from barber import Barber
from customer import Customer
from threading import Thread
from time import sleep


def run(barber: Barber, file: str):
  customer_arrival_times = [int(t.strip()) for t in open(file, 'r').readlines()]

  for i, time in enumerate(customer_arrival_times):
    customer = Customer(chr(65 + i), time)
    barber.add_customer(customer)
    if i < len(customer_arrival_times) - 1:
      sleep(customer_arrival_times[i + 1] - time)


if __name__ == '__main__':
  barber = Barber("Billu")
  thread = Thread(target=run, args=(barber, 'input.txt'))
  thread.start()
  thread.join()