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


def request(method, url, headers, body=None):
    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=30) as resp:
        raw = resp.read()
        return json.loads(raw) if raw else {}


def csv(v):
    return [x.strip() for x in str(v or "").split(",") if x.strip()]


def main():
    secrets = json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
    inputs = json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
    base = secrets.get("url", "").rstrip("/") + "/web/api/v2.1"
    headers = {
        "Authorization": "ApiToken " + secrets.get("api_token", ""),
        "Accept": "application/json",
        "Content-Type": "application/json",
    }
    # === REQUEST ===
    rh = [{"type": "addresses", "values": [h]} for h in csv(inputs.get("remote_host"))]
    filt = {"tenant": True}
    ft = inputs.get("filter_type")
    fid = inputs.get("filter_id")
    if ft and fid:
        filt[ft] = [fid]
    body = {
        "data": {
            "name": inputs.get("name"),
            "description": inputs.get("description"),
            "action": inputs.get("action"),
            "status": inputs.get("status"),
            "osTypes": ["linux", "macos", "windows"],
            "direction": inputs.get("direction") or "any",
            "remoteHosts": rh,
        },
        "filter": filt,
    }
    print(json.dumps(request("POST", base + "/firewall-control", headers, body)))
    # === END ===


try:
    main()
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)