﻿// 
// Copyright (c) Microsoft and contributors.  All rights reserved.
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
// 

// Module dependencies.
var azureutil = require('azure-common').util;

/**
* Creates a new ListContainersResultContinuation object.
*/
function ListContainersResultContinuation(blobService, options, nextMarker) {
  if (blobService) {
    this.blobService = blobService;
  }

  if (options) {
    this.options = options;
  }

  if (nextMarker &&
      !azureutil.objectIsEmpty(nextMarker)) {
    this.nextMarker = nextMarker;
  }
}

ListContainersResultContinuation.prototype.getNextPage = function (callback) {
  if (this.nextMarker) {
    var options = this.options ? this.options : {};
    options.marker = this.nextMarker;
    this.blobService.listContainers(options, callback);
  } else {
    callback(new Error('No next page'));
  }
};

ListContainersResultContinuation.prototype.hasNextPage = function () {
  return (this.nextMarker !== undefined && this.nextMarker !== null);
};

module.exports = ListContainersResultContinuation;