"""The tests for the MQTT light platform.

Configuration for RGB Version with brightness:

light:
  platform: mqtt
  name: "Office Light RGB"
  state_topic: "office/rgb1/light/status"
  command_topic: "office/rgb1/light/switch"
  brightness_state_topic: "office/rgb1/brightness/status"
  brightness_command_topic: "office/rgb1/brightness/set"
  rgb_state_topic: "office/rgb1/rgb/status"
  rgb_command_topic: "office/rgb1/rgb/set"
  qos: 0
  payload_on: "on"
  payload_off: "off"

Configuration for XY Version with brightness:

light:
  platform: mqtt
  name: "Office Light XY"
  state_topic: "office/xy1/light/status"
  command_topic: "office/xy1/light/switch"
  brightness_state_topic: "office/xy1/brightness/status"
  brightness_command_topic: "office/xy1/brightness/set"
  xy_state_topic: "office/xy1/xy/status"
  xy_command_topic: "office/xy1/xy/set"
  qos: 0
  payload_on: "on"
  payload_off: "off"

config without RGB:

light:
  platform: mqtt
  name: "Office Light"
  state_topic: "office/rgb1/light/status"
  command_topic: "office/rgb1/light/switch"
  brightness_state_topic: "office/rgb1/brightness/status"
  brightness_command_topic: "office/rgb1/brightness/set"
  qos: 0
  payload_on: "on"
  payload_off: "off"

config without RGB and brightness:

light:
  platform: mqtt
  name: "Office Light"
  state_topic: "office/rgb1/light/status"
  command_topic: "office/rgb1/light/switch"
  qos: 0
  payload_on: "on"
  payload_off: "off"

config for RGB Version with brightness and scale:

light:
  platform: mqtt
  name: "Office Light RGB"
  state_topic: "office/rgb1/light/status"
  command_topic: "office/rgb1/light/switch"
  brightness_state_topic: "office/rgb1/brightness/status"
  brightness_command_topic: "office/rgb1/brightness/set"
  brightness_scale: 99
  rgb_state_topic: "office/rgb1/rgb/status"
  rgb_command_topic: "office/rgb1/rgb/set"
  rgb_scale: 99
  qos: 0
  payload_on: "on"
  payload_off: "off"

config with brightness and color temp

light:
  platform: mqtt
  name: "Office Light Color Temp"
  state_topic: "office/rgb1/light/status"
  command_topic: "office/rgb1/light/switch"
  brightness_state_topic: "office/rgb1/brightness/status"
  brightness_command_topic: "office/rgb1/brightness/set"
  brightness_scale: 99
  color_temp_state_topic: "office/rgb1/color_temp/status"
  color_temp_command_topic: "office/rgb1/color_temp/set"
  qos: 0
  payload_on: "on"
  payload_off: "off"

config with brightness and effect

light:
  platform: mqtt
  name: "Office Light Color Temp"
  state_topic: "office/rgb1/light/status"
  command_topic: "office/rgb1/light/switch"
  brightness_state_topic: "office/rgb1/brightness/status"
  brightness_command_topic: "office/rgb1/brightness/set"
  brightness_scale: 99
  effect_state_topic: "office/rgb1/effect/status"
  effect_command_topic: "office/rgb1/effect/set"
  effect_list:
    - rainbow
    - colorloop
  qos: 0
  payload_on: "on"
  payload_off: "off"

config for RGB Version with white value and scale:

light:
  platform: mqtt
  name: "Office Light RGB"
  state_topic: "office/rgb1/light/status"
  command_topic: "office/rgb1/light/switch"
  white_value_state_topic: "office/rgb1/white_value/status"
  white_value_command_topic: "office/rgb1/white_value/set"
  white_value_scale: 99
  rgb_state_topic: "office/rgb1/rgb/status"
  rgb_command_topic: "office/rgb1/rgb/set"
  rgb_scale: 99
  qos: 0
  payload_on: "on"
  payload_off: "off"

config for RGB Version with RGB command template:

light:
  platform: mqtt
  name: "Office Light RGB"
  state_topic: "office/rgb1/light/status"
  command_topic: "office/rgb1/light/switch"
  rgb_state_topic: "office/rgb1/rgb/status"
  rgb_command_topic: "office/rgb1/rgb/set"
  rgb_command_template: "{{ '#%02x%02x%02x' | format(red, green, blue)}}"
  qos: 0
  payload_on: "on"
  payload_off: "off"

Configuration for HS Version with brightness:

light:
  platform: mqtt
  name: "Office Light HS"
  state_topic: "office/hs1/light/status"
  command_topic: "office/hs1/light/switch"
  brightness_state_topic: "office/hs1/brightness/status"
  brightness_command_topic: "office/hs1/brightness/set"
  hs_state_topic: "office/hs1/hs/status"
  hs_command_topic: "office/hs1/hs/set"
  qos: 0
  payload_on: "on"
  payload_off: "off"

"""
import json
from unittest import mock
from unittest.mock import ANY, patch

from homeassistant.components import light, mqtt
from homeassistant.components.mqtt.discovery import async_start
from homeassistant.const import (
    ATTR_ASSUMED_STATE, STATE_OFF, STATE_ON, STATE_UNAVAILABLE)
import homeassistant.core as ha
from homeassistant.setup import async_setup_component

from tests.common import (
    MockConfigEntry, assert_setup_component, async_fire_mqtt_message,
    async_mock_mqtt_component, mock_coro, mock_registry)
from tests.components.light import common


async def test_fail_setup_if_no_command_topic(hass, mqtt_mock):
    """Test if command fails with command topic."""
    assert await async_setup_component(hass, light.DOMAIN, {
        light.DOMAIN: {
            'platform': 'mqtt',
            'name': 'test',
        }
    })
    assert hass.states.get('light.test') is None


async def test_no_color_brightness_color_temp_hs_white_xy_if_no_topics(
        hass, mqtt_mock):
    """Test if there is no color and brightness if no topic."""
    assert await async_setup_component(hass, light.DOMAIN, {
        light.DOMAIN: {
            'platform': 'mqtt',
            'name': 'test',
            'state_topic': 'test_light_rgb/status',
            'command_topic': 'test_light_rgb/set',
        }
    })

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('rgb_color') is None
    assert state.attributes.get('brightness') is None
    assert state.attributes.get('color_temp') is None
    assert state.attributes.get('hs_color') is None
    assert state.attributes.get('white_value') is None
    assert state.attributes.get('xy_color') is None

    async_fire_mqtt_message(hass, 'test_light_rgb/status', 'ON')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('rgb_color') is None
    assert state.attributes.get('brightness') is None
    assert state.attributes.get('color_temp') is None
    assert state.attributes.get('hs_color') is None
    assert state.attributes.get('white_value') is None
    assert state.attributes.get('xy_color') is None


async def test_controlling_state_via_topic(hass, mqtt_mock):
    """Test the controlling of the state via topic."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'state_topic': 'test_light_rgb/status',
        'command_topic': 'test_light_rgb/set',
        'brightness_state_topic': 'test_light_rgb/brightness/status',
        'brightness_command_topic': 'test_light_rgb/brightness/set',
        'rgb_state_topic': 'test_light_rgb/rgb/status',
        'rgb_command_topic': 'test_light_rgb/rgb/set',
        'color_temp_state_topic': 'test_light_rgb/color_temp/status',
        'color_temp_command_topic': 'test_light_rgb/color_temp/set',
        'effect_state_topic': 'test_light_rgb/effect/status',
        'effect_command_topic': 'test_light_rgb/effect/set',
        'hs_state_topic': 'test_light_rgb/hs/status',
        'hs_command_topic': 'test_light_rgb/hs/set',
        'white_value_state_topic': 'test_light_rgb/white_value/status',
        'white_value_command_topic': 'test_light_rgb/white_value/set',
        'xy_state_topic': 'test_light_rgb/xy/status',
        'xy_command_topic': 'test_light_rgb/xy/set',
        'qos': '0',
        'payload_on': 1,
        'payload_off': 0
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('rgb_color') is None
    assert state.attributes.get('brightness') is None
    assert state.attributes.get('color_temp') is None
    assert state.attributes.get('effect') is None
    assert state.attributes.get('hs_color') is None
    assert state.attributes.get('white_value') is None
    assert state.attributes.get('xy_color') is None
    assert not state.attributes.get(ATTR_ASSUMED_STATE)

    async_fire_mqtt_message(hass, 'test_light_rgb/status', '1')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('rgb_color') == (255, 255, 255)
    assert state.attributes.get('brightness') == 255
    assert state.attributes.get('color_temp') == 150
    assert state.attributes.get('effect') == 'none'
    assert state.attributes.get('hs_color') == (0, 0)
    assert state.attributes.get('white_value') == 255
    assert state.attributes.get('xy_color') == (0.323, 0.329)

    async_fire_mqtt_message(hass, 'test_light_rgb/status', '0')

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    async_fire_mqtt_message(hass, 'test_light_rgb/status', '1')

    async_fire_mqtt_message(hass, 'test_light_rgb/brightness/status', '100')

    light_state = hass.states.get('light.test')
    assert light_state.attributes['brightness'] == 100

    async_fire_mqtt_message(hass, 'test_light_rgb/color_temp/status', '300')
    light_state = hass.states.get('light.test')
    assert light_state.attributes['color_temp'] == 300

    async_fire_mqtt_message(hass, 'test_light_rgb/effect/status', 'rainbow')
    light_state = hass.states.get('light.test')
    assert light_state.attributes['effect'] == 'rainbow'

    async_fire_mqtt_message(hass, 'test_light_rgb/white_value/status',
                            '100')

    light_state = hass.states.get('light.test')
    assert light_state.attributes['white_value'] == 100

    async_fire_mqtt_message(hass, 'test_light_rgb/status', '1')

    async_fire_mqtt_message(hass, 'test_light_rgb/rgb/status',
                            '125,125,125')

    light_state = hass.states.get('light.test')
    assert light_state.attributes.get('rgb_color') == (255, 255, 255)

    async_fire_mqtt_message(hass, 'test_light_rgb/hs/status',
                            '200,50')

    light_state = hass.states.get('light.test')
    assert light_state.attributes.get('hs_color') == (200, 50)

    async_fire_mqtt_message(hass, 'test_light_rgb/xy/status',
                            '0.675,0.322')

    light_state = hass.states.get('light.test')
    assert light_state.attributes.get('xy_color') == (0.672, 0.324)


async def test_brightness_controlling_scale(hass, mqtt_mock):
    """Test the brightness controlling scale."""
    with assert_setup_component(1, light.DOMAIN):
        assert await async_setup_component(hass, light.DOMAIN, {
            light.DOMAIN: {
                'platform': 'mqtt',
                'name': 'test',
                'state_topic': 'test_scale/status',
                'command_topic': 'test_scale/set',
                'brightness_state_topic': 'test_scale/brightness/status',
                'brightness_command_topic': 'test_scale/brightness/set',
                'brightness_scale': '99',
                'qos': 0,
                'payload_on': 'on',
                'payload_off': 'off'
            }
        })

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('brightness') is None
    assert not state.attributes.get(ATTR_ASSUMED_STATE)

    async_fire_mqtt_message(hass, 'test_scale/status', 'on')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('brightness') == 255

    async_fire_mqtt_message(hass, 'test_scale/status', 'off')

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    async_fire_mqtt_message(hass, 'test_scale/status', 'on')

    async_fire_mqtt_message(hass, 'test_scale/brightness/status', '99')

    light_state = hass.states.get('light.test')
    assert light_state.attributes['brightness'] == 255


async def test_brightness_from_rgb_controlling_scale(hass, mqtt_mock):
    """Test the brightness controlling scale."""
    with assert_setup_component(1, light.DOMAIN):
        assert await async_setup_component(hass, light.DOMAIN, {
            light.DOMAIN: {
                'platform': 'mqtt',
                'name': 'test',
                'state_topic': 'test_scale_rgb/status',
                'command_topic': 'test_scale_rgb/set',
                'rgb_state_topic': 'test_scale_rgb/rgb/status',
                'rgb_command_topic': 'test_scale_rgb/rgb/set',
                'qos': 0,
                'payload_on': 'on',
                'payload_off': 'off'
            }
        })

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('brightness') is None
    assert not state.attributes.get(ATTR_ASSUMED_STATE)

    async_fire_mqtt_message(hass, 'test_scale_rgb/status', 'on')
    async_fire_mqtt_message(hass, 'test_scale_rgb/rgb/status', '255,0,0')

    state = hass.states.get('light.test')
    assert state.attributes.get('brightness') == 255

    async_fire_mqtt_message(hass, 'test_scale_rgb/rgb/status', '127,0,0')

    state = hass.states.get('light.test')
    assert state.attributes.get('brightness') == 127


async def test_white_value_controlling_scale(hass, mqtt_mock):
    """Test the white_value controlling scale."""
    with assert_setup_component(1, light.DOMAIN):
        assert await async_setup_component(hass, light.DOMAIN, {
            light.DOMAIN: {
                'platform': 'mqtt',
                'name': 'test',
                'state_topic': 'test_scale/status',
                'command_topic': 'test_scale/set',
                'white_value_state_topic': 'test_scale/white_value/status',
                'white_value_command_topic': 'test_scale/white_value/set',
                'white_value_scale': '99',
                'qos': 0,
                'payload_on': 'on',
                'payload_off': 'off'
            }
        })

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('white_value') is None
    assert not state.attributes.get(ATTR_ASSUMED_STATE)

    async_fire_mqtt_message(hass, 'test_scale/status', 'on')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('white_value') == 255

    async_fire_mqtt_message(hass, 'test_scale/status', 'off')

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    async_fire_mqtt_message(hass, 'test_scale/status', 'on')

    async_fire_mqtt_message(hass, 'test_scale/white_value/status', '99')

    light_state = hass.states.get('light.test')
    assert light_state.attributes['white_value'] == 255


async def test_controlling_state_via_topic_with_templates(hass, mqtt_mock):
    """Test the setting of the state with a template."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'state_topic': 'test_light_rgb/status',
        'command_topic': 'test_light_rgb/set',
        'brightness_command_topic': 'test_light_rgb/brightness/set',
        'rgb_command_topic': 'test_light_rgb/rgb/set',
        'color_temp_command_topic': 'test_light_rgb/color_temp/set',
        'effect_command_topic': 'test_light_rgb/effect/set',
        'hs_command_topic': 'test_light_rgb/hs/set',
        'white_value_command_topic': 'test_light_rgb/white_value/set',
        'xy_command_topic': 'test_light_rgb/xy/set',
        'brightness_state_topic': 'test_light_rgb/brightness/status',
        'color_temp_state_topic': 'test_light_rgb/color_temp/status',
        'effect_state_topic': 'test_light_rgb/effect/status',
        'hs_state_topic': 'test_light_rgb/hs/status',
        'rgb_state_topic': 'test_light_rgb/rgb/status',
        'white_value_state_topic': 'test_light_rgb/white_value/status',
        'xy_state_topic': 'test_light_rgb/xy/status',
        'state_value_template': '{{ value_json.hello }}',
        'brightness_value_template': '{{ value_json.hello }}',
        'color_temp_value_template': '{{ value_json.hello }}',
        'effect_value_template': '{{ value_json.hello }}',
        'hs_value_template': '{{ value_json.hello | join(",") }}',
        'rgb_value_template': '{{ value_json.hello | join(",") }}',
        'white_value_template': '{{ value_json.hello }}',
        'xy_value_template': '{{ value_json.hello | join(",") }}',
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('brightness') is None
    assert state.attributes.get('rgb_color') is None

    async_fire_mqtt_message(hass, 'test_light_rgb/rgb/status',
                            '{"hello": [1, 2, 3]}')
    async_fire_mqtt_message(hass, 'test_light_rgb/status',
                            '{"hello": "ON"}')
    async_fire_mqtt_message(hass, 'test_light_rgb/brightness/status',
                            '{"hello": "50"}')
    async_fire_mqtt_message(hass, 'test_light_rgb/color_temp/status',
                            '{"hello": "300"}')
    async_fire_mqtt_message(hass, 'test_light_rgb/effect/status',
                            '{"hello": "rainbow"}')
    async_fire_mqtt_message(hass, 'test_light_rgb/white_value/status',
                            '{"hello": "75"}')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('brightness') == 50
    assert state.attributes.get('rgb_color') == (84, 169, 255)
    assert state.attributes.get('color_temp') == 300
    assert state.attributes.get('effect') == 'rainbow'
    assert state.attributes.get('white_value') == 75

    async_fire_mqtt_message(hass, 'test_light_rgb/hs/status',
                            '{"hello": [100,50]}')

    state = hass.states.get('light.test')
    assert state.attributes.get('hs_color') == (100, 50)

    async_fire_mqtt_message(hass, 'test_light_rgb/xy/status',
                            '{"hello": [0.123,0.123]}')

    state = hass.states.get('light.test')
    assert state.attributes.get('xy_color') == (0.14, 0.131)


async def test_sending_mqtt_commands_and_optimistic(hass, mqtt_mock):
    """Test the sending of command in optimistic mode."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'command_topic': 'test_light_rgb/set',
        'brightness_command_topic': 'test_light_rgb/brightness/set',
        'rgb_command_topic': 'test_light_rgb/rgb/set',
        'color_temp_command_topic': 'test_light_rgb/color_temp/set',
        'effect_command_topic': 'test_light_rgb/effect/set',
        'hs_command_topic': 'test_light_rgb/hs/set',
        'white_value_command_topic': 'test_light_rgb/white_value/set',
        'xy_command_topic': 'test_light_rgb/xy/set',
        'effect_list': ['colorloop', 'random'],
        'qos': 2,
        'payload_on': 'on',
        'payload_off': 'off'
    }}
    fake_state = ha.State('light.test', 'on', {'brightness': 95,
                                               'hs_color': [100, 100],
                                               'effect': 'random',
                                               'color_temp': 100,
                                               'white_value': 50})
    with patch('homeassistant.helpers.restore_state.RestoreEntity'
               '.async_get_last_state',
               return_value=mock_coro(fake_state)):
        with assert_setup_component(1, light.DOMAIN):
            assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('brightness') == 95
    assert state.attributes.get('hs_color') == (100, 100)
    assert state.attributes.get('effect') == 'random'
    assert state.attributes.get('color_temp') == 100
    assert state.attributes.get('white_value') == 50
    assert state.attributes.get(ATTR_ASSUMED_STATE)

    await common.async_turn_on(hass, 'light.test')

    mqtt_mock.async_publish.assert_called_once_with(
        'test_light_rgb/set', 'on', 2, False)
    mqtt_mock.async_publish.reset_mock()
    state = hass.states.get('light.test')
    assert state.state == STATE_ON

    await common.async_turn_off(hass, 'light.test')

    mqtt_mock.async_publish.assert_called_once_with(
        'test_light_rgb/set', 'off', 2, False)
    mqtt_mock.async_publish.reset_mock()
    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    mqtt_mock.reset_mock()
    await common.async_turn_on(hass, 'light.test',
                               brightness=50, xy_color=[0.123, 0.123])
    await common.async_turn_on(hass, 'light.test',
                               brightness=50, hs_color=[359, 78])
    await common.async_turn_on(hass, 'light.test', rgb_color=[255, 128, 0],
                               white_value=80)

    mqtt_mock.async_publish.assert_has_calls([
        mock.call('test_light_rgb/set', 'on', 2, False),
        mock.call('test_light_rgb/rgb/set', '255,128,0', 2, False),
        mock.call('test_light_rgb/brightness/set', 50, 2, False),
        mock.call('test_light_rgb/hs/set', '359.0,78.0', 2, False),
        mock.call('test_light_rgb/white_value/set', 80, 2, False),
        mock.call('test_light_rgb/xy/set', '0.14,0.131', 2, False),
    ], any_order=True)

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes['rgb_color'] == (255, 128, 0)
    assert state.attributes['brightness'] == 50
    assert state.attributes['hs_color'] == (30.118, 100)
    assert state.attributes['white_value'] == 80
    assert state.attributes['xy_color'] == (0.611, 0.375)


async def test_sending_mqtt_rgb_command_with_template(hass, mqtt_mock):
    """Test the sending of RGB command with template."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'command_topic': 'test_light_rgb/set',
        'rgb_command_topic': 'test_light_rgb/rgb/set',
        'rgb_command_template': '{{ "#%02x%02x%02x" | '
                                'format(red, green, blue)}}',
        'payload_on': 'on',
        'payload_off': 'off',
        'qos': 0
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    await common.async_turn_on(hass, 'light.test', rgb_color=[255, 128, 64])

    mqtt_mock.async_publish.assert_has_calls([
        mock.call('test_light_rgb/set', 'on', 0, False),
        mock.call('test_light_rgb/rgb/set', '#ff803f', 0, False),
    ], any_order=True)

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes['rgb_color'] == (255, 128, 63)


async def test_sending_mqtt_color_temp_command_with_template(hass, mqtt_mock):
    """Test the sending of Color Temp command with template."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'command_topic': 'test_light_color_temp/set',
        'color_temp_command_topic': 'test_light_color_temp/color_temp/set',
        'color_temp_command_template': '{{ (1000 / value) | round(0) }}',
        'payload_on': 'on',
        'payload_off': 'off',
        'qos': 0
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    await common.async_turn_on(hass, 'light.test', color_temp=100)

    mqtt_mock.async_publish.assert_has_calls([
        mock.call('test_light_color_temp/set', 'on', 0, False),
        mock.call('test_light_color_temp/color_temp/set', '10', 0, False),
    ], any_order=True)

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes['color_temp'] == 100


async def test_show_brightness_if_only_command_topic(hass, mqtt_mock):
    """Test the brightness if only a command topic is present."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'brightness_command_topic': 'test_light_rgb/brightness/set',
        'command_topic': 'test_light_rgb/set',
        'state_topic': 'test_light_rgb/status',
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('brightness') is None

    async_fire_mqtt_message(hass, 'test_light_rgb/status', 'ON')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('brightness') == 255


async def test_show_color_temp_only_if_command_topic(hass, mqtt_mock):
    """Test the color temp only if a command topic is present."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'color_temp_command_topic': 'test_light_rgb/brightness/set',
        'command_topic': 'test_light_rgb/set',
        'state_topic': 'test_light_rgb/status'
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('color_temp') is None

    async_fire_mqtt_message(hass, 'test_light_rgb/status', 'ON')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('color_temp') == 150


async def test_show_effect_only_if_command_topic(hass, mqtt_mock):
    """Test the color temp only if a command topic is present."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'effect_command_topic': 'test_light_rgb/effect/set',
        'command_topic': 'test_light_rgb/set',
        'state_topic': 'test_light_rgb/status'
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('effect') is None

    async_fire_mqtt_message(hass, 'test_light_rgb/status', 'ON')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('effect') == 'none'


async def test_show_hs_if_only_command_topic(hass, mqtt_mock):
    """Test the hs if only a command topic is present."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'hs_command_topic': 'test_light_rgb/hs/set',
        'command_topic': 'test_light_rgb/set',
        'state_topic': 'test_light_rgb/status',
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('hs_color') is None

    async_fire_mqtt_message(hass, 'test_light_rgb/status', 'ON')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('hs_color') == (0, 0)


async def test_show_white_value_if_only_command_topic(hass, mqtt_mock):
    """Test the white_value if only a command topic is present."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'white_value_command_topic': 'test_light_rgb/white_value/set',
        'command_topic': 'test_light_rgb/set',
        'state_topic': 'test_light_rgb/status',
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('white_value') is None

    async_fire_mqtt_message(hass, 'test_light_rgb/status', 'ON')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('white_value') == 255


async def test_show_xy_if_only_command_topic(hass, mqtt_mock):
    """Test the xy if only a command topic is present."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'xy_command_topic': 'test_light_rgb/xy/set',
        'command_topic': 'test_light_rgb/set',
        'state_topic': 'test_light_rgb/status',
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF
    assert state.attributes.get('xy_color') is None

    async_fire_mqtt_message(hass, 'test_light_rgb/status', 'ON')

    state = hass.states.get('light.test')
    assert state.state == STATE_ON
    assert state.attributes.get('xy_color') == (0.323, 0.329)


async def test_on_command_first(hass, mqtt_mock):
    """Test on command being sent before brightness."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'command_topic': 'test_light/set',
        'brightness_command_topic': 'test_light/bright',
        'on_command_type': 'first',
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    await common.async_turn_on(hass, 'light.test', brightness=50)

    # Should get the following MQTT messages.
    #    test_light/set: 'ON'
    #    test_light/bright: 50
    mqtt_mock.async_publish.assert_has_calls([
        mock.call('test_light/set', 'ON', 0, False),
        mock.call('test_light/bright', 50, 0, False),
    ], any_order=True)
    mqtt_mock.async_publish.reset_mock()

    await common.async_turn_off(hass, 'light.test')

    mqtt_mock.async_publish.assert_called_once_with(
        'test_light/set', 'OFF', 0, False)


async def test_on_command_last(hass, mqtt_mock):
    """Test on command being sent after brightness."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'command_topic': 'test_light/set',
        'brightness_command_topic': 'test_light/bright',
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    await common.async_turn_on(hass, 'light.test', brightness=50)

    # Should get the following MQTT messages.
    #    test_light/bright: 50
    #    test_light/set: 'ON'
    mqtt_mock.async_publish.assert_has_calls([
        mock.call('test_light/bright', 50, 0, False),
        mock.call('test_light/set', 'ON', 0, False),
    ], any_order=True)
    mqtt_mock.async_publish.reset_mock()

    await common.async_turn_off(hass, 'light.test')

    mqtt_mock.async_publish.assert_called_once_with(
        'test_light/set', 'OFF', 0, False)


async def test_on_command_brightness(hass, mqtt_mock):
    """Test on command being sent as only brightness."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'command_topic': 'test_light/set',
        'brightness_command_topic': 'test_light/bright',
        'rgb_command_topic': "test_light/rgb",
        'on_command_type': 'brightness',
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    # Turn on w/ no brightness - should set to max
    await common.async_turn_on(hass, 'light.test')

    # Should get the following MQTT messages.
    #    test_light/bright: 255
    mqtt_mock.async_publish.assert_called_once_with(
        'test_light/bright', 255, 0, False)
    mqtt_mock.async_publish.reset_mock()

    await common.async_turn_off(hass, 'light.test')

    mqtt_mock.async_publish.assert_called_once_with(
        'test_light/set', 'OFF', 0, False)
    mqtt_mock.async_publish.reset_mock()

    # Turn on w/ brightness
    await common.async_turn_on(hass, 'light.test', brightness=50)

    mqtt_mock.async_publish.assert_called_once_with(
        'test_light/bright', 50, 0, False)
    mqtt_mock.async_publish.reset_mock()

    await common.async_turn_off(hass, 'light.test')

    # Turn on w/ just a color to insure brightness gets
    # added and sent.
    await common.async_turn_on(hass, 'light.test', rgb_color=[255, 128, 0])

    mqtt_mock.async_publish.assert_has_calls([
        mock.call('test_light/rgb', '255,128,0', 0, False),
        mock.call('test_light/bright', 50, 0, False)
    ], any_order=True)


async def test_on_command_rgb(hass, mqtt_mock):
    """Test on command in RGB brightness mode."""
    config = {light.DOMAIN: {
        'platform': 'mqtt',
        'name': 'test',
        'command_topic': 'test_light/set',
        'rgb_command_topic': "test_light/rgb",
    }}

    assert await async_setup_component(hass, light.DOMAIN, config)

    state = hass.states.get('light.test')
    assert state.state == STATE_OFF

    await common.async_turn_on(hass, 'light.test', brightness=127)

    # Should get the following MQTT messages.
    #    test_light/rgb: '127,127,127'
    #    test_light/set: 'ON'
    mqtt_mock.async_publish.assert_has_calls([
        mock.call('test_light/rgb', '127,127,127', 0, False),
        mock.call('test_light/set', 'ON', 0, False),
    ], any_order=True)
    mqtt_mock.async_publish.reset_mock()

    await common.async_turn_off(hass, 'light.test')

    mqtt_mock.async_publish.assert_called_once_with(
        'test_light/set', 'OFF', 0, False)


async def test_default_availability_payload(hass, mqtt_mock):
    """Test availability by default payload with defined topic."""
    assert await async_setup_component(hass, light.DOMAIN, {
        light.DOMAIN: {
            'platform': 'mqtt',
            'name': 'test',
            'command_topic': 'test_light/set',
            'brightness_command_topic': 'test_light/bright',
            'rgb_command_topic': "test_light/rgb",
            'availability_topic': 'availability-topic'
        }
    })

    state = hass.states.get('light.test')
    assert state.state == STATE_UNAVAILABLE

    async_fire_mqtt_message(hass, 'availability-topic', 'online')

    state = hass.states.get('light.test')
    assert state.state != STATE_UNAVAILABLE

    async_fire_mqtt_message(hass, 'availability-topic', 'offline')

    state = hass.states.get('light.test')
    assert state.state == STATE_UNAVAILABLE


async def test_custom_availability_payload(hass, mqtt_mock):
    """Test availability by custom payload with defined topic."""
    assert await async_setup_component(hass, light.DOMAIN, {
        light.DOMAIN: {
            'platform': 'mqtt',
            'name': 'test',
            'command_topic': 'test_light/set',
            'brightness_command_topic': 'test_light/bright',
            'rgb_command_topic': "test_light/rgb",
            'availability_topic': 'availability-topic',
            'payload_available': 'good',
            'payload_not_available': 'nogood'
        }
    })

    state = hass.states.get('light.test')
    assert state.state == STATE_UNAVAILABLE

    async_fire_mqtt_message(hass, 'availability-topic', 'good')

    state = hass.states.get('light.test')
    assert state.state != STATE_UNAVAILABLE

    async_fire_mqtt_message(hass, 'availability-topic', 'nogood')

    state = hass.states.get('light.test')
    assert state.state == STATE_UNAVAILABLE


async def test_setting_attribute_via_mqtt_json_message(hass, mqtt_mock):
    """Test the setting of attribute via MQTT with JSON payload."""
    assert await async_setup_component(hass, light.DOMAIN, {
        light.DOMAIN: {
            'platform': 'mqtt',
            'name': 'test',
            'command_topic': 'test-topic',
            'json_attributes_topic': 'attr-topic'
        }
    })

    async_fire_mqtt_message(hass, 'attr-topic', '{ "val": "100" }')
    state = hass.states.get('light.test')

    assert state.attributes.get('val') == '100'


async def test_update_with_json_attrs_not_dict(hass, mqtt_mock, caplog):
    """Test attributes get extracted from a JSON result."""
    assert await async_setup_component(hass, light.DOMAIN, {
        light.DOMAIN: {
            'platform': 'mqtt',
            'name': 'test',
            'command_topic': 'test-topic',
            'json_attributes_topic': 'attr-topic'
        }
    })

    async_fire_mqtt_message(hass, 'attr-topic', '[ "list", "of", "things"]')
    state = hass.states.get('light.test')

    assert state.attributes.get('val') is None
    assert 'JSON result was not a dictionary' in caplog.text


async def test_update_with_json_attrs_bad_JSON(hass, mqtt_mock, caplog):
    """Test attributes get extracted from a JSON result."""
    assert await async_setup_component(hass, light.DOMAIN, {
        light.DOMAIN: {
            'platform': 'mqtt',
            'name': 'test',
            'command_topic': 'test-topic',
            'json_attributes_topic': 'attr-topic'
        }
    })

    async_fire_mqtt_message(hass, 'attr-topic', 'This is not JSON')

    state = hass.states.get('light.test')
    assert state.attributes.get('val') is None
    assert 'Erroneous JSON: This is not JSON' in caplog.text


async def test_discovery_update_attr(hass, mqtt_mock, caplog):
    """Test update of discovered MQTTAttributes."""
    entry = MockConfigEntry(domain=mqtt.DOMAIN)
    await async_start(hass, 'homeassistant', {}, entry)
    data1 = (
        '{ "name": "Beer",'
        '  "command_topic": "test_topic",'
        '  "json_attributes_topic": "attr-topic1" }'
    )
    data2 = (
        '{ "name": "Beer",'
        '  "command_topic": "test_topic",'
        '  "json_attributes_topic": "attr-topic2" }'
    )
    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data1)
    await hass.async_block_till_done()
    async_fire_mqtt_message(hass, 'attr-topic1', '{ "val": "100" }')
    state = hass.states.get('light.beer')
    assert state.attributes.get('val') == '100'

    # Change json_attributes_topic
    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data2)
    await hass.async_block_till_done()

    # Verify we are no longer subscribing to the old topic
    async_fire_mqtt_message(hass, 'attr-topic1', '{ "val": "50" }')
    state = hass.states.get('light.beer')
    assert state.attributes.get('val') == '100'

    # Verify we are subscribing to the new topic
    async_fire_mqtt_message(hass, 'attr-topic2', '{ "val": "75" }')
    state = hass.states.get('light.beer')
    assert state.attributes.get('val') == '75'


async def test_unique_id(hass):
    """Test unique id option only creates one light per unique_id."""
    await async_mock_mqtt_component(hass)
    assert await async_setup_component(hass, light.DOMAIN, {
        light.DOMAIN: [{
            'platform': 'mqtt',
            'name': 'Test 1',
            'state_topic': 'test-topic',
            'command_topic': 'test_topic',
            'unique_id': 'TOTALLY_UNIQUE'
        }, {
            'platform': 'mqtt',
            'name': 'Test 2',
            'state_topic': 'test-topic',
            'command_topic': 'test_topic',
            'unique_id': 'TOTALLY_UNIQUE'
        }]
    })
    async_fire_mqtt_message(hass, 'test-topic', 'payload')
    assert len(hass.states.async_entity_ids(light.DOMAIN)) == 1


async def test_discovery_removal_light(hass, mqtt_mock, caplog):
    """Test removal of discovered light."""
    entry = MockConfigEntry(domain=mqtt.DOMAIN)
    await async_start(hass, 'homeassistant', {}, entry)

    data = (
        '{ "name": "Beer",'
        '  "state_topic": "test_topic",'
        '  "command_topic": "test_topic" }'
    )

    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data)
    await hass.async_block_till_done()

    state = hass.states.get('light.beer')
    assert state is not None
    assert state.name == 'Beer'

    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            '')
    await hass.async_block_till_done()

    state = hass.states.get('light.beer')
    assert state is None


async def test_discovery_deprecated(hass, mqtt_mock, caplog):
    """Test discovery of mqtt light with deprecated platform option."""
    entry = MockConfigEntry(domain=mqtt.DOMAIN)
    await async_start(hass, 'homeassistant', {'mqtt': {}}, entry)
    data = (
        '{ "name": "Beer",'
        '  "platform": "mqtt",'
        '  "command_topic": "test_topic"}'
    )
    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data)
    await hass.async_block_till_done()
    state = hass.states.get('light.beer')
    assert state is not None
    assert state.name == 'Beer'


async def test_discovery_update_light(hass, mqtt_mock, caplog):
    """Test update of discovered light."""
    entry = MockConfigEntry(domain=mqtt.DOMAIN)
    await async_start(hass, 'homeassistant', {}, entry)

    data1 = (
        '{ "name": "Beer",'
        '  "state_topic": "test_topic",'
        '  "command_topic": "test_topic" }'
    )
    data2 = (
        '{ "name": "Milk",'
        '  "state_topic": "test_topic",'
        '  "command_topic": "test_topic" }'
    )

    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data1)
    await hass.async_block_till_done()

    state = hass.states.get('light.beer')
    assert state is not None
    assert state.name == 'Beer'

    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data2)
    await hass.async_block_till_done()

    state = hass.states.get('light.beer')
    assert state is not None
    assert state.name == 'Milk'
    state = hass.states.get('light.milk')
    assert state is None


async def test_discovery_broken(hass, mqtt_mock, caplog):
    """Test handling of bad discovery message."""
    entry = MockConfigEntry(domain=mqtt.DOMAIN)
    await async_start(hass, 'homeassistant', {}, entry)

    data1 = (
        '{ "name": "Beer" }'
    )
    data2 = (
        '{ "name": "Milk",'
        '  "state_topic": "test_topic",'
        '  "command_topic": "test_topic" }'
    )

    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data1)
    await hass.async_block_till_done()

    state = hass.states.get('light.beer')
    assert state is None

    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data2)
    await hass.async_block_till_done()

    state = hass.states.get('light.milk')
    assert state is not None
    assert state.name == 'Milk'
    state = hass.states.get('light.beer')
    assert state is None


async def test_entity_device_info_with_identifier(hass, mqtt_mock):
    """Test MQTT light device registry integration."""
    entry = MockConfigEntry(domain=mqtt.DOMAIN)
    entry.add_to_hass(hass)
    await async_start(hass, 'homeassistant', {}, entry)
    registry = await hass.helpers.device_registry.async_get_registry()

    data = json.dumps({
        'platform': 'mqtt',
        'name': 'Test 1',
        'state_topic': 'test-topic',
        'command_topic': 'test-topic',
        'device': {
            'identifiers': ['helloworld'],
            'connections': [
                ["mac", "02:5b:26:a8:dc:12"],
            ],
            'manufacturer': 'Whatever',
            'name': 'Beer',
            'model': 'Glass',
            'sw_version': '0.1-beta',
        },
        'unique_id': 'veryunique'
    })
    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data)
    await hass.async_block_till_done()

    device = registry.async_get_device({('mqtt', 'helloworld')}, set())
    assert device is not None
    assert device.identifiers == {('mqtt', 'helloworld')}
    assert device.connections == {('mac', "02:5b:26:a8:dc:12")}
    assert device.manufacturer == 'Whatever'
    assert device.name == 'Beer'
    assert device.model == 'Glass'
    assert device.sw_version == '0.1-beta'


async def test_entity_device_info_update(hass, mqtt_mock):
    """Test device registry update."""
    entry = MockConfigEntry(domain=mqtt.DOMAIN)
    entry.add_to_hass(hass)
    await async_start(hass, 'homeassistant', {}, entry)
    registry = await hass.helpers.device_registry.async_get_registry()

    config = {
        'platform': 'mqtt',
        'name': 'Test 1',
        'state_topic': 'test-topic',
        'command_topic': 'test-command-topic',
        'device': {
            'identifiers': ['helloworld'],
            'connections': [
                ["mac", "02:5b:26:a8:dc:12"],
            ],
            'manufacturer': 'Whatever',
            'name': 'Beer',
            'model': 'Glass',
            'sw_version': '0.1-beta',
        },
        'unique_id': 'veryunique'
    }

    data = json.dumps(config)
    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data)
    await hass.async_block_till_done()

    device = registry.async_get_device({('mqtt', 'helloworld')}, set())
    assert device is not None
    assert device.name == 'Beer'

    config['device']['name'] = 'Milk'
    data = json.dumps(config)
    async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
                            data)
    await hass.async_block_till_done()

    device = registry.async_get_device({('mqtt', 'helloworld')}, set())
    assert device is not None
    assert device.name == 'Milk'


async def test_entity_id_update(hass, mqtt_mock):
    """Test MQTT subscriptions are managed when entity_id is updated."""
    registry = mock_registry(hass, {})
    mock_mqtt = await async_mock_mqtt_component(hass)
    assert await async_setup_component(hass, light.DOMAIN, {
        light.DOMAIN: [{
            'platform': 'mqtt',
            'name': 'beer',
            'state_topic': 'test-topic',
            'command_topic': 'command-topic',
            'availability_topic': 'avty-topic',
            'unique_id': 'TOTALLY_UNIQUE'
        }]
    })

    state = hass.states.get('light.beer')
    assert state is not None
    assert mock_mqtt.async_subscribe.call_count == 2
    mock_mqtt.async_subscribe.assert_any_call('test-topic', ANY, 0, 'utf-8')
    mock_mqtt.async_subscribe.assert_any_call('avty-topic', ANY, 0, 'utf-8')
    mock_mqtt.async_subscribe.reset_mock()

    registry.async_update_entity('light.beer', new_entity_id='light.milk')
    await hass.async_block_till_done()

    state = hass.states.get('light.beer')
    assert state is None

    state = hass.states.get('light.milk')
    assert state is not None
    assert mock_mqtt.async_subscribe.call_count == 2
    mock_mqtt.async_subscribe.assert_any_call('test-topic', ANY, 0, 'utf-8')
    mock_mqtt.async_subscribe.assert_any_call('avty-topic', ANY, 0, 'utf-8')