"""Test the integration init functionality."""

from collections.abc import Awaitable, Callable, Generator
from typing import Any
from unittest.mock import MagicMock, Mock

import pytest
from requests import HTTPError
import requests_mock

from homeassistant.components.home_connect.const import DOMAIN, OAUTH2_TOKEN
from homeassistant.config_entries import ConfigEntryState
from homeassistant.const import Platform
from homeassistant.core import HomeAssistant
from homeassistant.helpers import device_registry as dr

from .conftest import (
    CLIENT_ID,
    CLIENT_SECRET,
    FAKE_ACCESS_TOKEN,
    FAKE_REFRESH_TOKEN,
    SERVER_ACCESS_TOKEN,
    get_all_appliances,
)

from tests.common import MockConfigEntry
from tests.test_util.aiohttp import AiohttpClientMocker

SERVICE_KV_CALL_PARAMS = [
    {
        "domain": DOMAIN,
        "service": "set_option_active",
        "service_data": {
            "device_id": "DEVICE_ID",
            "key": "",
            "value": "",
            "unit": "",
        },
        "blocking": True,
    },
    {
        "domain": DOMAIN,
        "service": "set_option_selected",
        "service_data": {
            "device_id": "DEVICE_ID",
            "key": "",
            "value": "",
        },
        "blocking": True,
    },
    {
        "domain": DOMAIN,
        "service": "change_setting",
        "service_data": {
            "device_id": "DEVICE_ID",
            "key": "",
            "value": "",
        },
        "blocking": True,
    },
]

SERVICE_COMMAND_CALL_PARAMS = [
    {
        "domain": DOMAIN,
        "service": "pause_program",
        "service_data": {
            "device_id": "DEVICE_ID",
        },
        "blocking": True,
    },
    {
        "domain": DOMAIN,
        "service": "resume_program",
        "service_data": {
            "device_id": "DEVICE_ID",
        },
        "blocking": True,
    },
]


SERVICE_PROGRAM_CALL_PARAMS = [
    {
        "domain": DOMAIN,
        "service": "select_program",
        "service_data": {
            "device_id": "DEVICE_ID",
            "program": "",
            "key": "",
            "value": "",
        },
        "blocking": True,
    },
    {
        "domain": DOMAIN,
        "service": "start_program",
        "service_data": {
            "device_id": "DEVICE_ID",
            "program": "",
            "key": "",
            "value": "",
            "unit": "C",
        },
        "blocking": True,
    },
]

SERVICE_APPLIANCE_METHOD_MAPPING = {
    "set_option_active": "set_options_active_program",
    "set_option_selected": "set_options_selected_program",
    "change_setting": "set_setting",
    "pause_program": "execute_command",
    "resume_program": "execute_command",
    "select_program": "select_program",
    "start_program": "start_program",
}


async def test_api_setup(
    hass: HomeAssistant,
    config_entry: MockConfigEntry,
    integration_setup: Callable[[], Awaitable[bool]],
    setup_credentials: None,
    get_appliances: MagicMock,
) -> None:
    """Test setup and unload."""
    get_appliances.side_effect = get_all_appliances
    assert config_entry.state == ConfigEntryState.NOT_LOADED
    assert await integration_setup()
    assert config_entry.state == ConfigEntryState.LOADED

    assert await hass.config_entries.async_unload(config_entry.entry_id)
    await hass.async_block_till_done()

    assert config_entry.state == ConfigEntryState.NOT_LOADED


async def test_exception_handling(
    bypass_throttle: Generator[None, Any, None],
    hass: HomeAssistant,
    integration_setup: Callable[[], Awaitable[bool]],
    config_entry: MockConfigEntry,
    setup_credentials: None,
    get_appliances: MagicMock,
    problematic_appliance: Mock,
) -> None:
    """Test exception handling."""
    get_appliances.return_value = [problematic_appliance]
    assert config_entry.state == ConfigEntryState.NOT_LOADED
    assert await integration_setup()
    assert config_entry.state == ConfigEntryState.LOADED


@pytest.mark.parametrize("token_expiration_time", [12345])
async def test_token_refresh_success(
    bypass_throttle: Generator[None, Any, None],
    integration_setup: Callable[[], Awaitable[bool]],
    config_entry: MockConfigEntry,
    aioclient_mock: AiohttpClientMocker,
    requests_mock: requests_mock.Mocker,
    setup_credentials: None,
) -> None:
    """Test where token is expired and the refresh attempt succeeds."""

    assert config_entry.data["token"]["access_token"] == FAKE_ACCESS_TOKEN

    requests_mock.post(OAUTH2_TOKEN, json=SERVER_ACCESS_TOKEN)
    requests_mock.get("/api/homeappliances", json={"data": {"homeappliances": []}})

    aioclient_mock.post(
        OAUTH2_TOKEN,
        json=SERVER_ACCESS_TOKEN,
    )
    assert await integration_setup()
    assert config_entry.state == ConfigEntryState.LOADED

    # Verify token request
    assert aioclient_mock.call_count == 1
    assert aioclient_mock.mock_calls[0][2] == {
        "client_id": CLIENT_ID,
        "client_secret": CLIENT_SECRET,
        "grant_type": "refresh_token",
        "refresh_token": FAKE_REFRESH_TOKEN,
    }

    # Verify updated token
    assert (
        config_entry.data["token"]["access_token"]
        == SERVER_ACCESS_TOKEN["access_token"]
    )


async def test_setup(
    hass: HomeAssistant,
    integration_setup: Callable[[], Awaitable[bool]],
    config_entry: MockConfigEntry,
    setup_credentials: None,
) -> None:
    """Test setting up the integration."""
    assert config_entry.state == ConfigEntryState.NOT_LOADED

    assert await integration_setup()
    assert config_entry.state == ConfigEntryState.LOADED

    assert await hass.config_entries.async_unload(config_entry.entry_id)
    await hass.async_block_till_done()

    assert config_entry.state == ConfigEntryState.NOT_LOADED


async def test_update_throttle(
    appliance: Mock,
    hass: HomeAssistant,
    config_entry: MockConfigEntry,
    integration_setup: Callable[[], Awaitable[bool]],
    setup_credentials: None,
    platforms: list[Platform],
    get_appliances: MagicMock,
) -> None:
    """Test to check Throttle functionality."""
    assert config_entry.state == ConfigEntryState.NOT_LOADED

    assert await integration_setup()
    assert config_entry.state == ConfigEntryState.LOADED
    assert get_appliances.call_count == 0


async def test_http_error(
    bypass_throttle: Generator[None, Any, None],
    hass: HomeAssistant,
    config_entry: MockConfigEntry,
    integration_setup: Callable[[], Awaitable[bool]],
    setup_credentials: None,
    get_appliances: MagicMock,
) -> None:
    """Test HTTP errors during setup integration."""
    get_appliances.side_effect = HTTPError(response=MagicMock())
    assert config_entry.state == ConfigEntryState.NOT_LOADED
    assert await integration_setup()
    assert config_entry.state == ConfigEntryState.LOADED
    assert get_appliances.call_count == 1


@pytest.mark.parametrize(
    "service_call",
    SERVICE_KV_CALL_PARAMS + SERVICE_COMMAND_CALL_PARAMS + SERVICE_PROGRAM_CALL_PARAMS,
)
async def test_services(
    service_call: list[dict[str, Any]],
    bypass_throttle: Generator[None, Any, None],
    hass: HomeAssistant,
    config_entry: MockConfigEntry,
    integration_setup: Callable[[], Awaitable[bool]],
    setup_credentials: None,
    get_appliances: MagicMock,
    appliance: Mock,
) -> None:
    """Create and test services."""
    get_appliances.return_value = [appliance]
    assert config_entry.state == ConfigEntryState.NOT_LOADED
    assert await integration_setup()
    assert config_entry.state == ConfigEntryState.LOADED

    device_registry = dr.async_get(hass)
    device_entry = device_registry.async_get_or_create(
        config_entry_id=config_entry.entry_id,
        identifiers={(DOMAIN, appliance.haId)},
    )

    service_name = service_call["service"]
    service_call["service_data"]["device_id"] = device_entry.id
    await hass.services.async_call(**service_call)
    await hass.async_block_till_done()
    assert (
        getattr(appliance, SERVICE_APPLIANCE_METHOD_MAPPING[service_name]).call_count
        == 1
    )


async def test_services_exception(
    bypass_throttle: Generator[None, Any, None],
    hass: HomeAssistant,
    config_entry: MockConfigEntry,
    integration_setup: Callable[[], Awaitable[bool]],
    setup_credentials: None,
    get_appliances: MagicMock,
    appliance: Mock,
) -> None:
    """Raise a ValueError when device id does not match."""
    get_appliances.return_value = [appliance]
    assert config_entry.state == ConfigEntryState.NOT_LOADED
    assert await integration_setup()
    assert config_entry.state == ConfigEntryState.LOADED

    service_call = SERVICE_KV_CALL_PARAMS[0]

    with pytest.raises(ValueError):
        service_call["service_data"]["device_id"] = "DOES_NOT_EXISTS"
        await hass.services.async_call(**service_call)
        await hass.async_block_till