"""Test ZHA Gateway."""
import asyncio
import logging
import time
from unittest.mock import patch

import pytest
import zigpy.profiles.zha as zha
import zigpy.zcl.clusters.general as general
import zigpy.zcl.clusters.lighting as lighting

from homeassistant.components.light import DOMAIN as LIGHT_DOMAIN
from homeassistant.components.zha.core.group import GroupMember
from homeassistant.components.zha.core.store import TOMBSTONE_LIFETIME

from .common import async_enable_traffic, async_find_group_entity_id, get_zha_gateway

IEEE_GROUPABLE_DEVICE = "01:2d:6f:00:0a:90:69:e8"
IEEE_GROUPABLE_DEVICE2 = "02:2d:6f:00:0a:90:69:e8"
_LOGGER = logging.getLogger(__name__)


@pytest.fixture
def zigpy_dev_basic(zigpy_device_mock):
    """Zigpy device with just a basic cluster."""
    return zigpy_device_mock(
        {
            1: {
                "in_clusters": [general.Basic.cluster_id],
                "out_clusters": [],
                "device_type": zha.DeviceType.ON_OFF_SWITCH,
            }
        }
    )


@pytest.fixture
async def zha_dev_basic(hass, zha_device_restored, zigpy_dev_basic):
    """ZHA device with just a basic cluster."""

    zha_device = await zha_device_restored(zigpy_dev_basic)
    return zha_device


@pytest.fixture
async def coordinator(hass, zigpy_device_mock, zha_device_joined):
    """Test zha light platform."""

    zigpy_device = zigpy_device_mock(
        {
            1: {
                "in_clusters": [],
                "out_clusters": [],
                "device_type": zha.DeviceType.COLOR_DIMMABLE_LIGHT,
            }
        },
        ieee="00:15:8d:00:02:32:4f:32",
        nwk=0x0000,
        node_descriptor=b"\xf8\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff",
    )
    zha_device = await zha_device_joined(zigpy_device)
    zha_device.available = True
    return zha_device


@pytest.fixture
async def device_light_1(hass, zigpy_device_mock, zha_device_joined):
    """Test zha light platform."""

    zigpy_device = zigpy_device_mock(
        {
            1: {
                "in_clusters": [
                    general.OnOff.cluster_id,
                    general.LevelControl.cluster_id,
                    lighting.Color.cluster_id,
                    general.Groups.cluster_id,
                ],
                "out_clusters": [],
                "device_type": zha.DeviceType.COLOR_DIMMABLE_LIGHT,
            }
        },
        ieee=IEEE_GROUPABLE_DEVICE,
    )
    zha_device = await zha_device_joined(zigpy_device)
    zha_device.available = True
    return zha_device


@pytest.fixture
async def device_light_2(hass, zigpy_device_mock, zha_device_joined):
    """Test zha light platform."""

    zigpy_device = zigpy_device_mock(
        {
            1: {
                "in_clusters": [
                    general.OnOff.cluster_id,
                    general.LevelControl.cluster_id,
                    lighting.Color.cluster_id,
                    general.Groups.cluster_id,
                ],
                "out_clusters": [],
                "device_type": zha.DeviceType.COLOR_DIMMABLE_LIGHT,
            }
        },
        ieee=IEEE_GROUPABLE_DEVICE2,
    )
    zha_device = await zha_device_joined(zigpy_device)
    zha_device.available = True
    return zha_device


async def test_device_left(hass, zigpy_dev_basic, zha_dev_basic):
    """Device leaving the network should become unavailable."""

    assert zha_dev_basic.available is True

    get_zha_gateway(hass).device_left(zigpy_dev_basic)
    await hass.async_block_till_done()
    assert zha_dev_basic.available is False


async def test_gateway_group_methods(hass, device_light_1, device_light_2, coordinator):
    """Test creating a group with 2 members."""
    zha_gateway = get_zha_gateway(hass)
    assert zha_gateway is not None
    zha_gateway.coordinator_zha_device = coordinator
    coordinator._zha_gateway = zha_gateway
    device_light_1._zha_gateway = zha_gateway
    device_light_2._zha_gateway = zha_gateway
    member_ieee_addresses = [device_light_1.ieee, device_light_2.ieee]
    members = [GroupMember(device_light_1.ieee, 1), GroupMember(device_light_2.ieee, 1)]

    # test creating a group with 2 members
    zha_group = await zha_gateway.async_create_zigpy_group("Test Group", members)
    await hass.async_block_till_done()

    assert zha_group is not None
    assert len(zha_group.members) == 2
    for member in zha_group.members:
        assert member.device.ieee in member_ieee_addresses

    entity_id = async_find_group_entity_id(hass, LIGHT_DOMAIN, zha_group)
    assert hass.states.get(entity_id) is not None

    # test get group by name
    assert zha_group == zha_gateway.async_get_group_by_name(zha_group.name)

    # test removing a group
    await zha_gateway.async_remove_zigpy_group(zha_group.group_id)
    await hass.async_block_till_done()

    # we shouldn't have the group anymore
    assert zha_gateway.async_get_group_by_name(zha_group.name) is None

    # the group entity should be cleaned up
    assert entity_id not in hass.states.async_entity_ids(LIGHT_DOMAIN)

    # test creating a group with 1 member
    zha_group = await zha_gateway.async_create_zigpy_group(
        "Test Group", [GroupMember(device_light_1.ieee, 1)]
    )
    await hass.async_block_till_done()

    assert zha_group is not None
    assert len(zha_group.members) == 1
    for member in zha_group.members:
        assert member.device.ieee in [device_light_1.ieee]

    # the group entity should not have been cleaned up
    assert entity_id not in hass.states.async_entity_ids(LIGHT_DOMAIN)

    with patch("zigpy.zcl.Cluster.request", side_effect=asyncio.TimeoutError):
        await zha_group.members[0].async_remove_from_group()
        assert len(zha_group.members) == 1
        for member in zha_group.members:
            assert member.device.ieee in [device_light_1.ieee]


async def test_updating_device_store(hass, zigpy_dev_basic, zha_dev_basic):
    """Test saving data after a delay."""
    zha_gateway = get_zha_gateway(hass)
    assert zha_gateway is not None
    await async_enable_traffic(hass, [zha_dev_basic])

    assert zha_dev_basic.last_seen is not None
    entry = zha_gateway.zha_storage.async_get_or_create_device(zha_dev_basic)
    assert entry.last_seen == zha_dev_basic.last_seen

    assert zha_dev_basic.last_seen is not None
    last_seen = zha_dev_basic.last_seen

    # test that we can't set None as last seen any more
    zha_dev_basic.async_update_last_seen(None)
    assert last_seen == zha_dev_basic.last_seen

    # test that we won't put None in storage
    zigpy_dev_basic.last_seen = None
    assert zha_dev_basic.last_seen is None
    await zha_gateway.async_update_device_storage()
    await hass.async_block_till_done()
    entry = zha_gateway.zha_storage.async_get_or_create_device(zha_dev_basic)
    assert entry.last_seen == last_seen

    # test that we can still set a good last_seen
    last_seen = time.time()
    zha_dev_basic.async_update_last_seen(last_seen)
    assert last_seen == zha_dev_basic.last_seen

    # test that we still put good values in storage
    await zha_gateway.async_update_device_storage()
    await hass.async_block_till_done()
    entry = zha_gateway.zha_storage.async_get_or_create_device(zha_dev_basic)
    assert entry.last_seen == last_seen


async def test_cleaning_up_storage(hass, zigpy_dev_basic, zha_dev_basic, hass_storage):
    """Test cleaning up zha storage and remove stale devices."""
    zha_gateway = get_zha_gateway(hass)
    assert zha_gateway is not None
    await async_enable_traffic(hass, [zha_dev_basic])

    assert zha_dev_basic.last_seen is not None
    await zha_gateway.zha_storage.async_save()
    await hass.async_block_till_done()

    assert hass_storage["zha.storage"]["data"]["devices"]
    device = hass_storage["zha.storage"]["data"]["devices"][0]
    assert device["ieee"] == str(zha_dev_basic.ieee)

    zha_dev_basic.device.last_seen = time.time() - TOMBSTONE_LIFETIME - 1
    await zha_gateway.async_update_device_storage()
    await hass.async_block_till_done()
    await zha_gateway.zha_storage.async_save()
    await hass.async_block_till_done()
    assert not hass_storage["zha.storage"]["data"]["devices"]
