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

LISTS = {
    "drop": "https://www.spamhaus.org/drop/drop_v4.json",
    "dropv6": "https://www.spamhaus.org/drop/drop_v6.json",
    "asndrop": "https://www.spamhaus.org/drop/asndrop.json",
}


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


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


def _ctx(cfg):
    if cfg.get("insecure"):
        c = ssl.create_default_context()
        c.check_hostname = False
        c.verify_mode = ssl.CERT_NONE
        return c
    return None


def _get(url, cfg):
    req = urllib.request.Request(
        url, headers={"User-Agent": "Riposte-SOAR", "Accept": "application/json"}
    )
    with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r:
        return r.read()


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):
    key = str(cfg.get("list") or "drop").lower()
    url = LISTS.get(key, LISTS["drop"])
    raw = _get(url, cfg).decode("utf-8", "replace")
    n = sum(1 for ln in raw.splitlines() if ln.strip())
    return {"ok": True, "sample_lines": n, "list": key}


_run(main)