"""Basic checks for HomeKitclimate."""
from homeassistant.components.climate.const import (
    DOMAIN, SERVICE_SET_HVAC_MODE, SERVICE_SET_TEMPERATURE,
    HVAC_MODE_HEAT_COOL, HVAC_MODE_COOL, HVAC_MODE_HEAT, HVAC_MODE_OFF,
    SERVICE_SET_HUMIDITY)
from tests.components.homekit_controller.common import (
    FakeService, setup_test_component)


HEATING_COOLING_TARGET = ('thermostat', 'heating-cooling.target')
HEATING_COOLING_CURRENT = ('thermostat', 'heating-cooling.current')
TEMPERATURE_TARGET = ('thermostat', 'temperature.target')
TEMPERATURE_CURRENT = ('thermostat', 'temperature.current')
HUMIDITY_TARGET = ('thermostat', 'relative-humidity.target')
HUMIDITY_CURRENT = ('thermostat', 'relative-humidity.current')


def create_thermostat_service():
    """Define thermostat characteristics."""
    service = FakeService('public.hap.service.thermostat')

    char = service.add_characteristic('heating-cooling.target')
    char.value = 0

    char = service.add_characteristic('heating-cooling.current')
    char.value = 0

    char = service.add_characteristic('temperature.target')
    char.value = 0

    char = service.add_characteristic('temperature.current')
    char.value = 0

    char = service.add_characteristic('relative-humidity.target')
    char.value = 0

    char = service.add_characteristic('relative-humidity.current')
    char.value = 0

    return service


async def test_climate_respect_supported_op_modes_1(hass, utcnow):
    """Test that climate respects minValue/maxValue hints."""
    service = FakeService('public.hap.service.thermostat')
    char = service.add_characteristic('heating-cooling.target')
    char.value = 0
    char.minValue = 0
    char.maxValue = 1

    helper = await setup_test_component(hass, [service])

    state = await helper.poll_and_get_state()
    assert state.attributes['hvac_modes'] == ['off', 'heat']


async def test_climate_respect_supported_op_modes_2(hass, utcnow):
    """Test that climate respects validValue hints."""
    service = FakeService('public.hap.service.thermostat')
    char = service.add_characteristic('heating-cooling.target')
    char.value = 0
    char.valid_values = [0, 1, 2]

    helper = await setup_test_component(hass, [service])

    state = await helper.poll_and_get_state()
    assert state.attributes['hvac_modes'] == ['off', 'heat', 'cool']


async def test_climate_change_thermostat_state(hass, utcnow):
    """Test that we can turn a HomeKit thermostat on and off again."""
    from homekit.model.services import ThermostatService

    helper = await setup_test_component(hass, [ThermostatService()])

    await hass.services.async_call(DOMAIN, SERVICE_SET_HVAC_MODE, {
        'entity_id': 'climate.testdevice',
        'hvac_mode': HVAC_MODE_HEAT,
    }, blocking=True)

    assert helper.characteristics[HEATING_COOLING_TARGET].value == 1

    await hass.services.async_call(DOMAIN, SERVICE_SET_HVAC_MODE, {
        'entity_id': 'climate.testdevice',
        'hvac_mode': HVAC_MODE_COOL,
    }, blocking=True)
    assert helper.characteristics[HEATING_COOLING_TARGET].value == 2

    await hass.services.async_call(DOMAIN, SERVICE_SET_HVAC_MODE, {
        'entity_id': 'climate.testdevice',
        'hvac_mode': HVAC_MODE_HEAT_COOL,
    }, blocking=True)
    assert helper.characteristics[HEATING_COOLING_TARGET].value == 3

    await hass.services.async_call(DOMAIN, SERVICE_SET_HVAC_MODE, {
        'entity_id': 'climate.testdevice',
        'hvac_mode': HVAC_MODE_OFF,
    }, blocking=True)
    assert helper.characteristics[HEATING_COOLING_TARGET].value == 0


async def test_climate_change_thermostat_temperature(hass, utcnow):
    """Test that we can turn a HomeKit thermostat on and off again."""
    from homekit.model.services import ThermostatService

    helper = await setup_test_component(hass, [ThermostatService()])

    await hass.services.async_call(DOMAIN, SERVICE_SET_TEMPERATURE, {
        'entity_id': 'climate.testdevice',
        'temperature': 21,
    }, blocking=True)
    assert helper.characteristics[TEMPERATURE_TARGET].value == 21

    await hass.services.async_call(DOMAIN, SERVICE_SET_TEMPERATURE, {
        'entity_id': 'climate.testdevice',
        'temperature': 25,
    }, blocking=True)
    assert helper.characteristics[TEMPERATURE_TARGET].value == 25


async def test_climate_change_thermostat_humidity(hass, utcnow):
    """Test that we can turn a HomeKit thermostat on and off again."""
    helper = await setup_test_component(hass, [create_thermostat_service()])

    await hass.services.async_call(DOMAIN, SERVICE_SET_HUMIDITY, {
        'entity_id': 'climate.testdevice',
        'humidity': 50,
    }, blocking=True)
    assert helper.characteristics[HUMIDITY_TARGET].value == 50

    await hass.services.async_call(DOMAIN, SERVICE_SET_HUMIDITY, {
        'entity_id': 'climate.testdevice',
        'humidity': 45,
    }, blocking=True)
    assert helper.characteristics[HUMIDITY_TARGET].value == 45


async def test_climate_read_thermostat_state(hass, utcnow):
    """Test that we can read the state of a HomeKit thermostat accessory."""
    helper = await setup_test_component(hass, [create_thermostat_service()])

    # Simulate that heating is on
    helper.characteristics[TEMPERATURE_CURRENT].value = 19
    helper.characteristics[TEMPERATURE_TARGET].value = 21
    helper.characteristics[HEATING_COOLING_CURRENT].value = 1
    helper.characteristics[HEATING_COOLING_TARGET].value = 1
    helper.characteristics[HUMIDITY_CURRENT].value = 50
    helper.characteristics[HUMIDITY_TARGET].value = 45

    state = await helper.poll_and_get_state()
    assert state.state == HVAC_MODE_HEAT
    assert state.attributes['current_temperature'] == 19
    assert state.attributes['current_humidity'] == 50
    assert state.attributes['min_temp'] == 7
    assert state.attributes['max_temp'] == 35

    # Simulate that cooling is on
    helper.characteristics[TEMPERATURE_CURRENT].value = 21
    helper.characteristics[TEMPERATURE_TARGET].value = 19
    helper.characteristics[HEATING_COOLING_CURRENT].value = 2
    helper.characteristics[HEATING_COOLING_TARGET].value = 2
    helper.characteristics[HUMIDITY_CURRENT].value = 45
    helper.characteristics[HUMIDITY_TARGET].value = 45

    state = await helper.poll_and_get_state()
    assert state.state == HVAC_MODE_COOL
    assert state.attributes['current_temperature'] == 21
    assert state.attributes['current_humidity'] == 45

    # Simulate that we are in heat/cool mode
    helper.characteristics[TEMPERATURE_CURRENT].value = 21
    helper.characteristics[TEMPERATURE_TARGET].value = 21
    helper.characteristics[HEATING_COOLING_CURRENT].value = 0
    helper.characteristics[HEATING_COOLING_TARGET].value = 3

    state = await helper.poll_and_get_state()
    assert state.state == HVAC_MODE_HEAT_COOL


async def test_hvac_mode_vs_hvac_action(hass, utcnow):
    """Check that we haven't conflated hvac_mode and hvac_action."""
    helper = await setup_test_component(hass, [create_thermostat_service()])

    # Simulate that current temperature is above target temp
    # Heating might be on, but hvac_action currently 'off'
    helper.characteristics[TEMPERATURE_CURRENT].value = 22
    helper.characteristics[TEMPERATURE_TARGET].value = 21
    helper.characteristics[HEATING_COOLING_CURRENT].value = 0
    helper.characteristics[HEATING_COOLING_TARGET].value = 1
    helper.characteristics[HUMIDITY_CURRENT].value = 50
    helper.characteristics[HUMIDITY_TARGET].value = 45

    state = await helper.poll_and_get_state()
    assert state.state == 'heat'
    assert state.attributes['hvac_action'] == 'off'

    # Simulate that current temperature is below target temp
    # Heating might be on and hvac_action currently 'heat'
    helper.characteristics[TEMPERATURE_CURRENT].value = 19
    helper.characteristics[HEATING_COOLING_CURRENT].value = 1

    state = await helper.poll_and_get_state()
    assert state.state == 'heat'
    assert state.attributes['hvac_action'] == 'heating'