"""The tests for the Updater component."""
import asyncio
from datetime import timedelta
from unittest.mock import patch, Mock

import pytest

from homeassistant.setup import async_setup_component
from homeassistant.components import updater
import homeassistant.util.dt as dt_util
from tests.common import (
    async_fire_time_changed,
    mock_coro,
    mock_component,
    MockDependency,
)

NEW_VERSION = "10000.0"
MOCK_VERSION = "10.0"
MOCK_DEV_VERSION = "10.0.dev0"
MOCK_HUUID = "abcdefg"
MOCK_RESPONSE = {"version": "0.15", "release-notes": "https://home-assistant.io"}
MOCK_CONFIG = {updater.DOMAIN: {"reporting": True}}


@pytest.fixture(autouse=True)
def mock_distro():
    """Mock distro dep."""
    with MockDependency("distro"):
        yield


@pytest.fixture
def mock_get_newest_version():
    """Fixture to mock get_newest_version."""
    with patch("homeassistant.components.updater.get_newest_version") as mock:
        yield mock


@pytest.fixture
def mock_get_uuid():
    """Fixture to mock get_uuid."""
    with patch("homeassistant.components.updater._load_uuid") as mock:
        yield mock


@asyncio.coroutine
def test_new_version_shows_entity_after_hour(
    hass, mock_get_uuid, mock_get_newest_version
):
    """Test if new entity is created if new version is available."""
    mock_get_uuid.return_value = MOCK_HUUID
    mock_get_newest_version.return_value = mock_coro((NEW_VERSION, ""))

    res = yield from async_setup_component(hass, updater.DOMAIN, {updater.DOMAIN: {}})
    assert res, "Updater failed to set up"

    with patch("homeassistant.components.updater.current_version", MOCK_VERSION):
        async_fire_time_changed(hass, dt_util.utcnow() + timedelta(hours=1))
        yield from hass.async_block_till_done()

    assert hass.states.is_state(updater.ENTITY_ID, NEW_VERSION)


@asyncio.coroutine
def test_same_version_not_show_entity(hass, mock_get_uuid, mock_get_newest_version):
    """Test if new entity is created if new version is available."""
    mock_get_uuid.return_value = MOCK_HUUID
    mock_get_newest_version.return_value = mock_coro((MOCK_VERSION, ""))

    res = yield from async_setup_component(hass, updater.DOMAIN, {updater.DOMAIN: {}})
    assert res, "Updater failed to set up"

    with patch("homeassistant.components.updater.current_version", MOCK_VERSION):
        async_fire_time_changed(hass, dt_util.utcnow() + timedelta(hours=1))
        yield from hass.async_block_till_done()

    assert hass.states.get(updater.ENTITY_ID) is None


@asyncio.coroutine
def test_disable_reporting(hass, mock_get_uuid, mock_get_newest_version):
    """Test if new entity is created if new version is available."""
    mock_get_uuid.return_value = MOCK_HUUID
    mock_get_newest_version.return_value = mock_coro((MOCK_VERSION, ""))

    res = yield from async_setup_component(
        hass, updater.DOMAIN, {updater.DOMAIN: {"reporting": False}}
    )
    assert res, "Updater failed to set up"

    with patch("homeassistant.components.updater.current_version", MOCK_VERSION):
        async_fire_time_changed(hass, dt_util.utcnow() + timedelta(hours=1))
        yield from hass.async_block_till_done()

    assert hass.states.get(updater.ENTITY_ID) is None
    res = yield from updater.get_newest_version(hass, MOCK_HUUID, MOCK_CONFIG)
    call = mock_get_newest_version.mock_calls[0][1]
    assert call[0] is hass
    assert call[1] is None


@asyncio.coroutine
def test_get_newest_version_no_analytics_when_no_huuid(hass, aioclient_mock):
    """Test we do not gather analytics when no huuid is passed in."""
    aioclient_mock.post(updater.UPDATER_URL, json=MOCK_RESPONSE)

    with patch(
        "homeassistant.helpers.system_info.async_get_system_info", side_effect=Exception
    ):
        res = yield from updater.get_newest_version(hass, None, False)
        assert res == (MOCK_RESPONSE["version"], MOCK_RESPONSE["release-notes"])


@asyncio.coroutine
def test_get_newest_version_analytics_when_huuid(hass, aioclient_mock):
    """Test we do not gather analytics when no huuid is passed in."""
    aioclient_mock.post(updater.UPDATER_URL, json=MOCK_RESPONSE)

    with patch(
        "homeassistant.helpers.system_info.async_get_system_info",
        Mock(return_value=mock_coro({"fake": "bla"})),
    ):
        res = yield from updater.get_newest_version(hass, MOCK_HUUID, False)
        assert res == (MOCK_RESPONSE["version"], MOCK_RESPONSE["release-notes"])


@asyncio.coroutine
def test_error_fetching_new_version_timeout(hass):
    """Test we do not gather analytics when no huuid is passed in."""
    with patch(
        "homeassistant.helpers.system_info.async_get_system_info",
        Mock(return_value=mock_coro({"fake": "bla"})),
    ), patch("async_timeout.timeout", side_effect=asyncio.TimeoutError):
        res = yield from updater.get_newest_version(hass, MOCK_HUUID, False)
        assert res is None


@asyncio.coroutine
def test_error_fetching_new_version_bad_json(hass, aioclient_mock):
    """Test we do not gather analytics when no huuid is passed in."""
    aioclient_mock.post(updater.UPDATER_URL, text="not json")

    with patch(
        "homeassistant.helpers.system_info.async_get_system_info",
        Mock(return_value=mock_coro({"fake": "bla"})),
    ):
        res = yield from updater.get_newest_version(hass, MOCK_HUUID, False)
        assert res is None


@asyncio.coroutine
def test_error_fetching_new_version_invalid_response(hass, aioclient_mock):
    """Test we do not gather analytics when no huuid is passed in."""
    aioclient_mock.post(
        updater.UPDATER_URL,
        json={
            "version": "0.15"
            # 'release-notes' is missing
        },
    )

    with patch(
        "homeassistant.helpers.system_info.async_get_system_info",
        Mock(return_value=mock_coro({"fake": "bla"})),
    ):
        res = yield from updater.get_newest_version(hass, MOCK_HUUID, False)
        assert res is None


@asyncio.coroutine
def test_new_version_shows_entity_after_hour_hassio(
    hass, mock_get_uuid, mock_get_newest_version
):
    """Test if new entity is created if new version is available / hass.io."""
    mock_get_uuid.return_value = MOCK_HUUID
    mock_get_newest_version.return_value = mock_coro((NEW_VERSION, ""))
    mock_component(hass, "hassio")
    hass.data["hassio_hass_version"] = "999.0"

    res = yield from async_setup_component(hass, updater.DOMAIN, {updater.DOMAIN: {}})
    assert res, "Updater failed to set up"

    with patch("homeassistant.components.updater.current_version", MOCK_VERSION):
        async_fire_time_changed(hass, dt_util.utcnow() + timedelta(hours=1))
        yield from hass.async_block_till_done()

    assert hass.states.is_state(updater.ENTITY_ID, "999.0")