"""Enricher: Fetch URL and produce a text node."""

import sys
import json
import os

sys.path.insert(0, os.path.join(os.environ.get("FN_REGISTRY_ROOT", ""), "python", "functions", "core"))

from fetch_and_parse_url import fetch_and_parse_url


def main():
    entity = json.load(sys.stdin)
    url = (entity.get("metadata") or {}).get("url") or entity.get("name", "")

    if not url:
        json.dump({"error": "No URL found in entity metadata or name"}, sys.stdout)
        return

    text = fetch_and_parse_url(url)

    result = {
        "entities": [
            {
                "name": f"Text: {url[:60]}",
                "type_ref": "text",
                "description": f"Text extracted from {url}",
                "tags": ["extracted"],
                "metadata": {
                    "content_preview": text[:500],
                    "source": url,
                    "char_count": len(text),
                    "full_content": text,
                },
                "notes": "",
            }
        ],
        "relations": [
            {
                "name": "extracted_from",
                "from_entity": "__NEW_0__",
                "to_entity": "__SOURCE__",
                "description": "Text extracted from URL",
                "weight": 1.0,
                "tags": [],
                "notes": "",
            }
        ],
    }
    json.dump(result, sys.stdout, ensure_ascii=False)


if __name__ == "__main__":
    main()