"""Component providing Switches for UniFi Protect."""
from __future__ import annotations

from dataclasses import dataclass
from typing import Any

from pyunifiprotect.data import (
    NVR,
    Camera,
    ProtectAdoptableDeviceModel,
    ProtectModelWithId,
    RecordingMode,
    VideoMode,
)

from homeassistant.components.switch import SwitchEntity, SwitchEntityDescription
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.restore_state import RestoreEntity

from .const import DISPATCH_ADOPT, DOMAIN
from .data import ProtectData
from .entity import ProtectDeviceEntity, ProtectNVREntity, async_all_device_entities
from .models import PermRequired, ProtectSetableKeysMixin, T
from .utils import async_dispatch_id as _ufpd

ATTR_PREV_MIC = "prev_mic_level"
ATTR_PREV_RECORD = "prev_record_mode"


@dataclass
class ProtectSwitchEntityDescription(
    ProtectSetableKeysMixin[T], SwitchEntityDescription
):
    """Describes UniFi Protect Switch entity."""


async def _set_highfps(obj: Camera, value: bool) -> None:
    if value:
        await obj.set_video_mode(VideoMode.HIGH_FPS)
    else:
        await obj.set_video_mode(VideoMode.DEFAULT)


CAMERA_SWITCHES: tuple[ProtectSwitchEntityDescription, ...] = (
    ProtectSwitchEntityDescription(
        key="ssh",
        name="SSH Enabled",
        icon="mdi:lock",
        entity_registry_enabled_default=False,
        entity_category=EntityCategory.CONFIG,
        ufp_value="is_ssh_enabled",
        ufp_set_method="set_ssh",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="status_light",
        name="Status Light On",
        icon="mdi:led-on",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="feature_flags.has_led_status",
        ufp_value="led_settings.is_enabled",
        ufp_set_method="set_status_light",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="hdr_mode",
        name="HDR Mode",
        icon="mdi:brightness-7",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="feature_flags.has_hdr",
        ufp_value="hdr_mode",
        ufp_set_method="set_hdr",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription[Camera](
        key="high_fps",
        name="High FPS",
        icon="mdi:video-high-definition",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="feature_flags.has_highfps",
        ufp_value="is_high_fps_enabled",
        ufp_set_method_fn=_set_highfps,
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="system_sounds",
        name="System Sounds",
        icon="mdi:speaker",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="has_speaker",
        ufp_value="speaker_settings.are_system_sounds_enabled",
        ufp_enabled="feature_flags.has_speaker",
        ufp_set_method="set_system_sounds",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="osd_name",
        name="Overlay: Show Name",
        icon="mdi:fullscreen",
        entity_category=EntityCategory.CONFIG,
        ufp_value="osd_settings.is_name_enabled",
        ufp_set_method="set_osd_name",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="osd_date",
        name="Overlay: Show Date",
        icon="mdi:fullscreen",
        entity_category=EntityCategory.CONFIG,
        ufp_value="osd_settings.is_date_enabled",
        ufp_set_method="set_osd_date",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="osd_logo",
        name="Overlay: Show Logo",
        icon="mdi:fullscreen",
        entity_category=EntityCategory.CONFIG,
        ufp_value="osd_settings.is_logo_enabled",
        ufp_set_method="set_osd_logo",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="osd_bitrate",
        name="Overlay: Show Nerd Mode",
        icon="mdi:fullscreen",
        entity_category=EntityCategory.CONFIG,
        ufp_value="osd_settings.is_debug_enabled",
        ufp_set_method="set_osd_bitrate",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="motion",
        name="Detections: Motion",
        icon="mdi:run-fast",
        entity_category=EntityCategory.CONFIG,
        ufp_value="recording_settings.enable_motion_detection",
        ufp_enabled="is_recording_enabled",
        ufp_set_method="set_motion_detection",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="smart_person",
        name="Detections: Person",
        icon="mdi:walk",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="can_detect_person",
        ufp_value="is_person_detection_on",
        ufp_enabled="is_recording_enabled",
        ufp_set_method="set_person_detection",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="smart_vehicle",
        name="Detections: Vehicle",
        icon="mdi:car",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="can_detect_vehicle",
        ufp_value="is_vehicle_detection_on",
        ufp_enabled="is_recording_enabled",
        ufp_set_method="set_vehicle_detection",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="smart_face",
        name="Detections: Face",
        icon="mdi:human-greeting",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="can_detect_face",
        ufp_value="is_face_detection_on",
        ufp_enabled="is_recording_enabled",
        ufp_set_method="set_face_detection",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="smart_package",
        name="Detections: Package",
        icon="mdi:package-variant-closed",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="can_detect_package",
        ufp_value="is_package_detection_on",
        ufp_enabled="is_recording_enabled",
        ufp_set_method="set_package_detection",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="smart_licenseplate",
        name="Detections: License Plate",
        icon="mdi:car",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="can_detect_license_plate",
        ufp_value="is_license_plate_detection_on",
        ufp_enabled="is_recording_enabled",
        ufp_set_method="set_license_plate_detection",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="smart_smoke",
        name="Detections: Smoke/CO",
        icon="mdi:fire",
        entity_category=EntityCategory.CONFIG,
        ufp_required_field="can_detect_smoke",
        ufp_value="is_smoke_detection_on",
        ufp_enabled="is_recording_enabled",
        ufp_set_method="set_smoke_detection",
        ufp_perm=PermRequired.WRITE,
    ),
)

PRIVACY_MODE_SWITCH = ProtectSwitchEntityDescription[Camera](
    key="privacy_mode",
    name="Privacy Mode",
    icon="mdi:eye-settings",
    entity_category=EntityCategory.CONFIG,
    ufp_required_field="feature_flags.has_privacy_mask",
    ufp_value="is_privacy_on",
    ufp_perm=PermRequired.WRITE,
)

SENSE_SWITCHES: tuple[ProtectSwitchEntityDescription, ...] = (
    ProtectSwitchEntityDescription(
        key="status_light",
        name="Status Light On",
        icon="mdi:led-on",
        entity_category=EntityCategory.CONFIG,
        ufp_value="led_settings.is_enabled",
        ufp_set_method="set_status_light",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="motion",
        name="Motion Detection",
        icon="mdi:walk",
        entity_category=EntityCategory.CONFIG,
        ufp_value="motion_settings.is_enabled",
        ufp_set_method="set_motion_status",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="temperature",
        name="Temperature Sensor",
        icon="mdi:thermometer",
        entity_category=EntityCategory.CONFIG,
        ufp_value="temperature_settings.is_enabled",
        ufp_set_method="set_temperature_status",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="humidity",
        name="Humidity Sensor",
        icon="mdi:water-percent",
        entity_category=EntityCategory.CONFIG,
        ufp_value="humidity_settings.is_enabled",
        ufp_set_method="set_humidity_status",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="light",
        name="Light Sensor",
        icon="mdi:brightness-5",
        entity_category=EntityCategory.CONFIG,
        ufp_value="light_settings.is_enabled",
        ufp_set_method="set_light_status",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="alarm",
        name="Alarm Sound Detection",
        entity_category=EntityCategory.CONFIG,
        ufp_value="alarm_settings.is_enabled",
        ufp_set_method="set_alarm_status",
        ufp_perm=PermRequired.WRITE,
    ),
)


LIGHT_SWITCHES: tuple[ProtectSwitchEntityDescription, ...] = (
    ProtectSwitchEntityDescription(
        key="ssh",
        name="SSH Enabled",
        icon="mdi:lock",
        entity_registry_enabled_default=False,
        entity_category=EntityCategory.CONFIG,
        ufp_value="is_ssh_enabled",
        ufp_set_method="set_ssh",
        ufp_perm=PermRequired.WRITE,
    ),
    ProtectSwitchEntityDescription(
        key="status_light",
        name="Status Light On",
        icon="mdi:led-on",
        entity_category=EntityCategory.CONFIG,
        ufp_value="light_device_settings.is_indicator_enabled",
        ufp_set_method="set_status_light",
        ufp_perm=PermRequired.WRITE,
    ),
)

DOORLOCK_SWITCHES: tuple[ProtectSwitchEntityDescription, ...] = (
    ProtectSwitchEntityDescription(
        key="status_light",
        name="Status Light On",
        icon="mdi:led-on",
        entity_category=EntityCategory.CONFIG,
        ufp_value="led_settings.is_enabled",
        ufp_set_method="set_status_light",
        ufp_perm=PermRequired.WRITE,
    ),
)

VIEWER_SWITCHES: tuple[ProtectSwitchEntityDescription, ...] = (
    ProtectSwitchEntityDescription(
        key="ssh",
        name="SSH Enabled",
        icon="mdi:lock",
        entity_registry_enabled_default=False,
        entity_category=EntityCategory.CONFIG,
        ufp_value="is_ssh_enabled",
        ufp_set_method="set_ssh",
        ufp_perm=PermRequired.WRITE,
    ),
)

NVR_SWITCHES: tuple[ProtectSwitchEntityDescription, ...] = (
    ProtectSwitchEntityDescription(
        key="analytics_enabled",
        name="Analytics Enabled",
        icon="mdi:google-analytics",
        entity_category=EntityCategory.CONFIG,
        ufp_value="is_analytics_enabled",
        ufp_set_method="set_anonymous_analytics",
    ),
    ProtectSwitchEntityDescription(
        key="insights_enabled",
        name="Insights Enabled",
        icon="mdi:magnify",
        entity_category=EntityCategory.CONFIG,
        ufp_value="is_insights_enabled",
        ufp_set_method="set_insights",
    ),
)


async def async_setup_entry(
    hass: HomeAssistant,
    entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up sensors for UniFi Protect integration."""
    data: ProtectData = hass.data[DOMAIN][entry.entry_id]

    async def _add_new_device(device: ProtectAdoptableDeviceModel) -> None:
        entities = async_all_device_entities(
            data,
            ProtectSwitch,
            camera_descs=CAMERA_SWITCHES,
            light_descs=LIGHT_SWITCHES,
            sense_descs=SENSE_SWITCHES,
            lock_descs=DOORLOCK_SWITCHES,
            viewer_descs=VIEWER_SWITCHES,
            ufp_device=device,
        )
        entities += async_all_device_entities(
            data,
            ProtectPrivacyModeSwitch,
            camera_descs=[PRIVACY_MODE_SWITCH],
            ufp_device=device,
        )
        async_add_entities(entities)

    entry.async_on_unload(
        async_dispatcher_connect(hass, _ufpd(entry, DISPATCH_ADOPT), _add_new_device)
    )

    entities: list[ProtectDeviceEntity] = async_all_device_entities(
        data,
        ProtectSwitch,
        camera_descs=CAMERA_SWITCHES,
        light_descs=LIGHT_SWITCHES,
        sense_descs=SENSE_SWITCHES,
        lock_descs=DOORLOCK_SWITCHES,
        viewer_descs=VIEWER_SWITCHES,
    )
    entities += async_all_device_entities(
        data,
        ProtectPrivacyModeSwitch,
        camera_descs=[PRIVACY_MODE_SWITCH],
    )

    if (
        data.api.bootstrap.nvr.can_write(data.api.bootstrap.auth_user)
        and data.api.bootstrap.nvr.is_insights_enabled is not None
    ):
        for switch in NVR_SWITCHES:
            entities.append(
                ProtectNVRSwitch(
                    data, device=data.api.bootstrap.nvr, description=switch
                )
            )
    async_add_entities(entities)


class ProtectSwitch(ProtectDeviceEntity, SwitchEntity):
    """A UniFi Protect Switch."""

    entity_description: ProtectSwitchEntityDescription

    def __init__(
        self,
        data: ProtectData,
        device: ProtectAdoptableDeviceModel,
        description: ProtectSwitchEntityDescription,
    ) -> None:
        """Initialize an UniFi Protect Switch."""
        super().__init__(data, device, description)
        self._attr_name = f"{self.device.display_name} {self.entity_description.name}"
        self._switch_type = self.entity_description.key

    @property
    def is_on(self) -> bool:
        """Return true if device is on."""
        return self.entity_description.get_ufp_value(self.device) is True

    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn the device on."""

        await self.entity_description.ufp_set(self.device, True)

    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn the device off."""

        await self.entity_description.ufp_set(self.device, False)


class ProtectNVRSwitch(ProtectNVREntity, SwitchEntity):
    """A UniFi Protect NVR Switch."""

    entity_description: ProtectSwitchEntityDescription

    def __init__(
        self,
        data: ProtectData,
        device: NVR,
        description: ProtectSwitchEntityDescription,
    ) -> None:
        """Initialize an UniFi Protect Switch."""
        super().__init__(data, device, description)
        self._attr_name = f"{self.device.display_name} {self.entity_description.name}"

    @property
    def is_on(self) -> bool:
        """Return true if device is on."""
        return self.entity_description.get_ufp_value(self.device) is True

    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn the device on."""

        await self.entity_description.ufp_set(self.device, True)

    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn the device off."""

        await self.entity_description.ufp_set(self.device, False)


class ProtectPrivacyModeSwitch(RestoreEntity, ProtectSwitch):
    """A UniFi Protect Switch."""

    device: Camera

    def __init__(
        self,
        data: ProtectData,
        device: ProtectAdoptableDeviceModel,
        description: ProtectSwitchEntityDescription,
    ) -> None:
        """Initialize an UniFi Protect Switch."""
        super().__init__(data, device, description)

        if self.device.is_privacy_on:
            extra_state = self.extra_state_attributes or {}
            self._previous_mic_level = extra_state.get(ATTR_PREV_MIC, 100)
            self._previous_record_mode = extra_state.get(
                ATTR_PREV_RECORD, RecordingMode.ALWAYS
            )
        else:
            self._previous_mic_level = self.device.mic_volume
            self._previous_record_mode = self.device.recording_settings.mode

    @callback
    def _update_previous_attr(self) -> None:
        if self.is_on:
            self._attr_extra_state_attributes = {
                ATTR_PREV_MIC: self._previous_mic_level,
                ATTR_PREV_RECORD: self._previous_record_mode,
            }
        else:
            self._attr_extra_state_attributes = {}

    @callback
    def _async_update_device_from_protect(self, device: ProtectModelWithId) -> None:
        super()._async_update_device_from_protect(device)

        # do not add extra state attribute on initialize
        if self.entity_id:
            self._update_previous_attr()

    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn the device on."""

        self._previous_mic_level = self.device.mic_volume
        self._previous_record_mode = self.device.recording_settings.mode
        await self.device.set_privacy(True, 0, RecordingMode.NEVER)

    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn the device off."""

        extra_state = self.extra_state_attributes or {}
        prev_mic = extra_state.get(ATTR_PREV_MIC, self._previous_mic_level)
        prev_record = extra_state.get(ATTR_PREV_RECORD, self._previous_record_mode)
        await self.device.set_privacy(False, prev_mic, prev_record)

    async def async_added_to_hass(self) -> None:
        """Restore extra state attributes on startp up."""
        await super().async_added_to_hass()

        if not (last_state := await self.async_get_last_state()):
            return

        self._previous_mic_level = last_state.attributes.get(
            ATTR_PREV_MIC, self._previous_mic_level
        )
        self._previous_record_mode = last_state.attributes.get(
            ATTR_PREV_RECORD, self._previous_record_mode
        )
        self._update_previous_attr()