"""Python 3 standard-library example; no SDK dependency."""
import json
import os
from pathlib import Path
from urllib.request import Request, urlopen


def optimize(order, base_url, key):
    request = Request(base_url.rstrip("/") + "/api/v1/optimize",
                      data=json.dumps(order).encode(),
                      headers={"Content-Type": "application/json", "X-API-Key": key})
    with urlopen(request, timeout=30) as response:
        result = json.load(response)
    return result


if __name__ == "__main__":
    order = json.loads(Path(os.environ["STOAPACK_ORDER_FILE"]).read_text())
    print(json.dumps(optimize(order, os.environ["STOAPACK_BASE_URL"], os.environ["STOAPACK_API_KEY"])))