import datetime
from weatherforecast import WeatherForecast

@service
def meteireann_solarforecast():
   weather = WeatherForecast(long,lat)
   weather.load_weather_data()

   arrayMultiplier = 0.196*24.975/1000 # panelEfficiency * panelArea(m2) / 1000 (to kWh)

   today = round(weather.get_radiation_for_date_total(datetime.date.today()) * arrayMultiplier,2)
   tomorrow = round(weather.get_radiation_for_date_total(datetime.date.today() + datetime.timedelta(days=1)) * arrayMultiplier,2)
   nextday = round(weather.get_radiation_for_date_total(datetime.date.today() + datetime.timedelta(days=2)) * arrayMultiplier,2)

   state.set("sensor.meteireann_solar_today", today)
   state.set("sensor.meteireann_solar_tomorrow", tomorrow)
   state.set("sensor.meteireann_solar_nextday", nextday)