"""Post one consolidated Langfuse trace per project (ingestion API).

Reads the LANGFUSE_* env vars that create_pod_langflow.sh already sets on
the Langflow container. Never raises — tracing must not fail a run."""
from __future__ import annotations

import datetime as dt
import os
import uuid

import requests


def post_trace(ctx: dict) -> None:
    host = os.environ.get("LANGFUSE_HOST")
    pk = os.environ.get("LANGFUSE_PUBLIC_KEY")
    sk = os.environ.get("LANGFUSE_SECRET_KEY")
    if not (host and pk and sk):
        return
    now = dt.datetime.now(dt.timezone.utc).isoformat()
    body = {
        "id": str(uuid.uuid4()),
        "timestamp": now,
        "name": "projekt-match",
        "input": {"canonical": ctx.get("canonical"), "title": ctx.get("title")},
        "output": {"decision": ctx.get("decision"),
                   "status": ctx.get("status"),
                   "mustMatch": ctx.get("mustMatch"),
                   "niceMatch": ctx.get("niceMatch"),
                   "description": ctx.get("description")},
        "metadata": {"opportunityId": ctx.get("opportunityId"),
                     "crmUrl": ctx.get("crmUrl"),
                     "error": ctx.get("error"),
                     "projectName": ctx.get("projectName")},
        "tags": [ctx.get("status") or "unknown"],
    }
    event = {"batch": [{"id": str(uuid.uuid4()), "type": "trace-create",
                        "timestamp": now, "body": body}]}
    try:
        requests.post(f"{host.rstrip('/')}/api/public/ingestion", json=event,
                      auth=(pk, sk), timeout=15)
    except Exception:
        pass