import logging
import json

from apscheduler.scheduler import Scheduler

from data.queue import WorkQueue
from endpoints.registry import process_image_changes


logger = logging.getLogger(__name__)

image_diff_queue = WorkQueue('imagediff')


def process_work_items():
  logger.debug('Getting work item from queue.')

  item = imagediff.get()

  if item:
    logger.debug('Queue gave us some work: %s' % item.body)

    request = json.loads(item.body)
    process_image_changes(request['namepspace'], request['repository'],
                          request['image_id'])
  else:
    logger.debug('No work today.')


FORMAT = '%(asctime)-15s - %(levelname)s - %(pathname)s - %(funcName)s - %(message)s'
logging.basicConfig(format=FORMAT, level=logging.DEBUG)

sched = Scheduler()
sched.start()

sched.add_interval_job(process_work_items, seconds=10)