/**
 * Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * This file is licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License. A copy of
 * the License is located at
 *
 * http://aws.amazon.com/apache2.0/
 *
 * This file 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.
 */

// snippet-sourcedescription:[sqs_changingvisibility.js demonstrates how to change the visibility timeout of a message in an Amazon SQS queue.]
// snippet-service:[sqs]
// snippet-keyword:[JavaScript]
// snippet-sourcesyntax:[javascript]
// snippet-keyword:[Code Sample]
// snippet-keyword:[Amazon Simple Queue Service]
// snippet-sourcetype:[full-example]
// snippet-sourcedate:[2019-10-10]
// snippet-sourceauthor:[Doug-AWS]

// ABOUT THIS NODE.JS SAMPLE: This sample is part of the SDK for JavaScript Developer Guide topic at
// https://docs.aws.amazon.com/sdk-for-javascript/v2/developer-guide/sqs-examples-managing-visibility-timeout.html

// snippet-start:[sqs.JavaScript.visibility.receiveMessage]
// Load the AWS SDK for Node.js
var AWS = require('aws-sdk')
// Set the region to us-west-2
AWS.config.update({ region: 'us-west-2' })

// Create the SQS service object
var sqs = new AWS.SQS({ apiVersion: '2012-11-05' })

var queueURL = 'https://sqs.REGION.amazonaws.com/ACCOUNT-ID/QUEUE-NAME'

var params = {
  AttributeNames: ['SentTimestamp'],
  MaxNumberOfMessages: 1,
  MessageAttributeNames: ['All'],
  QueueUrl: queueURL
}

sqs.receiveMessage(params, function (err, data) {
  if (err) {
    console.log('Receive Error', err)
  } else {
    // Make sure we have a message
    if (data.Messages != null) {
      var visibilityParams = {
        QueueUrl: queueURL,
        ReceiptHandle: data.Messages[0].ReceiptHandle,
        VisibilityTimeout: 20 // 20 second timeout
      }
      sqs.changeMessageVisibility(visibilityParams, function (err, data) {
        if (err) {
          console.log('Delete Error', err)
        } else {
          console.log('Timeout Changed', data)
        }
      })
    } else {
      console.log('No messages to change')
    }
  }
})
// snippet-end:[sqs.JavaScript.visibility.receiveMessage]