"""Push canonical backend/flows/*.json into Langflow via API (no restart)."""

from __future__ import annotations

import asyncio
import json
import os
from pathlib import Path

from app.flows.langflow_client import LangflowClient, LangflowError
from app.settings import settings


async def main() -> None:
    base = os.environ.get("LANGFLOW_URL", "http://localhost:7860")
    key = settings.langflow_api_key or os.environ.get("LANGFLOW_API_KEY", "")
    print(f"Langflow: {base} key_len={len(key)}")
    client = LangflowClient(base, api_key=key)
    try:
        flows = await client.list_flows()
        print(f"existing: {len(flows)} flows")
        for f in flows[:20]:
            print(" -", f.get("name"), f.get("id"))
    except LangflowError as exc:
        print(f"list failed: {exc}")
        return
    flows_dir = Path(settings.flows_dir)
    for path in sorted(flows_dir.glob("*.json")):
        if path.name.startswith("."):
            continue
        doc = json.loads(path.read_text(encoding="utf-8"))
        try:
            result = await client.upsert_flow(doc)
            print(f"pushed {path.name} id={result.get('id', 'ok')}")
        except LangflowError as exc:
            print(f"push {path.name} failed: {exc}")


if __name__ == "__main__":
    asyncio.run(main())