from random import randrange
import time, pyotp, datetime

hotp = pyotp.HOTP(pyotp.random_base32())

success = 0
num_tries = 20

for i in range(0,num_tries):
    epoch = int(time.time())
    code = hotp.at(epoch)
    print('------------------------')
    print(f'Made a code {code} at {epoch}, sending a simualted instruction')

    waittime = randrange(5)
    print(f'Instuction will take {waittime} seconds to receive or be recieved')
    time.sleep(waittime)

    if hotp.verify(code, epoch):
        print(f'code:{code} verified')
        success += 1
    else:
        print(f'code:{code} expired')

print(f'Succeded {success} out of {num_tries} tries')