"""The tests for the Template automation."""
from datetime import timedelta
from unittest import mock

import pytest

from homeassistant.core import Context
from homeassistant.setup import async_setup_component
import homeassistant.util.dt as dt_util
import homeassistant.components.automation as automation

from tests.common import (
    async_fire_time_changed, assert_setup_component, 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')
    hass.states.async_set('test.entity', 'hello')


async def test_if_fires_on_change_bool(hass, calls):
    """Test for firing on boolean change."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ true }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 1 == len(calls)

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

    hass.states.async_set('test.entity', 'planet')
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_change_str(hass, calls):
    """Test for firing on change."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ "true" }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_change_str_crazy(hass, calls):
    """Test for firing on change."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ "TrUE" }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_not_fires_on_change_bool(hass, calls):
    """Test for not firing on boolean change."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ false }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)


async def test_if_not_fires_on_change_str(hass, calls):
    """Test for not firing on string change."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': 'true',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)


async def test_if_not_fires_on_change_str_crazy(hass, calls):
    """Test for not firing on string change."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ "Anything other than true is false." }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)


async def test_if_fires_on_no_change(hass, calls):
    """Test for firing on no change."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ true }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    await hass.async_block_till_done()
    cur_len = len(calls)

    hass.states.async_set('test.entity', 'hello')
    await hass.async_block_till_done()
    assert cur_len == len(calls)


async def test_if_fires_on_two_change(hass, calls):
    """Test for firing on two changes."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ true }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    # Trigger once
    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 1 == len(calls)

    # Trigger again
    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_change_with_template(hass, calls):
    """Test for firing on change with template."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ is_state("test.entity", "world") }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_not_fires_on_change_with_template(hass, calls):
    """Test for not firing on change with template."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ is_state("test.entity", "hello") }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    await hass.async_block_till_done()

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert len(calls) == 0


async def test_if_fires_on_change_with_template_advanced(hass, calls):
    """Test for firing on change with template advanced."""
    context = Context()
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ is_state("test.entity", "world") }}'
            },
            'action': {
                'service': 'test.automation',
                'data_template': {
                    'some':
                    '{{ trigger.%s }}' % '}} - {{ trigger.'.join((
                        'platform', 'entity_id', 'from_state.state',
                        'to_state.state'))
                },
            }
        }
    })

    await hass.async_block_till_done()

    hass.states.async_set('test.entity', 'world', context=context)
    await hass.async_block_till_done()
    assert 1 == len(calls)
    assert calls[0].context.parent_id == context.id
    assert 'template - test.entity - hello - world' == \
        calls[0].data['some']


async def test_if_fires_on_no_change_with_template_advanced(hass, calls):
    """Test for firing on no change with template advanced."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '''{%- if is_state("test.entity", "world") -%}
                                        true
                                        {%- else -%}
                                        false
                                        {%- endif -%}''',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    # Different state
    hass.states.async_set('test.entity', 'worldz')
    await hass.async_block_till_done()
    assert 0 == len(calls)

    # Different state
    hass.states.async_set('test.entity', 'hello')
    await hass.async_block_till_done()
    assert 0 == len(calls)


async def test_if_fires_on_change_with_template_2(hass, calls):
    """Test for firing on change with template."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template':
                '{{ not is_state("test.entity", "world") }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    await hass.async_block_till_done()

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert len(calls) == 0

    hass.states.async_set('test.entity', 'home')
    await hass.async_block_till_done()
    assert len(calls) == 1

    hass.states.async_set('test.entity', 'work')
    await hass.async_block_till_done()
    assert len(calls) == 1

    hass.states.async_set('test.entity', 'not_home')
    await hass.async_block_till_done()
    assert len(calls) == 1

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert len(calls) == 1

    hass.states.async_set('test.entity', 'home')
    await hass.async_block_till_done()
    assert len(calls) == 2


async def test_if_action(hass, calls):
    """Test for firing if action."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'event',
                'event_type': 'test_event',
            },
            'condition': [{
                'condition': 'template',
                'value_template': '{{ is_state("test.entity", "world") }}'
            }],
            'action': {
                'service': 'test.automation'
            }
        }
    })

    # Condition is not true yet
    hass.bus.async_fire('test_event')
    await hass.async_block_till_done()
    assert 0 == len(calls)

    # Change condition to true, but it shouldn't be triggered yet
    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)

    # Condition is true and event is triggered
    hass.bus.async_fire('test_event')
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_change_with_bad_template(hass, calls):
    """Test for firing on change with bad template."""
    with assert_setup_component(0, automation.DOMAIN):
        assert await async_setup_component(hass, automation.DOMAIN, {
            automation.DOMAIN: {
                'trigger': {
                    'platform': 'template',
                    'value_template': '{{ ',
                },
                'action': {
                    'service': 'test.automation'
                }
            }
        })


async def test_if_fires_on_change_with_bad_template_2(hass, calls):
    """Test for firing on change with bad template."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': '{{ xyz | round(0) }}',
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)


async def test_wait_template_with_trigger(hass, calls):
    """Test using wait template with 'trigger.entity_id'."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template':
                    "{{ states.test.entity.state == 'world' }}",
            },
            'action': [
                {'wait_template':
                    "{{ is_state(trigger.entity_id, 'hello') }}"},
                {'service': 'test.automation',
                 'data_template': {
                    'some':
                    '{{ trigger.%s }}' % '}} - {{ trigger.'.join((
                        'platform', 'entity_id', 'from_state.state',
                        'to_state.state'))
                    }}
            ],
        }
    })

    await hass.async_block_till_done()

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    hass.states.async_set('test.entity', 'hello')
    await hass.async_block_till_done()
    assert 1 == len(calls)
    assert 'template - test.entity - hello - world' == \
        calls[0].data['some']


async def test_if_fires_on_change_with_for(hass, calls):
    """Test for firing on change with for."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': "{{ is_state('test.entity', 'world') }}",
                'for': {
                    'seconds': 5
                },
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)
    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=10))
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_not_fires_on_change_with_for(hass, calls):
    """Test for firing on change with for."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': "{{ is_state('test.entity', 'world') }}",
                'for': {
                    'seconds': 5
                },
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)
    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=4))
    await hass.async_block_till_done()
    assert 0 == len(calls)
    hass.states.async_set('test.entity', 'hello')
    await hass.async_block_till_done()
    assert 0 == len(calls)
    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=6))
    await hass.async_block_till_done()
    assert 0 == len(calls)


async def test_if_not_fires_when_turned_off_with_for(hass, calls):
    """Test for firing on change with for."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': "{{ is_state('test.entity', 'world') }}",
                'for': {
                    'seconds': 5
                },
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)
    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=4))
    await hass.async_block_till_done()
    assert 0 == len(calls)
    await common.async_turn_off(hass)
    await hass.async_block_till_done()
    assert 0 == len(calls)
    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=6))
    await hass.async_block_till_done()
    assert 0 == len(calls)


async def test_if_fires_on_change_with_for_template_1(hass, calls):
    """Test for firing on change with for template."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': "{{ is_state('test.entity', 'world') }}",
                'for': {
                    'seconds': "{{ 5 }}"
                },
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)
    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=10))
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_change_with_for_template_2(hass, calls):
    """Test for firing on change with for template."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': "{{ is_state('test.entity', 'world') }}",
                'for': "{{ 5 }}",
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)
    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=10))
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_if_fires_on_change_with_for_template_3(hass, calls):
    """Test for firing on change with for template."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': "{{ is_state('test.entity', 'world') }}",
                'for': "00:00:{{ 5 }}",
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    hass.states.async_set('test.entity', 'world')
    await hass.async_block_till_done()
    assert 0 == len(calls)
    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=10))
    await hass.async_block_till_done()
    assert 1 == len(calls)


async def test_invalid_for_template_1(hass, calls):
    """Test for invalid for template."""
    assert await async_setup_component(hass, automation.DOMAIN, {
        automation.DOMAIN: {
            'trigger': {
                'platform': 'template',
                'value_template': "{{ is_state('test.entity', 'world') }}",
                'for': {
                    'seconds': "{{ five }}"
                },
            },
            'action': {
                'service': 'test.automation'
            }
        }
    })

    with mock.patch.object(automation.template, '_LOGGER') as mock_logger:
        hass.states.async_set('test.entity', 'world')
        await hass.async_block_till_done()
        assert mock_logger.error.called