"""The tests for the WUnderground platform."""
import asyncio
import aiohttp

from pytest import raises

import homeassistant.components.wunderground.sensor as wunderground
from homeassistant.const import TEMP_CELSIUS, LENGTH_INCHES, STATE_UNKNOWN
from homeassistant.exceptions import PlatformNotReady
from homeassistant.setup import async_setup_component
from tests.common import load_fixture, assert_setup_component

VALID_CONFIG_PWS = {
    'platform': 'wunderground',
    'api_key': 'foo',
    'pws_id': 'bar',
    'monitored_conditions': [
        'weather', 'feelslike_c', 'alerts', 'elevation', 'location'
    ]
}

VALID_CONFIG = {
    'platform': 'wunderground',
    'api_key': 'foo',
    'lang': 'EN',
    'monitored_conditions': [
        'weather', 'feelslike_c', 'alerts', 'elevation', 'location',
        'weather_1d_metric', 'precip_1d_in'
    ]
}

INVALID_CONFIG = {
    'platform': 'wunderground',
    'api_key': 'BOB',
    'pws_id': 'bar',
    'lang': 'foo',
    'monitored_conditions': [
        'weather', 'feelslike_c', 'alerts'
    ]
}

URL = 'http://api.wunderground.com/api/foo/alerts/conditions/forecast/lang' \
      ':EN/q/32.87336,-117.22743.json'
PWS_URL = 'http://api.wunderground.com/api/foo/alerts/conditions/' \
          'lang:EN/q/pws:bar.json'
INVALID_URL = 'http://api.wunderground.com/api/BOB/alerts/conditions/' \
              'lang:foo/q/pws:bar.json'


@asyncio.coroutine
def test_setup(hass, aioclient_mock):
    """Test that the component is loaded."""
    aioclient_mock.get(URL, text=load_fixture('wunderground-valid.json'))

    with assert_setup_component(1, 'sensor'):
        yield from async_setup_component(hass, 'sensor',
                                         {'sensor': VALID_CONFIG})


@asyncio.coroutine
def test_setup_pws(hass, aioclient_mock):
    """Test that the component is loaded with PWS id."""
    aioclient_mock.get(PWS_URL, text=load_fixture('wunderground-valid.json'))

    with assert_setup_component(1, 'sensor'):
        yield from async_setup_component(hass, 'sensor',
                                         {'sensor': VALID_CONFIG_PWS})


@asyncio.coroutine
def test_setup_invalid(hass, aioclient_mock):
    """Test that the component is not loaded with invalid config."""
    aioclient_mock.get(INVALID_URL,
                       text=load_fixture('wunderground-error.json'))

    with assert_setup_component(0, 'sensor'):
        yield from async_setup_component(hass, 'sensor',
                                         {'sensor': INVALID_CONFIG})


@asyncio.coroutine
def test_sensor(hass, aioclient_mock):
    """Test the WUnderground sensor class and methods."""
    aioclient_mock.get(URL, text=load_fixture('wunderground-valid.json'))

    yield from async_setup_component(hass, 'sensor', {'sensor': VALID_CONFIG})

    state = hass.states.get('sensor.pws_weather')
    assert state.state == 'Clear'
    assert state.name == "Weather Summary"
    assert 'unit_of_measurement' not in state.attributes
    assert state.attributes['entity_picture'] == \
        'https://icons.wxug.com/i/c/k/clear.gif'

    state = hass.states.get('sensor.pws_alerts')
    assert state.state == '1'
    assert state.name == 'Alerts'
    assert state.attributes['Message'] == \
        "This is a test alert message"
    assert state.attributes['icon'] == 'mdi:alert-circle-outline'
    assert 'entity_picture' not in state.attributes

    state = hass.states.get('sensor.pws_location')
    assert state.state == "Holly Springs, NC"
    assert state.name == 'Location'

    state = hass.states.get('sensor.pws_elevation')
    assert state.state == '413'
    assert state.name == 'Elevation'

    state = hass.states.get('sensor.pws_feelslike_c')
    assert state.state == '40'
    assert state.name == "Feels Like"
    assert 'entity_picture' not in state.attributes
    assert state.attributes['unit_of_measurement'] == TEMP_CELSIUS

    state = hass.states.get('sensor.pws_weather_1d_metric')
    assert state.state == "Mostly Cloudy. Fog overnight."
    assert state.name == 'Tuesday'

    state = hass.states.get('sensor.pws_precip_1d_in')
    assert state.state == '0.03'
    assert state.name == "Precipitation Intensity Today"
    assert state.attributes['unit_of_measurement'] == LENGTH_INCHES


@asyncio.coroutine
def test_connect_failed(hass, aioclient_mock):
    """Test the WUnderground connection error."""
    aioclient_mock.get(URL, exc=aiohttp.ClientError())
    with raises(PlatformNotReady):
        yield from wunderground.async_setup_platform(hass, VALID_CONFIG,
                                                     lambda _: None)


@asyncio.coroutine
def test_invalid_data(hass, aioclient_mock):
    """Test the WUnderground invalid data."""
    aioclient_mock.get(URL, text=load_fixture('wunderground-invalid.json'))

    yield from async_setup_component(hass, 'sensor', {'sensor': VALID_CONFIG})

    for condition in VALID_CONFIG['monitored_conditions']:
        state = hass.states.get('sensor.pws_' + condition)
        assert state.state == STATE_UNKNOWN


async def test_entity_id_with_multiple_stations(hass, aioclient_mock):
    """Test not generating duplicate entity ids with multiple stations."""
    aioclient_mock.get(URL, text=load_fixture('wunderground-valid.json'))
    aioclient_mock.get(PWS_URL, text=load_fixture('wunderground-valid.json'))

    config = [
        VALID_CONFIG,
        {**VALID_CONFIG_PWS, 'entity_namespace': 'hi'}
    ]
    await async_setup_component(hass, 'sensor', {'sensor': config})
    await hass.async_block_till_done()

    state = hass.states.get('sensor.pws_weather')
    assert state is not None
    assert state.state == 'Clear'

    state = hass.states.get('sensor.hi_pws_weather')
    assert state is not None
    assert state.state == 'Clear'


async def test_fails_because_of_unique_id(hass, aioclient_mock):
    """Test same config twice fails because of unique_id."""
    aioclient_mock.get(URL, text=load_fixture('wunderground-valid.json'))
    aioclient_mock.get(PWS_URL, text=load_fixture('wunderground-valid.json'))

    config = [
        VALID_CONFIG,
        {**VALID_CONFIG, 'entity_namespace': 'hi'},
        VALID_CONFIG_PWS
    ]
    await async_setup_component(hass, 'sensor', {'sensor': config})
    await hass.async_block_till_done()

    states = hass.states.async_all()
    expected = len(VALID_CONFIG['monitored_conditions']) + \
        len(VALID_CONFIG_PWS['monitored_conditions'])
    assert len(states) == expected