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

import { AfterViewChecked, AfterViewInit, ChangeDetectorRef, Component, ElementRef, OnDestroy, OnInit, ViewChild } from '@angular/core';
import { ActivatedRoute, Router } from '@angular/router'
import { GestureController, Gesture, ModalController, NavParams, PopoverController, Platform, AlertController } from '@ionic/angular';
import { map } from 'rxjs/operators';
import { ViewDocumentPage } from 'src/app/modals/view-document/view-document.page';
import { EventPerson } from 'src/app/models/eventperson.model';
import { ExpedientTaskModalPageNavParamsTask } from 'src/app/models/ExpedientTaskModalPage';
import { ContactsPage } from 'src/app/pages/chat/messages/contacts/contacts.page';
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 { FileService } from 'src/app/services/functions/file.service';
import { ProcessesService } from 'src/app/services/processes.service';
import { ToastService } from 'src/app/services/toast.service';
import { NewEventPage } from 'src/app/shared/agenda/new-event/new-event.page';
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 { ChatMessageStore } from 'src/app/store/chat/chat-message.service';
import { ChatUserStorage } from 'src/app/store/chat/chat-user.service';
import { environment } from 'src/environments/environment';
import { ThemeService } from 'src/app/services/theme.service'

import { Directory, Encoding, Filesystem, FilesystemDirectory, } from '@capacitor/filesystem';
import { VoiceRecorder, VoiceRecorderPlugin, RecordingData, GenericResponse, CurrentRecordingStatus } from 'capacitor-voice-recorder';
import { Haptics, ImpactStyle } from '@capacitor/haptics';
import { PreviewCameraPage } from 'src/app/modals/preview-camera/preview-camera.page';
import { SqliteService } from 'src/app/services/sqlite.service';
import { elementAt } from 'rxjs-compat/operator/elementAt';
import { ViewMediaPage } from 'src/app/modals/view-media/view-media.page';
import { HttpEventType } from '@angular/common/http';
import { ViewEventPage } from 'src/app/modals/view-event/view-event.page';
import { WsChatMethodsService } from 'src/app/services/chat/ws-chat-methods.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 { element } from 'protractor';
import { FileType } from 'src/app/models/fileType';
import { SearchPage } from 'src/app/pages/search/search.page';
import { Storage } from '@ionic/storage';
import { FileToBase64Service } from 'src/app/services/file/file-to-base64.service';
import { Camera, CameraResultType, CameraSource } from '@capacitor/camera';
import { Plugins, Capacitor } from '@capacitor/core';
import { DomSanitizer } from '@angular/platform-browser';
import { StringDecoder } from 'string_decoder';
import { File } from '@awesome-cordova-plugins/file/ngx';
import { FileOpener } from '@awesome-cordova-plugins/file-opener/ngx';
import { DocumentViewer } from '@awesome-cordova-plugins/document-viewer/ngx';
import { SessionStore } from 'src/app/store/session.service';


const IMAGE_DIR = 'stored-images';

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

  @ViewChild('scrollMe') private myScrollContainer: ElementRef;
  /*   @ViewChild('messageContainer') messageContainer: ElementRef; */
  @ViewChild('rectangle') private rectangle: ElementRef;

  canvas: any
  ctx: any
  loggedUser: any;
  userPresence = '';
  dmUsers: any;
  roomId: string;
  el: any;
  members: any;
  scrollingOnce: boolean = true;

  chatMessageStore = ChatMessageStore;
  chatUserStorage = ChatUserStorage;

  private scrollChangeCallback: () => void;
  currentPosition: any;
  startPosition: number;
  scrollToBottomBtn = false;
  attendees: EventPerson[] = [];
  longPressActive = false;
  showMessageOptions = false;
  selectedMsgId: string;

  dicIndex = 0;
  task: ExpedientTaskModalPageNavParamsTask;
  LoadedDocument: any = null;

  recording = false;
  allowTyping = true;
  storedFileNames = [];
  lastAudioRecorded = '';
  audioRecorded: any = "";
  audioDownloaded: any = "";
  durationDisplay = '';
  duration = 0;
  @ViewChild('recordbtn', { read: ElementRef }) recordBtn: ElementRef;
  myAudio: any;
  downloadfile: any;
  downloadFile: any;
  files: any[] = [];
  @ViewChild('filechooser') fileChooserElementRef: ElementRef;
  //items: File[] = [];
  fileSelected?: Blob;
  pdfUrl?: string;
  base64File: string;
  downloadProgess: number;
  downloadLoader: boolean;

  audioPermissionStatus: 'granted'| 'denied' | 'prompt' | null = null
  sessionStore = SessionStore

  constructor(
    public popoverController: PopoverController,
    private modalController: ModalController,
    private navParams: NavParams,
    private chatService: ChatService,
    private authService: AuthService,
    private alertService: AlertService,
    private toastService: ToastService,
    private route: Router,
    private activatedRoute: ActivatedRoute,
    private fileService: FileService,
    private gestureController: GestureController,
    private processes: ProcessesService,
    public ThemeService: ThemeService,
    private changeDetectorRef: ChangeDetectorRef,
    private platform: Platform,
    private sqlservice: SqliteService,
    public wsChatMethodsService: WsChatMethodsService,
    private AttachmentsService: AttachmentsService,

    private CameraService: CameraService,
    private processesService: ProcessesService,
    private storage: Storage,
    private fileToBase64Service: FileToBase64Service,
    private sant: DomSanitizer,
    //private fileOpener: FileOpener,
    private sanitiser: DomSanitizer,
    private alertController: AlertController,
    // private document: DocumentViewer
  ) {
    this.loggedUser = authService.ValidatedUserChat['data'];
    this.roomId = this.navParams.get('roomId');
    console.log('ROOM ID', this.roomId)

    window.onresize = (event) => {
      if (window.innerWidth > 701) {
        this.modalController.dismiss();
      }
    }

    console.log(this.wsChatMethodsService.getDmRoom(this.roomId).loadHistory({}));

    this.wsChatMethodsService.getDmRoom(this.roomId).loadHistory({})
    this.wsChatMethodsService.getDmRoom(this.roomId).scrollDown = this.scrollToBottomClicked
    this.wsChatMethodsService.openRoom(this.roomId)

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


  }

  ngOnInit() {
    this.wsChatMethodsService.getUserOfRoom(this.roomId).then((value) => {
      console.log('MEMBER', value)
    })
    //this.loadFiles();
    VoiceRecorder.requestAudioRecordingPermission();
    this.getChatMembers();
    /* Filesystem.mkdir({
      path: IMAGE_DIR,
      directory: Directory.Data,
      recursive: true
    }); */
  }

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

    const longpress = this.gestureController.create({
      el: this.recordBtn.nativeElement,
      threshold: 0,
      gestureName: 'long-press',
      onStart: ev => {
        Haptics.impact({ style: ImpactStyle.Light })
        this.startRecording();
        //this.calculateDuration();
      },
      onEnd: ev => {
        Haptics.impact({ style: ImpactStyle.Light })
        this.stopRecording();
        /* setTimeout(() => {
          this.loadFiles();
        }, 500); */
      }
    }, true);
    longpress.enable();
  }

  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 loadFiles() {

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

    try {
      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 if(recordData?.value?.mimeType && recordData?.value?.recordDataBase64) {
          this.audioRecorded = this.sanitiser.bypassSecurityTrustResourceUrl(`data:${recordData.value.mimeType};base64,${recordData?.value?.recordDataBase64}`);
        }
      });
    } catch (error) { }


  }

  async startRecording() {
    if(await VoiceRecorder.canDeviceVoiceRecord().then((result: GenericResponse) =>{return result.value})){
      if(await VoiceRecorder.requestAudioRecordingPermission().then((result: GenericResponse) => {return result.value})){
        //if(await this.hasAudioRecordingPermission()){
          if (this.recording) {
            return;
          }
          this.recording = true;
          VoiceRecorder.startRecording();
          this.calculateDuration();
        //}
      }
      else{
        this.toastService._badRequest('Para gravar uma mensagem de voz, permita o acesso do Gabinete Digital ao seu microfone.');
      }
    }
    else{
      this.toastService._badRequest('Este dispositivo não tem capacidade para gravação de áudio!');
    }
  }

  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();
  }



  handlePress(id?: string) {
    this.selectedMsgId = id;
    this.showMessageOptions = true;
  }

  handleClick() {
    this.showMessageOptions = false;
    this.selectedMsgId = "";
  }

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


  notImplemented() {
    this.alertService.presentAlert('Funcionalidade em desenvolvimento');
  }

  close() {
    this.modalController.dismiss();
    this.deleteRecording();
  }

  load() {
    this.getChatMembers();
  }

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

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

  scrollToBottomClicked = () => {
    try {
      this.myScrollContainer.nativeElement.scrollTop = this.myScrollContainer.nativeElement.scrollHeight;
    } catch (err) { }
  }

  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);
    });
  }

  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;

  }

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

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

  base64toBlob(base64Data, contentType) {
    contentType = contentType || '';
    var sliceSize = 1024;
    var byteCharacters = atob(base64Data);
    var bytesLength = byteCharacters.length;
    var slicesCount = Math.ceil(bytesLength / sliceSize);
    var byteArrays = new Array(slicesCount);

    for (var sliceIndex = 0; sliceIndex < slicesCount; ++sliceIndex) {
      var begin = sliceIndex * sliceSize;
      var end = Math.min(begin + sliceSize, bytesLength);

      var bytes = new Array(end - begin);
      for (var offset = begin, i = 0; offset < end; ++i, ++offset) {
        bytes[i] = byteCharacters[offset].charCodeAt(0);
      }
      byteArrays[sliceIndex] = new Uint8Array(bytes);
    }
    return new Blob(byteArrays, { type: contentType });
  }

  async sendAudio(fileName) {
    const roomId = this.roomId
    let audioFile;
    this.storage.get('recordData').then((recordData) => {

      audioFile = recordData;
      if (recordData?.value?.recordDataBase64.includes('data:audio')) {
        this.audioRecorded = recordData?.value?.recordDataBase64;
      }
      else if(recordData?.value?.mimeType && recordData?.value?.recordDataBase64) {
        this.audioRecorded = `data:${recordData.value.mimeType};base64,${recordData?.value?.recordDataBase64}`;
      }

      console.log(this.audioRecorded);

      //Converting base64 to blob
      const encodedData = btoa(this.audioRecorded);
      const blob = this.base64toBlob(encodedData, recordData.value.mimeType)
      console.log(blob)
      const formData = new FormData();
      formData.append("blobFile", blob);

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

    });
    this.deleteRecording();
  }

  viewDocument(file: any, url?: string) {
    console.log()
    if (file.type == "application/webtrix") {
      this.openViewDocumentModal(file);
    }
    else {
      let fullUrl = "https://www.tabularium.pt" + url;
      this.fileService.viewDocumentByUrl(fullUrl);
    }
  }

  /* playSound(url?:any){
    alert('here')
    console.log(url);
    //this.audioDownloaded = this.sanitiser.bypassSecurityTrustResourceUrl(url);
    this.audioDownloaded = url;
  } */

  docIndex(index: number) {
    this.dicIndex = index
  }

  async openViewDocumentModal(file: any) {

    let task = {
      serialNumber: '',
      taskStartDate: '',
      isEvent: true,
      workflowInstanceDataFields: {
        FolderID: '',
        Subject: file.Assunto,
        SourceSecFsID: file.ApplicationId,
        SourceType: 'PDF',
        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() {
    this.showLoader = true;
    this.chatService.getMembers(this.roomId).subscribe(res => {
      this.members = res['members'];
      this.dmUsers = res['members'].filter(data => data.username != this.sessionStore.user.RochetChatUser)
      this.showLoader = false;
    });
  }

  showDateDuration(start: any) {
    let end;
    end = new Date();
    start = new Date(start);
    let customizedDate;

    const totalSeconds = Math.floor((end - (start)) / 1000);;
    const totalMinutes = Math.floor(totalSeconds / 60);
    const totalHours = Math.floor(totalMinutes / 60);
    const totalDays = Math.floor(totalHours / 24);

    const hours = totalHours - (totalDays * 24);
    const minutes = totalMinutes - (totalDays * 24 * 60) - (hours * 60);
    const seconds = totalSeconds - (totalDays * 24 * 60 * 60) - (hours * 60 * 60) - (minutes * 60);

    if (totalDays == 0) {
      if (start.getDate() == new Date().getDate()) {
        let time = start.getHours() + ":" + this.addZero(start.getUTCMinutes());
        return time;
      }
      else {
        return 'Ontem';
      }
    }
    else {
      let date = start.getDate() + "/" + (start.getMonth() + 1) + "/" + start.getFullYear();
      return date;
    }
  }

  addZero(i) {
    if (i < 10) {
      i = "0" + i;
    }
    return i;
  }

  async openMessagesOptions(ev?: any) {
    const popover = await this.popoverController.create({
      component: MessagesOptionsPage,
      componentProps: {
        roomId: this.roomId,
      },
      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();
  }

  async bookMeeting() {
    this.attendees = this.members.map((val) => {
      return {
        Name: val.name,
        EmailAddress: val.username + "@" + environment.domain,
        IsRequired: "true",
      }
    });
    console.log(this.attendees);
    this.popoverController.dismiss();
    if (window.innerWidth <= 1024) {
      const modal = await this.modalController.create({
        component: NewEventPage,
        componentProps: {
          attendees: this.attendees,
        },
        cssClass: 'modal  modal-desktop',
        backdropDismiss: false
      });
      await modal.present();
      modal.onDidDismiss().then((data) => {
        if (data) {

        }
      });
    }
  }


  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);
    const blob = await base64.blob();
    const formData = new FormData();
    formData.append("blobFile", blob);
    console.log('ALL IMAGE', formData)

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

  }

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

  async addImage() {
    this.addFileToChat(['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,
          },
          temporaryData: res,
          attachments: [{
            "title": res.data.selected.Assunto,
            "description": res.data.selected.DocTypeDesc,
            // "title_link": url_no_options,
            "title_link_download": true,
            "thumb_url": "https://static.ichimura.ed.jp/uploads/2017/10/pdf-icon.png",
            // "message_link": url_no_options,
            "text": res.data.selected.DocTypeDesc,
            "type": "webtrix"
          }],
        })

      }
    });
  }

  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,
        "text": "description",
        "title_link_download": false,
      }]
    })

  }

  getFileReader(): FileReader {
    const fileReader = new FileReader();
    const zoneOriginalInstance = (fileReader as any)["__zone_symbol__originalInstance"];
    return zoneOriginalInstance || fileReader;
  }

  async addFileToChat(types: typeof FileType[]) {

    const roomId = this.roomId

    const file: any = await this.fileService.getFileFromDevice(types);

    console.log('Add file', JSON.stringify(await this.getBase64(file)))

    if (file.type != "application/img" && file.type != "image/png" && file.type != "image/jpeg" && file.type != "image/gif") {

      const encodedData = btoa(JSON.stringify(await this.getBase64(file)));
      const blob = this.base64toBlob(encodedData, file.type)
      console.log('Add Blob file', blob)

      const formData = new FormData();
      formData.append('blobFile', blob);
      console.log(formData)

      this.wsChatMethodsService.getDmRoom(roomId).send({
        file: {
          "type": file.type,
          "guid": '',
        },
        attachments: [{
          "title": file.name,
          "name": file.name,
          // "text": "description",
          "title_link_download": false,
        }],
        temporaryData: formData
      });
    } else {
      console.log('File type invalid')
    }



  }

  getBase64(file) {
    var reader = this.getFileReader();
    reader.readAsDataURL(file);
    return new Promise(resolve => {
      reader.onload = function () {
        resolve(reader.result)
      };
      reader.onerror = function (error) {
        console.log('Error: ', error);
      };
    });

  }

  async openChatOptions(ev?: any) {
    const roomId = this.roomId
    console.log('MOBILE CHAT OPTION', this.members);

    const popover = await this.popoverController.create({
      component: ChatOptionsPopoverPage,
      cssClass: 'chat-options-popover',
      event: ev,
      componentProps: {
        room: this.roomId,
        members: this.members,
        eventSelectedDate: new Date(),
      },
      translucent: true
    });
    await popover.present();
    popover.onDidDismiss().then(async (res) => {
      console.log(res['data']);
      if (res['data'] == 'meeting') {
        this.bookMeeting();
      }
      else if (res['data'] == 'take-picture') {
        this.takePicture()
      }
      else if (res['data'] == 'add-picture') {
        this.addImageMobile()
      }
      else if (res['data'] == 'add-document') {
        this.addFile()
      }
      else if (res['data'] == 'documentoGestaoDocumental') {

        this.addFileWebtrix()
      }


    });
  }


  getRoomMessageDB(roomId) {
    if (this.platform.is('desktop') || this.platform.is('mobileweb')) {
    } else {
      this.sqlservice.getAllChatMSG(roomId).then((msg: any) => {
        console.log('ALL MSG DBBB', msg)
        let chatmsgArray = [];
        let array = []
        msg.forEach(element => {
          console.log('CHANNEL ELEMENT', element.channels)

          let msgChat = {
            _id: element.Id,
            attachments: this.isJson(element.Attachments),
            channels: this.isJson(element.Channels),
            file: this.isJson(element.File),
            mentions: this.isJson(element.Mentions),
            msg: element.Msg,
            rid: element.Rid,
            ts: element.Ts,
            u: this.isJson(element.U),
            _updatedAt: element.UpdatedAt,
            image_url: this.isJson(element.image_url)
          }

          chatmsgArray.push(msgChat)
        });


        console.log('CHAT MSG FROM DB', chatmsgArray)
      })
    }
  }

  isJson(str) {
    try {
      JSON.parse(str);
    } catch (e) {
      return "";
    }
    return JSON.parse(str);
  }



  transformDataMSG(res) {
    if (this.platform.is('desktop') || this.platform.is('mobileweb')) {
    } else {
      res.forEach(element => {

        let chatmsg = {
          _id: element._id,
          attachments: element.attachments,
          channels: element.channels,
          file: element.file,
          mentions: element.mentions,
          msg: element.msg,
          rid: element.rid,
          ts: element.ts,
          u: element.u,
          _updatedAt: element._updatedAt,
          /* image_url: {
            name: name,
            path: `${IMAGE_DIR}/${name}`,
            data: `data:image/jpeg;base64,${readFile.data}`,
          }, */
        }

        this.sqlservice.addChatMSG(chatmsg)

      });
    }

  }

  /*  testeDownload(msg: MessageService) {
     this.downloadFile = "";
     this.AttachmentsService.downloadFileAndStore(msg.file.guid);
   } */


  downloadFileMsg(msg: MessageService) {
    msg.downloadFileMsg();
  }

  b64toBlob(b64Data, contentType) {
    contentType = contentType || '';
    var sliceSize = 512;
    b64Data = b64Data.replace(/^[^,]+,/, '');
    b64Data = b64Data.replace(/\s/g, '');
    var byteCharacters = window.atob(b64Data);
    var byteArrays = [];

    for (var offset = 0; offset < byteCharacters.length; offset += sliceSize) {
      var slice = byteCharacters.slice(offset, offset + sliceSize);

      var byteNumbers = new Array(slice.length);
      for (var i = 0; i < slice.length; i++) {
        byteNumbers[i] = slice.charCodeAt(i);
      }

      var byteArray = new Uint8Array(byteNumbers);

      byteArrays.push(byteArray);
    }

    var blob = new Blob(byteArrays, { type: contentType });
    return blob;
  }

  openFile(pdfString, filename, type) {
    // const blob = this.b64toBlob(pdfString, type)
    // let pathFile = ''
    // const fileName = filename
    // const contentFile = blob
    // if (this.platform.is('ios')) {
    //   pathFile = this.file.documentsDirectory
    // } else {
    //   pathFile = this.file.externalRootDirectory
    // }
    // console.log(pdfString)
    // console.log(pathFile)
    // console.log(contentFile)
    // this.file
    //   .writeFile(pathFile, fileName, contentFile, { replace: true })
    //   .then(success => {
    //     this.fileOpener
    //       .open(pathFile + fileName, type)
    //       .then(() => console.log('File is opened'))
    //       .catch(e => console.log('Error opening file', e));
    //   })
    //   .catch(e => console.log('Error writing file', e))
  }

  downloadFileFromBrowser(fileName: string, data: any): void {
    const linkSource = data;
    const downloadLink = document.createElement("a");
    downloadLink.href = linkSource;
    downloadLink.download = fileName;
    downloadLink.click();
  }


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

    if(msg.file.type === "application/webtrix") {
      this.viewDocument(msg.file, msg.attachments.image_url)
    } else {

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

      } else {
        var str = msg.attachments[0].image_url;
        str = str.substring(1, ((str.length) - 1));

        if (this.platform.is('desktop') || this.platform.is('mobileweb')) {

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

        } else {
          this.openFile(str, msg.attachments[0].name, msg.file.type);
        }

      }
    }

  }

  async audioPreview(msg) {
    console.log(msg);
    if (!msg.attachments[0].title_link || msg.attachments[0].title_link === null || msg.attachments[0].title_link === '') {
      this.downloadFileMsg(msg)
    } else { }
  }


  imageSize(img) {
    var canvas = document.createElement('canvas');
    var ctx = canvas.getContext('2d');
    canvas.width = 300
    canvas.height = 234
    ctx.drawImage(img.attachments[0].image_url, 0, 0, 300, 234);
    document.body.appendChild(canvas);
  }

  getPicture(img) {
    var canvas = document.createElement('canvas');
    var ctx = canvas.getContext('2d');
    canvas.width = 300
    canvas.height = 234
    ctx.drawImage(img.attachments[0].image_url, 0, 0, 300, 234);
    document.body.appendChild(canvas);

  }


  // async ShareEmail(msg){
  //   // Check if sharing via email is supported
  //   await Share.share({
  //     title:  msg.u.username,
  //     text:  msg._updatedAt,
  //     url: msg.attachments[0].image_url,
  //     dialogTitle: 'Share with buddies',
  //   });
  // }


  hkellor() {
    // alert('cool!')
  }

}