Share single torrent client across all services, eliminate triple qBittorrent login on startup

internal/torrent/service.go

@@ -11,7 +11,6 @@ import (
 	"github.com/rs/zerolog/log"
 
 	pb "homelab.lan/music-agregator/gen/music_agregator/torrent/v1"
-	"homelab.lan/music-agregator/internal/config"
 )
 
 type TorrentService struct {
@@ -19,27 +18,10 @@ type TorrentService struct {
 	token  string
 }
 
-func NewTorrentService(cfg config.Config) (*TorrentService, error) {
-	var client TorrentClient
-
-	switch cfg.Torrent.ClientType {
-	case config.TorrentClientQbittorrent:
-		client = NewQbittorrentClient(cfg.Torrent.Url)
-	default:
-		return nil, fmt.Errorf("unknown torrent client type: %s", cfg.Torrent.ClientType)
-	}
-
-	token, err := client.Login(cfg.Torrent.Username, cfg.Torrent.Password)
-	if err != nil {
-		return nil, fmt.Errorf("torrent client login failed: %w", err)
-	}
-
-	log.Info().Str("client", string(cfg.Torrent.ClientType)).Msg("torrent client connected")
-
+func NewTorrentService(client TorrentClient) *TorrentService {
 	return &TorrentService{
 		client: client,
-		token:  token,
-	}, nil
+	}
 }
 
 func (service *TorrentService) List(req *pb.ListRequest) (*pb.ListResponse, error) {