"""
RSS Feeds for the Servala website
"""

from django.contrib.syndication.views import Feed
from django.urls import reverse
from django.utils.feedgenerator import Rss201rev2Feed
from django.utils.html import strip_tags
from django.conf import settings

from .models import Article


class ArticleRSSFeed(Feed):
    """RSS feed for published articles"""

    title = "Servala Articles"
    link = "/articles/"
    description = "Latest articles about cloud services, consulting partners, and technology insights from Servala"
    feed_type = Rss201rev2Feed

    def items(self):
        """Return the latest 20 published articles"""
        return Article.objects.filter(is_published=True).order_by("-article_date")[:20]

    def item_title(self, item):
        """Return the article title"""
        return item.title

    def item_description(self, item):
        """Return the article excerpt with 'Read more' link"""
        base_url = "https://servala.com"

        # Use the excerpt and add a proper HTML read more link
        excerpt = strip_tags(item.excerpt)
        article_url = f"{base_url}{item.get_absolute_url()}"

        # Return HTML content for the RSS description
        return f'{excerpt} <a href="{article_url}">Read more...</a>'

    def item_link(self, item):
        """Return the link to the article detail page"""
        return item.get_absolute_url()

    def item_guid(self, item):
        """Return a unique identifier for the item"""
        return f"article-{item.id}"

    def item_pubdate(self, item):
        """Return the publication date"""
        # Convert date to datetime for RSS compatibility
        from datetime import datetime, time
        from django.utils import timezone

        # Combine the date with midnight time and make it timezone-aware
        dt = datetime.combine(item.article_date, time.min)
        return timezone.make_aware(dt, timezone.get_current_timezone())

    def item_author_name(self, item):
        """Return the author name"""
        return item.author.get_full_name() or item.author.username

    def item_categories(self, item):
        """Return categories for the article"""
        categories = []

        # Add related entity as category
        if item.related_service:
            categories.append(f"Service: {item.related_service.name}")
        if item.related_consulting_partner:
            categories.append(f"Partner: {item.related_consulting_partner.name}")
        if item.related_cloud_provider:
            categories.append(f"Provider: {item.related_cloud_provider.name}")

        # Add meta keywords as categories if available
        if item.meta_keywords:
            keywords = [keyword.strip() for keyword in item.meta_keywords.split(",")]
            categories.extend(keywords)

        return categories