import appPhotosManager from '../lib/appManagers/appPhotosManager';
//import CryptoWorker from '../lib/crypto/cryptoworker';
import apiManager from '../lib/mtproto/mtprotoworker';
import LottieLoader from '../lib/lottieLoader';
import appStickersManager from "../lib/appManagers/appStickersManager";
import appDocsManager from "../lib/appManagers/appDocsManager";
import { formatBytes, getEmojiToneIndex } from "../lib/utils";
import ProgressivePreloader from './preloader';
import LazyLoadQueue from './lazyLoadQueue';
import apiFileManager from '../lib/mtproto/apiFileManager';
import VideoPlayer, { MediaProgressLine } from '../lib/mediaPlayer';
import { RichTextProcessor } from '../lib/richtextprocessor';
import { CancellablePromise } from '../lib/polyfill';
import { renderImageFromUrl } from './misc';
import appMessagesManager from '../lib/appManagers/appMessagesManager';
import { Layouter, RectPart } from './groupedLayout';
import PollElement from './poll';
import appWebpManager from '../lib/appManagers/appWebpManager';

export type MTDocument = {
  _: 'document' | 'documentEmpty',
  pFlags: any,
  flags: number,
  id: string,
  access_hash: string,
  file_reference: Uint8Array | number[],
  date: number,
  mime_type: string,
  size: number,
  thumbs: MTPhotoSize[],
  dc_id: number,
  attributes: any[],
  
  thumb?: MTPhotoSize,
  type?: string,
  h?: number,
  w?: number,
  file_name?: string,
  file?: File,
  duration?: number,
  downloaded?: boolean,
  url?: string,

  audioTitle?: string,
  audioPerformer?: string,

  sticker?: number,
  stickerEmoji?: string,
  stickerEmojiRaw?: string,
  stickerSetInput?: any,
  stickerThumbConverted?: true,

  animated?: boolean
};

export type MTPhotoSize = {
  _: string,
  w?: number,
  h?: number,
  size?: number,
  type?: string, // i, m, x, y, w by asc
  location?: any,
  bytes?: Uint8Array // if type == 'i'
};

export function wrapVideo({doc, container, message, boxWidth, boxHeight, withTail, isOut, middleware, lazyLoadQueue}: {
  doc: MTDocument, 
  container: HTMLDivElement, 
  message: any, 
  boxWidth: number, 
  boxHeight: number, 
  withTail?: boolean, 
  isOut?: boolean,
  middleware: () => boolean,
  lazyLoadQueue: LazyLoadQueue
}) {
  let img: HTMLImageElement;
  if(withTail) {
    img = wrapMediaWithTail(doc, message, container, boxWidth, boxHeight, isOut);
  } else {
    if(!boxWidth && !boxHeight) { // album
      let sizes = doc.thumbs;
      if(!doc.downloaded && sizes && sizes[0].bytes) {
        appPhotosManager.setAttachmentPreview(sizes[0].bytes, container, false);
      }
    } else {
      if(!container.firstElementChild || (container.firstElementChild.tagName != 'IMG' && container.firstElementChild.tagName != 'VIDEO')) {
        appPhotosManager.setAttachmentSize(doc, container, boxWidth, boxHeight);
      }
    }

    img = container.lastElementChild as HTMLImageElement;
    if(!img || img.tagName != 'IMG') {
      container.append(img = new Image());
    }
  } 

  let video = document.createElement('video');
  let source = document.createElement('source');
  video.append(source);
  
  if(withTail) {
    let foreignObject = img.parentElement;
    video.width = +foreignObject.getAttributeNS(null, 'width');
    video.height = +foreignObject.getAttributeNS(null, 'height');
    foreignObject.append(video);
  } else {
    container.append(video);
  }

  let span: HTMLSpanElement, spanPlay: HTMLSpanElement;
  if(doc.type != 'round') {
    span = document.createElement('span');
    span.classList.add('video-time');
    container.append(span);

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

      spanPlay = document.createElement('span');
      spanPlay.classList.add('video-play', 'tgico-largeplay', 'btn-circle', 'position-center');
      container.append(spanPlay);
    } else {
      span.innerText = 'GIF';
    }
  }
  
  let loadVideo = async() => {
    if(message.media.preloader) { // means upload
      (message.media.preloader as ProgressivePreloader).attach(container, undefined, undefined, false);
    } else if(!doc.downloaded) {
      let preloader = new ProgressivePreloader(container, true);
      let promise = appDocsManager.downloadDoc(doc);
      preloader.attach(container, true, promise, false);
      await promise;
    }

    if(middleware && !middleware()) {
      return;
    }

    console.log('loaded doc:', doc, doc.url, container);
    
    renderImageFromUrl(source, doc.url);
    source.type = doc.mime_type;
    video.append(source);

    if(img && img.parentElement) {
      img.remove();
    }
    
    if(doc.type == 'gif') {
      video.autoplay = true;
      video.loop = true;
      video.play();
    } else if(doc.type == 'round') {
      //video.dataset.ckin = doc.type == 'round' ? 'circle' : 'default';
      video.dataset.ckin = 'circle';
      video.dataset.overlay = '1';
      let player = new VideoPlayer(video/* , doc.type != 'round' */);
    }
  };

  if(doc.size >= 20e6 && !doc.downloaded) {
    let downloadDiv = document.createElement('div');
    downloadDiv.classList.add('download');

    let span = document.createElement('span');
    span.classList.add('btn-circle', 'tgico-download');
    downloadDiv.append(span);

    downloadDiv.addEventListener('click', () => {
      downloadDiv.remove();
      loadVideo();
    });

    container.prepend(downloadDiv);

    return;
  }
  
  return doc.downloaded ? loadVideo() : lazyLoadQueue.push({div: container, load: loadVideo, wasSeen: true});
}

let formatDate = (timestamp: number) => {
  const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
  const date = new Date(timestamp * 1000);
  
  return months[date.getMonth()] + ' ' + date.getDate() + ', ' + date.getFullYear() 
  + ' at ' + date.getHours() + ':' + ('0' + date.getMinutes()).slice(-2);
};

export function wrapDocument(doc: MTDocument, withTime = false, uploading = false): HTMLDivElement {
  if(doc.type == 'voice') {
    return wrapVoiceMessage(doc, uploading);
  } else if(doc.type == 'audio') {
    return wrapAudio(doc, withTime);
  }

  let extSplitted = doc.file_name ? doc.file_name.split('.') : '';
  let ext = '';
  ext = extSplitted.length > 1 && Array.isArray(extSplitted) ? extSplitted.pop().toLowerCase() : 'file';

  let docDiv = document.createElement('div');
  docDiv.classList.add('document', `ext-${ext}`);
  
  let ext2 = ext;
  if(doc.type == 'photo') {
    docDiv.classList.add('photo');
    ext2 = `<img src="${URL.createObjectURL(doc.file)}">`;
  }
  
  let fileName = doc.file_name || 'Unknown.file';
  let size = formatBytes(doc.size);
  
  if(withTime) {
    size += ' · ' + formatDate(doc.date);
  }
  
  docDiv.innerHTML = `
  <div class="document-ico">${ext2}</div>
  ${!uploading ? `<div class="document-download"><div class="tgico-download"></div></div>` : ''}
  <div class="document-name">${fileName}</div>
  <div class="document-size">${size}</div>
  `;
  
  if(!uploading) {
    let downloadDiv = docDiv.querySelector('.document-download') as HTMLDivElement;
    let preloader: ProgressivePreloader;
    let promise: CancellablePromise<Blob>;
    
    docDiv.addEventListener('click', () => {
      if(!promise) {
        if(downloadDiv.classList.contains('downloading')) {
          return; // means not ready yet
        }
        
        if(!preloader) {
          preloader = new ProgressivePreloader(null, true);
        }
        
        appDocsManager.saveDocFile(doc.id).then(res => {
          promise = res.promise;
          
          preloader.attach(downloadDiv, true, promise);
          
          promise.then(() => {
            downloadDiv.classList.remove('downloading');
            downloadDiv.remove();
          });
        })
        
        downloadDiv.classList.add('downloading');
      } else {
        downloadDiv.classList.remove('downloading');
        promise = null;
      }
    });
  }
  
  return docDiv;
}

export function wrapAudio(doc: MTDocument, withTime = false): HTMLDivElement {
  let div = document.createElement('div');
  div.classList.add('audio');
  
  console.log('wrapAudio doc:', doc);
  
  let durationStr = String(doc.duration | 0).toHHMMSS(true);
  let title = doc.audioTitle || doc.file_name;
  let subtitle = doc.audioPerformer ? RichTextProcessor.wrapPlainText(doc.audioPerformer) : '';
  /* let durationStr = '3:24';
  let title = 'Million Telegrams';
  let subtitle = 'Best Artist'; */

  if(withTime) {
    subtitle += (subtitle ? ' · ' : '') + formatDate(doc.date);
  } else if(!subtitle) {
    subtitle = 'Unknown Artist';
  }
  
  div.innerHTML = `
  <div class="audio-download"><div class="tgico-download"></div></div>
  <div class="audio-toggle audio-ico tgico-largeplay"></div>
  <div class="audio-details">
    <div class="audio-title">${title}</div>
    <div class="audio-subtitle">${subtitle}</div>
    <div class="audio-time">${durationStr}</div>
  </div>
  `;

  /* if(!subtitle) {
    div.classList.add('audio-no-subtitle');
  } */
  
  //////console.log('wrapping audio', doc, doc.attributes[0].waveform);
  
  let timeDiv = div.lastElementChild as HTMLDivElement;
  
  let downloadDiv = div.querySelector('.audio-download') as HTMLDivElement;
  let preloader: ProgressivePreloader;
  let promise: CancellablePromise<Blob>;
  let progress: MediaProgressLine;

  let onClick = () => {
    if(!promise) {
      if(!preloader) {
        preloader = new ProgressivePreloader(null, true);
      }
      
      promise = appDocsManager.downloadDoc(doc.id);
      preloader.attach(downloadDiv, true, promise);
      
      promise.then(blob => {
        downloadDiv.classList.remove('downloading');
        downloadDiv.remove();
        
        let audio = document.createElement('audio');
        let source = document.createElement('source');
        source.src = doc.url;
        source.type = doc.mime_type;
        
        audio.volume = 1;

        progress = new MediaProgressLine(audio);
        
        div.removeEventListener('click', onClick);
        let toggle = div.querySelector('.audio-toggle') as HTMLDivElement;
        let subtitle = div.querySelector('.audio-subtitle') as HTMLDivElement;
        let launched = false;

        toggle.addEventListener('click', () => {
          if(!launched) {
            div.classList.add('audio-show-progress');
            launched = true;
          }

          subtitle.innerHTML = '';
          subtitle.append(progress.container);

          if(audio.paused) {
            if(lastAudioToggle && lastAudioToggle.classList.contains('tgico-largepause')) {
              lastAudioToggle.click();
            }
            
            audio.currentTime = 0;
            audio.play();
            
            lastAudioToggle = toggle;
            
            toggle.classList.remove('tgico-largeplay');
            toggle.classList.add('tgico-largepause');
          } else {
            audio.pause();
            toggle.classList.add('tgico-largeplay');
            toggle.classList.remove('tgico-largepause');
          }
        });
        
        audio.addEventListener('ended', () => {
          toggle.classList.add('tgico-largeplay');
          toggle.classList.remove('tgico-largepause');

          timeDiv.innerText = String(audio.currentTime | 0).toHHMMSS(true);
        });
        
        audio.style.display = 'none';
        audio.append(source);
        div.append(audio);
      });
      
      downloadDiv.classList.add('downloading');
    } else {
      downloadDiv.classList.remove('downloading');
      promise.cancel();
      promise = null;
    }
  };
  
  div.addEventListener('click', onClick);
  div.click();
  
  return div;
}

// https://github.com/LonamiWebs/Telethon/blob/4393ec0b83d511b6a20d8a20334138730f084375/telethon/utils.py#L1285
function decodeWaveform(waveform: Uint8Array | number[]) {
  if(!(waveform instanceof Uint8Array)) {
    waveform = new Uint8Array(waveform);
  }

  var bitCount = waveform.length * 8;
  var valueCount = bitCount / 5 | 0;
  if(!valueCount) {
    return new Uint8Array([]);
  }

  var dataView = new DataView(waveform.buffer);
  var result = new Uint8Array(valueCount);
  for(var i = 0; i < valueCount; i++) {
    var byteIndex = i * 5 / 8 | 0;
    var bitShift = i * 5 % 8;
    var value = dataView.getUint16(byteIndex, true);
    result[i] = (value >> bitShift) & 0b00011111;
  }

  /* var byteIndex = (valueCount - 1) / 8 | 0;
  var bitShift = (valueCount - 1) % 8;
  if(byteIndex == waveform.length - 1) {
    var value = waveform[byteIndex];
  } else {
    var value = dataView.getUint16(byteIndex, true);
  }

  console.log('decoded waveform, setting last value:', value, byteIndex, bitShift);
  result[valueCount - 1] = (value >> bitShift) & 0b00011111; */
  return result;
}

let lastAudioToggle: HTMLDivElement = null;
export function wrapVoiceMessage(doc: MTDocument, uploading = false): HTMLDivElement {
  let div = document.createElement('div');
  div.classList.add('audio', 'is-voice');
  
  let duration = doc.duration;
  
  let durationStr = String(duration | 0).toHHMMSS(true);
  
  div.innerHTML = `
  <div class="audio-toggle audio-ico tgico-largeplay"></div>
  <div class="audio-download">${uploading ? '' : '<div class="tgico-download"></div>'}</div>
  <div class="audio-time">${durationStr}</div>
  `;
  
  //////console.log('wrapping audio', doc, doc.attributes[0].waveform);
  
  let timeDiv = div.lastElementChild as HTMLDivElement;
  
  let downloadDiv = div.querySelector('.audio-download') as HTMLDivElement;
  let preloader: ProgressivePreloader;
  let promise: CancellablePromise<Blob>;
  
  let svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
  svg.classList.add('audio-waveform');
  svg.setAttributeNS(null, 'width', '190');
  svg.setAttributeNS(null, 'height', '23');
  svg.setAttributeNS(null, 'viewBox', '0 0 190 23');
  
  div.insertBefore(svg, div.lastElementChild);

  const barWidth = 2;
  const barMargin = 1;
  const barHeightMin = 2;
  const barHeightMax = 23;

  let waveform = doc.attributes[0].waveform || [];
  waveform = decodeWaveform(waveform.slice());

  //console.log('decoded waveform:', waveform);

  const normValue = Math.max(...waveform);
  const wfSize = waveform.length ? waveform.length : 100;
  const availW = 190;
  const barCount = Math.min((availW / (barWidth + barMargin)) | 0, wfSize);

  let maxValue = 0;
  let maxDelta = barHeightMax - barHeightMin;

  let html = '';
  for(let i = 0, barX = 0, sumI = 0; i < wfSize; ++i) {
    const value = waveform[i] || 0;
    if((sumI + barCount) >= wfSize) { // draw bar
      sumI = sumI + barCount - wfSize;
			if(sumI < (barCount + 1) / 2) {
				if(maxValue < value) maxValue = value;
      }
      
      const bar_value = Math.max(((maxValue * maxDelta) + ((normValue + 1) / 2)) / (normValue + 1), barHeightMin);
      
      let h = `
      <rect x="${barX}" y="${barHeightMax - bar_value}" width="2" height="${bar_value}" rx="1" ry="1"></rect>
      `;
      html += h;

      /* if(barX >= activeW) {
        p.fillRect(nameleft + barX, bottom - bar_value, barWidth, barHeightMin + bar_value, inactive);
      } else if (barX + barWidth <= activeW) {
        p.fillRect(nameleft + barX, bottom - bar_value, barWidth, barHeightMin + bar_value, active);
      } else {
        p.fillRect(nameleft + barX, bottom - bar_value, activeW - barX, barHeightMin + bar_value, active);
        p.fillRect(nameleft + activeW, bottom - bar_value, barWidth - (activeW - barX), barHeightMin + bar_value, inactive);
      } */
      barX += barWidth + barMargin;

      if(sumI < (barCount + 1) / 2) {
        maxValue = 0;
      } else {
        maxValue = value;
      }
    } else {
      if(maxValue < value) maxValue = value;

      sumI += barCount;
    }
  }

  svg.insertAdjacentHTML('beforeend', html);
  
  /* let index = 0;
  let skipped = 0;
  let h = '';
  for(let uint8 of wave) {
    if(index > 0 && index % 4 == 0) {
      ++index;
      ++skipped;
      continue;
    }
    //let percents = uint8 / 255;
    let percents = uint8 / 31;
    
    let height = 23 * percents;
    if(height < 2) {
      height = 2;
    }
    
    h += `
    <rect x="${(index - skipped) * 4}" y="${23 - height}" width="2" height="${height}" rx="1" ry="1"></rect>
    `;
    
    ++index;
  }
  svg.insertAdjacentHTML('beforeend', h); */
  
  let progress = div.querySelector('.audio-waveform') as HTMLDivElement;

  let onLoad = () => {
    let audio = document.createElement('audio');
    let source = document.createElement('source');
    source.src = doc.url;
    //source.type = doc.mime_type;
    source.type = 'audio/wav';
    
    audio.volume = 1;
    
    let toggle = div.querySelector('.audio-toggle') as HTMLDivElement;
    
    let interval = 0;
    let lastIndex = 0;
    
    toggle.addEventListener('click', () => {
      if(audio.paused) {
        if(lastAudioToggle && lastAudioToggle.classList.contains('tgico-largepause')) {
          lastAudioToggle.click();
        }
        
        audio.currentTime = 0;
        audio.play();
        
        lastAudioToggle = toggle;
        
        toggle.classList.remove('tgico-largeplay');
        toggle.classList.add('tgico-largepause');
        
        (Array.from(svg.children) as HTMLElement[]).forEach(node => node.classList.remove('active'));
        
        interval = setInterval(() => {
          if(lastIndex > svg.childElementCount || isNaN(audio.duration)) {
            clearInterval(interval);
            return;
          }

          timeDiv.innerText = String(audio.currentTime | 0).toHHMMSS(true);
          
          lastIndex = Math.round(audio.currentTime / audio.duration * 47);
          
          //svg.children[lastIndex].setAttributeNS(null, 'fill', '#000');
          //svg.children[lastIndex].classList.add('active'); #Иногда пропускает полоски..
          (Array.from(svg.children) as HTMLElement[]).slice(0,lastIndex+1).forEach(node => node.classList.add('active'));
          //++lastIndex;
          //console.log('lastIndex:', lastIndex, audio.currentTime);
          //}, duration * 1000 / svg.childElementCount | 0/* 63 * duration / 10 */);
        }, 20);
      } else {
        audio.pause();
        toggle.classList.add('tgico-largeplay');
        toggle.classList.remove('tgico-largepause');
        
        clearInterval(interval);
      }
    });
    
    audio.addEventListener('ended', () => {
      toggle.classList.add('tgico-largeplay');
      toggle.classList.remove('tgico-largepause');
      clearInterval(interval);
      (Array.from(svg.children) as HTMLElement[]).forEach(node => node.classList.remove('active'));
      
      timeDiv.innerText = String(audio.currentTime | 0).toHHMMSS(true);
    });
    
    let mousedown = false, mousemove = false;
    progress.addEventListener('mouseleave', (e) => {
      if(mousedown) {
        audio.play();
        mousedown = false;
      }
      mousemove = false;
    })
    progress.addEventListener('mousemove', (e) => {
      mousemove = true;
      if(mousedown) scrub(e, audio, progress);
    });
    progress.addEventListener('mousedown', (e) => {
      e.preventDefault();
      if(!audio.paused) {
        audio.pause();
        scrub(e, audio, progress);
        mousedown = true;
      }
    });
    progress.addEventListener('mouseup', (e) => {
      if (mousemove && mousedown) {
        audio.play();
        mousedown = false;
      }
    });
    progress.addEventListener('click', (e) => {
      if(!audio.paused) scrub(e, audio, progress);
    });
    
    function scrub(e: MouseEvent, audio: HTMLAudioElement, progress: HTMLDivElement) {
      let scrubTime = e.offsetX / 190 /* width */ * audio.duration;
      (Array.from(svg.children) as HTMLElement[]).forEach(node => node.classList.remove('active'));
      lastIndex = Math.round(scrubTime / audio.duration * 47);
      
      (Array.from(svg.children) as HTMLElement[]).slice(0,lastIndex+1).forEach(node => node.classList.add('active'));
      audio.currentTime = scrubTime;
    }
    
    audio.style.display = 'none';
    audio.append(source);
    div.append(audio);
  };

  if(!uploading) {
    let onClick = () => {
      if(!promise) {
        if(!preloader) {
          preloader = new ProgressivePreloader(null, true);
        }
        
        promise = appDocsManager.downloadDoc(doc.id);
        preloader.attach(downloadDiv, true, promise);
        
        promise.then(() => {
          downloadDiv.classList.remove('downloading');
          downloadDiv.remove();
          div.removeEventListener('click', onClick);
          onLoad();
        });
        
        downloadDiv.classList.add('downloading');
      } else {
        downloadDiv.classList.remove('downloading');
        promise.cancel();
        promise = null;
      }
    };
    
    div.addEventListener('click', onClick);
    div.click();
  } else {
    onLoad();
  }
  
  return div;
}

function wrapMediaWithTail(photo: any, message: {mid: number, message: string}, container: HTMLDivElement, boxWidth: number, boxHeight: number, isOut: boolean) {
  let svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
  svg.classList.add('bubble__media-container', isOut ? 'is-out' : 'is-in');
  
  let foreignObject = document.createElementNS("http://www.w3.org/2000/svg", 'foreignObject');
  
  appPhotosManager.setAttachmentSize(photo._ == 'document' ? photo : photo.id, foreignObject, boxWidth, boxHeight);
  
  let width = +foreignObject.getAttributeNS(null, 'width');
  let height = +foreignObject.getAttributeNS(null, 'height');

  svg.setAttributeNS(null, 'width', '' + width);
  svg.setAttributeNS(null, 'height', '' + height);

  let clipID = 'clip' + message.mid;
  svg.dataset.clipID = clipID;
  
  let defs = document.createElementNS("http://www.w3.org/2000/svg", 'defs');
  let clipPathHTML: string = '';
  
  if(message.message) {
    //clipPathHTML += `<rect width="${width}" height="${height}"></rect>`;
  } else {
    if(isOut) {
      clipPathHTML += `
      <use href="#message-tail" transform="translate(${width - 2}, ${height}) scale(-1, -1)"></use>
      <path />
      `;
    } else {
      clipPathHTML += `
      <use href="#message-tail" transform="translate(2, ${height}) scale(1, -1)"></use>
      <path />
      `;
    }
  }

  defs.innerHTML = `<clipPath id="${clipID}">${clipPathHTML}</clipPath>`;
  
  container.style.width = parseInt(container.style.width) - 9 + 'px';

  svg.append(defs, foreignObject);
  container.append(svg);

  let img = foreignObject.firstElementChild as HTMLImageElement;
  if(!img) {
    foreignObject.append(img = new Image());
  }

  return img;
}

export function wrapPhoto(photoID: string, message: any, container: HTMLDivElement, boxWidth = 480, boxHeight = 480, withTail = true, isOut = false, lazyLoadQueue: LazyLoadQueue, middleware: () => boolean, size: MTPhotoSize = null) {
  let photo = appPhotosManager.getPhoto(photoID);

  let image: HTMLImageElement;
  if(withTail) {
    image = wrapMediaWithTail(photo, message, container, boxWidth, boxHeight, isOut);
  } else {
    if(size) { // album
      let sizes = photo.sizes;
      if(!photo.downloaded && sizes && sizes[0].bytes) {
        appPhotosManager.setAttachmentPreview(sizes[0].bytes, container, false);
      }
    } else if(boxWidth && boxHeight) { // means webpage's preview
      size = appPhotosManager.setAttachmentSize(photoID, container, boxWidth, boxHeight, false);
    }

    image = container.lastElementChild as HTMLImageElement;
    if(!image || image.tagName != 'IMG') {
      container.append(image = new Image());
    }
  }

  //console.log('wrapPhoto downloaded:', photo, photo.downloaded, container);

  // так нельзя делать, потому что может быть загружен неправильный размер картинки
  /* if(photo.downloaded && photo.url) {
    renderImageFromUrl(image, photo.url);
    return;
  } */

  let preloader: ProgressivePreloader;
  if(message.media.preloader) { // means upload
    message.media.preloader.attach(container);
  } else if(!photo.downloaded) {
    preloader = new ProgressivePreloader(container, false);
  }

  let load = () => {
    let promise = appPhotosManager.preloadPhoto(photoID, size);
    
    if(preloader) {
      preloader.attach(container, true, promise);
    }
    
    return promise.then(() => {
      if(middleware && !middleware()) return;

      renderImageFromUrl(image || container, photo.url);
    });
  };
  
  /////////console.log('wrapPhoto', load, container, image);
  
  return photo.downloaded ? load() : lazyLoadQueue.push({div: container, load: load, wasSeen: true});
}

export function wrapSticker({doc, div, middleware, lazyLoadQueue, group, play, onlyThumb, emoji}: {
  doc: MTDocument, 
  div: HTMLDivElement, 
  middleware?: () => boolean, 
  lazyLoadQueue?: LazyLoadQueue, 
  group?: string, 
  play?: boolean, 
  onlyThumb?: boolean,
  emoji?: string
}) {
  let stickerType = doc.sticker;

  if(stickerType == 2 && !LottieLoader.loaded) {
    //LottieLoader.loadLottie();
    LottieLoader.loadLottieWorkers();
  }
  
  if(!stickerType) {
    console.error('wrong doc for wrapSticker!', doc);
    throw new Error('wrong doc for wrapSticker!');
  }

  div.dataset.docID = doc.id;
  
  //console.log('wrap sticker', doc, div, onlyThumb);

  const toneIndex = emoji ? getEmojiToneIndex(emoji) : -1;
  
  if(doc.thumbs && !div.firstElementChild && (!doc.downloaded || stickerType == 2)) {
    let thumb = doc.thumbs[0];
    
    //console.log('wrap sticker', thumb, div);
    
    if(thumb.bytes) {
      let img = new Image();

      if(appWebpManager.isSupported() || doc.stickerThumbConverted) {
        renderImageFromUrl(img, appPhotosManager.getPreviewURLFromThumb(thumb, true));

        div.append(img);
      } else {
        appWebpManager.convertToPng(thumb.bytes).then(bytes => {
          if(middleware && !middleware()) return;

          thumb.bytes = bytes;
          doc.stickerThumbConverted = true;

          if(!div.childElementCount) {
            renderImageFromUrl(img, appPhotosManager.getPreviewURLFromThumb(thumb, true)).then(() => {
              div.append(img);
            });
          }
        });
      }
      
      if(onlyThumb) {
        return Promise.resolve();
      }
    } else if(!onlyThumb && stickerType == 2) {
      let img = new Image();
      let load = () => appDocsManager.downloadDocThumb(doc, thumb.type).then(url => {
        if(!img.parentElement || (middleware && !middleware())) return;
        let promise = renderImageFromUrl(img, url);

        if(!downloaded) {
          promise.then(() => {
            div.append(img);
          });
        }
      });
      
      let downloaded = appDocsManager.hasDownloadedThumb(doc.id, thumb.type);
      if(downloaded) {
        div.append(img);
      }

      lazyLoadQueue && !downloaded ? lazyLoadQueue.push({div, load, wasSeen: group == 'chat'}) : load();
    }
  }

  if(onlyThumb && doc.thumbs) { // for sticker panel
    let thumb = doc.thumbs[0];
    
    let load = () => appDocsManager.downloadDocThumb(doc, thumb.type).then(url => {
      let img = new Image();
      renderImageFromUrl(img, url).then(() => {
        if(middleware && !middleware()) return;
        div.append(img);
      });
    });
    
    return lazyLoadQueue ? (lazyLoadQueue.push({div, load}), Promise.resolve()) : load();
  }
  
  let downloaded = doc.downloaded;
  let load = () => appDocsManager.downloadDoc(doc.id).then(blob => {
    //console.log('loaded sticker:', doc, div);
    if(middleware && !middleware()) return;

    //return;
    
    if(stickerType == 2) {
      const reader = new FileReader();
      
      reader.addEventListener('loadend', async(e) => {
        //console.time('decompress sticker' + doc.id);
        //console.time('render sticker' + doc.id);
        // @ts-ignore
        const text = e.srcElement.result;
        let json = await apiManager.gzipUncompress<string>(text, true);

        //console.timeEnd('decompress sticker' + doc.id);

        /* if(doc.id == '1860749763008266301') {
          console.log('loaded sticker:', doc, div);
        } */

        let animation = await LottieLoader.loadAnimationWorker/* loadAnimation */({
          container: div,
          loop: !emoji,
          autoplay: true,
          animationData: JSON.parse(json)
        }, group, toneIndex);

        animation.addListener('ready', () => {
          if(div.firstElementChild && div.firstElementChild.tagName == 'IMG') {
            div.firstElementChild.remove();
          }
        });

        //console.timeEnd('render sticker' + doc.id);

        /* div.addEventListener('mouseover', (e) => {
          let animation = LottieLoader.getAnimation(div, group);
          
          if(animation) {
            //console.log('sticker hover', animation, div);
            
            // @ts-ignore
            animation.loop = true;
            
            // @ts-ignore
            if(animation.currentFrame == animation.totalFrames - 1) {
              animation.goToAndPlay(0, true);
            } else {
              animation.play();
            }
            
            div.addEventListener('mouseout', () => {
              // @ts-ignore
              animation.loop = false;
            }, {once: true});
          }
        });
        
        if(play && false) {
          animation.play();
        } */
      });
      
      reader.readAsArrayBuffer(blob);
    } else if(stickerType == 1) {
      let img = new Image();

      if(!downloaded && (!div.firstElementChild || div.firstElementChild.tagName != 'IMG')) {
        img.style.opacity = '' + 0;

        img.addEventListener('load', () => {
          window.requestAnimationFrame(() => {
            img.style.opacity = '';
          });
        });
      }

      renderImageFromUrl(img, doc.url).then(() => {
        if(div.firstElementChild && div.firstElementChild != img) {
          div.firstElementChild.remove();
        }

        div.append(img);
      });
    }
  });
  
  return lazyLoadQueue && (!doc.downloaded || stickerType == 2) ? (lazyLoadQueue.push({div, load, wasSeen: group == 'chat' && stickerType != 2}), Promise.resolve()) : load();
}

export function wrapReply(title: string, subtitle: string, message?: any) {
  let div = document.createElement('div');
  div.classList.add('reply');
  
  let replyBorder = document.createElement('div');
  replyBorder.classList.add('reply-border');
  
  let replyContent = document.createElement('div');
  replyContent.classList.add('reply-content');
  
  let replyTitle = document.createElement('div');
  replyTitle.classList.add('reply-title');
  
  let replySubtitle = document.createElement('div');
  replySubtitle.classList.add('reply-subtitle');
  
  replyTitle.innerHTML = title ? RichTextProcessor.wrapEmojiText(title) : '';
  
  let media = message && message.media;
  if(media) {
    replySubtitle.innerHTML = message.rReply;
    
    if(media.photo || (media.document && ['video'].indexOf(media.document.type) !== -1)) {
      let replyMedia = document.createElement('div');
      replyMedia.classList.add('reply-media');
      
      let photo = media.photo || media.document;
      
      let sizes = photo.sizes || photo.thumbs;
      if(sizes && sizes[0].bytes) {
        appPhotosManager.setAttachmentPreview(sizes[0].bytes, replyMedia, false, true);
      }
      
      appPhotosManager.preloadPhoto(photo, appPhotosManager.choosePhotoSize(photo, 32, 32))
      .then(() => {
        renderImageFromUrl(replyMedia, photo._ == 'photo' ? photo.url : appPhotosManager.getDocumentCachedThumb(photo.id).url);
      });
      
      replyContent.append(replyMedia);
      div.classList.add('is-reply-media');
    }
  } else {
    replySubtitle.innerHTML = subtitle ? RichTextProcessor.wrapEmojiText(subtitle) : '';
  }
  
  replyContent.append(replyTitle, replySubtitle);
  div.append(replyBorder, replyContent);
  
  /////////console.log('wrapReply', title, subtitle, media);
  
  return div;
}

export function wrapAlbum({groupID, attachmentDiv, middleware, uploading, lazyLoadQueue, isOut}: {
  groupID: string, 
  attachmentDiv: HTMLElement,
  middleware?: () => boolean,
  lazyLoadQueue?: LazyLoadQueue,
  uploading?: boolean,
  isOut: boolean
}) {
  let items: {size: MTPhotoSize, media: any, message: any}[] = [];

  // higher msgID will be the last in album
  let storage = appMessagesManager.groupedMessagesStorage[groupID];
  for(let mid in storage) {
    let m = appMessagesManager.getMessage(+mid);
    let media = m.media.photo || m.media.document;

    let size: any = media._ == 'photo' ? appPhotosManager.choosePhotoSize(media, 480, 480) : {w: media.w, h: media.h};
    items.push({size, media, message: m});
  }

  let spacing = 2;
  let layouter = new Layouter(items.map(i => ({w: i.size.w, h: i.size.h})), 451, 100, spacing);
  let layout = layouter.layout();
  console.log('layout:', layout, items.map(i => ({w: i.size.w, h: i.size.h})));

  /* let borderRadius = window.getComputedStyle(realParent).getPropertyValue('border-radius');
  let brSplitted = fillPropertyValue(borderRadius); */

  for(let {geometry, sides} of layout) {
    let item = items.shift();
    if(!item) {
      console.error('no item for layout!');
      continue;
    }

    let {size, media, message} = item;
    let div = document.createElement('div');
    div.classList.add('album-item');
    div.dataset.mid = message.mid;

    div.style.width = geometry.width + 'px';
    div.style.height = geometry.height + 'px';
    div.style.top = geometry.y + 'px';
    div.style.left = geometry.x + 'px';

    if(sides & RectPart.Right) {
      attachmentDiv.style.width = geometry.width + geometry.x + 'px';
    }

    if(sides & RectPart.Bottom) {
      attachmentDiv.style.height = geometry.height + geometry.y + 'px';
    }

    if(sides & RectPart.Left && sides & RectPart.Top) {
      div.style.borderTopLeftRadius = 'inherit';
    }

    if(sides & RectPart.Left && sides & RectPart.Bottom) {
      div.style.borderBottomLeftRadius = 'inherit';
    }

    if(sides & RectPart.Right && sides & RectPart.Top) {
      div.style.borderTopRightRadius = 'inherit';
    }

    if(sides & RectPart.Right && sides & RectPart.Bottom) {
      div.style.borderBottomRightRadius = 'inherit';
    }

    if(media._ == 'photo') {
      wrapPhoto(
        media.id,
        message,
        div,
        0,
        0,
        false,
        isOut,
        lazyLoadQueue,
        middleware,
        size
      );
    } else {
      wrapVideo({
        doc: message.media.document,
        container: div,
        message,
        boxWidth: 0,
        boxHeight: 0,
        withTail: false,
        isOut,
        lazyLoadQueue,
        middleware
      });
    }

    // @ts-ignore
    //div.style.backgroundColor = '#' + Math.floor(Math.random() * (2 ** 24 - 1)).toString(16).padStart(6, '0');

    attachmentDiv.append(div);
  }
}

export function wrapPoll(pollID: string, mid: number) {
  let elem = new PollElement();
  elem.setAttribute('poll-id', pollID);
  elem.setAttribute('message-id', '' + mid);
  return elem;
}