import boto3
import botocore
import pprint

pp = pprint.PrettyPrinter(indent=5, width=80)

# from http://docs.aws.amazon.com/general/latest/gr/rande.html
# http://docs.aws.amazon.com/general/latest/gr/rande.html#opsworks_region
regions = ['us-east-1', 'us-east-2', 'us-west-1', 'us-west-2', ]


def describe_stacks(AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY):
    print('#### Listing Stacks ####')
    try:
        for region in regions:
            client = boto3.client(
                'opsworks',
                aws_access_key_id=AWS_ACCESS_KEY_ID,
                aws_secret_access_key=AWS_SECRET_ACCESS_KEY,
                region_name=region
            )
            response = client.describe_stacks()
            # debug
            # print(response)
            if response.get('Stacks') is None:
                print("{} likely does not have Lambda permissions\n" .format(AWS_ACCESS_KEY_ID))
            elif len(response['Stacks']) <= 0:
                print("[-] DescribeStacks allowed for {} but no results (everyone seems to have this permission) [-]\n" .format(region))
            else:  # THIS PART IS UNTESTED
                for r in response['Stacks']:
                    pp.pprint(r)
    except botocore.exceptions.EndpointConnectionError as e:
        print("Unexpected error: {}" .format(e))

    except botocore.exceptions.ClientError as e:
        if e.response['Error']['Code'] == 'InvalidClientTokenId':
            sys.exit("{} : The AWS KEY IS INVALID. Exiting" .format(AWS_ACCESS_KEY_ID))
        elif e.response['Error']['Code'] == 'EndpointConnectionError':
            print("[-] Cant connect to the {} endpoint [-]" .format(region))
        else:
            print("Unexpected error: {}" .format(e))
    except KeyboardInterrupt:
        print("CTRL-C received, exiting...")