"""Bootstrap Supervisor."""
import logging
import os
from pathlib import Path
import shutil
import signal

from colorlog import ColoredFormatter
import sentry_sdk
from sentry_sdk.integrations.aiohttp import AioHttpIntegration
from sentry_sdk.integrations.logging import LoggingIntegration

from .addons import AddonManager
from .api import RestAPI
from .arch import CpuArch
from .auth import Auth
from .const import (
    ENV_HOMEASSISTANT_REPOSITORY,
    ENV_SUPERVISOR_DEV,
    ENV_SUPERVISOR_MACHINE,
    ENV_SUPERVISOR_NAME,
    ENV_SUPERVISOR_SHARE,
    MACHINE_ID,
    SOCKET_DOCKER,
    SUPERVISOR_VERSION,
    LogLevel,
    UpdateChannel,
)
from .core import Core
from .coresys import CoreSys
from .dbus import DBusManager
from .discovery import Discovery
from .hassos import HassOS
from .homeassistant import HomeAssistant
from .host import HostManager
from .ingress import Ingress
from .misc.filter import filter_data
from .misc.hwmon import HwMonitor
from .misc.scheduler import Scheduler
from .misc.tasks import Tasks
from .plugins import PluginManager
from .resolution import ResolutionManager
from .services import ServiceManager
from .snapshots import SnapshotManager
from .store import StoreManager
from .supervisor import Supervisor
from .updater import Updater
from .utils.dt import fetch_timezone

_LOGGER: logging.Logger = logging.getLogger(__name__)


async def initialize_coresys() -> CoreSys:
    """Initialize supervisor coresys/objects."""
    coresys = CoreSys()

    # Initialize core objects
    coresys.resolution = ResolutionManager(coresys)
    coresys.core = Core(coresys)
    coresys.plugins = PluginManager(coresys)
    coresys.arch = CpuArch(coresys)
    coresys.auth = Auth(coresys)
    coresys.updater = Updater(coresys)
    coresys.api = RestAPI(coresys)
    coresys.supervisor = Supervisor(coresys)
    coresys.homeassistant = HomeAssistant(coresys)
    coresys.addons = AddonManager(coresys)
    coresys.snapshots = SnapshotManager(coresys)
    coresys.host = HostManager(coresys)
    coresys.hwmonitor = HwMonitor(coresys)
    coresys.ingress = Ingress(coresys)
    coresys.tasks = Tasks(coresys)
    coresys.services = ServiceManager(coresys)
    coresys.store = StoreManager(coresys)
    coresys.discovery = Discovery(coresys)
    coresys.dbus = DBusManager(coresys)
    coresys.hassos = HassOS(coresys)
    coresys.scheduler = Scheduler(coresys)

    # diagnostics
    setup_diagnostics(coresys)

    # bootstrap config
    initialize_system_data(coresys)

    # Set Machine/Host ID
    if MACHINE_ID.exists():
        coresys.machine_id = MACHINE_ID.read_text().strip()

    # Init TimeZone
    if coresys.config.timezone == "UTC":
        coresys.config.timezone = await fetch_timezone(coresys.websession)

    # Set machine type
    if os.environ.get(ENV_SUPERVISOR_MACHINE):
        coresys.machine = os.environ[ENV_SUPERVISOR_MACHINE]
    elif os.environ.get(ENV_HOMEASSISTANT_REPOSITORY):
        coresys.machine = os.environ[ENV_HOMEASSISTANT_REPOSITORY][14:-14]
    _LOGGER.debug("Seting up coresys for machine: %s", coresys.machine)

    return coresys


def initialize_system_data(coresys: CoreSys) -> None:
    """Set up the default configuration and create folders."""
    config = coresys.config

    # Home Assistant configuration folder
    if not config.path_homeassistant.is_dir():
        _LOGGER.debug(
            "Creating Home Assistant configuration folder at '%s'",
            config.path_homeassistant,
        )
        config.path_homeassistant.mkdir()

    # Supervisor ssl folder
    if not config.path_ssl.is_dir():
        _LOGGER.debug("Creating Supervisor SSL/TLS folder at '%s'", config.path_ssl)
        config.path_ssl.mkdir()

    # Supervisor addon data folder
    if not config.path_addons_data.is_dir():
        _LOGGER.info(
            "Creating Supervisor Add-on data folder at '%s'", config.path_addons_data
        )
        config.path_addons_data.mkdir(parents=True)

    if not config.path_addons_local.is_dir():
        _LOGGER.debug(
            "Creating Supervisor Add-on local repository folder at '%s'",
            config.path_addons_local,
        )
        config.path_addons_local.mkdir(parents=True)

    if not config.path_addons_git.is_dir():
        _LOGGER.debug(
            "Creating Supervisor Add-on git repositories folder at '%s'",
            config.path_addons_git,
        )
        config.path_addons_git.mkdir(parents=True)

    # Supervisor tmp folder
    if not config.path_tmp.is_dir():
        _LOGGER.debug("Creating Supervisor temp folder at '%s'", config.path_tmp)
        config.path_tmp.mkdir(parents=True)

    # Supervisor backup folder
    if not config.path_backup.is_dir():
        _LOGGER.debug("Creating Supervisor backup folder at '%s'", config.path_backup)
        config.path_backup.mkdir()

    # Share folder
    if not config.path_share.is_dir():
        _LOGGER.debug("Creating Supervisor share folder at '%s'", config.path_share)
        config.path_share.mkdir()

    # Apparmor folder
    if not config.path_apparmor.is_dir():
        _LOGGER.debug(
            "Creating Supervisor Apparmor folder at '%s'", config.path_apparmor
        )
        config.path_apparmor.mkdir()

    # DNS folder
    if not config.path_dns.is_dir():
        _LOGGER.debug("Creating Supervisor DNS folder at '%s'", config.path_dns)
        config.path_dns.mkdir()

    # Audio folder
    if not config.path_audio.is_dir():
        _LOGGER.debug("Creating Supervisor audio folder at '%s'", config.path_audio)
        config.path_audio.mkdir()

    # Media folder
    if not config.path_media.is_dir():
        _LOGGER.debug("Creating Supervisor media folder at '%s'", config.path_media)
        config.path_media.mkdir()

    # Update log level
    coresys.config.modify_log_level()

    # Check if ENV is in development mode
    if bool(os.environ.get(ENV_SUPERVISOR_DEV, 0)):
        _LOGGER.warning("Environment variables 'SUPERVISOR_DEV' is set")
        coresys.updater.channel = UpdateChannel.DEV
        coresys.config.logging = LogLevel.DEBUG
        coresys.config.debug = True


def migrate_system_env(coresys: CoreSys) -> None:
    """Cleanup some stuff after update."""
    config = coresys.config

    # hass.io 0.37 -> 0.38
    old_build = Path(config.path_supervisor, "addons/build")
    if old_build.is_dir():
        try:
            old_build.rmdir()
        except OSError:
            _LOGGER.error("Can't cleanup old Add-on build directory at '%s'", old_build)


def initialize_logging() -> None:
    """Initialize the logging."""
    logging.basicConfig(level=logging.INFO)
    fmt = "%(asctime)s %(levelname)s (%(threadName)s) [%(name)s] %(message)s"
    colorfmt = f"%(log_color)s{fmt}%(reset)s"
    datefmt = "%y-%m-%d %H:%M:%S"

    # suppress overly verbose logs from libraries that aren't helpful
    logging.getLogger("aiohttp.access").setLevel(logging.WARNING)

    logging.getLogger().handlers[0].setFormatter(
        ColoredFormatter(
            colorfmt,
            datefmt=datefmt,
            reset=True,
            log_colors={
                "DEBUG": "cyan",
                "INFO": "green",
                "WARNING": "yellow",
                "ERROR": "red",
                "CRITICAL": "red",
            },
        )
    )


def check_environment() -> None:
    """Check if all environment are exists."""
    # check environment variables
    for key in (ENV_SUPERVISOR_SHARE, ENV_SUPERVISOR_NAME):
        try:
            os.environ[key]
        except KeyError:
            _LOGGER.critical("Can't find '%s' environment variable!", key)

    # Check Machine info
    if not os.environ.get(ENV_HOMEASSISTANT_REPOSITORY) and not os.environ.get(
        ENV_SUPERVISOR_MACHINE
    ):
        _LOGGER.critical("Can't find any kind of machine/homeassistant details!")
    elif not os.environ.get(ENV_SUPERVISOR_MACHINE):
        _LOGGER.info("Use the old homeassistant repository for machine extraction")

    # check docker socket
    if not SOCKET_DOCKER.is_socket():
        _LOGGER.critical("Can't find Docker socket!")

    # check socat exec
    if not shutil.which("gdbus"):
        _LOGGER.critical("Can't find gdbus!")


def reg_signal(loop, coresys: CoreSys) -> None:
    """Register SIGTERM and SIGKILL to stop system."""
    try:
        loop.add_signal_handler(
            signal.SIGTERM, lambda: loop.create_task(coresys.core.stop())
        )
    except (ValueError, RuntimeError):
        _LOGGER.warning("Could not bind to SIGTERM")

    try:
        loop.add_signal_handler(
            signal.SIGHUP, lambda: loop.create_task(coresys.core.stop())
        )
    except (ValueError, RuntimeError):
        _LOGGER.warning("Could not bind to SIGHUP")

    try:
        loop.add_signal_handler(
            signal.SIGINT, lambda: loop.create_task(coresys.core.stop())
        )
    except (ValueError, RuntimeError):
        _LOGGER.warning("Could not bind to SIGINT")


def supervisor_debugger(coresys: CoreSys) -> None:
    """Start debugger if needed."""
    if not coresys.config.debug:
        return
    # pylint: disable=import-outside-toplevel
    import debugpy

    _LOGGER.info("Initializing Supervisor debugger")

    debugpy.listen(("0.0.0.0", 33333))
    if coresys.config.debug_block:
        _LOGGER.debug("Wait until debugger is attached")
        debugpy.wait_for_client()


def setup_diagnostics(coresys: CoreSys) -> None:
    """Sentry diagnostic backend."""
    sentry_logging = LoggingIntegration(
        level=logging.WARNING, event_level=logging.CRITICAL
    )

    _LOGGER.info("Initializing Supervisor Sentry")
    sentry_sdk.init(
        dsn="https://9c6ea70f49234442b4746e447b24747e@o427061.ingest.sentry.io/5370612",
        before_send=lambda event, hint: filter_data(coresys, event, hint),
        auto_enabling_integrations=False,
        integrations=[AioHttpIntegration(), sentry_logging],
        release=SUPERVISOR_VERSION,
        max_breadcrumbs=30,
    )