import { Injectable } from '@angular/core';
import { ActionSheetController } from '@ionic/angular';

import { Camera, CameraResultType } from '@capacitor/camera';
import { TranslateService } from '@ngx-translate/core';
import { Capacitor } from '@capacitor/core';

@Injectable({
  providedIn: 'root'
})
export class PhotoService {
  constructor(public actionSheetCtrl: ActionSheetController, public translateService: TranslateService) { }

  async actionSheetImage(fileInput?) {
    return new Promise(async (resolve, reject) => {

      if (Capacitor.isNativePlatform()) {
        const permissions = await Camera.requestPermissions();
        if (permissions.photos === 'denied' || permissions.camera === 'denied') {
          return;
        }

        var options = {
          quality: 90,
          targetWidth: 600,
          targetHeight: 600,
          saveToPhotoAlbum: false,
          correctOrientation: true,
          cameraDirection: 1,
          resultType: CameraResultType.Base64,
          promptLabelHeader: this.translateService.instant('TITLE_ACTION_SHEET'),
          promptLabelPhoto: this.translateService.instant('TEXT2_ACTION_SHEET'),
          promptLabelPicture: this.translateService.instant('TEXT1_ACTION_SHEET')
        };

        var image = await Camera.getPhoto(options);
        resolve("data:image/" + image.format + ";base64," + image.base64String);
      } else {
        fileInput.click();

        fileInput.addEventListener("change", function (event) {
          const target = event.target as HTMLInputElement;
          if (target.files && target.files.length > 0) {
            const file = target.files[0];
            const reader = new FileReader();

            reader.onload = () => {
              let base64Image = reader.result as string;
              resolve(base64Image);
            };

            reader.readAsDataURL(file)
          }
        });
      }
    });
  }
}