"""Support for Hass.io."""

from __future__ import annotations

import asyncio
from contextlib import suppress
from datetime import datetime
from functools import partial
import logging
import os
import re
import struct
from typing import Any, NamedTuple

from aiohasupervisor import SupervisorError
from aiohasupervisor.models import GreenOptions, YellowOptions  # noqa: F401
import voluptuous as vol

from homeassistant.auth.const import GROUP_ID_ADMIN
from homeassistant.components import panel_custom
from homeassistant.components.homeassistant import async_set_stop_handler
from homeassistant.components.http import StaticPathConfig
from homeassistant.config_entries import SOURCE_SYSTEM, ConfigEntry
from homeassistant.const import (
    ATTR_NAME,
    EVENT_CORE_CONFIG_UPDATE,
    HASSIO_USER_NAME,
    Platform,
)
from homeassistant.core import (
    Event,
    HassJob,
    HomeAssistant,
    ServiceCall,
    async_get_hass_or_none,
    callback,
)
from homeassistant.helpers import (
    config_validation as cv,
    device_registry as dr,
    discovery_flow,
    issue_registry as ir,
)
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.deprecation import (
    DeprecatedConstant,
    all_with_deprecated_constants,
    check_if_deprecated_constant,
    deprecated_function,
    dir_with_deprecated_constants,
)
from homeassistant.helpers.event import async_call_later
from homeassistant.helpers.hassio import (
    get_supervisor_ip as _get_supervisor_ip,
    is_hassio as _is_hassio,
)
from homeassistant.helpers.issue_registry import IssueSeverity
from homeassistant.helpers.service_info.hassio import (
    HassioServiceInfo as _HassioServiceInfo,
)
from homeassistant.helpers.typing import ConfigType
from homeassistant.loader import bind_hass
from homeassistant.util.async_ import create_eager_task
from homeassistant.util.dt import now

# config_flow, diagnostics, system_health, and entity platforms are imported to
# ensure other dependencies that wait for hassio are not waiting
# for hassio to import its platforms
# backup is pre-imported to ensure that the backup integration does not load
# it from the event loop
from . import (  # noqa: F401
    backup,
    binary_sensor,
    config_flow,
    diagnostics,
    sensor,
    switch,
    system_health,
    update,
)
from .addon_manager import AddonError, AddonInfo, AddonManager, AddonState  # noqa: F401
from .addon_panel import async_setup_addon_panel
from .auth import async_setup_auth_view
from .config import HassioConfig
from .const import (
    ADDONS_COORDINATOR,
    ATTR_ADDON,
    ATTR_ADDONS,
    ATTR_COMPRESSED,
    ATTR_FOLDERS,
    ATTR_HOMEASSISTANT,
    ATTR_HOMEASSISTANT_EXCLUDE_DATABASE,
    ATTR_INPUT,
    ATTR_LOCATION,
    ATTR_PASSWORD,
    ATTR_SLUG,
    DATA_COMPONENT,
    DATA_CONFIG_STORE,
    DATA_CORE_INFO,
    DATA_HOST_INFO,
    DATA_INFO,
    DATA_KEY_SUPERVISOR_ISSUES,
    DATA_NETWORK_INFO,
    DATA_OS_INFO,
    DATA_STORE,
    DATA_SUPERVISOR_INFO,
    DOMAIN,
    HASSIO_UPDATE_INTERVAL,
)
from .coordinator import (
    HassioDataUpdateCoordinator,
    get_addons_info,
    get_addons_stats,  # noqa: F401
    get_core_info,  # noqa: F401
    get_core_stats,  # noqa: F401
    get_host_info,  # noqa: F401
    get_info,
    get_issues_info,  # noqa: F401
    get_os_info,
    get_supervisor_info,  # noqa: F401
    get_supervisor_stats,  # noqa: F401
)
from .discovery import async_setup_discovery_view
from .handler import (  # noqa: F401
    HassIO,
    HassioAPIError,
    async_update_diagnostics,
    get_supervisor_client,
)
from .http import HassIOView
from .ingress import async_setup_ingress_view
from .issues import SupervisorIssues
from .websocket_api import async_load_websocket_api

_LOGGER = logging.getLogger(__name__)

get_supervisor_ip = deprecated_function(
    "homeassistant.helpers.hassio.get_supervisor_ip", breaks_in_ha_version="2025.11"
)(_get_supervisor_ip)
_DEPRECATED_HassioServiceInfo = DeprecatedConstant(
    _HassioServiceInfo,
    "homeassistant.helpers.service_info.hassio.HassioServiceInfo",
    "2025.11",
)

# If new platforms are added, be sure to import them above
# so we do not make other components that depend on hassio
# wait for the import of the platforms
PLATFORMS = [Platform.BINARY_SENSOR, Platform.SENSOR, Platform.SWITCH, Platform.UPDATE]

CONF_FRONTEND_REPO = "development_repo"

CONFIG_SCHEMA = vol.Schema(
    {vol.Optional(DOMAIN): vol.Schema({vol.Optional(CONF_FRONTEND_REPO): cv.isdir})},
    extra=vol.ALLOW_EXTRA,
)

SERVICE_ADDON_START = "addon_start"
SERVICE_ADDON_STOP = "addon_stop"
SERVICE_ADDON_RESTART = "addon_restart"
SERVICE_ADDON_STDIN = "addon_stdin"
SERVICE_HOST_SHUTDOWN = "host_shutdown"
SERVICE_HOST_REBOOT = "host_reboot"
SERVICE_BACKUP_FULL = "backup_full"
SERVICE_BACKUP_PARTIAL = "backup_partial"
SERVICE_RESTORE_FULL = "restore_full"
SERVICE_RESTORE_PARTIAL = "restore_partial"

VALID_ADDON_SLUG = vol.Match(re.compile(r"^[-_.A-Za-z0-9]+$"))

DEPRECATION_URL = (
    "https://www.home-assistant.io/blog/2025/05/22/"
    "deprecating-core-and-supervised-installation-methods-and-32-bit-systems/"
)


def valid_addon(value: Any) -> str:
    """Validate value is a valid addon slug."""
    value = VALID_ADDON_SLUG(value)
    hass = async_get_hass_or_none()

    if hass and (addons := get_addons_info(hass)) is not None and value not in addons:
        raise vol.Invalid("Not a valid add-on slug")
    return value


SCHEMA_NO_DATA = vol.Schema({})

SCHEMA_ADDON = vol.Schema({vol.Required(ATTR_ADDON): valid_addon})

SCHEMA_ADDON_STDIN = SCHEMA_ADDON.extend(
    {vol.Required(ATTR_INPUT): vol.Any(dict, cv.string)}
)

SCHEMA_BACKUP_FULL = vol.Schema(
    {
        vol.Optional(
            ATTR_NAME, default=lambda: now().strftime("%Y-%m-%d %H:%M:%S")
        ): cv.string,
        vol.Optional(ATTR_PASSWORD): cv.string,
        vol.Optional(ATTR_COMPRESSED): cv.boolean,
        vol.Optional(ATTR_LOCATION): vol.All(
            cv.string, lambda v: None if v == "/backup" else v
        ),
        vol.Optional(ATTR_HOMEASSISTANT_EXCLUDE_DATABASE): cv.boolean,
    }
)

SCHEMA_BACKUP_PARTIAL = SCHEMA_BACKUP_FULL.extend(
    {
        vol.Optional(ATTR_HOMEASSISTANT): cv.boolean,
        vol.Optional(ATTR_FOLDERS): vol.All(cv.ensure_list, [cv.string]),
        vol.Optional(ATTR_ADDONS): vol.All(cv.ensure_list, [VALID_ADDON_SLUG]),
    }
)

SCHEMA_RESTORE_FULL = vol.Schema(
    {
        vol.Required(ATTR_SLUG): cv.slug,
        vol.Optional(ATTR_PASSWORD): cv.string,
    }
)

SCHEMA_RESTORE_PARTIAL = SCHEMA_RESTORE_FULL.extend(
    {
        vol.Optional(ATTR_HOMEASSISTANT): cv.boolean,
        vol.Optional(ATTR_FOLDERS): vol.All(cv.ensure_list, [cv.string]),
        vol.Optional(ATTR_ADDONS): vol.All(cv.ensure_list, [VALID_ADDON_SLUG]),
    }
)


def _is_32_bit() -> bool:
    size = struct.calcsize("P")
    return size * 8 == 32


class APIEndpointSettings(NamedTuple):
    """Settings for API endpoint."""

    command: str
    schema: vol.Schema
    timeout: int | None = 60
    pass_data: bool = False


MAP_SERVICE_API = {
    SERVICE_ADDON_START: APIEndpointSettings("/addons/{addon}/start", SCHEMA_ADDON),
    SERVICE_ADDON_STOP: APIEndpointSettings("/addons/{addon}/stop", SCHEMA_ADDON),
    SERVICE_ADDON_RESTART: APIEndpointSettings("/addons/{addon}/restart", SCHEMA_ADDON),
    SERVICE_ADDON_STDIN: APIEndpointSettings(
        "/addons/{addon}/stdin", SCHEMA_ADDON_STDIN
    ),
    SERVICE_HOST_SHUTDOWN: APIEndpointSettings("/host/shutdown", SCHEMA_NO_DATA),
    SERVICE_HOST_REBOOT: APIEndpointSettings("/host/reboot", SCHEMA_NO_DATA),
    SERVICE_BACKUP_FULL: APIEndpointSettings(
        "/backups/new/full",
        SCHEMA_BACKUP_FULL,
        None,
        True,
    ),
    SERVICE_BACKUP_PARTIAL: APIEndpointSettings(
        "/backups/new/partial",
        SCHEMA_BACKUP_PARTIAL,
        None,
        True,
    ),
    SERVICE_RESTORE_FULL: APIEndpointSettings(
        "/backups/{slug}/restore/full",
        SCHEMA_RESTORE_FULL,
        None,
        True,
    ),
    SERVICE_RESTORE_PARTIAL: APIEndpointSettings(
        "/backups/{slug}/restore/partial",
        SCHEMA_RESTORE_PARTIAL,
        None,
        True,
    ),
}

HARDWARE_INTEGRATIONS = {
    "green": "homeassistant_green",
    "odroid-c2": "hardkernel",
    "odroid-c4": "hardkernel",
    "odroid-m1": "hardkernel",
    "odroid-m1s": "hardkernel",
    "odroid-n2": "hardkernel",
    "odroid-xu4": "hardkernel",
    "rpi2": "raspberry_pi",
    "rpi3": "raspberry_pi",
    "rpi3-64": "raspberry_pi",
    "rpi4": "raspberry_pi",
    "rpi4-64": "raspberry_pi",
    "rpi5-64": "raspberry_pi",
    "yellow": "homeassistant_yellow",
}


def hostname_from_addon_slug(addon_slug: str) -> str:
    """Return hostname of add-on."""
    return addon_slug.replace("_", "-")


@callback
@deprecated_function(
    "homeassistant.helpers.hassio.is_hassio", breaks_in_ha_version="2025.11"
)
@bind_hass
def is_hassio(hass: HomeAssistant) -> bool:
    """Return true if Hass.io is loaded.

    Async friendly.
    """
    return _is_hassio(hass)


async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:  # noqa: C901
    """Set up the Hass.io component."""
    # Check local setup
    for env in ("SUPERVISOR", "SUPERVISOR_TOKEN"):
        if os.environ.get(env):
            continue
        _LOGGER.error("Missing %s environment variable", env)
        if config_entries := hass.config_entries.async_entries(DOMAIN):
            hass.async_create_task(
                hass.config_entries.async_remove(config_entries[0].entry_id)
            )
        return False

    async_load_websocket_api(hass)

    host = os.environ["SUPERVISOR"]
    websession = async_get_clientsession(hass)
    hass.data[DATA_COMPONENT] = hassio = HassIO(hass.loop, websession, host)
    supervisor_client = get_supervisor_client(hass)

    try:
        await supervisor_client.supervisor.ping()
    except SupervisorError:
        _LOGGER.warning("Not connected with the supervisor / system too busy!")

    # Load the store
    config_store = HassioConfig(hass)
    await config_store.load()
    hass.data[DATA_CONFIG_STORE] = config_store

    refresh_token = None
    if (hassio_user := config_store.data.hassio_user) is not None:
        user = await hass.auth.async_get_user(hassio_user)
        if user and user.refresh_tokens:
            refresh_token = list(user.refresh_tokens.values())[0]

            # Migrate old Hass.io users to be admin.
            if not user.is_admin:
                await hass.auth.async_update_user(user, group_ids=[GROUP_ID_ADMIN])

            # Migrate old name
            if user.name == "Hass.io":
                await hass.auth.async_update_user(user, name=HASSIO_USER_NAME)

    if refresh_token is None:
        user = await hass.auth.async_create_system_user(
            HASSIO_USER_NAME, group_ids=[GROUP_ID_ADMIN]
        )
        refresh_token = await hass.auth.async_create_refresh_token(user)
        config_store.update(hassio_user=user.id)

    # This overrides the normal API call that would be forwarded
    development_repo = config.get(DOMAIN, {}).get(CONF_FRONTEND_REPO)
    if development_repo is not None:
        await hass.http.async_register_static_paths(
            [
                StaticPathConfig(
                    "/api/hassio/app",
                    os.path.join(development_repo, "hassio/build"),
                    False,
                )
            ]
        )

    hass.http.register_view(HassIOView(host, websession))

    await panel_custom.async_register_panel(
        hass,
        frontend_url_path="hassio",
        webcomponent_name="hassio-main",
        js_url="/api/hassio/app/entrypoint.js",
        embed_iframe=True,
        require_admin=True,
    )

    update_hass_api_task = hass.async_create_task(
        hassio.update_hass_api(config.get("http", {}), refresh_token), eager_start=True
    )

    last_timezone = None
    last_country = None

    async def push_config(_: Event | None) -> None:
        """Push core config to Hass.io."""
        nonlocal last_timezone
        nonlocal last_country

        new_timezone = str(hass.config.time_zone)
        new_country = str(hass.config.country)

        if new_timezone != last_timezone or new_country != last_country:
            last_timezone = new_timezone
            last_country = new_country
            await hassio.update_hass_config(new_timezone, new_country)

    hass.bus.async_listen(EVENT_CORE_CONFIG_UPDATE, push_config)

    push_config_task = hass.async_create_task(push_config(None), eager_start=True)
    # Start listening for problems with supervisor and making issues
    hass.data[DATA_KEY_SUPERVISOR_ISSUES] = issues = SupervisorIssues(hass, hassio)
    issues_task = hass.async_create_task(issues.setup(), eager_start=True)

    async def async_service_handler(service: ServiceCall) -> None:
        """Handle service calls for Hass.io."""
        api_endpoint = MAP_SERVICE_API[service.service]

        data = service.data.copy()
        addon = data.pop(ATTR_ADDON, None)
        slug = data.pop(ATTR_SLUG, None)
        payload = None

        # Pass data to Hass.io API
        if service.service == SERVICE_ADDON_STDIN:
            payload = data[ATTR_INPUT]
        elif api_endpoint.pass_data:
            payload = data

        # Call API
        # The exceptions are logged properly in hassio.send_command
        with suppress(HassioAPIError):
            await hassio.send_command(
                api_endpoint.command.format(addon=addon, slug=slug),
                payload=payload,
                timeout=api_endpoint.timeout,
            )

    for service, settings in MAP_SERVICE_API.items():
        hass.services.async_register(
            DOMAIN, service, async_service_handler, schema=settings.schema
        )

    async def update_info_data(_: datetime | None = None) -> None:
        """Update last available supervisor information."""
        supervisor_client = get_supervisor_client(hass)

        try:
            (
                hass.data[DATA_INFO],
                hass.data[DATA_HOST_INFO],
                store_info,
                hass.data[DATA_CORE_INFO],
                hass.data[DATA_SUPERVISOR_INFO],
                hass.data[DATA_OS_INFO],
                hass.data[DATA_NETWORK_INFO],
            ) = await asyncio.gather(
                create_eager_task(hassio.get_info()),
                create_eager_task(hassio.get_host_info()),
                create_eager_task(supervisor_client.store.info()),
                create_eager_task(hassio.get_core_info()),
                create_eager_task(hassio.get_supervisor_info()),
                create_eager_task(hassio.get_os_info()),
                create_eager_task(hassio.get_network_info()),
            )

        except HassioAPIError as err:
            _LOGGER.warning("Can't read Supervisor data: %s", err)
        else:
            hass.data[DATA_STORE] = store_info.to_dict()

        async_call_later(
            hass,
            HASSIO_UPDATE_INTERVAL,
            HassJob(update_info_data, cancel_on_shutdown=True),
        )

    # Fetch data
    update_info_task = hass.async_create_task(update_info_data(), eager_start=True)

    async def _async_stop(hass: HomeAssistant, restart: bool) -> None:
        """Stop or restart home assistant."""
        if restart:
            await supervisor_client.homeassistant.restart()
        else:
            await supervisor_client.homeassistant.stop()

    # Set a custom handler for the homeassistant.restart and homeassistant.stop services
    async_set_stop_handler(hass, _async_stop)

    # Init discovery Hass.io feature
    async_setup_discovery_view(hass, hassio)

    # Init auth Hass.io feature
    assert user is not None
    async_setup_auth_view(hass, user)

    # Init ingress Hass.io feature
    async_setup_ingress_view(hass, host)

    # Init add-on ingress panels
    panels_task = hass.async_create_task(
        async_setup_addon_panel(hass, hassio), eager_start=True
    )

    # Make sure to await the update_info task before
    # _async_setup_hardware_integration is called
    # so the hardware integration can be set up
    # and does not fallback to calling later
    await update_hass_api_task
    await panels_task
    await update_info_task
    await push_config_task
    await issues_task

    # Setup hardware integration for the detected board type
    @callback
    def _async_setup_hardware_integration(_: datetime | None = None) -> None:
        """Set up hardware integration for the detected board type."""
        if (os_info := get_os_info(hass)) is None:
            # os info not yet fetched from supervisor, retry later
            async_call_later(
                hass,
                HASSIO_UPDATE_INTERVAL,
                async_setup_hardware_integration_job,
            )
            return
        if (board := os_info.get("board")) is None:
            return
        if (hw_integration := HARDWARE_INTEGRATIONS.get(board)) is None:
            return
        discovery_flow.async_create_flow(
            hass, hw_integration, context={"source": SOURCE_SYSTEM}, data={}
        )

    async_setup_hardware_integration_job = HassJob(
        _async_setup_hardware_integration, cancel_on_shutdown=True
    )

    _async_setup_hardware_integration()
    discovery_flow.async_create_flow(
        hass, DOMAIN, context={"source": SOURCE_SYSTEM}, data={}
    )
    return True


async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
    """Set up a config entry."""
    dev_reg = dr.async_get(hass)
    coordinator = HassioDataUpdateCoordinator(hass, entry, dev_reg)
    await coordinator.async_config_entry_first_refresh()
    hass.data[ADDONS_COORDINATOR] = coordinator

    def deprecated_setup_issue() -> None:
        os_info = get_os_info(hass)
        info = get_info(hass)
        if os_info is None or info is None:
            return
        is_haos = info.get("hassos") is not None
        board = os_info.get("board")
        arch = info.get("arch", "unknown")
        unsupported_board = board in {"tinker", "odroid-xu4", "rpi2"}
        unsupported_os_on_board = board in {"rpi3", "rpi4"}
        if is_haos and (unsupported_board or unsupported_os_on_board):
            issue_id = "deprecated_os_"
            if unsupported_os_on_board:
                issue_id += "aarch64"
            elif unsupported_board:
                issue_id += "armv7"
            ir.async_create_issue(
                hass,
                "homeassistant",
                issue_id,
                learn_more_url=DEPRECATION_URL,
                is_fixable=False,
                severity=IssueSeverity.WARNING,
                translation_key=issue_id,
                translation_placeholders={
                    "installation_guide": "https://www.home-assistant.io/installation/",
                },
            )
        bit32 = _is_32_bit()
        deprecated_architecture = bit32 and not (
            unsupported_board or unsupported_os_on_board
        )
        if not is_haos or deprecated_architecture:
            issue_id = "deprecated"
            if not is_haos:
                issue_id += "_method"
            if deprecated_architecture:
                issue_id += "_architecture"
            ir.async_create_issue(
                hass,
                "homeassistant",
                issue_id,
                learn_more_url=DEPRECATION_URL,
                is_fixable=False,
                severity=IssueSeverity.WARNING,
                translation_key=issue_id,
                translation_placeholders={
                    "installation_type": "OS" if is_haos else "Supervised",
                    "arch": arch,
                },
            )
        listener()

    listener = coordinator.async_add_listener(deprecated_setup_issue)

    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)

    return True


async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
    """Unload a config entry."""
    unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)

    # Unload coordinator
    coordinator: HassioDataUpdateCoordinator = hass.data[ADDONS_COORDINATOR]
    coordinator.unload()

    # Pop coordinator
    hass.data.pop(ADDONS_COORDINATOR, None)

    return unload_ok


# These can be removed if no deprecated constant are in this module anymore
__getattr__ = partial(check_if_deprecated_constant, module_globals=globals())
__dir__ = partial(
    dir_with_deprecated_constants, module_globals_keys=[*globals().keys()]
)
__all__ = all_with_deprecated_constants(globals())
