setActive();
          }
        });
      };

      return Promise.all([
        appUsersManager.getTopPeers().then(peers => {
          if(!middleware()) return;

          //console.log('got top categories:', categories);
          if(peers.length) {
            peers.forEach((peerId) => {
              appDialogsManager.addDialogNew({
                dialog: peerId, 
                container: this.searchGroups.people.list, 
                drawStatus: false,
                onlyFirstName: true,
                avatarSize: 54,
                autonomous: false
              });
            });
          }
    
          this.searchGroups.people.setActive();
        }),

        renderRecentSearch()
      ]);
    }
  }
  
  public load(single = false, justLoad = false) {
    if(testScroll/*  || 1 == 1 */) {
      return;
    }
    
    const peerId = this.searchContext.peerId;
    this.log('load', single, peerId, this.loadPromises);
    
    let typesToLoad = single ? [this.type] : this.types.filter(t => t.inputFilter !== this.type).map(t => t.inputFilter);
    typesToLoad = typesToLoad.filter(type => !this.loaded[type] 
      || (this.historyStorage[type] && this.usedFromHistory[type] < this.historyStorage[type].length));

    if(!typesToLoad.length) return;

    const loadCount = justLoad ? 50 : Math.round((appPhotosManager.windowH / 130 | 0) * 3 * 1.25); // that's good for all types
    
    const historyStorage = this.historyStorage ?? (this.historyStorage = {});

    const middleware = this.getMiddleware();

    const promises: Promise<any>[] = typesToLoad.map(type => {
      if(this.loadPromises[type]) return this.loadPromises[type];

      const history = historyStorage[type] ?? (historyStorage[type] = []);

      if(type === 'inputMessagesFilterEmpty' && !history.length) {
        if(!this.loadedChats) {
          this.loadChats();
          this.loadedChats = true;
        }

        if(!this.searchContext.query.trim()) {
          this.loaded[type] = true;
          return Promise.resolve();
        }
      }

      const logStr = 'load [' + type + ']: ';

      // render from cache
      if(history.length && this.usedFromHistory[type] < history.length && !justLoad) {
        let messages: any[] = [];
        let used = Math.max(0, this.usedFromHistory[type]);
        let slicedLength = 0;

        do {
          let ids = history.slice(used, used + loadCount);
          //this.log(logStr + 'will render from cache', used, history, ids, loadCount);
          used += ids.length;
          slicedLength += ids.length;

          messages.push(...this.filterMessagesByType(ids.map(m => appMessagesManager.getMessageByPeer(m.peerId, m.mid)), type));
        } while(slicedLength < loadCount && used < history.length);
        
        // если перебор
        /* if(slicedLength > loadCount) {
          let diff = messages.length - loadCount;
          messages = messages.slice(0, messages.length - diff);
          used -= diff;
        } */

        this.usedFromHistory[type] = used;
        //if(messages.length) {
          return this.performSearchResult(messages, type).finally(() => {
            setTimeout(() => {
              this.scrollable.checkForTriggers();
            }, 0);
          });
        //}

        return Promise.resolve();
      }
      
      let maxId = history.length ? history[history.length - 1].mid : 0;
      
      //this.log(logStr + 'search house of glass pre', type, maxId);
      
      //let loadCount = history.length ? 50 : 15;
      return this.loadPromises[type] = appMessagesManager.getSearch({
        peerId, 
        query: this.searchContext.query,
        inputFilter: {_: type},
        maxId, 
        limit: loadCount,
        nextRate: this.nextRates[type] ?? (this.nextRates[type] = 0),
        threadId: this.searchContext.threadId,
        folderId: this.searchContext.folderId,
        minDate: this.searchContext.minDate,
        maxDate: this.searchContext.maxDate
      }).then(value => {
        history.push(...value.history.map(m => ({mid: m.mid, peerId: m.peerId})));
        
        this.log(logStr + 'search house of glass', type, value);

        if(!middleware()) {
          //this.log.warn('peer changed');
          return;
        }

        // ! Фикс случая, когда не загружаются документы при открытой панели разработчиков (происходит из-за того, что не совпадают критерии отбора документов в getSearch)
        if(value.history.length < loadCount) {
        //if((value.count || history.length == value.count) && history.length >= value.count) {
          //this.log(logStr + 'loaded all media', value, loadCount);
          this.loaded[type] = true;
        }

        this.nextRates[type] = value.next_rate;

        if(justLoad) {
          return Promise.resolve();
        }

        this.usedFromHistory[type] = history.length;

        if(!this.loaded[type]) {
          (this.loadPromises[type] || Promise.resolve()).then(() => {
            setTimeout(() => {
              if(!middleware()) return;
              //this.log('will preload more');
              if(this.type === type) {
                const promise = this.load(true, true);
                if(promise) {
                  promise.then(() => {
                    if(!middleware()) return;
                    //this.log('preloaded more');
                    setTimeout(() => {
                      this.scrollable.checkForTriggers();
                    }, 0);
                  });
                }
              }
            }, 0);
          });
        }

        //if(value.history.length) {
          return this.performSearchResult(this.filterMessagesByType(value.history, type), type);
        //}
      }).catch(err => {
        this.log.error('load error:', err);
      }).finally(() => {
        this.loadPromises[type] = null;
      });
    });
    
    return Promise.all(promises).catch(err => {
      this.log.error('Load error all promises:', err);
    });
  }
  
  public getMonthContainerByTimestamp(timestamp: number, type: SearchSuperType) {
    const date = new Date(timestamp * 1000);
    date.setHours(0, 0, 0);
    date.setDate(1);
    const dateTimestamp = date.getTime();
    const containers = this.monthContainers[type] ?? (this.monthContainers[type] = {});
    if(!(dateTimestamp in containers)) {
      const str = months[date.getMonth()] + ' ' + date.getFullYear();
      
      const container = document.createElement('div');
      container.className = 'search-super-month';

      const name = document.createElement('div');
      name.classList.add('search-super-month-name');
      name.innerText = str;
      container.append(name);

      const items = document.createElement('div');
      items.classList.add('search-super-month-items');

      container.append(name, items);

      const haveTimestamps = getObjectKeysAndSort(containers, 'desc');
      let i = 0;
      for(; i < haveTimestamps.length; ++i) {
        const t = haveTimestamps[i];
        if(dateTimestamp > t) {
          break;
        }
      }
      
      containers[dateTimestamp] = {container, items};
      positionElementByIndex(container, this.tabs[type], i);
    }

    return containers[dateTimestamp];
  }

  public cleanup() {
    this.loadPromises = {};
    this.loaded = {};
    this.loadedChats = false;
    this.nextRates = {};

    this.lazyLoadQueue.clear();

    this.types.forEach(type => {
      this.usedFromHistory[type.inputFilter] = -1;
    });

    this.cleanupObj.cleaned = true;
    this.cleanupObj = {cleaned: false};
  }

  public cleanupHTML() {
    if(this.urlsToRevoke.length) {
      this.urlsToRevoke.forEach(url => {
        URL.revokeObjectURL(url);
      });
      this.urlsToRevoke.length = 0;
    }

    (Object.keys(this.tabs) as SearchSuperType[]).forEach(type => {
      this.tabs[type].innerHTML = '';

      if(type === 'inputMessagesFilterEmpty') {
        return;
      }
      
      if(!this.historyStorage || !this.historyStorage[type]) {
        const parent = this.tabs[type].parentElement;
        if(!testScroll) {
          if(!parent.querySelector('.preloader')) {
            putPreloader(parent, true);
          }
        }

        const empty = parent.querySelector('.content-empty');
        if(empty) {
          empty.remove();
        }
      }
    });
    
    this.monthContainers = {};
    this.searchGroupMedia.clear();

    if(testScroll) {
      for(let i = 0; i < 1500; ++i) {
        let div = document.createElement('div');
        div.insertAdjacentHTML('beforeend', `<img class="media-image" src="assets/img/camomile.jpg">`);
        div.classList.add('grid-item');
        div.dataset.id = '' + (i / 3 | 0);
        //div.innerText = '' + (i / 3 | 0);
        this.tabs.inputMessagesFilterPhotoVideo.append(div);
      }
    }
  }

  // * will change .cleaned in cleanup() and new instance will be created
  public getMiddleware() {
    const cleanupObj = this.cleanupObj;
    return () => {
      return !cleanupObj.cleaned;
    };
  }

  private copySearchContext(newInputFilter: MyInputMessagesFilter) {
    const context = copy(this.searchContext);
    context.inputFilter = newInputFilter;
    context.nextRate = this.nextRates[newInputFilter];
    return context;
  }

  public setQuery({peerId, query, threadId, historyStorage, folderId, minDate, maxDate}: {
    peerId: number, 
    query?: string, 
    threadId?: number, 
    historyStorage?: AppSearchSuper['historyStorage'], 
    folderId?: number,
    minDate?: number,
    maxDate?: number
  }) {
    this.searchContext = {
      peerId: peerId || 0,
      query: query || '',
      inputFilter: this.type,
      threadId,
      folderId,
      minDate,
      maxDate
    };
    
    this.historyStorage = historyStorage ?? {};

    this.cleanup();
  }
}