"""The tests for the Input text component."""
# pylint: disable=protected-access
import asyncio

from homeassistant.components.input_text import (
    ATTR_VALUE, DOMAIN, SERVICE_SET_VALUE)
from homeassistant.const import ATTR_ENTITY_ID
from homeassistant.core import CoreState, State, Context
from homeassistant.loader import bind_hass
from homeassistant.setup import async_setup_component

from tests.common import mock_restore_cache


@bind_hass
def set_value(hass, entity_id, value):
    """Set input_text to value.

    This is a legacy helper method. Do not use it for new tests.
    """
    hass.async_create_task(hass.services.async_call(
        DOMAIN, SERVICE_SET_VALUE, {
            ATTR_ENTITY_ID: entity_id,
            ATTR_VALUE: value,
        }))


async def test_config(hass):
    """Test config."""
    invalid_configs = [
        None,
        {},
        {'name with space': None},
        {'test_1': {
            'min': 50,
            'max': 50,
        }},
    ]
    for cfg in invalid_configs:
        assert not await async_setup_component(hass, DOMAIN, {DOMAIN: cfg})


async def test_set_value(hass):
    """Test set_value method."""
    assert await async_setup_component(hass, DOMAIN, {DOMAIN: {
        'test_1': {
            'initial': 'test',
            'min': 3,
            'max': 10,
        },
    }})
    entity_id = 'input_text.test_1'

    state = hass.states.get(entity_id)
    assert 'test' == str(state.state)

    set_value(hass, entity_id, 'testing')
    await hass.async_block_till_done()

    state = hass.states.get(entity_id)
    assert 'testing' == str(state.state)

    set_value(hass, entity_id, 'testing too long')
    await hass.async_block_till_done()

    state = hass.states.get(entity_id)
    assert 'testing' == str(state.state)


async def test_mode(hass):
    """Test mode settings."""
    assert await async_setup_component(hass, DOMAIN, {DOMAIN: {
            'test_default_text': {
                'initial': 'test',
                'min': 3,
                'max': 10,
            },
            'test_explicit_text': {
                'initial': 'test',
                'min': 3,
                'max': 10,
                'mode': 'text',
            },
            'test_explicit_password': {
                'initial': 'test',
                'min': 3,
                'max': 10,
                'mode': 'password',
            },
        }})

    state = hass.states.get('input_text.test_default_text')
    assert state
    assert 'text' == state.attributes['mode']

    state = hass.states.get('input_text.test_explicit_text')
    assert state
    assert 'text' == state.attributes['mode']

    state = hass.states.get('input_text.test_explicit_password')
    assert state
    assert 'password' == state.attributes['mode']


@asyncio.coroutine
def test_restore_state(hass):
    """Ensure states are restored on startup."""
    mock_restore_cache(hass, (
        State('input_text.b1', 'test'),
        State('input_text.b2', 'testing too long'),
    ))

    hass.state = CoreState.starting

    yield from async_setup_component(hass, DOMAIN, {
        DOMAIN: {
            'b1': {
                'min': 0,
                'max': 10,
            },
            'b2': {
                'min': 0,
                'max': 10,
            },
        }})

    state = hass.states.get('input_text.b1')
    assert state
    assert str(state.state) == 'test'

    state = hass.states.get('input_text.b2')
    assert state
    assert str(state.state) == 'unknown'


@asyncio.coroutine
def test_initial_state_overrules_restore_state(hass):
    """Ensure states are restored on startup."""
    mock_restore_cache(hass, (
        State('input_text.b1', 'testing'),
        State('input_text.b2', 'testing too long'),
    ))

    hass.state = CoreState.starting

    yield from async_setup_component(hass, DOMAIN, {
        DOMAIN: {
            'b1': {
                'initial': 'test',
                'min': 0,
                'max': 10,
            },
            'b2': {
                'initial': 'test',
                'min': 0,
                'max': 10,
            },
        }})

    state = hass.states.get('input_text.b1')
    assert state
    assert str(state.state) == 'test'

    state = hass.states.get('input_text.b2')
    assert state
    assert str(state.state) == 'test'


@asyncio.coroutine
def test_no_initial_state_and_no_restore_state(hass):
    """Ensure that entity is create without initial and restore feature."""
    hass.state = CoreState.starting

    yield from async_setup_component(hass, DOMAIN, {
        DOMAIN: {
            'b1': {
                'min': 0,
                'max': 100,
            },
        }})

    state = hass.states.get('input_text.b1')
    assert state
    assert str(state.state) == 'unknown'


async def test_input_text_context(hass):
    """Test that input_text context works."""
    assert await async_setup_component(hass, 'input_text', {
        'input_text': {
            't1': {
                'initial': 'bla',
            }
        }
    })

    state = hass.states.get('input_text.t1')
    assert state is not None

    await hass.services.async_call('input_text', 'set_value', {
        'entity_id': state.entity_id,
        'value': 'new_value',
    }, True, Context(user_id='abcd'))

    state2 = hass.states.get('input_text.t1')
    assert state2 is not None
    assert state.state != state2.state
    assert state2.context.user_id == 'abcd'