"""Test configuration and mocks for the SmartThings component."""
from uuid import uuid4

from asynctest import Mock, patch
from pysmartthings import (
    CLASSIFICATION_AUTOMATION, AppEntity, AppOAuthClient, AppSettings,
    DeviceEntity, DeviceStatus, InstalledApp, InstalledAppStatus,
    InstalledAppType, Location, SceneEntity, SmartThings, Subscription)
from pysmartthings.api import Api
import pytest

from homeassistant.components import webhook
from homeassistant.components.smartthings import DeviceBroker
from homeassistant.components.smartthings.const import (
    APP_NAME_PREFIX, CONF_APP_ID, CONF_INSTALLED_APP_ID, CONF_INSTANCE_ID,
    CONF_LOCATION_ID, CONF_OAUTH_CLIENT_ID, CONF_OAUTH_CLIENT_SECRET,
    CONF_REFRESH_TOKEN, DATA_BROKERS, DOMAIN, SETTINGS_INSTANCE_ID,
    STORAGE_KEY, STORAGE_VERSION)
from homeassistant.config_entries import (
    CONN_CLASS_CLOUD_PUSH, SOURCE_USER, ConfigEntry)
from homeassistant.const import CONF_ACCESS_TOKEN, CONF_WEBHOOK_ID
from homeassistant.setup import async_setup_component

from tests.common import MockConfigEntry

COMPONENT_PREFIX = "homeassistant.components.smartthings."


async def setup_platform(hass, platform: str, *,
                         devices=None, scenes=None):
    """Set up the SmartThings platform and prerequisites."""
    hass.config.components.add(DOMAIN)
    config_entry = ConfigEntry(2, DOMAIN, "Test",
                               {CONF_INSTALLED_APP_ID:  str(uuid4())},
                               SOURCE_USER, CONN_CLASS_CLOUD_PUSH)
    broker = DeviceBroker(hass, config_entry, Mock(), Mock(),
                          devices or [], scenes or [])

    hass.data[DOMAIN] = {
        DATA_BROKERS: {
            config_entry.entry_id: broker
        }
    }
    await hass.config_entries.async_forward_entry_setup(
        config_entry, platform)
    await hass.async_block_till_done()
    return config_entry


@pytest.fixture(autouse=True)
async def setup_component(hass, config_file, hass_storage):
    """Load the SmartThing component."""
    hass_storage[STORAGE_KEY] = {'data': config_file,
                                 "version": STORAGE_VERSION}
    await async_setup_component(hass, 'smartthings', {})
    hass.config.api.base_url = 'https://test.local'


def _create_location():
    loc = Mock(Location)
    loc.name = 'Test Location'
    loc.location_id = str(uuid4())
    return loc


@pytest.fixture(name='location')
def location_fixture():
    """Fixture for a single location."""
    return _create_location()


@pytest.fixture(name='locations')
def locations_fixture(location):
    """Fixture for 2 locations."""
    return [location, _create_location()]


@pytest.fixture(name="app")
def app_fixture(hass, config_file):
    """Fixture for a single app."""
    app = Mock(AppEntity)
    app.app_name = APP_NAME_PREFIX + str(uuid4())
    app.app_id = str(uuid4())
    app.app_type = 'WEBHOOK_SMART_APP'
    app.classifications = [CLASSIFICATION_AUTOMATION]
    app.display_name = 'Home Assistant'
    app.description = hass.config.location_name + " at " + \
        hass.config.api.base_url
    app.single_instance = True
    app.webhook_target_url = webhook.async_generate_url(
        hass, hass.data[DOMAIN][CONF_WEBHOOK_ID])

    settings = Mock(AppSettings)
    settings.app_id = app.app_id
    settings.settings = {SETTINGS_INSTANCE_ID: config_file[CONF_INSTANCE_ID]}
    app.settings.return_value = settings
    return app


@pytest.fixture(name="app_oauth_client")
def app_oauth_client_fixture():
    """Fixture for a single app's oauth."""
    client = Mock(AppOAuthClient)
    client.client_id = str(uuid4())
    client.client_secret = str(uuid4())
    return client


@pytest.fixture(name='app_settings')
def app_settings_fixture(app, config_file):
    """Fixture for an app settings."""
    settings = Mock(AppSettings)
    settings.app_id = app.app_id
    settings.settings = {SETTINGS_INSTANCE_ID: config_file[CONF_INSTANCE_ID]}
    return settings


def _create_installed_app(location_id, app_id):
    item = Mock(InstalledApp)
    item.installed_app_id = str(uuid4())
    item.installed_app_status = InstalledAppStatus.AUTHORIZED
    item.installed_app_type = InstalledAppType.WEBHOOK_SMART_APP
    item.app_id = app_id
    item.location_id = location_id
    return item


@pytest.fixture(name='installed_app')
def installed_app_fixture(location, app):
    """Fixture for a single installed app."""
    return _create_installed_app(location.location_id, app.app_id)


@pytest.fixture(name='installed_apps')
def installed_apps_fixture(installed_app, locations, app):
    """Fixture for 2 installed apps."""
    return [installed_app,
            _create_installed_app(locations[1].location_id, app.app_id)]


@pytest.fixture(name='config_file')
def config_file_fixture():
    """Fixture representing the local config file contents."""
    return {
        CONF_INSTANCE_ID: str(uuid4()),
        CONF_WEBHOOK_ID: webhook.generate_secret()
    }


@pytest.fixture(name='smartthings_mock')
def smartthings_mock_fixture(locations):
    """Fixture to mock smartthings API calls."""
    async def _location(location_id):
        return next(location for location in locations
                    if location.location_id == location_id)

    smartthings_mock = Mock(SmartThings)
    smartthings_mock.location.side_effect = _location
    mock = Mock(return_value=smartthings_mock)
    with patch(COMPONENT_PREFIX + "SmartThings", new=mock), \
            patch(COMPONENT_PREFIX + "config_flow.SmartThings", new=mock), \
            patch(COMPONENT_PREFIX + "smartapp.SmartThings", new=mock):
        yield smartthings_mock


@pytest.fixture(name='device')
def device_fixture(location):
    """Fixture representing devices loaded."""
    item = Mock(DeviceEntity)
    item.device_id = "743de49f-036f-4e9c-839a-2f89d57607db"
    item.name = "GE In-Wall Smart Dimmer"
    item.label = "Front Porch Lights"
    item.location_id = location.location_id
    item.capabilities = [
        "switch", "switchLevel", "refresh", "indicator", "sensor", "actuator",
        "healthCheck", "light"
    ]
    item.components = {"main": item.capabilities}
    item.status = Mock(DeviceStatus)
    return item


@pytest.fixture(name='config_entry')
def config_entry_fixture(hass, installed_app, location):
    """Fixture representing a config entry."""
    data = {
        CONF_ACCESS_TOKEN: str(uuid4()),
        CONF_INSTALLED_APP_ID: installed_app.installed_app_id,
        CONF_APP_ID: installed_app.app_id,
        CONF_LOCATION_ID: location.location_id,
        CONF_REFRESH_TOKEN: str(uuid4()),
        CONF_OAUTH_CLIENT_ID: str(uuid4()),
        CONF_OAUTH_CLIENT_SECRET: str(uuid4())
    }
    return MockConfigEntry(domain=DOMAIN, data=data, title=location.name,
                           version=2, source=SOURCE_USER,
                           connection_class=CONN_CLASS_CLOUD_PUSH)


@pytest.fixture(name="subscription_factory")
def subscription_factory_fixture():
    """Fixture for creating mock subscriptions."""
    def _factory(capability):
        sub = Subscription()
        sub.capability = capability
        return sub
    return _factory


@pytest.fixture(name="device_factory")
def device_factory_fixture():
    """Fixture for creating mock devices."""
    api = Mock(Api)
    api.post_device_command.return_value = {}

    def _factory(label, capabilities, status: dict = None):
        device_data = {
            "deviceId": str(uuid4()),
            "name": "Device Type Handler Name",
            "label": label,
            "deviceManufacturerCode": "9135fc86-0929-4436-bf73-5d75f523d9db",
            "locationId": "fcd829e9-82f4-45b9-acfd-62fda029af80",
            "components": [
                {
                    "id": "main",
                    "capabilities": [
                        {"id": capability, "version": 1}
                        for capability in capabilities
                    ]
                }
            ],
            "dth": {
                "deviceTypeId": "b678b29d-2726-4e4f-9c3f-7aa05bd08964",
                "deviceTypeName": "Switch",
                "deviceNetworkType": "ZWAVE"
            },
            "type": "DTH"
        }
        device = DeviceEntity(api, data=device_data)
        if status:
            for attribute, value in status.items():
                device.status.apply_attribute_update(
                    'main', '', attribute, value)
        return device
    return _factory


@pytest.fixture(name="scene_factory")
def scene_factory_fixture(location):
    """Fixture for creating mock devices."""
    def _factory(name):
        scene = Mock(SceneEntity)
        scene.scene_id = str(uuid4())
        scene.name = name
        scene.location_id = location.location_id
        return scene
    return _factory


@pytest.fixture(name="scene")
def scene_fixture(scene_factory):
    """Fixture for an individual scene."""
    return scene_factory('Test Scene')


@pytest.fixture(name="event_factory")
def event_factory_fixture():
    """Fixture for creating mock devices."""
    def _factory(device_id, event_type="DEVICE_EVENT", capability='',
                 attribute='Updated', value='Value', data=None):
        event = Mock()
        event.event_type = event_type
        event.device_id = device_id
        event.component_id = 'main'
        event.capability = capability
        event.attribute = attribute
        event.value = value
        event.data = data
        event.location_id = str(uuid4())
        return event
    return _factory


@pytest.fixture(name="event_request_factory")
def event_request_factory_fixture(event_factory):
    """Fixture for creating mock smartapp event requests."""
    def _factory(device_ids=None, events=None):
        request = Mock()
        request.installed_app_id = uuid4()
        if events is None:
            events = []
        if device_ids:
            events.extend([event_factory(id) for id in device_ids])
            events.append(event_factory(uuid4()))
            events.append(event_factory(device_ids[0], event_type="OTHER"))
        request.events = events
        return request
    return _factory
