"""The tests for the Event automation."""
import pytest

from homeassistant.core import Context
from homeassistant.setup import async_setup_component
import homeassistant.components.automation as automation

from tests.common import mock_component
from tests.components.automation import common
from tests.common import async_mock_service


@pytest.fixture
def calls(hass):
    """Track calls to a mock serivce."""
    return async_mock_service(hass, 'test', 'automation')


@pytest.fixture(autouse=True)
def setup_comp(hass):
    """Initialize components."""
    mock_component(hass, 'group')


async def test_if_fires_on_event(hass, calls):
    """Test the firing of events."""
    context = Context()

    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'event',
                'event_type': 'test_event',
            },
            'action': {
                'service': 'test.automation',
            }
        }
    })

    hass.bus.async_fire('test_event', context=context)
    await hass.async_block_till_done()
    assert 1 == len(calls)
    assert calls[0].context.parent_id == context.id

    await common.async_turn_off(hass)
    await hass.async_block_till_done()

    hass.bus.async_fire('test_event')
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_event_extra_data(hass, calls):
    """Test the firing of events still matches with event data."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'event',
                'event_type': 'test_event',
            },
            'action': {
                'service': 'test.automation',
            }
        }
    })

    hass.bus.async_fire('test_event', {'extra_key': 'extra_data'})
    await hass.async_block_till_done()
    assert 1 == len(calls)

    await common.async_turn_off(hass)
    await hass.async_block_till_done()

    hass.bus.async_fire('test_event')
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_event_with_data(hass, calls):
    """Test the firing of events with data."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'event',
                'event_type': 'test_event',
                'event_data': {'some_attr': 'some_value'}
            },
            'action': {
                'service': 'test.automation',
            }
        }
    })

    hass.bus.async_fire('test_event', {'some_attr': 'some_value',
                                       'another': 'value'})
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_event_with_empty_data_config(hass, calls):
    """Test the firing of events with empty data config.

    The frontend automation editor can produce configurations with an
    empty dict for event_data instead of no key.
    """
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'event',
                'event_type': 'test_event',
                'event_data': {}
            },
            'action': {
                'service': 'test.automation',
            }
        }
    })

    hass.bus.async_fire('test_event', {'some_attr': 'some_value',
                                       'another': 'value'})
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_event_with_nested_data(hass, calls):
    """Test the firing of events with nested data."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'event',
                'event_type': 'test_event',
                'event_data': {
                    'parent_attr': {
                        'some_attr': 'some_value'
                    }
                }
            },
            'action': {
                'service': 'test.automation',
            }
        }
    })

    hass.bus.async_fire('test_event', {
        'parent_attr': {
            'some_attr': 'some_value',
            'another': 'value'
        }
    })
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_not_fires_if_event_data_not_matches(hass, calls):
    """Test firing of event if no match."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'event',
                'event_type': 'test_event',
                'event_data': {'some_attr': 'some_value'}
            },
            'action': {
                'service': 'test.automation',
            }
        }
    })

    hass.bus.async_fire('test_event', {'some_attr': 'some_other_value'})
    await hass.async_block_till_done()
    assert 0 == len(calls)