import queue
import os
import time
import threading
import re

def main():
    print("Hello There")

    que = queue.Queue()
    event = threading.Event()
    config = {'output': '/tmp/test_out', 'input': '/tmp/test_in'}

    #input(que)
    input_thread = threading.Thread(target=handle_input, args=(que, event, config))
    input_thread.daemon = True
    input_thread.start()

    #output(que)
    output_thread = threading.Thread(target=handle_output, args=(que, event, config))
    output_thread.daemon = True
    output_thread.start()

    countdown(config, event)

def countdown(config, event):
    print(f"Speak to: {config['input']}")
    print(f"Output is going to be: {config['output']}")
    num = 0
    while not event.is_set():
        print(f"wait till full: {num}/~", end='\r')
        time.sleep(0.5) 
        num = num + 1
    print("\nDone!")

def handle_input(que, event, config):
    file = config['input']
    try:
        os.mkfifo(file)
    except FileExistsError:
        pass
    with open(file, 'r') as in_fifo:
        while not event.is_set():
            fifo_read = in_fifo.readline().rsplit('\n')
            if not fifo_read:
                continue
            message = fifo_read
            que.put(message)
            time.sleep(1)

def handle_output(que, event, config):
    file = config['output']
    with open(file, 'a') as out_file:
        while not event.is_set():
            try:
                message = que.get()
            except queue.Empty:
                continue
            if message == "":
                continue
            elif 'EXIT' in message:
                event.set()
                out_file.write(f"{time.time()} | Bye!\r\n")
                out_file.flush()
            else:
                out_file.write(f"{time.time()} | {message[0]}\r\n")
                out_file.flush()
                time.sleep(1)


if __name__ == "__main__":
    main()
    print("Bye now!")
    exit(0)