package webdav

import (
	"net/http"
	"net/url"
	"os"
	"strings"
	"time"
)

// getName: Returns the torrent name and filename from the path
// /webdav/alldebrid/__all__/TorrentName
func getName(rootDir, path string) (string, string) {
	path = strings.TrimPrefix(path, rootDir)
	parts := strings.Split(strings.TrimPrefix(path, string(os.PathSeparator)), string(os.PathSeparator))
	if len(parts) < 2 {
		return "", ""
	}
	return parts[1], strings.Join(parts[2:], string(os.PathSeparator)) // Note the change from [0] to [1]
}

func acceptsGzip(r *http.Request) bool {
	return strings.Contains(r.Header.Get("Accept-Encoding"), "gzip")
}

func isValidURL(str string) bool {
	u, err := url.Parse(str)
	// A valid URL should parse without error, and have a non-empty scheme and host.
	return err == nil && u.Scheme != "" && u.Host != ""
}

// Determine TTL based on the requested folder:
//   - If the path is exactly the parent folder (which changes frequently),
//     use a short TTL.
//   - Otherwise, for deeper (torrent folder) paths, use a longer TTL.
func (h *Handler) getCacheTTL(urlPath string) time.Duration {
	if h.isParentPath(urlPath) {
		return 30 * time.Second // Short TTL for parent folders
	}
	return 2 * time.Minute // Longer TTL for other paths
}