from __future__ import absolute_import, unicode_literals
from celery import shared_task
from . import models
from datetime import datetime
from . import utils


@shared_task
def process_location_data():
    data = models.LocationData.objects.filter(processed=False)
    for ld in data:
        cli = models.Client.objects.get(uuid=ld.location_id)
        ac = models.Accounting.objects.filter(client=cli).order_by('time_from').reverse()[0]
        if ld.on_off:
            if ac.time_to is None:
                ac.time_to = datetime.now()
                ac.save()
            ac = models.Accounting(
                client=cli,
                desk_no=ld.table_no,
                time_from=ld.tst,
            )
            ac.save()
            ld.processed=True
            ld.save()
        else:
            ac.time_to = ld.tst
            ac.prize = utils.get_prize_for(start=ac.time_from, end=ac.time_to, pph=cli.desk1_prize_ht)
            ac.save()
            ld.processed=True
            ld.save()