"""Test the binary sensor platform of ping."""

from datetime import timedelta
from unittest.mock import patch

from freezegun.api import FrozenDateTimeFactory
from icmplib import Host
import pytest
from typing_extensions import Generator

from homeassistant.core import HomeAssistant
from homeassistant.helpers import entity_registry as er

from tests.common import MockConfigEntry, async_fire_time_changed


@pytest.fixture
def entity_registry_enabled_by_default() -> Generator[None]:
    """Test fixture that ensures ping device_tracker entities are enabled in the registry."""
    with patch(
        "homeassistant.components.ping.device_tracker.PingDeviceTracker.entity_registry_enabled_default",
        return_value=True,
    ):
        yield


@pytest.mark.usefixtures("setup_integration")
async def test_setup_and_update(
    hass: HomeAssistant,
    entity_registry: er.EntityRegistry,
    config_entry: MockConfigEntry,
    freezer: FrozenDateTimeFactory,
) -> None:
    """Test sensor setup and update."""

    entry = entity_registry.async_get("device_tracker.10_10_10_10")
    assert entry
    assert entry.disabled
    assert entry.disabled_by is er.RegistryEntryDisabler.INTEGRATION

    # check device tracker state is not there
    state = hass.states.get("device_tracker.10_10_10_10")
    assert state is None

    # enable the entity
    updated_entry = entity_registry.async_update_entity(
        entity_id="device_tracker.10_10_10_10", disabled_by=None
    )
    assert updated_entry != entry
    assert updated_entry.disabled is False

    # reload config entry to enable entity
    await hass.config_entries.async_reload(config_entry.entry_id)
    await hass.async_block_till_done()

    state = hass.states.get("device_tracker.10_10_10_10")
    assert state.state == "home"

    with patch(
        "homeassistant.components.ping.helpers.async_ping",
        return_value=Host(address="10.10.10.10", packets_sent=10, rtts=[]),
    ):
        # we need to travel two times into the future to run the update twice
        freezer.tick(timedelta(minutes=1, seconds=10))
        async_fire_time_changed(hass)
        await hass.async_block_till_done()

        freezer.tick(timedelta(minutes=4, seconds=10))
        async_fire_time_changed(hass)
        await hass.async_block_till_done()

    assert (state := hass.states.get("device_tracker.10_10_10_10"))
    assert state.state == "not_home"

    freezer.tick(timedelta(minutes=1, seconds=1))
    async_fire_time_changed(hass)
    await hass.async_block_till_done()

    assert (state := hass.states.get("device_tracker.10_10_10_10"))
    assert state.state == "home"


@pytest.mark.usefixtures("entity_registry_enabled_by_default", "setup_integration")
async def test_reload_not_triggering_home(
    hass: HomeAssistant,
    freezer: FrozenDateTimeFactory,
    config_entry: MockConfigEntry,
) -> None:
    """Test if reload/restart does not trigger home when device is unavailable."""
    assert hass.states.get("device_tracker.10_10_10_10").state == "home"

    with patch(
        "homeassistant.components.ping.helpers.async_ping",
        return_value=Host("10.10.10.10", 5, []),
    ):
        # device should be "not_home" after consider_home interval
        freezer.tick(timedelta(minutes=5, seconds=10))
        async_fire_time_changed(hass)
        await hass.async_block_till_done()

        assert hass.states.get("device_tracker.10_10_10_10").state == "not_home"

        # reload config entry
        await hass.config_entries.async_reload(config_entry.entry_id)
        await hass.async_block_till_done()

    # device should still be "not_home" after a reload
    assert hass.states.get("device_tracker.10_10_10_10").state == "not_home"

    # device should be "home" after the next refresh
    freezer.tick(timedelta(seconds=30))
    async_fire_time_changed(hass)
    await hass.async_block_till_done()

    assert hass.states.get("device_tracker.10_10_10_10").state == "home"