"""Tests for rainbird calendar platform."""


from collections.abc import Awaitable, Callable
import datetime
from http import HTTPStatus
from typing import Any
import urllib
from zoneinfo import ZoneInfo

from aiohttp import ClientSession
from freezegun.api import FrozenDateTimeFactory
import pytest

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

from .conftest import ComponentSetup, mock_response, mock_response_error

from tests.test_util.aiohttp import AiohttpClientMockResponse

TEST_ENTITY = "calendar.rain_bird_controller"
GetEventsFn = Callable[[str, str], Awaitable[dict[str, Any]]]

SCHEDULE_RESPONSES = [
    # Current controller status
    "A0000000000000",
    # Per-program information
    "A00010060602006400",  # CUSTOM: Monday & Tuesday
    "A00011110602006400",
    "A00012000300006400",
    # Start times per program
    "A0006000F0FFFFFFFFFFFF",  # 4am
    "A00061FFFFFFFFFFFFFFFF",
    "A00062FFFFFFFFFFFFFFFF",
    # Run times for each zone
    "A00080001900000000001400000000",  # zone1=25, zone2=20
    "A00081000700000000001400000000",  # zone3=7, zone4=20
    "A00082000A00000000000000000000",  # zone5=10
    "A00083000000000000000000000000",
    "A00084000000000000000000000000",
    "A00085000000000000000000000000",
    "A00086000000000000000000000000",
    "A00087000000000000000000000000",
    "A00088000000000000000000000000",
    "A00089000000000000000000000000",
    "A0008A000000000000000000000000",
]

EMPTY_SCHEDULE_RESPONSES = [
    # Current controller status
    "A0000000000000",
    # Per-program information (ignored)
    "A00010000000000000",
    "A00011000000000000",
    "A00012000000000000",
    # Start times for each program (off)
    "A00060FFFFFFFFFFFFFFFF",
    "A00061FFFFFFFFFFFFFFFF",
    "A00062FFFFFFFFFFFFFFFF",
    # Run times for each zone
    "A00080000000000000000000000000",
    "A00081000000000000000000000000",
    "A00082000000000000000000000000",
    "A00083000000000000000000000000",
    "A00084000000000000000000000000",
    "A00085000000000000000000000000",
    "A00086000000000000000000000000",
    "A00087000000000000000000000000",
    "A00088000000000000000000000000",
    "A00089000000000000000000000000",
    "A0008A000000000000000000000000",
]


@pytest.fixture
def platforms() -> list[str]:
    """Fixture to specify platforms to test."""
    return [Platform.CALENDAR]


@pytest.fixture(autouse=True)
def set_time_zone(hass: HomeAssistant):
    """Set the time zone for the tests."""
    hass.config.set_time_zone("America/Regina")


@pytest.fixture(autouse=True)
def mock_schedule_responses() -> list[str]:
    """Fixture containing fake irrigation schedule."""
    return SCHEDULE_RESPONSES


@pytest.fixture(autouse=True)
def mock_insert_schedule_response(
    mock_schedule_responses: list[str], responses: list[AiohttpClientMockResponse]
) -> None:
    """Fixture to insert device responses for the irrigation schedule."""
    responses.extend(
        [mock_response(api_response) for api_response in mock_schedule_responses]
    )


@pytest.fixture(name="get_events")
def get_events_fixture(
    hass_client: Callable[..., Awaitable[ClientSession]]
) -> GetEventsFn:
    """Fetch calendar events from the HTTP API."""

    async def _fetch(start: str, end: str) -> list[dict[str, Any]]:
        client = await hass_client()
        response = await client.get(
            f"/api/calendars/{TEST_ENTITY}?start={urllib.parse.quote(start)}&end={urllib.parse.quote(end)}"
        )
        assert response.status == HTTPStatus.OK
        results = await response.json()
        return [{k: event[k] for k in {"summary", "start", "end"}} for event in results]

    return _fetch


@pytest.mark.freeze_time("2023-01-21 09:32:00")
async def test_get_events(
    hass: HomeAssistant, setup_integration: ComponentSetup, get_events: GetEventsFn
) -> None:
    """Test calendar event fetching APIs."""

    assert await setup_integration()

    events = await get_events("2023-01-20T00:00:00Z", "2023-02-05T00:00:00Z")
    assert events == [
        # Monday
        {
            "summary": "PGM A",
            "start": {"dateTime": "2023-01-23T04:00:00-06:00"},
            "end": {"dateTime": "2023-01-23T05:22:00-06:00"},
        },
        # Tuesday
        {
            "summary": "PGM A",
            "start": {"dateTime": "2023-01-24T04:00:00-06:00"},
            "end": {"dateTime": "2023-01-24T05:22:00-06:00"},
        },
        # Monday
        {
            "summary": "PGM A",
            "start": {"dateTime": "2023-01-30T04:00:00-06:00"},
            "end": {"dateTime": "2023-01-30T05:22:00-06:00"},
        },
        # Tuesday
        {
            "summary": "PGM A",
            "start": {"dateTime": "2023-01-31T04:00:00-06:00"},
            "end": {"dateTime": "2023-01-31T05:22:00-06:00"},
        },
    ]


@pytest.mark.parametrize(
    ("freeze_time", "expected_state"),
    [
        (
            datetime.datetime(2023, 1, 23, 3, 50, tzinfo=ZoneInfo("America/Regina")),
            "off",
        ),
        (
            datetime.datetime(2023, 1, 23, 4, 30, tzinfo=ZoneInfo("America/Regina")),
            "on",
        ),
    ],
)
async def test_event_state(
    hass: HomeAssistant,
    setup_integration: ComponentSetup,
    get_events: GetEventsFn,
    freezer: FrozenDateTimeFactory,
    freeze_time: datetime.datetime,
    expected_state: str,
    entity_registry: er.EntityRegistry,
) -> None:
    """Test calendar upcoming event state."""
    freezer.move_to(freeze_time)

    assert await setup_integration()

    state = hass.states.get(TEST_ENTITY)
    assert state is not None
    assert state.attributes == {
        "message": "PGM A",
        "start_time": "2023-01-23 04:00:00",
        "end_time": "2023-01-23 05:22:00",
        "all_day": False,
        "description": "",
        "location": "",
        "friendly_name": "Rain Bird Controller",
        "icon": "mdi:sprinkler",
    }
    assert state.state == expected_state

    entity = entity_registry.async_get(TEST_ENTITY)
    assert entity
    assert entity.unique_id == 1263613994342


@pytest.mark.parametrize(
    ("model_and_version_response", "has_entity"),
    [
        ("820005090C", True),
        ("820006090C", False),
    ],
    ids=("ESP-TM2", "ST8x-WiFi"),
)
async def test_calendar_not_supported_by_device(
    hass: HomeAssistant,
    setup_integration: ComponentSetup,
    has_entity: bool,
) -> None:
    """Test calendar upcoming event state."""

    assert await setup_integration()

    state = hass.states.get(TEST_ENTITY)
    assert (state is not None) == has_entity


@pytest.mark.parametrize(
    "mock_insert_schedule_response", [([None])]  # Disable success responses
)
async def test_no_schedule(
    hass: HomeAssistant,
    setup_integration: ComponentSetup,
    get_events: GetEventsFn,
    responses: list[AiohttpClientMockResponse],
    hass_client: Callable[..., Awaitable[ClientSession]],
) -> None:
    """Test calendar error when fetching the calendar."""
    responses.extend([mock_response_error(HTTPStatus.BAD_GATEWAY)])  # Arbitrary error

    assert await setup_integration()

    state = hass.states.get(TEST_ENTITY)
    assert state.state == "unavailable"
    assert state.attributes == {
        "friendly_name": "Rain Bird Controller",
        "icon": "mdi:sprinkler",
    }

    client = await hass_client()
    response = await client.get(
        f"/api/calendars/{TEST_ENTITY}?start=2023-08-01&end=2023-08-02"
    )
    assert response.status == HTTPStatus.INTERNAL_SERVER_ERROR


@pytest.mark.freeze_time("2023-01-21 09:32:00")
@pytest.mark.parametrize(
    "mock_schedule_responses",
    [(EMPTY_SCHEDULE_RESPONSES)],
)
async def test_program_schedule_disabled(
    hass: HomeAssistant,
    setup_integration: ComponentSetup,
    get_events: GetEventsFn,
) -> None:
    """Test calendar when the program is disabled with no upcoming events."""

    assert await setup_integration()

    events = await get_events("2023-01-20T00:00:00Z", "2023-02-05T00:00:00Z")
    assert events == []

    state = hass.states.get(TEST_ENTITY)
    assert state.state == "off"
    assert state.attributes == {
        "friendly_name": "Rain Bird Controller",
        "icon": "mdi:sprinkler",
    }


@pytest.mark.parametrize(
    ("config_entry_unique_id"),
    [
        (None),
    ],
)
async def test_no_unique_id(
    hass: HomeAssistant,
    setup_integration: ComponentSetup,
    get_events: GetEventsFn,
    entity_registry: er.EntityRegistry,
) -> None:
    """Test calendar entity with no unique id."""

    assert await setup_integration()

    state = hass.states.get(TEST_ENTITY)
    assert state is not None
    assert state.attributes.get("friendly_name") == "Rain Bird Controller"

    entity_entry = entity_registry.async_get(TEST_ENTITY)
    assert not entity_entry