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


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


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


def _base(cfg):
    return (str(cfg.get("base_url") or "https://api.xdr.trendmicro.com")).rstrip("/")


def request(method, path, cfg, body=None, params=None, extra_headers=None):
    url = _base(cfg) + path
    if params:
        clean = {k: v for k, v in params.items() if v not in (None, "")}
        if clean:
            url += "?" + urllib.parse.urlencode(clean)
    data = json.dumps(body).encode("utf-8") if body is not None else None
    headers = {"Authorization": "Bearer " + str(cfg.get("api_token", "")), "Accept": "application/json"}
    if data is not None:
        headers["Content-Type"] = "application/json"
    if extra_headers:
        headers.update(extra_headers)
    req = urllib.request.Request(url, data=data, headers=headers, method=method)
    with urllib.request.urlopen(req, timeout=90) 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 _target(inputs):
    t = {}
    if inputs.get("endpoint_name"):
        t["endpointName"] = inputs["endpoint_name"]
    elif inputs.get("agent_guid"):
        t["agentGuid"] = inputs["agent_guid"]
    else:
        raise Exception("endpoint_name or agent_guid is required")
    if inputs.get("description"):
        t["description"] = inputs["description"]
    return t


def main(cfg, inputs):
    file_sha1 = inputs.get("file_sha1")
    if not file_sha1:
        raise Exception("file_sha1 is required")
    target = _target(inputs)
    target["fileSha1"] = file_sha1
    return request("POST", "/v3.0/response/endpoints/terminateProcess", cfg, body=[target])


_run(main)
