"""
Blog API endpoints.
Job ID: MTAD-IMPL-2025-11-18-CL
"""

from fastapi import APIRouter, HTTPException, status
import feedparser
import httpx
from datetime import datetime
from time import mktime

router = APIRouter()

# TODO: Get this from settings/env
RSS_FEED_URL = "https://morethanadiagnosis.org/feed/"  # Placeholder, need actual URL

@router.get("/rss")
async def get_blog_rss():
    """Fetch and parse blog posts from WordPress RSS feed."""
    async with httpx.AsyncClient() as client:
        try:
            response = await client.get(RSS_FEED_URL)
            response.raise_for_status()
        except httpx.RequestError as exc:
            raise HTTPException(
                status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
                detail=f"Error fetching blog feed: {exc}"
            )
        except httpx.HTTPStatusError as exc:
            raise HTTPException(
                status_code=exc.response.status_code,
                detail=f"Error fetching blog feed: {exc}"
            )

    feed = feedparser.parse(response.text)
    
    posts = []
    for entry in feed.entries:
        # Parse published date
        published_at = None
        if hasattr(entry, 'published_parsed'):
            published_at = datetime.fromtimestamp(mktime(entry.published_parsed))
        
        # Extract image if available (WordPress often puts it in content or media:content)
        image_url = None
        if 'media_content' in entry:
            image_url = entry.media_content[0]['url']
        elif 'links' in entry:
             for link in entry.links:
                 if link.get('rel') == 'enclosure' and link.get('type', '').startswith('image/'):
                     image_url = link['href']
                     break

        posts.append({
            "id": entry.get("id", entry.get("link")),
            "title": entry.get("title"),
            "link": entry.get("link"),
            "published_at": published_at,
            "summary": entry.get("summary"),
            "content": entry.get("content", [{"value": ""}])[0]["value"],
            "image_url": image_url,
            "author": entry.get("author")
        })

    return {
        "title": feed.feed.get("title", "Blog"),
        "description": feed.feed.get("description", ""),
        "items": posts
    }