import json, os, sys, urllib.request, urllib.error

API = "https://api.dropboxapi.com/2"


def _cfg():
    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))


def _inputs():
    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))


def rpc(path, cfg, body):
    data = json.dumps(body).encode("utf-8")
    headers = {
        "Authorization": "Bearer " + str(cfg.get("access_token", "")),
        "Content-Type": "application/json",
        "Accept": "application/json",
    }
    req = urllib.request.Request(API + path, data=data, headers=headers, method="POST")
    with urllib.request.urlopen(req, timeout=60) as r:
        raw = r.read()
        return json.loads(raw) if raw else {}


def _run(fn):
    try:
        print(json.dumps(fn(_cfg(), _inputs())))
    except urllib.error.HTTPError as e:
        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
        sys.exit(1)
    except Exception as e:
        print(json.dumps({"error": str(e)}))
        sys.exit(1)


def main(cfg, inputs):
    # get_current_account needs a JSON null body, not an empty dict.
    req = urllib.request.Request(
        API + "/users/get_current_account",
        data=b"null",
        headers={
            "Authorization": "Bearer " + str(cfg.get("access_token", "")),
            "Content-Type": "application/json",
        },
        method="POST",
    )
    with urllib.request.urlopen(req, timeout=60) as r:
        r.read()
    return {"ok": True}


_run(main)