from __future__ import annotations

from datetime import datetime
import logging

from homeassistant.components.sensor import (
    SensorDeviceClass,
    SensorEntity,
    SensorStateClass,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity

from .const import DOMAIN
from .reos_api import ReosApi, ReosLockModel


async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry, async_add_entities: AddEntitiesCallback) -> None:
    coordinator = hass.data[DOMAIN][config_entry.data["username"]]["coordinator"]

    async_add_entities(ReosDoorUpdatedAt(lock, coordinator) for _, lock in coordinator.data.items())
    async_add_entities(ReosDoorCreatedAt(lock, coordinator) for _, lock in coordinator.data.items())
    async_add_entities(ReosDoorAvailableFrom(lock, coordinator) for _, lock in coordinator.data.items())
    async_add_entities(ReosDoorAvailableTo(lock, coordinator) for _, lock in coordinator.data.items())

class SensorBase(CoordinatorEntity, SensorEntity):

    def update_value(self) -> None:
        pass

    def __format_id(self, name: str) -> str:
        return name.lower().replace(' ', '_')

    def __init__(self, model: ReosLockModel, coordinator, name: str) -> None:
        super().__init__(coordinator, context=model.lock_id)
        self._model = model
        self.idx = self._model.lock_id
        self._attr_unique_id = f"reos_lock_{self._model.lock_id}_{self.__format_id(name)}"
        self._attr_name = f"{self._model.display} {name}"
        self.update_value()

    @callback
    def _handle_coordinator_update(self) -> None:
        self._model = self.coordinator.data[self.idx]
        self.update_value()
        self.async_write_ha_state()

    @property
    def device_info(self) -> DeviceInfo | None:
        return DeviceInfo(
            identifiers={(DOMAIN, self.idx)},
        )


class TimestampSensorBase(SensorBase):

    def __init__(self, model: ReosLockModel, coordinator, name: str) -> None:
        super().__init__(model, coordinator, name)
        self._attr_device_class = SensorDeviceClass.TIMESTAMP


class ReosDoorUpdatedAt(TimestampSensorBase):

    def update_value(self) -> None:
        self._attr_native_value = self._model.updated_at

    def __init__(self, model: ReosLockModel, coordinator) -> None:
        super().__init__(model, coordinator, "Updated At")

class ReosDoorCreatedAt(TimestampSensorBase):

    def update_value(self) -> None:
        self._attr_native_value = self._model.created_at

    def __init__(self, model: ReosLockModel, coordinator) -> None:
        super().__init__(model, coordinator, "Created At")

class ReosDoorAvailableFrom(TimestampSensorBase):

    def update_value(self) -> None:
        self._attr_native_value = self._model.available_from

    def __init__(self, model: ReosLockModel, coordinator) -> None:
        super().__init__(model, coordinator, "Available From")

class ReosDoorAvailableTo(TimestampSensorBase):

    def update_value(self) -> None:
        self._attr_native_value = self._model.available_to

    def __init__(self, model: ReosLockModel, coordinator) -> None:
        super().__init__(model, coordinator, "Available To")