routes.py

import os
import requests
from fastapi import APIRouter, Query
from dotenv import load_dotenv

load_dotenv()


router = APIRouter()

GNEWS_API_KEY = os.getenv("GNEWS_API_KEY")

@router.get("/news/category/{category}")
def get_news_by_category(category: str, limit: int = 5):
    base_url = "https://gnews.io/api/v4/top-headlines"
    params = {
        "topic": category,
        "lang": "en",
        "max": limit,
        "token": GNEWS_API_KEY
    }

    try:
        response = requests.get(base_url, params=params, timeout=10)
        response.raise_for_status()  # raise exception for non-200 responses
        data = response.json()

        articles = []
        for article in data.get("articles", []):
            articles.append({
                "title": article["title"],
                "url": article["url"],
                "description": article.get("description"),
                "publishedAt": article["publishedAt"],
                "image": article.get("image"),
                "source": article["source"]["name"]
            })

        return articles

    except requests.exceptions.RequestException as e:
        print(f"[ERROR] Failed to fetch news: {e}")
        return {"error": "Failed to fetch news from GNews API."}

    except Exception as e:
        print(f"[ERROR] Unexpected error: {e}")
        return {"error": "An unexpected error occurred."}


@router.get("/")
async def root():
    return {"message": "LucidFeed backend is up and running!"}