"""Jitter method for lambdas."""
from random import random
from time import sleep

from bulk_metadata_ingester_common.constants import jitter as jitter_const
import config


def jitter(logger):
    """Jitter lambda calls so the systems don't get hammered."""
    if config.ENVIRONMENT.upper() == 'PROD':
        jitter_amt = (random() + random()) / jitter_const.PROD_FACTOR
    else:
        jitter_amt = (random() + random()) / jitter_const.QA_FACTOR

    logger.info(f'Jittering: {jitter_amt}')

    sleep(jitter_amt)