import logging

from pyhon import Hon
from pyhon.appliance import HonAppliance

from homeassistant.components.climate import (
    ClimateEntity,
    ClimateEntityDescription,
)
from homeassistant.components.climate.const import (
    FAN_OFF,
    SWING_OFF,
    SWING_BOTH,
    SWING_VERTICAL,
    SWING_HORIZONTAL,
    ClimateEntityFeature,
    HVACMode,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
    ATTR_TEMPERATURE,
    PRECISION_WHOLE,
    TEMP_CELSIUS,
)
from homeassistant.core import callback
from .const import HON_HVAC_MODE, HON_FAN, HON_HVAC_PROGRAM, DOMAIN
from .hon import HonEntity, HonCoordinator

_LOGGER = logging.getLogger(__name__)

CLIMATES = {
    "AC": (
        ClimateEntityDescription(
            key="settings",
            name="Air Conditioner",
            icon="mdi:air-conditioner",
            translation_key="air_conditioner",
        ),
    ),
}


async def async_setup_entry(hass, entry: ConfigEntry, async_add_entities) -> None:
    hon: Hon = hass.data[DOMAIN][entry.unique_id]
    coordinators = hass.data[DOMAIN]["coordinators"]
    appliances = []
    for device in hon.appliances:
        if device.unique_id in coordinators:
            coordinator = hass.data[DOMAIN]["coordinators"][device.unique_id]
        else:
            coordinator = HonCoordinator(hass, device)
            hass.data[DOMAIN]["coordinators"][device.unique_id] = coordinator
        await coordinator.async_config_entry_first_refresh()

        if descriptions := CLIMATES.get(device.appliance_type):
            for description in descriptions:
                if description.key not in list(device.commands):
                    continue
                appliances.append(
                    HonClimateEntity(hass, coordinator, entry, device, description)
                )
    async_add_entities(appliances)


class HonClimateEntity(HonEntity, ClimateEntity):
    def __init__(
        self, hass, coordinator, entry, device: HonAppliance, description
    ) -> None:
        super().__init__(hass, entry, coordinator, device)
        self.entity_description = description
        self._attr_unique_id = f"{super().unique_id}climate"

        self._attr_temperature_unit = TEMP_CELSIUS
        self._attr_target_temperature_step = PRECISION_WHOLE
        self._attr_max_temp = device.settings["settings.tempSel"].max
        self._attr_min_temp = device.settings["settings.tempSel"].min

        self._attr_hvac_modes = [HVACMode.OFF] + [
            HON_HVAC_MODE[mode] for mode in device.settings["settings.machMode"].values
        ]
        self._attr_fan_modes = [FAN_OFF] + [
            HON_FAN[mode] for mode in device.settings["settings.windSpeed"].values
        ]
        self._attr_swing_modes = [
            SWING_OFF,
            SWING_VERTICAL,
            SWING_HORIZONTAL,
            SWING_BOTH,
        ]
        self._attr_supported_features = (
            ClimateEntityFeature.TARGET_TEMPERATURE
            | ClimateEntityFeature.FAN_MODE
            | ClimateEntityFeature.SWING_MODE
        )

        self._handle_coordinator_update(update=False)

    async def async_set_hvac_mode(self, hvac_mode):
        if hvac_mode == HVACMode.OFF:
            await self._device.commands["stopProgram"].send()
        else:
            self._device.settings["startProgram.program"].value = HON_HVAC_PROGRAM[
                hvac_mode
            ]
            await self._device.commands["startProgram"].send()
        self._attr_hvac_mode = hvac_mode
        self.async_write_ha_state()

    async def async_set_fan_mode(self, fan_mode):
        mode_number = list(HON_FAN.values()).index(fan_mode)
        self._device.settings["settings.windSpeed"].value = list(HON_FAN.keys())[
            mode_number
        ]
        await self._device.commands["settings"].send()
        self.async_write_ha_state()

    async def async_set_swing_mode(self, swing_mode):
        horizontal = self._device.settings["settings.windDirectionHorizontal"]
        vertical = self._device.settings["settings.windDirectionVertical"]
        if swing_mode in [SWING_BOTH, SWING_HORIZONTAL]:
            horizontal.value = "7"
        if swing_mode in [SWING_BOTH, SWING_VERTICAL]:
            vertical.value = "8"
        if swing_mode in [SWING_OFF, SWING_HORIZONTAL] and vertical.value == "8":
            vertical.value = "5"
        if swing_mode in [SWING_OFF, SWING_VERTICAL] and horizontal.value == "7":
            horizontal.value = "0"
        self._attr_swing_mode = swing_mode
        await self._device.commands["settings"].send()
        self.async_write_ha_state()

    async def async_set_temperature(self, **kwargs):
        if (temperature := kwargs.get(ATTR_TEMPERATURE)) is None:
            return False
        self._device.settings["settings.tempSel"].value = str(int(temperature))
        await self._device.commands["settings"].send()
        self.async_write_ha_state()

    @callback
    def _handle_coordinator_update(self, update=True) -> None:
        self._attr_target_temperature = int(float(self._device.get("tempSel")))
        self._attr_current_temperature = float(self._device.get("tempIndoor"))

        if self._device.get("onOffStatus") == "0":
            self._attr_hvac_mode = HVACMode.OFF
        else:
            self._attr_hvac_mode = HON_HVAC_MODE[self._device.get("machMode") or "0"]

        self._attr_fan_mode = HON_FAN[self._device.get("windSpeed")]

        horizontal = self._device.get("windDirectionHorizontal")
        vertical = self._device.get("windDirectionVertical")
        if horizontal == "7" and vertical == "8":
            self._attr_swing_mode = SWING_BOTH
        elif horizontal == "7":
            self._attr_swing_mode = SWING_HORIZONTAL
        elif vertical == "8":
            self._attr_swing_mode = SWING_VERTICAL
        else:
            self._attr_swing_mode = SWING_OFF
        if update:
            self.async_write_ha_state()