package http

import (
	"fmt"
	"net/url"
	"path/filepath"

	"github.com/debridmediamanager.com/zurg/internal/torrent"
	"github.com/debridmediamanager.com/zurg/pkg/davextra"
)

// createMultiTorrentResponse creates a WebDAV response for a list of torrents
func createMultiTorrentResponse(basePath string, torrents []torrent.Torrent) (string, error) {
	htmlDoc := "<ul>"

	seen := make(map[string]bool)

	for _, item := range torrents {
		if item.Progress != 100 {
			continue
		}
		if _, exists := seen[item.Name]; exists {
			continue
		}
		seen[item.Name] = true

		path := filepath.Join(basePath, url.PathEscape(item.Name))
		htmlDoc += fmt.Sprintf("<li><a href=\"%s/\">%s</a></li>", path, item.Name)
	}

	return htmlDoc, nil
}

func createSingleTorrentResponse(basePath string, torrents []torrent.Torrent) (string, error) {
	htmlDoc := "<ul>"

	nameAndLink := make(map[string]bool)
	finalName := make(map[string]bool)

	currentPath := filepath.Join(basePath)

	for _, torrent := range torrents {
		for _, file := range torrent.SelectedFiles {
			if file.Link == "" {
				// log.Println("File has no link, skipping", file.Path)
				continue
			}

			filename := filepath.Base(file.Path)
			key := filename + file.Link

			if nameAndLink[key] {
				continue
			}
			nameAndLink[key] = true

			if finalName[filename] {
				fragment := davextra.GetLinkFragment(file.Link)
				filename = davextra.InsertLinkFragment(filename, fragment)
			}
			finalName[filename] = true

			filePath := filepath.Join(currentPath, url.PathEscape(filename))
			htmlDoc += fmt.Sprintf("<li><a href=\"%s\">%s</a></li>", filePath, filename)
		}
	}

	return htmlDoc, nil
}