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

BASE = "https://urlhaus-api.abuse.ch/v1"


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


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


def post_form(path, cfg, fields):
    data = urllib.parse.urlencode({k: v for k, v in fields.items() if v not in (None, "")}).encode("utf-8")
    headers = {
        "Auth-Key": str(cfg.get("auth_key", "")),
        "Content-Type": "application/x-www-form-urlencoded",
        "Accept": "application/json",
    }
    req = urllib.request.Request(BASE + 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 get(path, cfg):
    headers = {"Auth-Key": str(cfg.get("auth_key", "")), "Accept": "application/json"}
    req = urllib.request.Request(BASE + path, headers=headers, method="GET")
    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):
    hash_ = str(inputs.get("hash", "")).strip()
    if not hash_:
        raise Exception("hash is required")
    field = "md5_hash" if len(hash_) == 32 else "sha256_hash"
    return post_form("/payload/", cfg, {field: hash_})


_run(main)
