import logging
import requests

_LOGGER = logging.getLogger(__name__)

class EH800:
    def __init__(self, host: str, port: int, username: str, password: str) -> None:
        self._uri = f"http://{host}:{port}"
        self._login = f"uid={username};pwd={password};"

    def _refresh_login(self) -> bool:
        r = requests.get(f"{self._uri}/login?{self._login}")

        if r.text[:-1] == "login?result=ok;":
            _LOGGER.debug("Login ok")
            return True
        else:
            _LOGGER.debug("Login error")
            return False

    def _request_value(self, register) -> str:
        if not self._refresh_login():
            return

        r = requests.get(f"{self._uri}/request?{register}")
        eq_index = r.text.find("=")
        sc_index = r.text.find(";")
        return r.text[eq_index+1:sc_index]

    def get_outside_temp(self) -> float:
        return self._outside_temp
    def update_outside_temp(self):
        self._outside_temp = self._request_value("S_227_85")

    def get_l1_room_temp(self) -> float:
        return self._l1_room_temp
    def update_l1_room_temp(self):
        self._l1_room_temp = self._request_value("S_261_85")

    def get_l1_supply_temp(self) -> float:
        return self._l1_supply_temp
    def update_l1_supply_temp(self):
        self._l1_supply_temp = self._request_value("S_259_85")