import asyncio

import lbry.wallet
from lbry import __version__ as sdk_version
from torba.client.basenetwork import ClientSession
from torba.testcase import IntegrationTestCase


class TestSessions(IntegrationTestCase):
    """
    Tests that server cleans up stale connections after session timeout and client times out too.
    """

    LEDGER = lbry.wallet

    async def test_session_bloat_from_socket_timeout(self):
        await self.conductor.stop_spv()
        await self.ledger.stop()
        self.conductor.spv_node.session_timeout = 1
        await self.conductor.start_spv()
        session = ClientSession(
            network=None, server=(self.conductor.spv_node.hostname, self.conductor.spv_node.port), timeout=0.2
        )
        await session.create_connection()
        await session.send_request('server.banner', ())
        self.assertEqual(len(self.conductor.spv_node.server.session_mgr.sessions), 1)
        self.assertFalse(session.is_closing())
        await asyncio.sleep(1.1)
        with self.assertRaises(asyncio.TimeoutError):
            await session.send_request('server.banner', ())
        self.assertTrue(session.is_closing())
        self.assertEqual(len(self.conductor.spv_node.server.session_mgr.sessions), 0)

    async def test_proper_version(self):
        info = await self.ledger.network.get_server_features()
        self.assertEqual(sdk_version, info['server_version'])

    async def test_client_errors(self):
        # Goal is ensuring thsoe are raised and not trapped accidentally
        with self.assertRaisesRegex(Exception, 'not a valid address'):
            await self.ledger.network.get_history('of the world')
        with self.assertRaisesRegex(Exception, 'rejected by network rules.*TX decode failed'):
            await self.ledger.network.broadcast('13370042004200')


class TestSegwitServer(IntegrationTestCase):
    LEDGER = lbry.wallet
    ENABLE_SEGWIT = True

    async def test_at_least_it_starts(self):
        await asyncio.wait_for(self.ledger.network.get_headers(0, 1), 1.0)