#!/usr/bin/env python
import argparse
import os
import sys
sys.path.append("..")
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "dnmapper.settings")
import django
django.setup()

from backend.crawler import convert_crawl, net_to_json
from bgpdata.models import CrawlRun


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("-c", "--crawl-id", type=int)
    args = parser.parse_args()

    try:
        crawl = CrawlRun.objects.get(pk=args.crawl_id)
    except CrawlRun.DoesNotExist:
        parser.error("CrawlRun with id {} does not exist".format(args.crawl_id))

    net = convert_crawl(crawl)
    if net.nodes and net.edges:
        crawl.graph = net_to_json(net)
        crawl.save()
        print("Crawl updated")
    else:
        print("Crawl had no nodes or edges, abort")


if __name__ == '__main__':
    main()