// fetch-blob-functions.js

var azure = require('azure-storage');
var config = require('./config');
var azure_key = config.azure.key1;
var storage_account = config.azure.storage_account;
var blobSvc = azure.createBlobService(storage_account, azure_key);

/**
 * Retrieves list of blobs in a collection
 * @return{Promise} Fulfilled with array of blob names
 */
 const listBlobs = async () => {
     return new Promise((resolve, reject) => {
         blobSvc.listBlobsSegmented([container name], null, (err, data) => {
             if (err) {
                 reject(err);
             } else {
                 console.log(data);
             }
         });
     });
 };

 /**
  * Retrieves a blob and saves it to a file
  * @return{Promise} Fulfilled with array of blob names
  */
const saveBlob = async () => {
    return new Promise((resolve, reject) => {
        blobSvc.getBlobToText([container name], [blob name], [file name] (err, data) => {
            if (err) {
                reject(err);
            } else {
                console.log(data);
            }
        });
    });
};

// config.js

module.exports = {
  remotePathToList: 'data',
  localStorageDir: 'data',
  connectionSettings: {
    host: 'ip_address',
    port: 22, // Normal is 22 port
    username: 'username',
    password: 'password'

  },
  azure: {
    storage_account: [account details will be provided],
    key1: [key will be provided]
  }
};