# This file is part of dnmapper, an AS--level mapping tool
# Licensed under GNU General Public License v3 or later
# Written by Sebastian Lohff (seba@someserver.de)
from django.shortcuts import render
from django.core.paginator import Paginator

from bgpdata.models import CrawlRun, AS, Peering, ASLastSeen
from backend import crawler


def overview(request):
    crawls = CrawlRun.objects.order_by("-startTime")
    crawlsPage = Paginator(crawls, 200)
    return render(request, 'bgpdata/overview.html', {"crawls": crawlsPage.page(1)})


def showMap(request, crawlId):
    crawl = None
    try:
        crawl = CrawlRun.objects.get(id=crawlId)
    except CrawlRun.DoesNotExist:
        return render(request, "bgpdata/no-map-found.html", {"crawl_id": crawlId})

    ASses = AS.objects.filter(crawl=crawl)
    peerings = Peering.objects.filter(as1__crawl=crawl)

    return render(request, 'bgpdata/map.html', {"crawl": crawl, 'ASses': ASses, 'peerings': peerings})


def show_new_map(request, crawl_id):
    crawl = None
    if crawl_id == 'live':
        net = crawler.get_current_network()
        crawl = crawler.make_crawl_from_net(net)
    else:
        try:
            crawl = CrawlRun.objects.get(id=crawl_id)
        except CrawlRun.DoesNotExist:
            return render(request, "bgpdata/no-map-found.html", {"crawl_id": crawl_id})

    return render(request, 'bgpdata/new_new_map.html', {"crawl": crawl})


def show_asn_last_seen(request):
    return render(request, 'bgpdata/asn_last_seen.html', {'last_seen': ASLastSeen.objects.order_by("asn")})