import argparse
import base64

from io import BytesIO
from pathlib import Path
from .inference import CAPTCHA

from PIL import Image
from simple_http_server import route, server

def main():
	parser = argparse.ArgumentParser("CAPTCHA", allow_abbrev=False)
	parser.add_argument("--listen", action='store_true')
	parser.add_argument("--port", type=int, default=9090)
	parser.add_argument("--yaml", type=Path, default=None)
	parser.add_argument("--ckpt", type=Path, default=None)
	parser.add_argument("--temp", type=float, default=1.0)
	parser.add_argument("--device", default="cuda")
	args, unknown = parser.parse_known_args()

	captcha = CAPTCHA( config=args.yaml, ckpt=args.ckpt, device=args.device )
	if args.listen:
		@route("/")
		def inference( b64, temperature=1.0 ):
			image = Image.open(BytesIO(base64.b64decode(b64))).convert("RGB")
			return { "answer": captcha.inference( image=image, temperature=args.temp ) }
		server.start(port=args.port)
	else:
		parser = argparse.ArgumentParser("CAPTCHA", allow_abbrev=False)
		parser.add_argument("--path", type=Path)
		parser.add_argument("--base64", type=str)
		parser.add_argument("--temp", type=float, default=1.0)
		args, unknown = parser.parse_known_args()

		if args.path:
			image = Image.open(args.path).convert('RGB')
		elif args.base64:
			image = Image.open(BytesIO(base64.b64decode(args.base64))).convert("RGB")
		else:
			raise "Specify a --path or --base64."

		answer = captcha.inference( image=image, temperature=args.temp )
		print("Answer:", answer)

if __name__ == "__main__":
	main()