import feedparser
from datetime import datetime
from typing import List, Dict
from parser.cleaner import clean_html
from parser.hasher import hash_text
from indexer.typesense_indexer import create_collection_if_not_exists, index_document

SCHEMA = {
    "name": "documents",
    "fields": [
        {"name": "id", "type": "string"},
        {"name": "titre", "type": "string"},
        {"name": "texte", "type": "string"},
        {"name": "langue", "type": "string", "facet": True},
        {"name": "type_document", "type": "string", "facet": True},
        {"name": "pays", "type": "string", "facet": True},
        {"name": "source_url", "type": "string"},
        {"name": "date", "type": "string"}
    ]
}

def fetch_and_index_feeds(feed_urls: List[str]) -> Dict[str, int]:
    create_collection_if_not_exists(SCHEMA)
    total, ok = 0, 0
    for url in feed_urls:
        parsed = feedparser.parse(url)
        for entry in parsed.entries:
            total += 1
            title = entry.get('title', '')
            link = entry.get('link', '')
            summary = entry.get('summary', '') or entry.get('description', '')
            content = summary
            text = clean_html(content)
            if not text and title:
                text = title
            if not text:
                continue
            # Déduplication stable
            doc_id = hash_text((link or title) + '|' + text)[:16]
            doc = {
                "id": doc_id,
                "titre": title or link,
                "texte": text[:8000],
                "langue": "fr",  # best effort; détection langue à ajouter
                "type_document": "rss",
                "pays": "",  # enrichissement géo à ajouter
                "source_url": link,
                "date": datetime.utcnow().isoformat()
            }
            try:
                index_document("documents", doc)
                ok += 1
            except Exception:
                # on ignore silencieusement pour la robustesse POC
                pass
    return {"processed": total, "indexed": ok}