import serial
import requests
import os
from dotenv import load_dotenv

load_dotenv()

ntfy_token = os.environ['NTFY_Token']
shutdown_timer = 10

with serial.Serial('COM10', 115200, timeout=1) as ser:
    inverter_offline_counter = 0
    while True:
        if ser.readline().decode().strip() == "0":
            print("Inverter Online")
            inverter_offline_counter = 0
        elif inverter_offline_counter >= shutdown_timer:
            break
        else:
            inverter_offline_counter += 1
            print(f"Running on UPS reserve, offline for {inverter_offline_counter}s")
    print(f"Inverter offline for {shutdown_timer} seconds")
    requests.post("https://ntfy.fieryeagle.org/Internet-Alerts",
                  data="Inverter offline, shutting down".encode(encoding='utf-8'),
                  headers={
                      "Title": "Hydrogen running on reserve power",
                      "Authorization": f"Bearer {ntfy_token}"
                      }
                  )