"""Tests for the light module."""

from datetime import timedelta
from unittest.mock import MagicMock, patch

from aiohttp import ClientError
from eheimdigital.types import EheimDeviceType, LightMode
from freezegun.api import FrozenDateTimeFactory
import pytest
from syrupy.assertion import SnapshotAssertion

from homeassistant.components.eheimdigital.const import EFFECT_DAYCL_MODE
from homeassistant.components.light import (
    ATTR_BRIGHTNESS,
    ATTR_EFFECT,
    DOMAIN as LIGHT_DOMAIN,
)
from homeassistant.const import (
    ATTR_ENTITY_ID,
    SERVICE_TURN_OFF,
    SERVICE_TURN_ON,
    STATE_UNAVAILABLE,
    Platform,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers import entity_registry as er
from homeassistant.util.color import value_to_brightness

from tests.common import MockConfigEntry, async_fire_time_changed, snapshot_platform


@pytest.mark.parametrize(
    "tankconfig",
    [
        [["CLASSIC_DAYLIGHT"], []],
        [[], ["CLASSIC_DAYLIGHT"]],
        [["CLASSIC_DAYLIGHT"], ["CLASSIC_DAYLIGHT"]],
    ],
)
async def test_setup_classic_led_ctrl(
    hass: HomeAssistant,
    eheimdigital_hub_mock: MagicMock,
    tankconfig: list[list[str]],
    mock_config_entry: MockConfigEntry,
    entity_registry: er.EntityRegistry,
    snapshot: SnapshotAssertion,
    classic_led_ctrl_mock: MagicMock,
) -> None:
    """Test light platform setup with different channels."""
    mock_config_entry.add_to_hass(hass)

    classic_led_ctrl_mock.tankconfig = tankconfig

    with patch("homeassistant.components.eheimdigital.PLATFORMS", [Platform.LIGHT]):
        await hass.config_entries.async_setup(mock_config_entry.entry_id)

    await eheimdigital_hub_mock.call_args.kwargs["device_found_callback"](
        "00:00:00:00:00:01", EheimDeviceType.VERSION_EHEIM_CLASSIC_LED_CTRL_PLUS_E
    )
    await hass.async_block_till_done()

    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)


async def test_dynamic_new_devices(
    hass: HomeAssistant,
    eheimdigital_hub_mock: MagicMock,
    classic_led_ctrl_mock: MagicMock,
    entity_registry: er.EntityRegistry,
    snapshot: SnapshotAssertion,
    mock_config_entry: MockConfigEntry,
) -> None:
    """Test light platform setup with at first no devices and dynamically adding a device."""
    mock_config_entry.add_to_hass(hass)

    eheimdigital_hub_mock.return_value.devices = {}

    with patch("homeassistant.components.eheimdigital.PLATFORMS", [Platform.LIGHT]):
        await hass.config_entries.async_setup(mock_config_entry.entry_id)

    assert (
        len(
            entity_registry.entities.get_entries_for_config_entry_id(
                mock_config_entry.entry_id
            )
        )
        == 0
    )

    eheimdigital_hub_mock.return_value.devices = {
        "00:00:00:00:00:01": classic_led_ctrl_mock
    }

    await eheimdigital_hub_mock.call_args.kwargs["device_found_callback"](
        "00:00:00:00:00:01", EheimDeviceType.VERSION_EHEIM_CLASSIC_LED_CTRL_PLUS_E
    )
    await hass.async_block_till_done()

    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)


@pytest.mark.usefixtures("eheimdigital_hub_mock")
async def test_turn_off(
    hass: HomeAssistant,
    mock_config_entry: MockConfigEntry,
    classic_led_ctrl_mock: MagicMock,
) -> None:
    """Test turning off the light."""
    mock_config_entry.add_to_hass(hass)

    with patch("homeassistant.components.eheimdigital.PLATFORMS", [Platform.LIGHT]):
        await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await mock_config_entry.runtime_data._async_device_found(
        "00:00:00:00:00:01", EheimDeviceType.VERSION_EHEIM_CLASSIC_LED_CTRL_PLUS_E
    )
    await hass.async_block_till_done()

    await hass.services.async_call(
        LIGHT_DOMAIN,
        SERVICE_TURN_OFF,
        {ATTR_ENTITY_ID: "light.mock_classicledcontrol_e_channel_0"},
        blocking=True,
    )

    classic_led_ctrl_mock.set_light_mode.assert_awaited_once_with(LightMode.MAN_MODE)
    classic_led_ctrl_mock.turn_off.assert_awaited_once_with(0)


@pytest.mark.parametrize(
    ("dim_input", "expected_dim_value"),
    [
        (3, 1),
        (255, 100),
        (128, 50),
    ],
)
async def test_turn_on_brightness(
    hass: HomeAssistant,
    eheimdigital_hub_mock: MagicMock,
    mock_config_entry: MockConfigEntry,
    classic_led_ctrl_mock: MagicMock,
    dim_input: int,
    expected_dim_value: int,
) -> None:
    """Test turning on the light with different brightness values."""
    mock_config_entry.add_to_hass(hass)

    with patch("homeassistant.components.eheimdigital.PLATFORMS", [Platform.LIGHT]):
        await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await eheimdigital_hub_mock.call_args.kwargs["device_found_callback"](
        "00:00:00:00:00:01", EheimDeviceType.VERSION_EHEIM_CLASSIC_LED_CTRL_PLUS_E
    )
    await hass.async_block_till_done()

    await hass.services.async_call(
        LIGHT_DOMAIN,
        SERVICE_TURN_ON,
        {
            ATTR_ENTITY_ID: "light.mock_classicledcontrol_e_channel_0",
            ATTR_BRIGHTNESS: dim_input,
        },
        blocking=True,
    )

    classic_led_ctrl_mock.set_light_mode.assert_awaited_once_with(LightMode.MAN_MODE)
    classic_led_ctrl_mock.turn_on.assert_awaited_once_with(expected_dim_value, 0)


async def test_turn_on_effect(
    hass: HomeAssistant,
    eheimdigital_hub_mock: MagicMock,
    mock_config_entry: MockConfigEntry,
    classic_led_ctrl_mock: MagicMock,
) -> None:
    """Test turning on the light with an effect value."""
    mock_config_entry.add_to_hass(hass)

    classic_led_ctrl_mock.light_mode = LightMode.MAN_MODE

    with patch("homeassistant.components.eheimdigital.PLATFORMS", [Platform.LIGHT]):
        await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await eheimdigital_hub_mock.call_args.kwargs["device_found_callback"](
        "00:00:00:00:00:01", EheimDeviceType.VERSION_EHEIM_CLASSIC_LED_CTRL_PLUS_E
    )
    await hass.async_block_till_done()

    await hass.services.async_call(
        LIGHT_DOMAIN,
        SERVICE_TURN_ON,
        {
            ATTR_ENTITY_ID: "light.mock_classicledcontrol_e_channel_0",
            ATTR_EFFECT: EFFECT_DAYCL_MODE,
        },
        blocking=True,
    )

    classic_led_ctrl_mock.set_light_mode.assert_awaited_once_with(LightMode.DAYCL_MODE)


async def test_state_update(
    hass: HomeAssistant,
    eheimdigital_hub_mock: MagicMock,
    mock_config_entry: MockConfigEntry,
    classic_led_ctrl_mock: MagicMock,
) -> None:
    """Test the light state update."""
    mock_config_entry.add_to_hass(hass)

    with patch("homeassistant.components.eheimdigital.PLATFORMS", [Platform.LIGHT]):
        await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await eheimdigital_hub_mock.call_args.kwargs["device_found_callback"](
        "00:00:00:00:00:01", EheimDeviceType.VERSION_EHEIM_CLASSIC_LED_CTRL_PLUS_E
    )
    await hass.async_block_till_done()

    classic_led_ctrl_mock.light_level = (20, 30)

    await eheimdigital_hub_mock.call_args.kwargs["receive_callback"]()

    assert (state := hass.states.get("light.mock_classicledcontrol_e_channel_0"))
    assert state.attributes["brightness"] == value_to_brightness((1, 100), 20)


async def test_update_failed(
    hass: HomeAssistant,
    eheimdigital_hub_mock: MagicMock,
    mock_config_entry: MockConfigEntry,
    freezer: FrozenDateTimeFactory,
) -> None:
    """Test an failed update."""
    mock_config_entry.add_to_hass(hass)

    with patch("homeassistant.components.eheimdigital.PLATFORMS", [Platform.LIGHT]):
        await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await eheimdigital_hub_mock.call_args.kwargs["device_found_callback"](
        "00:00:00:00:00:01", EheimDeviceType.VERSION_EHEIM_CLASSIC_LED_CTRL_PLUS_E
    )
    await hass.async_block_till_done()

    eheimdigital_hub_mock.return_value.update.side_effect = ClientError

    freezer.tick(timedelta(seconds=30))
    async_fire_time_changed(hass)
    await hass.async_block_till_done()

    assert (
        hass.states.get("light.mock_classicledcontrol_e_channel_0").state
        == STATE_UNAVAILABLE
    )