# flake8: noqa pylint: skip-file
"""Tests for the TelldusLive config flow."""
import asyncio
from unittest.mock import Mock, patch

import pytest

from homeassistant import data_entry_flow
from homeassistant.components.tellduslive import (
    APPLICATION_NAME, DOMAIN, KEY_SCAN_INTERVAL, SCAN_INTERVAL,
    config_flow)
from homeassistant.const import CONF_HOST

from tests.common import MockConfigEntry, MockDependency, mock_coro


def init_config_flow(hass, side_effect=None):
    """Init a configuration flow."""
    flow = config_flow.FlowHandler()
    flow.hass = hass
    if side_effect:
        flow._get_auth_url = Mock(side_effect=side_effect)
    return flow


@pytest.fixture
def supports_local_api():
    """Set TelldusLive supports_local_api."""
    return True


@pytest.fixture
def authorize():
    """Set TelldusLive authorize."""
    return True


@pytest.fixture
def mock_tellduslive(supports_local_api, authorize):
    """Mock tellduslive."""
    with MockDependency('tellduslive') as mock_tellduslive_:
        mock_tellduslive_.supports_local_api.return_value = supports_local_api
        mock_tellduslive_.Session().authorize.return_value = authorize
        mock_tellduslive_.Session().access_token = 'token'
        mock_tellduslive_.Session().access_token_secret = 'token_secret'
        mock_tellduslive_.Session().authorize_url = 'https://example.com'
        yield mock_tellduslive_


async def test_abort_if_already_setup(hass):
    """Test we abort if TelldusLive is already setup."""
    flow = init_config_flow(hass)

    with patch.object(hass.config_entries, 'async_entries', return_value=[{}]):
        result = await flow.async_step_user()
    assert result['type'] == data_entry_flow.RESULT_TYPE_ABORT
    assert result['reason'] == 'already_setup'

    with patch.object(hass.config_entries, 'async_entries', return_value=[{}]):
        result = await flow.async_step_import(None)
    assert result['type'] == data_entry_flow.RESULT_TYPE_ABORT
    assert result['reason'] == 'already_setup'


async def test_full_flow_implementation(hass, mock_tellduslive):
    """Test registering an implementation and finishing flow works."""
    flow = init_config_flow(hass)
    result = await flow.async_step_discovery(['localhost', 'tellstick'])
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'user'
    assert len(flow._hosts) == 2

    result = await flow.async_step_user()
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'user'

    result = await flow.async_step_user({'host': 'localhost'})
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'auth'
    assert result['description_placeholders'] == {
        'auth_url': 'https://example.com',
        'app_name': APPLICATION_NAME,
    }

    result = await flow.async_step_auth('')
    assert result['type'] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
    assert result['title'] == 'localhost'
    assert result['data']['host'] == 'localhost'
    assert result['data']['scan_interval'] == 60
    assert result['data']['session'] == {'token': 'token', 'host': 'localhost'}


async def test_step_import(hass, mock_tellduslive):
    """Test that we trigger auth when configuring from import."""
    flow = init_config_flow(hass)

    result = await flow.async_step_import({
        CONF_HOST: DOMAIN,
        KEY_SCAN_INTERVAL: 0,
    })
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'auth'


async def test_step_import_add_host(hass, mock_tellduslive):
    """Test that we add host and trigger user when configuring from import."""
    flow = init_config_flow(hass)

    result = await flow.async_step_import({
        CONF_HOST: 'localhost',
        KEY_SCAN_INTERVAL: 0,
    })
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'user'


async def test_step_import_no_config_file(hass, mock_tellduslive):
    """Test that we trigger user with no config_file configuring from import."""
    flow = init_config_flow(hass)

    result = await flow.async_step_import({ CONF_HOST: 'localhost', KEY_SCAN_INTERVAL: 0, })
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'user'


async def test_step_import_load_json_matching_host(hass, mock_tellduslive):
    """Test that we add host and trigger user when configuring from import."""
    flow = init_config_flow(hass)

    with patch('homeassistant.components.tellduslive.config_flow.load_json',
               return_value={'tellduslive': {}}), \
            patch('os.path.isfile'):
        result = await flow.async_step_import({ CONF_HOST: 'Cloud API', KEY_SCAN_INTERVAL: 0, })
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'user'


async def test_step_import_load_json(hass, mock_tellduslive):
    """Test that we create entry when configuring from import."""
    flow = init_config_flow(hass)

    with patch('homeassistant.components.tellduslive.config_flow.load_json',
               return_value={'localhost': {}}), \
            patch('os.path.isfile'):
        result = await flow.async_step_import({ CONF_HOST: 'localhost', KEY_SCAN_INTERVAL: SCAN_INTERVAL, })
    assert result['type'] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
    assert result['title'] == 'localhost'
    assert result['data']['host'] == 'localhost'
    assert result['data']['scan_interval'] == 60
    assert result['data']['session'] == {}


@pytest.mark.parametrize('supports_local_api', [False])
async def test_step_disco_no_local_api(hass, mock_tellduslive):
    """Test that we trigger when configuring from discovery, not supporting local api."""
    flow = init_config_flow(hass)

    result = await flow.async_step_discovery(['localhost', 'tellstick'])
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'auth'
    assert len(flow._hosts) == 1


async def test_step_auth(hass, mock_tellduslive):
    """Test that create cloud entity from auth."""
    flow = init_config_flow(hass)

    await flow.async_step_auth()
    result = await flow.async_step_auth(['localhost', 'tellstick'])
    assert result['type'] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
    assert result['title'] == 'Cloud API'
    assert result['data']['host'] == 'Cloud API'
    assert result['data']['scan_interval'] == 60
    assert result['data']['session'] == {
        'token': 'token',
        'token_secret': 'token_secret',
    }


@pytest.mark.parametrize('authorize', [False])
async def test_wrong_auth_flow_implementation(hass, mock_tellduslive):
    """Test wrong auth."""
    flow = init_config_flow(hass)

    await flow.async_step_auth()
    result = await flow.async_step_auth('')
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'auth'
    assert result['errors']['base'] == 'auth_error'


async def test_not_pick_host_if_only_one(hass, mock_tellduslive):
    """Test not picking host if we have just one."""
    flow = init_config_flow(hass)

    result = await flow.async_step_user()
    assert result['type'] == data_entry_flow.RESULT_TYPE_FORM
    assert result['step_id'] == 'auth'


async def test_abort_if_timeout_generating_auth_url(hass, mock_tellduslive):
    """Test abort if generating authorize url timeout."""
    flow = init_config_flow(hass, side_effect=asyncio.TimeoutError)

    result = await flow.async_step_user()
    assert result['type'] == data_entry_flow.RESULT_TYPE_ABORT
    assert result['reason'] == 'authorize_url_timeout'

async def test_abort_no_auth_url(hass, mock_tellduslive):
    """Test abort if generating authorize url returns none."""
    flow = init_config_flow(hass)
    flow._get_auth_url = Mock(return_value=False)

    result = await flow.async_step_user()
    assert result['type'] == data_entry_flow.RESULT_TYPE_ABORT
    assert result['reason'] == 'authorize_url_fail'

async def test_abort_if_exception_generating_auth_url(hass, mock_tellduslive):
    """Test we abort if generating authorize url blows up."""
    flow = init_config_flow(hass, side_effect=ValueError)

    result = await flow.async_step_user()
    assert result['type'] == data_entry_flow.RESULT_TYPE_ABORT
    assert result['reason'] == 'authorize_url_fail'

async def test_discovery_already_configured(hass, mock_tellduslive):
    """Test abort if alredy configured fires from discovery."""
    MockConfigEntry(
        domain='tellduslive',
        data={'host': 'some-host'}
    ).add_to_hass(hass)
    flow = init_config_flow(hass)

    result = await flow.async_step_discovery(['some-host', ''])
    assert result['type'] == data_entry_flow.RESULT_TYPE_ABORT
    assert result['reason'] == 'already_setup'