const platform = require("platform");
const fs = require("file-system");

function getBase64String(file) {
    const data = file.readSync();
    if (platform.isIOS) {
        return data.base64EncodedStringWithOptions(0);
    }
    if (platform.isAndroid) {
        return android.util.Base64.encodeToString(data, android.util.Base64.NO_WRAP);
    }
}
    openImagePicker () {
      console.log("OPENING IMAGE PICKER :)");
      var ref = this
      var context = imagepicker.create({ mode: "single" });
      context
        .authorize()
        .then(function() {
            debugger
            return context.present();
        })
        .then(function(selection) {
            debugger
            selection.forEach(function(selected) {
                // process the selected image
                debugger
                if (selected) {
                    ref.getImageFilePath(selected).then(path => {
                        console.log(`path: ${path}`);
**********************************
                        ref.uploadImage(path);
**********************************
                        debugger
                        //this.uploadImage(path);
                    });
                }
            });
        }).catch(function (e) {
          debugger
            // process error
        });
    },
    uploadImage(path) {
        let file = fs.File.fromPath(path);
        debugger
        console.log("************************************");
        const base64String = getBase64String(file);
        debugger
        this.files.push(base64String)
        debugger
        this.sendMessage()
        console.log("************************************");
        //const fileAsBlob = new Blob([file]);
        debugger
    },
    getImageFilePath(imageAsset) {
        return new Promise(resolve => {
            if (platform.isIOS) {
                const options = PHImageRequestOptions.new();
                options.synchronous = true;
                options.version =
                    PHImageRequestOptionsVersion.Current;
                options.deliveryMode =
                    PHImageRequestOptionsDeliveryMode.HighQualityFormat;

                PHImageManager.defaultManager().requestImageDataForAssetOptionsResultHandler(
                    imageAsset.ios,
                    options,
                    nsData => {
                        // create file from image asset and return its path
                        const tempFolderPath = fs.knownFolders
                            .temp()
                            .getFolder("nsimagepicker").path;
                        const tempFilePath = fs.path.join(
                            tempFolderPath,
                            Date.now() + ".jpg"
                        );

                        nsData.writeToFileAtomically(
                            tempFilePath, true);
                        resolve(tempFilePath);
                    }
                );
            } else {
                // return imageAsset.android, since it 's the path of the file
                resolve(imageAsset.android);
            }
        });
    },
}
</script>