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

# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals

# Import Salt Libs
import salt.transport.client

# Import 3rd-party libs
from salt.ext import six
import tornado.gen


def run_loop_in_thread(loop, evt):
    '''
    Run the provided loop until an event is set
    '''
    loop.make_current()
    @tornado.gen.coroutine
    def stopper():
        while True:
            if evt.is_set():
                loop.stop()
                break
            yield tornado.gen.sleep(.3)
    loop.add_callback(stopper)
    try:
        loop.start()
    finally:
        loop.close()


class ReqChannelMixin(object):

    def test_basic(self):
        '''
        Test a variety of messages, make sure we get the expected responses
        '''
        msgs = [
            {'foo': 'bar'},
            {'bar': 'baz'},
            {'baz': 'qux', 'list': [1, 2, 3]},
        ]
        for msg in msgs:
            ret = self.channel.send(msg, timeout=2, tries=1)
            self.assertEqual(ret['load'], msg)

    def test_normalization(self):
        '''
        Since we use msgpack, we need to test that list types are converted to lists
        '''
        types = {
            'list': list,
        }
        msgs = [
            {'list': tuple([1, 2, 3])},
        ]
        for msg in msgs:
            ret = self.channel.send(msg, timeout=2, tries=1)
            for k, v in six.iteritems(ret['load']):
                self.assertEqual(types[k], type(v))

    def test_badload(self):
        '''
        Test a variety of bad requests, make sure that we get some sort of error
        '''
        msgs = ['', [], tuple()]
        for msg in msgs:
            ret = self.channel.send(msg, timeout=2, tries=1)
            self.assertEqual(ret, 'payload and load must be a dict')


class PubChannelMixin(object):
    def test_basic(self):
        self.pub = None

        def handle_pub(ret):
            self.pub = ret
            self.stop()
        self.pub_channel = salt.transport.client.AsyncPubChannel.factory(self.minion_opts, io_loop=self.io_loop)
        connect_future = self.pub_channel.connect()
        connect_future.add_done_callback(lambda f: self.stop())
        self.wait()
        connect_future.result()
        self.pub_channel.on_recv(handle_pub)
        load = {
            'fun': 'f',
            'arg': 'a',
            'tgt': 't',
            'jid': 'j',
            'ret': 'r',
            'tgt_type': 'glob',
        }
        self.server_channel.publish(load)
        self.wait()
        self.assertEqual(self.pub['load'], load)
        self.pub_channel.on_recv(None)
        self.server_channel.publish(load)
        with self.assertRaises(self.failureException):
            self.wait(timeout=0.5)

        # close our pub_channel, to pass our FD checks
        self.pub_channel.close()
        del self.pub_channel