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#Permission is hereby granted, free of charge, to any person obtaining a copy of
#this software and associated documentation files (the "Software"), to deal in
#the Software without restriction, including without limitation the rights to
#use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
#the Software, and to permit persons to whom the Software is furnished to do so.

#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
#FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
#COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
#IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
#CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


"""
SQS Check handler
"""

import boto3

SQS = boto3.client("sqs")

def handler(event, _):
    """
    Lambda handler
    """

    queue_url = SQS.get_queue_url(QueueName=event["input"]["sqs_name"])

    response = SQS.get_queue_attributes(
        QueueUrl=queue_url["QueueUrl"],
        AttributeNames=[
            "ApproximateNumberOfMessages"
        ]
    )

    answer = int(response["Attributes"]["ApproximateNumberOfMessages"])

    if answer == 0:
        print("Answer:", answer, "== Zero")
        return "Zero"

    print("Answer:", answer, "== NotZero")
    return "NotZero"