# -*- coding: utf-8 -*-

from io import StringIO
from .util import SphinxTestApplication, test_root
import unittest


IP4_ADDRESSES = ['127.0.0.1', '192.168.0.1']
IP6_ADDRESSES = ['::1', '2001:dead:beef::1']
IP4_RANGES = ['172.16.0.0/24', '192.168.0.0/24']
IP6_RANGES = ['2001:dead:beef::/64', '2001:dada:b001::/64']


class TestIPExtension(unittest.TestCase):
    def setUp(self):
        if not (test_root / '_static').exists():
            (test_root / '_static').mkdir()
        self.feed_warnfile = StringIO()
        self.app = SphinxTestApplication(
            buildername='html', warning=self.feed_warnfile, cleanenv=True)
        self.app.build(force_all=True, filenames=[])

    def tearDown(self):
        self.app.cleanup()
        (test_root / '_build').rmtree(True)

    def test_ip_domaindata(self):
        self.assertIn('ip', self.app.env.domaindata)
        ipdomdata = self.app.env.domaindata['ip']
        self.assertIn('v4', ipdomdata)
        self.assertIn('v6', ipdomdata)
        self.assertIn('v4range', ipdomdata)
        self.assertIn('v6range', ipdomdata)
        self.assertIn('ips', ipdomdata)

    def find_in_index(self, entry):
        indexentries = self.app.env.get_domain('index').entries
        for index in indexentries:
            for value in indexentries[index]:
                if value[1] == entry:
                    return
        self.fail("%s not found in index" % entry)

    def test_ip4_addresses(self):
        ipv4 = self.app.env.domaindata['ip']['v4']
        ips = self.app.env.domaindata['ip']['ips']
        for ip in IP4_ADDRESSES:
            self.assertIn(ip, ipv4)
            self.assertIn(ip, [item['ip'] for item in ips])
            self.find_in_index("IPv4 address; %s" % ip)
            self.find_in_index("%s; Test page 2" % ip)

    def test_ip6_addresses(self):
        ipv6 = self.app.env.domaindata['ip']['v6']
        ips = self.app.env.domaindata['ip']['ips']
        for ip in IP6_ADDRESSES:
            self.assertIn(ip, ipv6)
            self.assertIn(ip, [item['ip'] for item in ips])
            self.find_in_index("IPv6 address; %s" % ip)
            self.find_in_index("%s; Test page 2" % ip)