import json
import asyncio
import aiohttp
import logging
import math
from typing import List
from dataclasses import dataclass
from dataclasses import field

_LOGGER = logging.getLogger(__name__)

@dataclass
class PowerUGData:
   P_L1:float = 0
   P_L2:float = 0
   P_L3:float = 0
   error:int = 0
ret = PowerUGData()

async def gatherData() -> PowerUGData:
   
   #print("get charger status...");
   timeout = aiohttp.ClientTimeout(total=3)
   try:
      async with aiohttp.ClientSession() as session:
         async with session.get('http://192.168.179.161/rpc/EM.GetStatus?id=0',timeout=timeout) as response: #?filter=psm,fup,amp,frc,nrg,lmo,car
               if response.status == 200:
                  html = await response.text()
                  #logging.warning(html)
                  state = json.loads(html)
                  ret.error = 0
                  ret.P_L1 = state["a_act_power"]
                  ret.P_L2 = state["b_act_power"]
                  ret.P_L3 = state["c_act_power"]
   except:
        if(ret.error > 5):
            ret.P_L1 = 0
            ret.P_L2 = 0
            ret.P_L3 = 0
            _LOGGER.warning("Power UG could not be fetched")
        else:
            ret.error += 1
   return ret