piTempController Alarm

import time
import datetime
import socket


current_temp = 15
target_temp = 15
server_address = "10.0.0.58"
server_port = 1234
temp_pull = 5  # Seconds between each tempera


alarm_triggered = False
alarm_sleep = 420 # Default time of sleep (420 = 7 hours)
alarm_off = 90 # Time(minutes) oven shuts down before 7 hour sleep
alarm_on = 30 # Amount of time before alarm oven should turn on.
alarm = None
loke_alarm = None
kajsa_alarm = None
now = datetime.datetime.now()


def checkalarm():
    global alarm
    global alarm_off
    global alarm_on
    global alarm_triggered
    if alarm:
        # Convert alarm time to datetime format
        alarm2 = alarm.split(":")
        alarm2 = now.replace(hour=int(alarm2[0]), minute=int(alarm2[1]), second=0, microsecond=0)
        # Subtract sleeping time and off timer
        alarm2 = alarm2 - datetime.timedelta(minutes=(alarm_sleep + alarm_off))
        print(f"Time oven should go off: {alarm2}")
        if alarm2 < now:  # Check if oven should be turned off
            if alarm_triggered == False:
                print("Turn oven off.")
                alarm_triggered = True
        print(alarm)

        # Reset
        alarm2 = alarm.split(":")
        alarm2 = now.replace(hour=int(alarm2[0]), minute=int(alarm2[1]), second=0, microsecond=0)

        # Subtract time before
        alarm2 = alarm2 - datetime.timedelta(minutes=(alarm_on))
        print(f"Time oven should turn on: {alarm2}")
        if alarm2 < now:  # Check if oven should be turned on
            if alarm_triggered == True:
                print("Turn oven on.")
                alarm_triggered = False
                alarm = None
        print(f"Updated alarm {alarm}")


def updatealarm():
    global alarm
    global loke_alarm
    global kajsa_alarm
    if loke_alarm:
        data = loke_alarm.split(":") #Divide lokes alarm HH:mm
        if kajsa_alarm: #Check if kajsa also has an alarm set
            data2 = kajsa_alarm.split(":") #Divide Kajas alarm
            if data[0] <= data2[0] and data[1] < data2[1]: # Check if that alarm is set earlier
                alarm = loke_alarm # If not, set the actual alarm
        else:
            alarm = loke_alarm #If no other alarm is set, set the actual alarm time.

    if kajsa_alarm:
        data = kajsa_alarm.split(":")
        if loke_alarm:
            data2 = loke_alarm.split(":")
            if data[0] <= data2[0] and data[1] < data2[1]:
                alarm = kajsa_alarm
        else:
            alarm = kajsa_alarm
    checkalarm()

#Connection
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((server_address, server_port))
s.listen(5)
while True:
    clientsocket, address = s.accept()
    print(f"Connection from {address}.")

    # Send current temperature and target temperature!
    clientsocket.send(bytes("Temp: " + str(current_temp), "utf-8"))
    clientsocket.send(bytes("Target: " + str(target_temp), "utf-8"))

    # Receive new target temperature!
    receive = clientsocket.recv(1024).decode("utf-8")
    if receive:
        target = receive.split(" ")
        target_temp = int(target[1])
        print(target_temp)


    receive = clientsocket.recv(1024).decode("utf-8")

    if receive: #Checks if any alarm data has been received
        data = receive.split(" ")
        if data[0] == "Loke": # Checks if its from Loke
            if data[1] != "%hour:%minute": #Checks if alarm is set
                loke_alarm = data[1] #Sets alarm time if set.
            else:
                loke_alarm = None # Clears variable if no alarm is set, and alarm data is sent.
        elif data[0] == "Kajsa":
            if data[1] != "%hour:%minute":
                kajsa_alarm = data[1]
            else:
                kajsa_alarm = None

        print(f"Loke's alarm {loke_alarm} Kajsa's alarm {kajsa_alarm}")

    clientsocket.close()
    updatealarm()