package main

import (
	"encoding/json"
	"fmt"
	"io"
	"log/slog"
	"net/http"
)

func fetchFeed(url string) {
	slog.Info((fmt.Sprintf("Fetching %s\n", url)))
	re, err := http.Get(url)

	if err != nil {
		fmt.Printf("%+v", err)
		return
	}

	defer re.Body.Close()
	b, _ := io.ReadAll(re.Body)

	d := ParseFeed(b)

	links := []Link{}

	for _, feedItem := range d.Channel.Items {
		links = append(links, Link{Url: feedItem.Link, Title: feedItem.Title, PublishedDate: feedItem.GetPublishedDate()})
	}
	b, _ = json.Marshal(links)
	cacheKey := fmt.Sprintf("feeds:%s", url)
	SharedCache.Set(cacheKey, string(b))
}

func refreshFeeds() {
	for _, url := range SharedCache.List("feedurl") {
		fetchFeed(url)
	}
}