"""Test check_config helper."""
import logging
import os  # noqa: F401 pylint: disable=unused-import
from unittest.mock import patch

from homeassistant.helpers.check_config import (
    async_check_ha_config_file, CheckConfigError)
from homeassistant.config import YAML_CONFIG_FILE
from tests.common import patch_yaml_files

_LOGGER = logging.getLogger(__name__)

BASE_CONFIG = (
    'homeassistant:\n'
    '  name: Home\n'
    '  latitude: -26.107361\n'
    '  longitude: 28.054500\n'
    '  elevation: 1600\n'
    '  unit_system: metric\n'
    '  time_zone: GMT\n'
    '\n\n'
)

BAD_CORE_CONFIG = (
    'homeassistant:\n'
    '  unit_system: bad\n'
    '\n\n'
)


def log_ha_config(conf):
    """Log the returned config."""
    cnt = 0
    _LOGGER.debug("CONFIG - %s lines - %s errors", len(conf), len(conf.errors))
    for key, val in conf.items():
        _LOGGER.debug("#%s - %s: %s", cnt, key, val)
        cnt += 1
    for cnt, err in enumerate(conf.errors):
        _LOGGER.debug("error[%s] = %s", cnt, err)


async def test_bad_core_config(hass, loop):
    """Test a bad core config setup."""
    files = {
        YAML_CONFIG_FILE: BAD_CORE_CONFIG,
    }
    with patch('os.path.isfile', return_value=True), patch_yaml_files(files):
        res = await async_check_ha_config_file(hass)
        log_ha_config(res)

        assert isinstance(res.errors[0].message, str)
        assert res.errors[0].domain == 'homeassistant'
        assert res.errors[0].config == {'unit_system': 'bad'}

        # Only 1 error expected
        res.errors.pop(0)
        assert not res.errors


async def test_config_platform_valid(hass, loop):
    """Test a valid platform setup."""
    files = {
        YAML_CONFIG_FILE: BASE_CONFIG + 'light:\n  platform: demo',
    }
    with patch('os.path.isfile', return_value=True), patch_yaml_files(files):
        res = await async_check_ha_config_file(hass)
        log_ha_config(res)

        assert res.keys() == {'homeassistant', 'light'}
        assert res['light'] == [{'platform': 'demo'}]
        assert not res.errors


async def test_component_platform_not_found(hass, loop):
    """Test errors if component or platform not found."""
    # Make sure they don't exist
    files = {
        YAML_CONFIG_FILE: BASE_CONFIG + 'beer:',
    }
    with patch('os.path.isfile', return_value=True), patch_yaml_files(files):
        res = await async_check_ha_config_file(hass)
        log_ha_config(res)

        assert res.keys() == {'homeassistant'}
        assert res.errors[0] == CheckConfigError(
            'Integration not found: beer', None, None)

        # Only 1 error expected
        res.errors.pop(0)
        assert not res.errors


async def test_component_platform_not_found_2(hass, loop):
    """Test errors if component or platform not found."""
    # Make sure they don't exist
    files = {
        YAML_CONFIG_FILE: BASE_CONFIG + 'light:\n  platform: beer',
    }
    with patch('os.path.isfile', return_value=True), patch_yaml_files(files):
        res = await async_check_ha_config_file(hass)
        log_ha_config(res)

        assert res.keys() == {'homeassistant', 'light'}
        assert res['light'] == []

        assert res.errors[0] == CheckConfigError(
            'Integration beer not found when trying to verify its '
            'light platform.', None, None)

        # Only 1 error expected
        res.errors.pop(0)
        assert not res.errors


async def test_package_invalid(hass, loop):
    """Test a valid platform setup."""
    files = {
        YAML_CONFIG_FILE: BASE_CONFIG + (
            '  packages:\n'
            '    p1:\n'
            '      group: ["a"]'),
    }
    with patch('os.path.isfile', return_value=True), patch_yaml_files(files):
        res = await async_check_ha_config_file(hass)
        log_ha_config(res)

        assert res.errors[0].domain == 'homeassistant.packages.p1.group'
        assert res.errors[0].config == {'group': ['a']}
        # Only 1 error expected
        res.errors.pop(0)
        assert not res.errors

        assert res.keys() == {'homeassistant'}


async def test_bootstrap_error(hass, loop):
    """Test a valid platform setup."""
    files = {
        YAML_CONFIG_FILE: BASE_CONFIG + 'automation: !include no.yaml',
    }
    with patch('os.path.isfile', return_value=True), patch_yaml_files(files):
        res = await async_check_ha_config_file(hass)
        log_ha_config(res)

        res.errors[0].domain is None

        # Only 1 error expected
        res.errors.pop(0)
        assert not res.errors