"""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.components.device_tracker import legacy
from homeassistant.components.ping.const import DOMAIN
from homeassistant.const import EVENT_HOMEASSISTANT_STARTED
from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN, HomeAssistant
from homeassistant.helpers import entity_registry as er, issue_registry as ir
from homeassistant.setup import async_setup_component
from homeassistant.util.yaml import dump

from tests.common import MockConfigEntry, async_fire_time_changed, patch_yaml_files


@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"


async def test_import_issue_creation(
    hass: HomeAssistant,
    issue_registry: ir.IssueRegistry,
) -> None:
    """Test if import issue is raised."""

    await async_setup_component(
        hass,
        "device_tracker",
        {"device_tracker": {"platform": "ping", "hosts": {"test": "10.10.10.10"}}},
    )
    await hass.async_block_till_done()

    hass.bus.async_fire(EVENT_HOMEASSISTANT_STARTED)
    await hass.async_block_till_done()

    issue = issue_registry.async_get_issue(
        HOMEASSISTANT_DOMAIN, f"deprecated_yaml_{DOMAIN}"
    )
    assert issue


async def test_import_delete_known_devices(hass: HomeAssistant) -> None:
    """Test if import deletes known devices."""
    yaml_devices = {
        "test": {
            "hide_if_away": True,
            "mac": "00:11:22:33:44:55",
            "name": "Test name",
            "picture": "/local/test.png",
            "track": True,
        },
    }
    files = {legacy.YAML_DEVICES: dump(yaml_devices)}

    with (
        patch_yaml_files(files, True),
        patch(
            "homeassistant.components.ping.device_tracker.remove_device_from_config"
        ) as remove_device_from_config,
    ):
        await async_setup_component(
            hass,
            "device_tracker",
            {"device_tracker": {"platform": "ping", "hosts": {"test": "10.10.10.10"}}},
        )
        await hass.async_block_till_done()

        hass.bus.async_fire(EVENT_HOMEASSISTANT_STARTED)
        await hass.async_block_till_done()

        assert len(remove_device_from_config.mock_calls) == 1


@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"