"""Test UniFi Network."""

from collections.abc import Callable
from http import HTTPStatus
from types import MappingProxyType
from typing import Any
from unittest.mock import patch

import aiounifi
import pytest

from homeassistant.components.unifi.const import DOMAIN as UNIFI_DOMAIN
from homeassistant.components.unifi.errors import AuthenticationRequired, CannotConnect
from homeassistant.components.unifi.hub import get_unifi_api
from homeassistant.config_entries import ConfigEntry, ConfigEntryState
from homeassistant.const import CONF_HOST, Platform
from homeassistant.core import HomeAssistant
from homeassistant.helpers import device_registry as dr
import homeassistant.util.dt as dt_util

from tests.test_util.aiohttp import AiohttpClientMocker


async def test_hub_setup(
    device_registry: dr.DeviceRegistry,
    config_entry_factory: Callable[[], ConfigEntry],
) -> None:
    """Successful setup."""
    with patch(
        "homeassistant.config_entries.ConfigEntries.async_forward_entry_setups",
        return_value=True,
    ) as forward_entry_setup:
        config_entry = await config_entry_factory()

    assert len(forward_entry_setup.mock_calls) == 1
    assert forward_entry_setup.mock_calls[0][1] == (
        config_entry,
        [
            Platform.BUTTON,
            Platform.DEVICE_TRACKER,
            Platform.IMAGE,
            Platform.SENSOR,
            Platform.SWITCH,
            Platform.UPDATE,
        ],
    )

    device_entry = device_registry.async_get_or_create(
        config_entry_id=config_entry.entry_id,
        identifiers={(UNIFI_DOMAIN, config_entry.unique_id)},
    )

    assert device_entry.sw_version == "7.4.162"


async def test_reset_after_successful_setup(
    hass: HomeAssistant, config_entry_setup: ConfigEntry
) -> None:
    """Calling reset when the entry has been setup."""
    assert config_entry_setup.state is ConfigEntryState.LOADED

    assert await hass.config_entries.async_unload(config_entry_setup.entry_id)
    assert config_entry_setup.state is ConfigEntryState.NOT_LOADED


async def test_reset_fails(
    hass: HomeAssistant, config_entry_setup: ConfigEntry
) -> None:
    """Calling reset when the entry has been setup can return false."""
    assert config_entry_setup.state is ConfigEntryState.LOADED

    with patch(
        "homeassistant.config_entries.ConfigEntries.async_forward_entry_unload",
        return_value=False,
    ):
        assert not await hass.config_entries.async_unload(config_entry_setup.entry_id)
        assert config_entry_setup.state is ConfigEntryState.LOADED


@pytest.mark.usefixtures("mock_device_registry")
async def test_connection_state_signalling(
    hass: HomeAssistant,
    mock_websocket_state,
    config_entry_factory: Callable[[], ConfigEntry],
    client_payload: list[dict[str, Any]],
) -> None:
    """Verify connection statesignalling and connection state are working."""
    client_payload.append(
        {
            "hostname": "client",
            "ip": "10.0.0.1",
            "is_wired": True,
            "last_seen": dt_util.as_timestamp(dt_util.utcnow()),
            "mac": "00:00:00:00:00:01",
        }
    )
    await config_entry_factory()

    # Controller is connected
    assert hass.states.get("device_tracker.client").state == "home"

    await mock_websocket_state.disconnect()
    # Controller is disconnected
    assert hass.states.get("device_tracker.client").state == "unavailable"

    await mock_websocket_state.reconnect()
    # Controller is once again connected
    assert hass.states.get("device_tracker.client").state == "home"


async def test_reconnect_mechanism(
    aioclient_mock: AiohttpClientMocker,
    mock_websocket_state,
    config_entry_setup: ConfigEntry,
) -> None:
    """Verify reconnect prints only on first reconnection try."""
    aioclient_mock.clear_requests()
    aioclient_mock.get(
        f"https://{config_entry_setup.data[CONF_HOST]}:1234/",
        status=HTTPStatus.BAD_GATEWAY,
    )

    await mock_websocket_state.disconnect()
    assert aioclient_mock.call_count == 0

    await mock_websocket_state.reconnect(fail=True)
    assert aioclient_mock.call_count == 1

    await mock_websocket_state.reconnect(fail=True)
    assert aioclient_mock.call_count == 2


@pytest.mark.parametrize(
    "exception",
    [
        TimeoutError,
        aiounifi.BadGateway,
        aiounifi.ServiceUnavailable,
        aiounifi.AiounifiException,
    ],
)
@pytest.mark.usefixtures("config_entry_setup")
async def test_reconnect_mechanism_exceptions(mock_websocket_state, exception) -> None:
    """Verify async_reconnect calls expected methods."""
    with (
        patch("aiounifi.Controller.login", side_effect=exception),
        patch(
            "homeassistant.components.unifi.hub.hub.UnifiWebsocket.reconnect"
        ) as mock_reconnect,
    ):
        await mock_websocket_state.disconnect()

        await mock_websocket_state.reconnect()
        mock_reconnect.assert_called_once()


@pytest.mark.parametrize(
    ("side_effect", "raised_exception"),
    [
        (TimeoutError, CannotConnect),
        (aiounifi.BadGateway, CannotConnect),
        (aiounifi.Forbidden, CannotConnect),
        (aiounifi.ServiceUnavailable, CannotConnect),
        (aiounifi.RequestError, CannotConnect),
        (aiounifi.ResponseError, CannotConnect),
        (aiounifi.Unauthorized, AuthenticationRequired),
        (aiounifi.LoginRequired, AuthenticationRequired),
        (aiounifi.AiounifiException, AuthenticationRequired),
    ],
)
async def test_get_unifi_api_fails_to_connect(
    hass: HomeAssistant,
    side_effect,
    raised_exception,
    config_entry_data: MappingProxyType[str, Any],
) -> None:
    """Check that get_unifi_api can handle UniFi Network being unavailable."""
    with (
        patch("aiounifi.Controller.login", side_effect=side_effect),
        pytest.raises(raised_exception),
    ):
        await get_unifi_api(hass, config_entry_data)