import feedparser
from datetime import datetime
from time import mktime
from domain.entities import Article

class RssFeedAdapter():
    def __init__(self, feed_url: str):
        self.feed_url = feed_url

    def fetch_articles(self) -> list[Article]:
        # On consomme le flux externe
        feed = feedparser.parse(self.feed_url)
        articles = []

        for entry in feed.entries:
            # On convertit le format spécifique RSS vers notre Entité
            published = datetime.fromtimestamp(mktime(entry.published_parsed)) #type: ignore
            
            articles.append(Article(
                title=entry.title,
                url=entry.link,
                published_at=published,
                source=feed.feed.title
            ))
        return articles