"""Test light trigger."""

from typing import Any

import pytest

from homeassistant.components.light import ATTR_BRIGHTNESS
from homeassistant.const import (
    ATTR_LABEL_ID,
    CONF_ABOVE,
    CONF_BELOW,
    CONF_ENTITY_ID,
    STATE_OFF,
    STATE_ON,
)
from homeassistant.core import HomeAssistant, ServiceCall
from homeassistant.helpers.trigger import (
    CONF_LOWER_LIMIT,
    CONF_THRESHOLD_TYPE,
    CONF_UPPER_LIMIT,
    ThresholdType,
)

from tests.components import (
    TriggerStateDescription,
    arm_trigger,
    parametrize_target_entities,
    parametrize_trigger_states,
    set_or_remove_state,
    target_entities,
)


@pytest.fixture
async def target_lights(hass: HomeAssistant) -> list[str]:
    """Create multiple light entities associated with different targets."""
    return (await target_entities(hass, "light"))["included"]


def parametrize_brightness_changed_trigger_states(
    trigger: str, state: str, attribute: str
) -> list[tuple[str, dict[str, Any], list[TriggerStateDescription]]]:
    """Parametrize states and expected service call counts for brightness changed triggers.

    Note: The brightness in the trigger configuration is in percentage (0-100) scale,
    the underlying attribute in the state is in uint8 (0-255) scale.
    """
    return [
        *parametrize_trigger_states(
            trigger=trigger,
            trigger_options={},
            target_states=[
                (state, {attribute: 0}),
                (state, {attribute: 128}),
                (state, {attribute: 255}),
            ],
            other_states=[(state, {attribute: None})],
            retrigger_on_target_state=True,
        ),
        *parametrize_trigger_states(
            trigger=trigger,
            trigger_options={CONF_ABOVE: 10},
            target_states=[
                (state, {attribute: 128}),
                (state, {attribute: 255}),
            ],
            other_states=[
                (state, {attribute: None}),
                (state, {attribute: 0}),
            ],
            retrigger_on_target_state=True,
        ),
        *parametrize_trigger_states(
            trigger=trigger,
            trigger_options={CONF_BELOW: 90},
            target_states=[
                (state, {attribute: 0}),
                (state, {attribute: 128}),
            ],
            other_states=[
                (state, {attribute: None}),
                (state, {attribute: 255}),
            ],
            retrigger_on_target_state=True,
        ),
    ]


def parametrize_brightness_crossed_threshold_trigger_states(
    trigger: str, state: str, attribute: str
) -> list[tuple[str, dict[str, Any], list[TriggerStateDescription]]]:
    """Parametrize states and expected service call counts for brightness crossed threshold triggers.

    Note: The brightness in the trigger configuration is in percentage (0-100) scale,
    the underlying attribute in the state is in uint8 (0-255) scale.
    """
    return [
        *parametrize_trigger_states(
            trigger=trigger,
            trigger_options={
                CONF_THRESHOLD_TYPE: ThresholdType.BETWEEN,
                CONF_LOWER_LIMIT: 10,
                CONF_UPPER_LIMIT: 90,
            },
            target_states=[
                (state, {attribute: 128}),
                (state, {attribute: 153}),
            ],
            other_states=[
                (state, {attribute: None}),
                (state, {attribute: 0}),
                (state, {attribute: 255}),
            ],
        ),
        *parametrize_trigger_states(
            trigger=trigger,
            trigger_options={
                CONF_THRESHOLD_TYPE: ThresholdType.OUTSIDE,
                CONF_LOWER_LIMIT: 10,
                CONF_UPPER_LIMIT: 90,
            },
            target_states=[
                (state, {attribute: 0}),
                (state, {attribute: 255}),
            ],
            other_states=[
                (state, {attribute: None}),
                (state, {attribute: 128}),
                (state, {attribute: 153}),
            ],
        ),
        *parametrize_trigger_states(
            trigger=trigger,
            trigger_options={
                CONF_THRESHOLD_TYPE: ThresholdType.ABOVE,
                CONF_LOWER_LIMIT: 10,
            },
            target_states=[
                (state, {attribute: 128}),
                (state, {attribute: 255}),
            ],
            other_states=[
                (state, {attribute: None}),
                (state, {attribute: 0}),
            ],
        ),
        *parametrize_trigger_states(
            trigger=trigger,
            trigger_options={
                CONF_THRESHOLD_TYPE: ThresholdType.BELOW,
                CONF_UPPER_LIMIT: 90,
            },
            target_states=[
                (state, {attribute: 0}),
                (state, {attribute: 128}),
            ],
            other_states=[
                (state, {attribute: None}),
                (state, {attribute: 255}),
            ],
        ),
    ]


@pytest.mark.parametrize(
    "trigger_key",
    [
        "light.brightness_changed",
        "light.brightness_crossed_threshold",
        "light.turned_off",
        "light.turned_on",
    ],
)
async def test_light_triggers_gated_by_labs_flag(
    hass: HomeAssistant, caplog: pytest.LogCaptureFixture, trigger_key: str
) -> None:
    """Test the light triggers are gated by the labs flag."""
    await arm_trigger(hass, trigger_key, None, {ATTR_LABEL_ID: "test_label"})
    assert (
        "Unnamed automation failed to setup triggers and has been disabled: Trigger "
        f"'{trigger_key}' requires the experimental 'New triggers and conditions' "
        "feature to be enabled in Home Assistant Labs settings (feature flag: "
        "'new_triggers_conditions')"
    ) in caplog.text


@pytest.mark.usefixtures("enable_labs_preview_features")
@pytest.mark.parametrize(
    ("trigger_target_config", "entity_id", "entities_in_target"),
    parametrize_target_entities("light"),
)
@pytest.mark.parametrize(
    ("trigger", "trigger_options", "states"),
    [
        *parametrize_trigger_states(
            trigger="light.turned_on",
            target_states=[STATE_ON],
            other_states=[STATE_OFF],
        ),
        *parametrize_trigger_states(
            trigger="light.turned_off",
            target_states=[STATE_OFF],
            other_states=[STATE_ON],
        ),
    ],
)
async def test_light_state_trigger_behavior_any(
    hass: HomeAssistant,
    service_calls: list[ServiceCall],
    target_lights: list[str],
    trigger_target_config: dict,
    entity_id: str,
    entities_in_target: int,
    trigger: str,
    trigger_options: dict[str, Any],
    states: list[TriggerStateDescription],
) -> None:
    """Test that the light state trigger fires when any light state changes to a specific state."""
    other_entity_ids = set(target_lights) - {entity_id}

    # Set all lights, including the tested light, to the initial state
    for eid in target_lights:
        set_or_remove_state(hass, eid, states[0]["included"])
        await hass.async_block_till_done()

    await arm_trigger(hass, trigger, {}, trigger_target_config)

    for state in states[1:]:
        included_state = state["included"]
        set_or_remove_state(hass, entity_id, included_state)
        await hass.async_block_till_done()
        assert len(service_calls) == state["count"]
        for service_call in service_calls:
            assert service_call.data[CONF_ENTITY_ID] == entity_id
        service_calls.clear()

        # Check if changing other lights also triggers
        for other_entity_id in other_entity_ids:
            set_or_remove_state(hass, other_entity_id, included_state)
            await hass.async_block_till_done()
        assert len(service_calls) == (entities_in_target - 1) * state["count"]
        service_calls.clear()


@pytest.mark.usefixtures("enable_labs_preview_features")
@pytest.mark.parametrize(
    ("trigger_target_config", "entity_id", "entities_in_target"),
    parametrize_target_entities("light"),
)
@pytest.mark.parametrize(
    ("trigger", "trigger_options", "states"),
    [
        *parametrize_brightness_changed_trigger_states(
            "light.brightness_changed", STATE_ON, ATTR_BRIGHTNESS
        ),
        *parametrize_brightness_crossed_threshold_trigger_states(
            "light.brightness_crossed_threshold", STATE_ON, ATTR_BRIGHTNESS
        ),
    ],
)
async def test_light_state_attribute_trigger_behavior_any(
    hass: HomeAssistant,
    service_calls: list[ServiceCall],
    target_lights: list[str],
    trigger_target_config: dict,
    entity_id: str,
    entities_in_target: int,
    trigger: str,
    trigger_options: dict[str, Any],
    states: list[TriggerStateDescription],
) -> None:
    """Test that the light state trigger fires when any light state changes to a specific state."""
    other_entity_ids = set(target_lights) - {entity_id}

    # Set all lights, including the tested light, to the initial state
    for eid in target_lights:
        set_or_remove_state(hass, eid, states[0]["included"])
        await hass.async_block_till_done()

    await arm_trigger(hass, trigger, trigger_options, trigger_target_config)

    for state in states[1:]:
        included_state = state["included"]
        set_or_remove_state(hass, entity_id, included_state)
        await hass.async_block_till_done()
        assert len(service_calls) == state["count"]
        for service_call in service_calls:
            assert service_call.data[CONF_ENTITY_ID] == entity_id
        service_calls.clear()

        # Check if changing other lights also triggers
        for other_entity_id in other_entity_ids:
            set_or_remove_state(hass, other_entity_id, included_state)
            await hass.async_block_till_done()
        assert len(service_calls) == (entities_in_target - 1) * state["count"]
        service_calls.clear()


@pytest.mark.usefixtures("enable_labs_preview_features")
@pytest.mark.parametrize(
    ("trigger_target_config", "entity_id", "entities_in_target"),
    parametrize_target_entities("light"),
)
@pytest.mark.parametrize(
    ("trigger", "trigger_options", "states"),
    [
        *parametrize_trigger_states(
            trigger="light.turned_on",
            target_states=[STATE_ON],
            other_states=[STATE_OFF],
        ),
        *parametrize_trigger_states(
            trigger="light.turned_off",
            target_states=[STATE_OFF],
            other_states=[STATE_ON],
        ),
    ],
)
async def test_light_state_trigger_behavior_first(
    hass: HomeAssistant,
    service_calls: list[ServiceCall],
    target_lights: list[str],
    trigger_target_config: dict,
    entity_id: str,
    entities_in_target: int,
    trigger: str,
    trigger_options: dict[str, Any],
    states: list[TriggerStateDescription],
) -> None:
    """Test that the light state trigger fires when the first light changes to a specific state."""
    other_entity_ids = set(target_lights) - {entity_id}

    # Set all lights, including the tested light, to the initial state
    for eid in target_lights:
        set_or_remove_state(hass, eid, states[0]["included"])
        await hass.async_block_till_done()

    await arm_trigger(hass, trigger, {"behavior": "first"}, trigger_target_config)

    for state in states[1:]:
        included_state = state["included"]
        set_or_remove_state(hass, entity_id, included_state)
        await hass.async_block_till_done()
        assert len(service_calls) == state["count"]
        for service_call in service_calls:
            assert service_call.data[CONF_ENTITY_ID] == entity_id
        service_calls.clear()

        # Triggering other lights should not cause the trigger to fire again
        for other_entity_id in other_entity_ids:
            set_or_remove_state(hass, other_entity_id, included_state)
            await hass.async_block_till_done()
        assert len(service_calls) == 0


@pytest.mark.usefixtures("enable_labs_preview_features")
@pytest.mark.parametrize(
    ("trigger_target_config", "entity_id", "entities_in_target"),
    parametrize_target_entities("light"),
)
@pytest.mark.parametrize(
    ("trigger", "trigger_options", "states"),
    [
        *parametrize_brightness_crossed_threshold_trigger_states(
            "light.brightness_crossed_threshold", STATE_ON, ATTR_BRIGHTNESS
        ),
    ],
)
async def test_light_state_attribute_trigger_behavior_first(
    hass: HomeAssistant,
    service_calls: list[ServiceCall],
    target_lights: list[str],
    trigger_target_config: dict,
    entity_id: str,
    entities_in_target: int,
    trigger: str,
    trigger_options: dict[str, Any],
    states: list[tuple[tuple[str, dict], int]],
) -> None:
    """Test that the light state trigger fires when the first light state changes to a specific state."""
    other_entity_ids = set(target_lights) - {entity_id}

    # Set all lights, including the tested light, to the initial state
    for eid in target_lights:
        set_or_remove_state(hass, eid, states[0]["included"])
        await hass.async_block_till_done()

    await arm_trigger(
        hass, trigger, {"behavior": "first"} | trigger_options, trigger_target_config
    )

    for state in states[1:]:
        included_state = state["included"]
        set_or_remove_state(hass, entity_id, included_state)
        await hass.async_block_till_done()
        assert len(service_calls) == state["count"]
        for service_call in service_calls:
            assert service_call.data[CONF_ENTITY_ID] == entity_id
        service_calls.clear()

        # Triggering other lights should not cause the trigger to fire again
        for other_entity_id in other_entity_ids:
            set_or_remove_state(hass, other_entity_id, included_state)
            await hass.async_block_till_done()
        assert len(service_calls) == 0


@pytest.mark.usefixtures("enable_labs_preview_features")
@pytest.mark.parametrize(
    ("trigger_target_config", "entity_id", "entities_in_target"),
    parametrize_target_entities("light"),
)
@pytest.mark.parametrize(
    ("trigger", "trigger_options", "states"),
    [
        *parametrize_trigger_states(
            trigger="light.turned_on",
            target_states=[STATE_ON],
            other_states=[STATE_OFF],
        ),
        *parametrize_trigger_states(
            trigger="light.turned_off",
            target_states=[STATE_OFF],
            other_states=[STATE_ON],
        ),
    ],
)
async def test_light_state_trigger_behavior_last(
    hass: HomeAssistant,
    service_calls: list[ServiceCall],
    target_lights: list[str],
    trigger_target_config: dict,
    entity_id: str,
    entities_in_target: int,
    trigger: str,
    trigger_options: dict[str, Any],
    states: list[TriggerStateDescription],
) -> None:
    """Test that the light state trigger fires when the last light changes to a specific state."""
    other_entity_ids = set(target_lights) - {entity_id}

    # Set all lights, including the tested light, to the initial state
    for eid in target_lights:
        set_or_remove_state(hass, eid, states[0]["included"])
        await hass.async_block_till_done()

    await arm_trigger(hass, trigger, {"behavior": "last"}, trigger_target_config)

    for state in states[1:]:
        included_state = state["included"]
        for other_entity_id in other_entity_ids:
            set_or_remove_state(hass, other_entity_id, included_state)
            await hass.async_block_till_done()
        assert len(service_calls) == 0

        set_or_remove_state(hass, entity_id, included_state)
        await hass.async_block_till_done()
        assert len(service_calls) == state["count"]
        for service_call in service_calls:
            assert service_call.data[CONF_ENTITY_ID] == entity_id
        service_calls.clear()


@pytest.mark.usefixtures("enable_labs_preview_features")
@pytest.mark.parametrize(
    ("trigger_target_config", "entity_id", "entities_in_target"),
    parametrize_target_entities("light"),
)
@pytest.mark.parametrize(
    ("trigger", "trigger_options", "states"),
    [
        *parametrize_brightness_crossed_threshold_trigger_states(
            "light.brightness_crossed_threshold", STATE_ON, ATTR_BRIGHTNESS
        ),
    ],
)
async def test_light_state_attribute_trigger_behavior_last(
    hass: HomeAssistant,
    service_calls: list[ServiceCall],
    target_lights: list[str],
    trigger_target_config: dict,
    entity_id: str,
    entities_in_target: int,
    trigger: str,
    trigger_options: dict[str, Any],
    states: list[tuple[tuple[str, dict], int]],
) -> None:
    """Test that the light state trigger fires when the last light state changes to a specific state."""
    other_entity_ids = set(target_lights) - {entity_id}

    # Set all lights, including the tested light, to the initial state
    for eid in target_lights:
        set_or_remove_state(hass, eid, states[0]["included"])
        await hass.async_block_till_done()

    await arm_trigger(
        hass, trigger, {"behavior": "last"} | trigger_options, trigger_target_config
    )

    for state in states[1:]:
        included_state = state["included"]
        for other_entity_id in other_entity_ids:
            set_or_remove_state(hass, other_entity_id, included_state)
            await hass.async_block_till_done()
        assert len(service_calls) == 0

        set_or_remove_state(hass, entity_id, included_state)
        await hass.async_block_till_done()
        assert len(service_calls) == state["count"]
        for service_call in service_calls:
            assert service_call.data[CONF_ENTITY_ID] == entity_id
        service_calls.clear()