package main

import (
	"fmt"
	"net/http"
	"time"

	"github.com/gorilla/feeds"
)

func generateRSSFeed(w http.ResponseWriter, blogs []Blog, siteURL string) {
	feed := &feeds.Feed{
		Title:       "My Blog",
		Link:        &feeds.Link{Href: siteURL},
		Description: "A blog about various topics.",
		Author:      &feeds.Author{Name: "Your Name", Email: "your-email@example.com"},
		Created:     time.Now(),
	}

	for _, blog := range blogs {
		for _, entry := range blog.Entries {
			feed.Items = append(feed.Items, &feeds.Item{
				Title:       fmt.Sprintf("Entry %d", entry.Number), // Use entry number as title
				Link:        &feeds.Link{Href: fmt.Sprintf("%s/%s/%d", siteURL, blog.Name, entry.Number)},
				Description: entry.Content,
				Created:     entry.Date,
			})
		}
	}

	rss, err := feed.ToRss()
	if err != nil {
		http.Error(w, "Error generating RSS feed", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/rss+xml")
	w.Write([]byte(rss))
}

func generateBlogRSSFeed(w http.ResponseWriter, blog Blog, siteURL string) {
	feed := &feeds.Feed{
		Title:       blog.Name,
		Link:        &feeds.Link{Href: fmt.Sprintf("%s/%s", siteURL, blog.Name)},
		Description: blog.Name,
		Author:      &feeds.Author{Name: "Your Name", Email: "your-email@example.com"},
		Created:     time.Now(),
	}

	for _, entry := range blog.Entries {
		feed.Items = append(feed.Items, &feeds.Item{
			Title:       fmt.Sprintf("Entry %d", entry.Number), // Use entry number as title
			Link:        &feeds.Link{Href: fmt.Sprintf("%s/%s/%d", siteURL, blog.Name, entry.Number)},
			Description: entry.Content,
			Created:     entry.Date,
		})
	}

	rss, err := feed.ToRss()
	if err != nil {
		http.Error(w, "Error generating RSS feed", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/rss+xml")
	w.Write([]byte(rss))
}