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 request(method, path, params=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)
    req = urllib.request.Request(url, headers=headers, method=method)
    with urllib.request.urlopen(req, timeout=90) as r:
        raw = r.read()
        return json.loads(raw) if raw else {}


def _flatten(response):
    # Each entry holds a product 'type' plus one or more product alert lists/dicts.
    rows = []
    for result in response or []:
        for product_name in list(result.keys()):
            value = result[product_name]
            if isinstance(value, list):
                for alert in value:
                    rows.append(dict(alert, name=result.get("type")))
            elif isinstance(value, dict):
                rows.append(dict(value, name=result.get("type")))
    return rows


def run():
    _, _, multi = _cfg()
    inp = _inputs()
    inv_id = inp.get("investigation_id", "")
    out = request("GET", "idr/v2/investigations/" + urllib.parse.quote(inv_id, safe="") + "/rapid7-product-alerts",
                  params={"multi-customer": "true" if multi else None})
    data = _flatten(out if isinstance(out, list) else out.get("data", []))
    all_results = str(inp.get("all_results") or "false").strip().lower() in ("1", "true", "yes")
    if not all_results:
        limit = int(inp.get("limit") or 50)
        data = data[:limit]
    print(json.dumps({"rrn": inv_id, "ProductAlert": data}))


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)
