"""Test button trigger."""

from collections.abc import Generator
from unittest.mock import patch

import pytest

from homeassistant.const import (
    ATTR_LABEL_ID,
    CONF_ENTITY_ID,
    STATE_UNAVAILABLE,
    STATE_UNKNOWN,
)
from homeassistant.core import HomeAssistant, ServiceCall

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


@pytest.fixture(autouse=True, name="stub_blueprint_populate")
def stub_blueprint_populate_autouse(stub_blueprint_populate: None) -> None:
    """Stub copying the blueprints to the config folder."""


@pytest.fixture(name="enable_experimental_triggers_conditions")
def enable_experimental_triggers_conditions() -> Generator[None]:
    """Enable experimental triggers and conditions."""
    with patch(
        "homeassistant.components.labs.async_is_preview_feature_enabled",
        return_value=True,
    ):
        yield


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


@pytest.mark.parametrize("trigger_key", ["button.pressed"])
async def test_button_triggers_gated_by_labs_flag(
    hass: HomeAssistant, caplog: pytest.LogCaptureFixture, trigger_key: str
) -> None:
    """Test the button 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_experimental_triggers_conditions")
@pytest.mark.parametrize(
    ("trigger_target_config", "entity_id", "entities_in_target"),
    parametrize_target_entities("button"),
)
@pytest.mark.parametrize(
    ("trigger", "states"),
    [
        (
            "button.pressed",
            [
                {"included": {"state": None, "attributes": {}}, "count": 0},
                {
                    "included": {
                        "state": "2021-01-01T23:59:59+00:00",
                        "attributes": {},
                    },
                    "count": 0,
                },
                {
                    "included": {
                        "state": "2022-01-01T23:59:59+00:00",
                        "attributes": {},
                    },
                    "count": 1,
                },
            ],
        ),
        (
            "button.pressed",
            [
                {"included": {"state": "foo", "attributes": {}}, "count": 0},
                {
                    "included": {
                        "state": "2021-01-01T23:59:59+00:00",
                        "attributes": {},
                    },
                    "count": 1,
                },
                {
                    "included": {
                        "state": "2022-01-01T23:59:59+00:00",
                        "attributes": {},
                    },
                    "count": 1,
                },
            ],
        ),
        (
            "button.pressed",
            [
                {
                    "included": {"state": STATE_UNAVAILABLE, "attributes": {}},
                    "count": 0,
                },
                {
                    "included": {
                        "state": "2021-01-01T23:59:59+00:00",
                        "attributes": {},
                    },
                    "count": 0,
                },
                {
                    "included": {
                        "state": "2022-01-01T23:59:59+00:00",
                        "attributes": {},
                    },
                    "count": 1,
                },
                {
                    "included": {"state": STATE_UNAVAILABLE, "attributes": {}},
                    "count": 0,
                },
            ],
        ),
        (
            "button.pressed",
            [
                {"included": {"state": STATE_UNKNOWN, "attributes": {}}, "count": 0},
                {
                    "included": {
                        "state": "2021-01-01T23:59:59+00:00",
                        "attributes": {},
                    },
                    "count": 1,
                },
                {
                    "included": {
                        "state": "2022-01-01T23:59:59+00:00",
                        "attributes": {},
                    },
                    "count": 1,
                },
                {"included": {"state": STATE_UNKNOWN, "attributes": {}}, "count": 0},
            ],
        ),
    ],
)
async def test_button_state_trigger_behavior_any(
    hass: HomeAssistant,
    service_calls: list[ServiceCall],
    target_buttons: list[str],
    trigger_target_config: dict,
    entity_id: str,
    entities_in_target: int,
    trigger: str,
    states: list[StateDescription],
) -> None:
    """Test that the button state trigger fires when any button state changes to a specific state."""
    other_entity_ids = set(target_buttons) - {entity_id}

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

    await arm_trigger(hass, trigger, None, 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 buttons 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()