from sim800l import SIM800L
import logging
import os
import time
logging.getLogger().setLevel(5)

play = False
call = False
audios = ["love1.wav", "love2.wav", "love3.wav"]
sim800l = SIM800L(port='/dev/serial0', baudrate=115000, timeout=3.0)
print(sim800l.command("ATS0=0\n"))
time.sleep(2)
print(sim800l.command("AT\n"))
time.sleep(5)
#print(sim800l.command("AT+DDET=1\n"))
#time.sleep(3)
#print("<>")
time.sleep(3)

while True:
	if call is False:
		try:
			activecall = sim800l.command("AT+CPAS\n", waitfor=1500)   #check if someone is calling or not
		except:
			activecall = ""
		print(activecall)
		r = sim800l.check_incoming()
		print(r)
	if r[-1] is not None and "3" in r[-1] and call is False:                #if someone is callin
		print("some one is calling")          
		call = True
		time.sleep(1)                       #wait 3 seoncds
		sim800l.command("ATA\n")            #answer the phone
		if play is False:
			print("playing sound file")
			import random
			audio = random.choice(audios)
			os.system("play " + audio + " &")
			play = True
			#check =sim800l.command("AT+DDET=?\n")
			#print(check)
		while True: 
			#check if call is still active
			callisactive = sim800l.command("AT+CPAS\n")
			r = sim800l.check_incoming()
			print(r)
			if r[-1] is not None:
				if "0" in r[-1]:   #call is not active anymore
					print ("call stopped")
					os.system("sudo killall play")
					call = False
					play = False
					break