import logging
import json

from django.core.exceptions import ObjectDoesNotExist
from django.http import HttpResponse
from django.views.decorators.csrf import csrf_exempt

from config.models import Stream


logger = logging.getLogger(__name__)

from config.tasks import async_scrape_srs_servers


@csrf_exempt
def callback_srs(request):
    if request.method != 'POST':
        return HttpResponse('1', status=405)

    try:
        json_data = json.loads(request.body)
    except json.decoder.JSONDecodeError:
        return HttpResponse('1', status=400)

    try:
        app_name = json_data['app']
        # QUIRK this is a weird bug when pushing from OME to SRS. wtf.
        # for some reason srs interprets the incoming app as app/stream, and passes this on to portier.
        # only keep the stuff infront of a (potential) slash, and throw away the rest. problem solved^tm
        app_name = app_name.split('/')[0]
        # ENDQUIRK
        stream_name = json_data['stream']
        param = json_data['param']
    except KeyError:
        return HttpResponse('1', status=401)
    try:
        Stream.objects.get(stream=stream_name)

    except ObjectDoesNotExist:
        return HttpResponse('1', status=401)

    # Scraping the server will make sure we are using the actual data from the server
    # and updating the count of the stream instances.
    async_scrape_srs_servers.delay()

    return HttpResponse('0')