import json, os, sys

S = json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
I = json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))


def out(value):
    print(json.dumps(value, default=str))


def fail(message, **extra):
    payload = {"error": message}
    payload.update(extra)
    print(json.dumps(payload, default=str))
    sys.exit(1)


def as_bool(v):
    return v if isinstance(v, bool) else str(v).lower() in ("1", "true", "yes")


def as_int(v, default=None):
    try:
        return int(v)
    except (TypeError, ValueError):
        return default


def as_list(v):
    if isinstance(v, list):
        return v
    if v in (None, ""):
        return []
    return [x.strip() for x in str(v).split(",") if x.strip()]


try:
    from pycti import OpenCTIApiClient
except ImportError as e:
    fail("The 'pycti' Python library is required for the OpenCTI integration. "
         "Install it on the execution host (engine): pip install pycti", detail=str(e))


def client():
    base = str(S.get("base_url", "")).strip().rstrip("/")
    api_key = S.get("api_key") or (S.get("credentials") or {}).get("password")
    return OpenCTIApiClient(base, api_key, ssl_verify=not as_bool(S.get("insecure")), log_level="error")


try:
    result = client().stix_core_relationship.create(
        fromId=I.get("from_id"),
        toId=I.get("to_id"),
        relationship_type=I.get("relationship_type") or "related-to",
        description=I.get("description"),
        confidence=as_int(I.get("confidence")) or None,
    )
except Exception as e:
    fail("Failed to create relationship.", detail=str(e))

if not result:
    fail("Failed to create relationship.")

out({"id": result.get("id"), "relationshipType": result.get("relationship_type")})