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 request(method, path, cfg, body=None):
    url = str(cfg.get("base_url", "")).rstrip("/") + path
    data = json.dumps(body).encode("utf-8") if body is not None else None
    headers = {"Authorization": "Bearer " + str(cfg.get("api_key", "")), "Accept": "application/json"}
    if data is not None:
        headers["Content-Type"] = "application/json"
    req = urllib.request.Request(url, data=data, headers=headers, method=method)
    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):
    title = str(inputs.get("title", "")).strip()
    description = str(inputs.get("description", "")).strip()
    if not title:
        raise Exception("title is required")
    if not description:
        raise Exception("description is required")

    severity = inputs.get("severity")
    tlp = inputs.get("tlp")
    tags_raw = inputs.get("tags")

    body = {
        "title": title,
        "description": description,
        "severity": int(severity) if severity not in (None, "") else 2,
        "tlp": int(tlp) if tlp not in (None, "") else 2,
    }

    if tags_raw not in (None, ""):
        tags = [s.strip() for s in str(tags_raw).split(",") if s.strip()]
        if tags:
            body["tags"] = tags

    return request("POST", "/api/v1/case", cfg, body)


_run(main)