import time
import json
import machine
import ntptime
import urequests

# NTP Time Fetching Function
def set_correct_time():
    while True:
        try:
            ntptime.settime()
            break
        except:
            print("Waiting to set time...")
            time.sleep(5)
    # Update for timezone
    rtc = machine.RTC()
    (year, month, day, weekday, hours, minutes, seconds, subseconds) = rtc.datetime()
    # Calculate local time UTC+8
    hours += 8
    if hours >= 24:
        hours -= 24 # doesn't change the day
    # Set the RTC to the local time
    rtc.datetime((year, month, day, weekday, hours, minutes, seconds, subseconds))

def send_nfty_message(channel, message, link=None, server="https://ntfy.sh/"):
    print(f"[sending ntfy message] {server+channel} '{message}'")
    if link:
        response = urequests.post(url=server+channel, data=message, headers=[{"action":"view", "label":"Open", "url": link}])
    else:
        response = urequests.post(url=server+channel, data=message)        
    res = response.text
    print(f"[ntfy reply]",response.status_code,res)
    response.close()    
    return res