# -*- coding: utf-8 -*-

import numpy as np
from httpx import AsyncClient
from loguru import logger

from app.controllers.equipment.controller import EquipmentController
from app.schemas.equipment import AirValveSpeed, FCU, Space
from app.services.platform import DataPlatformService
from app.services.transfer import SpaceInfoService, EquipmentInfoService


class FCUController(EquipmentController):

    def __init__(self, equipment: FCU):
        super(FCUController, self).__init__()
        self._equipment = equipment

    async def get_temperature_target(self) -> float:
        target = self._equipment.space.temperature_target
        if not np.isnan(target):
            setting_target = target
        else:
            setting_target = 25.0
        self._equipment.setting_temperature = setting_target

        return setting_target

    async def get_air_valve_speed(self):
        temperature_target = await self.get_temperature_target()
        if temperature_target > 0:
            # self._equipment.air_valve_speed = AirValveSpeed.auto
            diff = temperature_target - self._equipment.space.realtime_temperature
            if diff >= 2.0:
                self._equipment.air_valve_speed = AirValveSpeed.high
            elif diff >= 1.0:
                self._equipment.air_valve_speed = AirValveSpeed.medium
            elif diff >= 0.0:
                self._equipment.air_valve_speed = AirValveSpeed.low
            else:
                self._equipment.air_valve_speed = AirValveSpeed.off
        else:
            self._equipment.air_valve_speed = AirValveSpeed.off

    async def run(self):
        await self.get_temperature_target()
        await self.get_air_valve_speed()
        self._equipment.running_status = True

    def get_results(self):
        return self._equipment


@logger.catch()
async def get_fcu_control_result(project_id: str, equipment_id: str) -> FCU:
    async with AsyncClient() as client:
        duo_duo = EquipmentInfoService(client, project_id)
        platform = DataPlatformService(client, project_id)
        spaces = await duo_duo.get_space_by_equipment(equipment_id)
        for sp in spaces:
            transfer = SpaceInfoService(client, project_id, sp.get('id'))
            current_target = await transfer.get_current_temperature_target()
            realtime_temperature = await platform.get_realtime_temperature(sp.get('id'))
            temp_space_params = {
                'id': sp.get('id'),
                'temperature_target': current_target,
                'realtime_temperature': realtime_temperature
            }
            space = Space(**temp_space_params)
            break

        fcu_temp_params = {
            'id': equipment_id,
            'space': space
        }
        fcu = FCU(**fcu_temp_params)

    fcu_controller = FCUController(fcu)
    await fcu_controller.run()
    regulated_fcu = fcu_controller.get_results()

    return regulated_fcu