"""Tests for tor module"""
import collections
import os
import tempfile
import unittest

from minode import shared

from .common import tor_port_free

try:
    from minode import tor
except ImportError:
    tor = None


Proxy = collections.namedtuple('Proxy', ['hostname', 'port'])


@unittest.skipIf(
    tor_port_free or tor is None, 'Inapropriate environment for tor service')
class TestTor(unittest.TestCase):
    """A test case running the tor service"""
    tor = None
    _files = ['onion_dest_priv.key', 'onion_dest.pub']

    @classmethod
    def cleanup(cls):
        """Remove used files"""
        for f in cls._files:
            try:
                os.remove(os.path.join(shared.data_directory, f))
            except FileNotFoundError:
                pass

    @classmethod
    def setUpClass(cls):
        shared.data_directory = tempfile.gettempdir()
        shared.socks_proxy = Proxy('127.0.0.1', 9050)
        cls.cleanup()

    @classmethod
    def tearDownClass(cls):
        if cls.tor:
            cls.tor.close()
        cls.cleanup()

    def test_tor(self):
        """Start the tor service as in main and check the environment"""
        self.tor = tor.start_tor_service()
        if not self.tor:
            self.fail('The tor service has hot started.')

        with open(
            os.path.join(shared.data_directory, 'onion_dest.pub'),
            'r', encoding='ascii'
        ) as key_file:
            onion_key = key_file.read()
            self.assertEqual(onion_key + '.onion', shared.onion_hostname)

        # with open(
        #     os.path.join(shared.data_directory, 'onion_dest_priv.key'), 'rb'
        # ) as key_file:
        #     private_key = key_file.read()