#!/usr/bin/python3

# BB_plus_watch_temp_files.py
#
# Watch for any new files created by Baldi's Basics Plus
#
# The video game Baldi's Basics Plus is created by Basically Games
#
# Author: Intel A80486DX2-66
# License: Unlicense

from dotenv import load_dotenv
from os import environ, listdir, makedirs
from os.path import exists, join as path_join
from subprocess import Popen
from tempfile import gettempdir
from time import sleep
from sys import exit

if exists(".env"):
	load_dotenv()

EXEC_KEY = "BALDI_PLUS_EXECUTABLE_PATH"
EXEC_PATH = environ.get(EXEC_KEY, None)

PATH_TO_WATCH = path_join(gettempdir(),
                          "Basically Games", "Baldi's Basics Plus")

def respectful_makedirs(path: str) -> None:
	if not exists(path):
		makedirs(path)


if __name__ == "__main__":
	if EXEC_PATH is None:
		print( "Please create a .env file in the current directory with key "
		      f"{EXEC_KEY}, containing path to the executable of your copy of "
		       "the video game Baldi's Basics Plus, or set such an "
		       "environmental variable.")
		exit(1)

	print("Path to watch:", PATH_TO_WATCH)
	respectful_makedirs(PATH_TO_WATCH)

	print("Starting the game", flush=True)
	handle = Popen([EXEC_PATH])

	print("Watching directory")
	files = set(listdir(PATH_TO_WATCH))
	while handle.poll() is None:
		sleep(1)
		new_files = set(listdir(PATH_TO_WATCH)) - files
		if new_files:
			for f in new_files:
				print("[+]", f)
			files |= new_files