import json
import sys
from urllib import request


def post(path, payload):
    body = json.dumps(payload).encode("utf-8")
    req = request.Request(
        "http://127.0.0.1:8000" + path,
        data=body,
        headers={"content-type": "application/json"},
        method="POST",
    )
    with request.urlopen(req, timeout=3) as response:
        return json.loads(response.read().decode("utf-8"))


if __name__ == "__main__":
    if len(sys.argv) != 4:
        print("usage: api_client.py <dmrid> <key> <options>")
        raise SystemExit(2)
    print(post("/api/v1/options/set", {
        "dmrid": int(sys.argv[1]),
        "key": sys.argv[2],
        "options": sys.argv[3],
    }))