"""
tests.test_component_configurator
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Tests Configurator component.
"""
# pylint: disable=too-many-public-methods,protected-access
import unittest

import homeassistant as ha
import homeassistant.components.configurator as configurator
from homeassistant.const import EVENT_TIME_CHANGED


class TestConfigurator(unittest.TestCase):
    """ Test the chromecast module. """

    def setUp(self):  # pylint: disable=invalid-name
        self.hass = ha.HomeAssistant()

    def tearDown(self):  # pylint: disable=invalid-name
        """ Stop down stuff we started. """
        self.hass.stop()

    def test_request_least_info(self):
        """ Test request config with least amount of data. """

        request_id = configurator.request_config(
            self.hass, "Test Request", lambda _: None)

        self.assertEqual(
            1, len(self.hass.services.services.get(configurator.DOMAIN, [])),
            "No new service registered")

        states = self.hass.states.all()

        self.assertEqual(1, len(states), "Expected a new state registered")

        state = states[0]

        self.assertEqual(configurator.STATE_CONFIGURE, state.state)
        self.assertEqual(
            request_id, state.attributes.get(configurator.ATTR_CONFIGURE_ID))

    def test_request_all_info(self):
        """ Test request config with all possible info. """

        values = [
            "config_description", "config image url",
            "config submit caption", []]

        keys = [
            configurator.ATTR_DESCRIPTION, configurator.ATTR_DESCRIPTION_IMAGE,
            configurator.ATTR_SUBMIT_CAPTION, configurator.ATTR_FIELDS]

        exp_attr = dict(zip(keys, values))

        exp_attr[configurator.ATTR_CONFIGURE_ID] = configurator.request_config(
            self.hass, "Test Request", lambda _: None,
            *values)

        states = self.hass.states.all()

        self.assertEqual(1, len(states))

        state = states[0]

        self.assertEqual(configurator.STATE_CONFIGURE, state.state)
        self.assertEqual(exp_attr, state.attributes)

    def test_callback_called_on_configure(self):
        """ Test if our callback gets called when configure service called. """
        calls = []

        request_id = configurator.request_config(
            self.hass, "Test Request", lambda _: calls.append(1))

        self.hass.services.call(
            configurator.DOMAIN, configurator.SERVICE_CONFIGURE,
            {configurator.ATTR_CONFIGURE_ID: request_id})

        self.hass.pool.block_till_done()

        self.assertEqual(1, len(calls), "Callback not called")

    def test_state_change_on_notify_errors(self):
        """ Test state change on notify errors. """
        request_id = configurator.request_config(
            self.hass, "Test Request", lambda _: None)

        error = "Oh no bad bad bad"

        configurator.notify_errors(request_id, error)

        state = self.hass.states.all()[0]

        self.assertEqual(error, state.attributes.get(configurator.ATTR_ERRORS))

    def test_notify_errors_fail_silently_on_bad_request_id(self):
        """ Test if notify errors fails silently with a bad request id. """
        configurator.notify_errors(2015, "Try this error")

    def test_request_done_works(self):
        """ Test if calling request done works. """
        request_id = configurator.request_config(
            self.hass, "Test Request", lambda _: None)

        configurator.request_done(request_id)

        self.assertEqual(1, len(self.hass.states.all()))

        self.hass.bus.fire(EVENT_TIME_CHANGED)

        self.hass.pool.block_till_done()

        self.assertEqual(0, len(self.hass.states.all()))

    def test_request_done_fail_silently_on_bad_request_id(self):
        """ Test that request_done fails silently with a bad request id. """
        configurator.request_done(2016)