import boto3
import csv
from datetime import datetime

client = boto3.client('secretsmanager')


def get_secrets():
    secrets = []
    response = client.list_secrets()
    secrets.extend(response['SecretList'])
    while 'NextToken' in response:
        response = client.list_secrets(NextToken=response['NextToken'])
        secrets.extend(response['SecretList'])
    return secrets


def get_secrets_info(secrets):
    secrets_info = []
    for each_secret in secrets:
        app_family_tag = 'None'
        if 'Tags' in each_secret:
            tags = each_secret['Tags']
            j = 0
            while j < len(tags):
                if 'application_family' in tags[j].values():
                    app_family_tag = tags[j]
                j += 1
        secrets_info.append({'Name': each_secret['Name'],
                             'Tag': app_family_tag})
    return secrets_info


def create_secrets_list(secrets_info):
    now = datetime.now()
    dt_string = now.strftime('%d-%m-%Y-%H:%M:%S')
    secrets_columns = ['Name', 'Tag']
    with open('secrets_{date_time}.csv'.format(date_time=dt_string), 'w') as csvfile:
        writer = csv.DictWriter(csvfile, fieldnames=secrets_columns)
        writer.writeheader()
        writer.writerows(secrets_info)


def main():
    """Start script."""
    secrets = get_secrets()
    secrets_info = get_secrets_info(secrets)
    create_secrets_list(secrets_info)


if __name__ == '__main__':
    main()