doneit-web/src/app/shared/chat/messages/messages.page.ts

import { AfterViewChecked, AfterViewInit, Component, ElementRef, ChangeDetectorRef, EventEmitter, Input, OnChanges, OnDestroy, OnInit, Output, SimpleChanges, ViewChild } from '@angular/core';
import { AnimationController, GestureController, IonSlides, ModalController, PopoverController } from '@ionic/angular';
import { AlertService } from 'src/app/services/alert.service';
import { AuthService } from 'src/app/services/auth.service';
import { ChatService } from 'src/app/services/chat.service';
import { ToastService } from 'src/app/services/toast.service';
import { ChatOptionsPopoverPage } from 'src/app/shared/popover/chat-options-popover/chat-options-popover.page';
import { MessagesOptionsPage } from 'src/app/shared/popover/messages-options/messages-options.page';
import { ContactsPage } from '../new-group/contacts/contacts.page';
import { Router } from '@angular/router';
import { ChatOptionsFeaturesPage } from 'src/app/modals/chat-options-features/chat-options-features.page';
import { ChatMessageStore } from 'src/app/store/chat/chat-message.service';
import { ChatUserStorage } from 'src/app/store/chat/chat-user.service';
import { TimeService } from 'src/app/services/functions/time.service';
import { FileService } from 'src/app/services/functions/file.service';
import { HttpClient, HttpEventType } from '@angular/common/http';
import { ViewDocumentPage } from 'src/app/modals/view-document/view-document.page';
import { ThemeService } from 'src/app/services/theme.service'
import { ViewMediaPage } from 'src/app/modals/view-media/view-media.page';
import { SqliteService } from 'src/app/services/sqlite.service';
import { StorageService } from 'src/app/services/storage.service';
import { ViewEventPage } from 'src/app/modals/view-event/view-event.page';
import { Storage } from '@ionic/storage';
import { WsChatMethodsService } from 'src/app/services/chat/ws-chat-methods.service'
import { WsChatService } from 'src/app/services/chat/ws-chat.service'
import { MessageService } from 'src/app/services/chat/message.service';
import { AttachmentsService } from 'src/app/services/attachments.service';

import { CameraService } from 'src/app/services/camera.service';
import { FileType } from 'src/app/models/fileType';
import { SearchPage } from 'src/app/pages/search/search.page';
import { ProcessesService } from 'src/app/services/processes.service';
import { FileToBase64Service } from 'src/app/services/file/file-to-base64.service';
import { Camera, CameraResultType, CameraSource } from '@capacitor/camera';
import { DocumentViewer, DocumentViewerOptions } from '@ionic-native/document-viewer';
import { VoiceRecorder, VoiceRecorderPlugin, RecordingData, GenericResponse, CurrentRecordingStatus } from 'capacitor-voice-recorder';
import { Filesystem, Directory, Encoding } from '@capacitor/filesystem';
import { DomSanitizer } from '@angular/platform-browser';

const IMAGE_DIR = 'stored-images';
@Component({
  selector: 'app-messages',
  templateUrl: './messages.page.html',
  styleUrls: ['./messages.page.scss'],
})
export class MessagesPage implements OnInit, OnChanges, AfterViewInit, OnDestroy {
  showLoader: boolean;

  @ViewChild('scrollMe') private myScrollContainer: ElementRef;
  @ViewChild('message-item') messageContainer: ElementRef;

  loggedUser: any;

  messages: any;
  dm: any;
  userPresence = '';
  dmUsers: any;
  checktimeOut: boolean;
  members: any;
  downloadProgess = 0;

  @Input() roomId: string;
  @Input() showMessages: string;

  @Output() openNewEventPage: EventEmitter<any> = new EventEmitter<any>();
  @Output() getDirectMessages: EventEmitter<any> = new EventEmitter<any>();


  chatMessageStore = ChatMessageStore
  chatUserStorage = ChatUserStorage

  scrollingOnce: boolean = true;
  private scrollChangeCallback: () => void;
  currentPosition: any;
  startPosition: number;
  mesageItemDropdownOptions: boolean = false;
  scrollToBottomBtn = false;
  longPressActive = false;
  frameUrl: any;
  downloadFile: any;
  massages: MessageService[] = []

  showAvatar = true;

  recording = false;
  allowTyping = true;
  storedFileNames = [];
  lastAudioRecorded = '';
  audioRecorded:any = "";
  audioDownloaded:any = "";
  durationDisplay = '';
  duration = 0;

  constructor(
    public popoverController: PopoverController,
    private modalController: ModalController,
    /* private navParams: NavParams, */
    private chatService: ChatService,
    private authService: AuthService,
    private animationController: AnimationController,
    private alertService: AlertService,
    private toastService: ToastService,
    private route: Router,
    private timeService: TimeService,
    private fileService: FileService,
    private gestureController: GestureController,
    private http: HttpClient,
    public ThemeService: ThemeService,
    private changeDetectorRef: ChangeDetectorRef,
    private sqliteservice: SqliteService,
    private storageservice: StorageService,
    private router: Router,
    private storage: Storage,
    public wsChatMethodsService: WsChatMethodsService,
    public WsChatService: WsChatService,
    private AttachmentsService: AttachmentsService,

    private CameraService: CameraService,
    private processesService: ProcessesService,
    private fileToBase64Service: FileToBase64Service,
    private sanitiser: DomSanitizer,
  ) {

    this.loggedUser = authService.ValidatedUserChat['data'];

  }
  ngOnChanges(changes: SimpleChanges): void {
    this.wsChatMethodsService.getDmRoom(this.roomId).loadHistory({})

    this.wsChatMethodsService.getDmRoom(this.roomId).scrollDown = this.scrollToBottomClicked

    this.wsChatMethodsService.openRoom(this.roomId)

    this.wsChatMethodsService.getDmRoom(this.roomId).uploadAttachment = async (formData) => {
      let guid: any = await this.AttachmentsService.uploadFile(formData).toPromise()
    }

    this.showAvatar = false

    setTimeout(() => {
      this.scrollToBottomClicked()
      this.showAvatar = true
    }, 150)

    this.deleteRecording()

  }

  ngOnInit() {
    this.scrollToBottom();

    this.getChatMembers();
    VoiceRecorder.requestAudioRecordingPermission();
    this.deleteRecording();
    this.loadFiles();
  }


  onPressingMessage() {
    const gesture = this.gestureController.create({
      el: this.messageContainer.nativeElement,
      gestureName: 'long-press',
      onStart: ev => {
        this.longPressActive = true;
        console.log('Pressing');
      },
      onEnd: ev => {
        this.longPressActive = false;
        console.log('Stop pressing');
      }
    });
  }

  load = () => {
    this.checktimeOut = true;
    this.getChatMembers();
  }


  doRefresh(ev: any) {
    this.load();
    ev.target.complete();
  }

  scrollToBottom = () => {
    try {
      if (this.scrollingOnce) {
        this.myScrollContainer.nativeElement.scrollTop = this.myScrollContainer.nativeElement.scrollHeight;
        //this.scrollingOnce = false;
      }
    } catch (err) { }
  }

  scrollToBottomClicked = () => {
    console.log('scroll')
    try {
      this.myScrollContainer.nativeElement.scrollTop = this.myScrollContainer.nativeElement.scrollHeight;
      //this.scrollingOnce = false;
    } catch (err) { }
  }

  ngAfterViewInit() {
    this.scrollChangeCallback = () => this.onContentScrolled(event);
    window.addEventListener('scroll', this.scrollChangeCallback, true);
  }

  onContentScrolled(e) {
    this.startPosition = e.srcElement.scrollTop;
    let scroll = e.srcElement.scrollTop;
    let windowHeight = e.srcElement.scrollHeight;
    let containerHeight = windowHeight - e.srcElement.clientHeight;

    if (scroll > this.currentPosition) {
      //alert('BOTTOM');
    } else {
      //alert('UP');
      this.scrollingOnce = false;
    }
    if ((containerHeight - 100) > scroll) {
      this.scrollToBottomBtn = true;
    }
    else {
      this.scrollToBottomBtn = false;
    }
    this.currentPosition = scroll;
  }

  calculateDuration() {
    if (!this.recording) {
      this.duration = 0;
      this.durationDisplay = '';
      return;
    }
    this.duration += 1;
    const minutes = Math.floor(this.duration / 60);
    const seconds = (this.duration % 60).toString().padStart(2, '0');
    this.durationDisplay = `${minutes}:${seconds}`;

    setTimeout(() => {
      this.calculateDuration();
    }, 1000)
  }

  async getFile(fileName?:any){
    const audioFile = await Filesystem.readFile({
      path: fileName,
      directory: Directory.Data
    })
    const base64sound = audioFile.data;
    const base64Response = await fetch(`data:audio/ogg;base64,${base64sound}`);
    this.audioRecorded = base64Response.url;
  }

  async loadFiles() {

    this.storage.get('fileName').then((fileName) => {
      this.lastAudioRecorded = fileName;
    })

    this.storage.get('recordData').then((recordData) => {
      console.log(recordData);
      if(recordData.value.recordDataBase64.includes('data:audio')){
        this.audioRecorded = this.sanitiser.bypassSecurityTrustResourceUrl(recordData.value.recordDataBase64);
      }
      else{
        this.audioRecorded = this.sanitiser.bypassSecurityTrustResourceUrl(`data:${recordData.value.mimeType};base64,${recordData.value.recordDataBase64}`);
      }
    });
  }

  startRecording() {
    console.log('Recording');

    if (this.recording) {
      return;
    }
    this.recording = true;
    VoiceRecorder.startRecording();
    this.calculateDuration();
  }

  stopRecording() {
    this.deleteRecording();
    this.allowTyping = false;
    console.log('Stop');
    if (!this.recording) {
      return;
    }
    this.recording = false;
    VoiceRecorder.stopRecording().then(async (result: RecordingData) => {
      console.log(result);
      this.recording = false;
      if (result.value && result.value.recordDataBase64) {
        const recordData = result.value.recordDataBase64;
        //console.log(recordData);
        const fileName = new Date().getTime() + ".mp3";
        //Save file
        this.storage.set('fileName',fileName);
        this.storage.set('recordData',result).then(() => {
          console.log('Audio recorded saved');
        })
      }
    })
    setTimeout(async () => {
      this.loadFiles();
    }, 1000);
  }

  async deleteRecording(){
    this.storage.remove('fileName');
    this.storage.remove('recordData');

    this.allowTyping = true;
    this.lastAudioRecorded = '';
    this.loadFiles();
  }

  ngOnDestroy() {
    this.checktimeOut = false;
    window.removeEventListener('scroll', this.scrollChangeCallback, true);
  }

  openBookMeetingComponent() {
    let data = {
      roomId: this.roomId,
      members: this.members
    }
    this.openNewEventPage.emit(data);
  }

  showDateDuration(start: any) {
    return this.timeService.showDateDuration(start);
  }

  async goToEvent(eventId: any) {
    let classs;
    if (window.innerWidth < 701) {
      classs = 'modal modal-desktop'
    } else {
      classs = 'modal modal-desktop showAsideOptions'
    }
    const modal = await this.modalController.create({
      component: ViewEventPage,
      componentProps: {
        eventId: eventId,
      },
      cssClass: classs,
    });
    await modal.present();
    modal.onDidDismiss().then((res) => {
      console.log(res);
    });
  }

  sendMessage() {
    this.wsChatMethodsService.getDmRoom(this.roomId).send({})
  }

  async sendAudio(fileName) {

    const roomId = this.roomId
    let audioFile;
    this.storage.get('recordData').then((recordData) => {
      console.log(recordData);
      audioFile = recordData;
      if(recordData.value.recordDataBase64.includes('data:audio')){
        this.audioRecorded = recordData.value.recordDataBase64;
      }
      else{
        this.audioRecorded = `data:${recordData.value.mimeType};base64,${recordData.value.recordDataBase64}`;
      }
    });

    //Converting base64 to blob
    const base64Response = await fetch(this.audioRecorded);
    const blob = await  base64Response.blob();

    const formData = new FormData();
    formData.append("blobFile", blob);

    this.wsChatMethodsService.getDmRoom(roomId).send({
      file: {
        "type": "application/audio",
        /* "guid": '', */
        "msDuration":audioFile.value.msDuration,
        "mimeType":audioFile.value.mimeType,
      },
      attachments: [{
        "title": fileName ,
        "title_link": this.audioRecorded,
        "title_link_download": true,
        "type": "audio"
      }],
      temporaryData: formData
    })
    this.deleteRecording();

  }

  deleteMessage(msgId: string) {
    const room = this.wsChatMethodsService.getDmRoom(this.roomId)
    this.alertService.confirmDeleteMessage(msgId, room);
  }

  async viewDocument(msg: any, url?: string) {
    if (msg.file.type == "application/img") {
      let response: any = await this.AttachmentsService.getFile(msg.file.guid).toPromise();
      console.log(response);
      alert(response);

      //this.openPreview(msg);

    }
    else if (msg.file.type == "application/webtrix") {
      this.openViewDocumentModal(msg.file);
    }
    else {
      console.log('PDF CLICK', msg)
      /* let fullUrl;
      fullUrl = "https://gabinetedigitalchat.dyndns.info" + url;
      //fullUrl = "http://www.africau.edu/images/default/sample.pdf";

      this.frameUrl = fullUrl; */
      let file = new Blob([msg.attachments[0].image_url], { type: 'application/pdf' });
      let fileURL = URL.createObjectURL(file)
      window.open(fileURL);

      // this.chatService.getDocumentDetails(fullUrl);
    }
  }


  async openViewDocumentModal(file: any) {
    let task = {
      serialNumber: '',
      taskStartDate: '',
      isEvent: true,
      workflowInstanceDataFields: {
        FolderID: '',
        Subject: file.Assunto,
        SourceSecFsID: file.ApplicationId,
        SourceType: 'DOC',
        SourceID: file.DocId,
        DispatchNumber: ''
      }
    }

    let doc = {
      "Id": "",
      "ParentId": "",
      "Source": 1,
      "ApplicationId": file.ApplicationId,
      "CreateDate": "",
      "Data": null,
      "Description": "",
      "Link": null,
      "SourceId": file.DocId,
      "SourceName": file.Assunto,
      "Stakeholders": "",
    }

    const modal = await this.modalController.create({
      component: ViewDocumentPage,
      componentProps: {
        trustedUrl: '',
        file: {
          title: file.Assunto,
          url: '',
          title_link: '',
        },
        Document: doc,
        applicationId: file.ApplicationId,
        docId: file.DocId,
        folderId: '',
        task: task
      },
      cssClass: 'modal modal-desktop'
    });
    await modal.present();
  }

  getChatMembers() {
    console.log(this.roomId);

    //this.showLoader = true;
    this.chatService.getMembers(this.roomId).subscribe(res => {
      this.members = res['members'];
      this.dmUsers = res['members'].filter(data => data.username != this.loggedUser.me.username)
      console.log(res);
      console.log(this.dmUsers);
      this.showLoader = false;
    });
  }

  async openMessagesOptions(ev: any) {
    const popover = await this.popoverController.create({
      component: MessagesOptionsPage,
      componentProps: {
        roomId: this.dm._id,
      },
      cssClass: 'messages-options',
      event: ev,
      translucent: true,
    });
    return await popover.present();
  }

  async addContacts() {
    const modal = await this.modalController.create({
      component: ContactsPage,
      componentProps: {},
      cssClass: 'contacts',
      backdropDismiss: false
    });

    await modal.present();

    modal.onDidDismiss();
  }

  openSendMessageOptions(ev?: any) {
    if (window.innerWidth < 701) {
      console.log('mobile');
      this.openChatOptions(ev);
    }
    else {
      console.log('desktop');
      this._openChatOptions();
    }
  }

  async openChatOptions(ev: any) {
    const popover = await this.popoverController.create({
      component: ChatOptionsPopoverPage,
      cssClass: 'chat-options-popover',
      event: ev,
      translucent: true
    });
    return await popover.present();
  }



  async _openMessagesOptions() {

    const enterAnimation = (baseEl: any) => {
      const backdropAnimation = this.animationController.create()
        .addElement(baseEl.querySelector('ion-backdrop')!)
        .fromTo('opacity', '0.01', 'var(--backdrop-opacity)');

      const wrapperAnimation = this.animationController.create()
        .addElement(baseEl.querySelector('.modal-wrapper')!)
        .keyframes([
          { offset: 0, opacity: '1', right: '-100%' },
          { offset: 1, opacity: '1', right: '0px' }
        ]);

      return this.animationController.create()
        .addElement(baseEl)
        .easing('ease-out')
        .duration(500)
        .addAnimation([backdropAnimation, wrapperAnimation]);
    }

    const leaveAnimation = (baseEl: any) => {
      return enterAnimation(baseEl).direction('reverse');
    }


    /* const popover = await this.popoverController.create({
      component: MessagesOptionsPage,
      componentProps: {
        roomId: this.dm._id,
      },
      cssClass: 'messages-options',
      event: ev,
      translucent: true,
    });
    return await popover.present(); */

    const modal = await this.modalController.create({
      enterAnimation,
      leaveAnimation,
      component: MessagesOptionsPage,
      cssClass: 'model profile-modal search-submodal',
      componentProps: {
        roomId: this.roomId,
      }
    });
    return await modal.present();
  }


  async takePictureMobile() {
    const roomId = this.roomId

    const file = await Camera.getPhoto({
      quality: 90,
      // allowEditing: true,
      resultType: CameraResultType.Base64,
      source: CameraSource.Camera
    });
    console.log('ADDFILECHAT', file)
    //const imageData =  await this.fileToBase64Service.convert(file)
    //console.log('ADDFILECHAT', imageData)

    const response = await fetch('data:image/jpeg;base64,' + file.base64String!);
    const blob = await response.blob();

    const formData = new FormData();
    formData.append("blobFile", blob);

    this.wsChatMethodsService.getDmRoom(roomId).send({
      file: {
        "type": "application/img",
        "guid": '',
      },
      temporaryData: formData,
      attachments: [{
        "title": file.path,
        //"image_url": 'data:image/jpeg;base64,' + file.base64String,
        "text": "description",
        "title_link_download": false,
      }]
    })

  }

  async takePicture() {
    const roomId = this.roomId

    const image = await this.CameraService.takePicture();
    await this.fileService.saveImage(image)
    const lastphoto: any = await this.fileService.loadFiles();
    const { capturedImage, capturedImageTitle } = await this.fileService.loadFileData(lastphoto);
    const base64 = await fetch(capturedImage);
    console.log('imsge take picture', image)
    const blob = await base64.blob();
    const formData = new FormData();
    formData.append("blobFile", blob);

    console.log('formData', formData)

    this.wsChatMethodsService.getDmRoom(roomId).send({
      file: {
        "type": "application/img",
        "guid": ''
      },
      temporaryData: formData,
      attachments: [{
        "title": capturedImageTitle,
        "image_url": capturedImage,
        "text": "description",
        "title_link_download": false,
      }]
    })

  }

  async addImage() {
    this.addFileToChatMobile(['image/apng', 'image/jpeg', 'image/png'])
  }

  async addFile() {
    this.addFileToChat(['.doc', '.docx', '.pdf'])
  }

  async addFileWebtrix() {
    const modal = await this.modalController.create({
      component: SearchPage,
      cssClass: 'group-messages modal-desktop search-modal search-modal-to-desktop',
      componentProps: {
        type: 'AccoesPresidenciais & ArquivoDespachoElect',
        select: true,
        showSearchInput: true,
      }
    });
    await modal.present();
    modal.onDidDismiss().then(async res => {
      const data = res.data;
      const roomId = this.roomId

      if (data.selected) {

        this.wsChatMethodsService.getDmRoom(roomId).send({
          file: {
            "name": res.data.selected.Assunto,
            "type": "application/webtrix",
            "ApplicationId": res.data.selected.ApplicationType,
            "DocId": res.data.selected.Id,
            "Assunto": res.data.selected.Assunto,
          },
          attachments: [{
            "title": res.data.selected.Assunto,
            "description": res.data.selected.DocTypeDesc,
            "title_link_download": true,
            "type": "webtrix",
            "text": res.data.selected.DocTypeDesc,
            "thumb_url": "https://static.ichimura.ed.jp/uploads/2017/10/pdf-icon.png",
          }],
        })


      }
    });
  }

  async addFileToChatMobile(types: typeof FileType[]) {
    const roomId = this.roomId

    const file = await Camera.getPhoto({
      quality: 90,
      // allowEditing: true,
      resultType: CameraResultType.Base64,
      source: CameraSource.Photos
    });
    console.log('ADDFILECHAT', file)
    //const imageData =  await this.fileToBase64Service.convert(file)
    //console.log('ADDFILECHAT', imageData)

    const response = await fetch('data:image/jpeg;base64,' + file.base64String!);
    const blob = await response.blob();

    const formData = new FormData();
    formData.append("blobFile", blob);

    this.wsChatMethodsService.getDmRoom(roomId).send({
      file: {
        "type": "application/img",
        "guid": ''
      },
      temporaryData: formData,
      attachments: [{
        "title": file.path,
        //"image_url": 'data:image/jpeg;base64,' + file.base64String,
        "text": "description",
        "title_link_download": false,
      }]
    })

  }



  async addFileToChat(types: typeof FileType[]) {

    const roomId = this.roomId

    const file: any = await this.fileService.getFileFromDevice(types);
    console.log('Add file', file)
    /* const imageData =  await this.fileToBase64Service.convert(file).then((filee) => {
      console.log('Add file', filee)
    }) */
    const blob = new Blob([file], { type: file.type })
    console.log('Add file', blob)

    const formData = new FormData();
    formData.append("blobFile", blob);

    let pdfBase64;
    this.blobToBase64(blob).then(res => {
      console.log('Base64 pdf', res);
      this.wsChatMethodsService.getDmRoom(roomId).send({
        file: {
          "type": file.type,
          "guid": '',
        },
        attachments: [{
          "title": file.name,
          "name": file.name,
          //"image_url": res,
          // "text": "description",
          "title_link_download": false,
        }],
        temporaryData: formData
      })
    });


  }

  blobToBase64 = blob => {
    const reader = new FileReader();
    reader.readAsDataURL(blob);
    return new Promise(resolve => {
      reader.onloadend = () => {
        resolve(reader.result);
      };
    });
  };


  bookMeeting() {
    let data = {
      roomId: this.roomId,
      members: this.members
    }
    this.openNewEventPage.emit(data);
  }


  chatsend() {

  }

  async _openChatOptions() {
    const roomId = this.roomId;


    const enterAnimation = (baseEl: any) => {
      const backdropAnimation = this.animationController.create()
        .addElement(baseEl.querySelector('ion-backdrop')!)
        .fromTo('opacity', '0.01', 'var(--backdrop-opacity)');

      const wrapperAnimation = this.animationController.create()
        .addElement(baseEl.querySelector('.modal-wrapper')!)
        .keyframes([
          { offset: 0, opacity: '1', right: '-100%' },
          { offset: 1, opacity: '1', right: '0px' }
        ]);

      return this.animationController.create()
        .addElement(baseEl)
        .easing('ease-out')
        .duration(500)
        .addAnimation([backdropAnimation, wrapperAnimation]);
    }

    const leaveAnimation = (baseEl: any) => {
      return enterAnimation(baseEl).direction('reverse');
    }

    const modal = await this.modalController.create({
      enterAnimation,
      leaveAnimation,
      component: ChatOptionsFeaturesPage,
      cssClass: 'model profile-modal search-submodal',
      componentProps: {
        roomId: this.roomId,
        members: this.members,
      }
    });
    await modal.present();
    modal.onDidDismiss().then(async (res) => {
      console.log(res['data']);


      if (res['data'] == 'meeting') {
        //this.closeAllDesktopComponents.emit();
        let data = {
          roomId: this.roomId,
          members: this.members
        }
        this.openNewEventPage.emit(data);
      }
      else if (res['data'] == 'take-picture') {

        this.takePictureMobile()

      }
      else if (res['data'] == 'add-picture') {

        this.addImage()

      }
      else if (res['data'] == 'add-document') {

        this.addFile()

      }
      else if (res['data'] == 'documentoGestaoDocumental') {

        this.addFileWebtrix()

        this.showLoader = false;
      }

    });
  }




  downloadFileMsg(msg: MessageService) {
    console.log('FILE TYPE', msg.file.type)
    this.downloadFile = "";
    //if (msg.file.type == "application/img") {
    this.AttachmentsService.downloadFile(msg.file.guid).subscribe(async (event) => {
      console.log('FILE TYPE 22', msg.file.guid)
      var name = msg.file.guid;

      if (event.type === HttpEventType.DownloadProgress) {
        //this.downloadProgess = Math.round((100 * event.loaded) / event.total);
        console.log('FILE TYPE 33', msg.file.type)
      } else if (event.type === HttpEventType.Response) {
        if (msg.file.type == "application/img") {
          this.downloadFile = 'data:image/jpeg;base64,' + btoa(new Uint8Array(event.body).reduce((data, byte) => data + String.fromCharCode(byte), ''));
        } else if (msg.file.type === 'application/pdf') {

          this.downloadFile = event.body;
        }

        msg.attachments[0] = {
          image_url: this.downloadFile,
          name: msg.attachments[0].name,
          title: msg.attachments[0].title,
          title_link_download: msg.attachments[0].title_link_download,
          ts: msg.attachments[0].ts
        }

        await this.storage.set(msg.file.guid, this.downloadFile).then(() => {
          console.log('IMAGE SAVED')
        });
      }

    });

    // }

  }

  _arrayBufferToBase64( buffer ) {
    var binary = '';
    var bytes = new Uint8Array( buffer );
    var len = bytes.byteLength;
    for (var i = 0; i < len; i++) {
        binary += String.fromCharCode( bytes[ i ] );
    }
    return window.btoa( binary );
}

  pdfPreview() {
    const options: DocumentViewerOptions = {
      title: 'My App'
    };
    DocumentViewer.viewDocument
  }

  async openPreview(msg) {
    console.log(msg);

    if (!msg.attachments[0].image_url || msg.attachments[0].image_url === null || msg.attachments[0].image_url === '') {
      this.downloadFileMsg(msg)

    } else {

      /* if(msg.file.type === "application/pdf") {
        this.viewDocument(msg, msg.attachments.image_url)
      } else { */
      const modal = await this.modalController.create({
        component: ViewMediaPage,
        cssClass: 'modal modal-desktop',
        componentProps: {
          image: msg.attachments[0].image_url,
          type: msg.file.type,
          username: msg.u.name,
          _updatedAt: msg._updatedAt
        }
      });
      modal.present();
      //}

    }

  }


  testEditMessage(msg: MessageService) {
    msg.receptorReceive()
    // alert('cool!')
  }
}