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


def _cfg():
    s = json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
    region = str(s.get("region") or "us").strip().lower()
    base = "https://" + region + ".api.insight.rapid7.com/"
    headers = {"X-Api-Key": s.get("api_key", ""), "Content-Type": "application/json", "Accept": "application/json"}
    multi = str(s.get("is_multi_customer") or "").strip().lower() in ("1", "true", "yes")
    return base, headers, multi


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


def _prune(d):
    return {k: v for k, v in d.items() if v not in (None, "", {}, [])}


def _camel(text):
    return "".join(w.capitalize() for w in str(text).split()) if text else None


def request(method, path, params=None, body=None):
    base, headers, _ = _cfg()
    url = base + path.lstrip("/")
    if params:
        clean = {k: v for k, v in params.items() if v not in (None, "")}
        if clean:
            url += ("&" if "?" in url else "?") + urllib.parse.urlencode(clean, doseq=True)
    data = json.dumps(body).encode("utf-8") if body is not None else None
    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():
    _, _, multi = _cfg()
    inp = _inputs()
    inv_id = inp.get("investigation_id", "")
    disposition = inp.get("disposition")
    body = _prune({
        "assignee": _prune({"email": inp.get("user_email_address")}),
        "disposition": disposition.replace(" ", "_") if disposition else None,
        "priority": inp.get("priority"),
        "status": inp.get("status"),
        "title": inp.get("title"),
        "threat_command_close_reason": _camel(inp.get("threat_command_close_reason")),
        "threat_command_free_text": inp.get("threat_command_free_text"),
    })
    out = request("PATCH", "idr/v2/investigations/" + urllib.parse.quote(inv_id, safe=""),
                  params={"multi-customer": "true" if multi else None}, body=body)
    print(json.dumps(out))


try:
    run()
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)
