package main

import (
	"fmt"
	"log"
	"os"
	"path/filepath"
	"strings"
	"time"

	"github.com/eduncan911/podcast"
)

func generateRSS() error {
	rssLock.Lock()
	defer rssLock.Unlock()

	episodes, err := scanEpisodes()
	if err != nil {
		return err
	}

	timeNow := time.Now()

	p := podcast.New(
		podTitle,
		baseURL,
		podDesc,
		&timeNow, &timeNow,
	)

	// 2. Aggiungi metadati globali
	p.IAuthor = podAuthor
	p.AddImage(podLogo)
	p.Language = podLang

	for _, ep := range episodes {

		epBaseUrl := baseURL + "/audio/" + filepath.Base(ep.File)

		strip, found := strings.CutSuffix(filepath.Base(ep.File), ".mp3")
		if !found {
			log.Println("Seems the file is not mp3??????")
		}
		epBaseImg := baseURL + "/covers/" + strip + ".jpg"

		timepub, err := time.Parse(time.RFC1123, ep.PubDate)
		if err != nil {
			fmt.Println("Errore nella conversione:", err)
			timepub = time.Now()
		}

		item := podcast.Item{
			Title:       ep.Title,
			Description: ep.Description,
			PubDate:     &timepub,
			Enclosure: &podcast.Enclosure{
				URL:    epBaseUrl,
				Type:   podcast.MP3,
				Length: ep.Size,
			},
			// Metadati specifici iTunes
			IAuthor: ep.Artist,
			IImage: &podcast.IImage{
				HREF: epBaseImg, // Campo corretto
			},
			IExplicit: "no",
		}

		if _, err := p.AddItem(item); err != nil {
			log.Fatal("Errore nell'aggiunta dell'episodio: ", err)
		}

	}

	if err := p.Encode(os.Stdout); err != nil {
		panic(err)
	}

	// Opzionale: salva su file
	file, _ := os.Create("feed.xml")
	defer file.Close()
	return p.Encode(file)

}