feat: update download cmd to use new functions

cmd/download.go

@@ -1,12 +1,40 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+	"os"
+
+	"github.com/mathismqn/godeez/internal/album"
+	"github.com/mathismqn/godeez/internal/song"
+	"github.com/spf13/cobra"
+)
 
 var downloadCmd = &cobra.Command{
-	Use:   "download [ID]",
+	Use:   "download [album_id...]",
-	Short: "Download a track from Deezer",
+	Short: "Download songs from one or more albums",
 	Run: func(cmd *cobra.Command, args []string) {
-		// Your code here
+		if len(args) == 0 {
+			cmd.Help()
+			return
+		}
+
+		for _, id := range args {
+			albumData, err := album.GetDataByID(id)
+			if err != nil {
+				fmt.Fprintf(os.Stderr, "could not fetch album data: %v\n", err)
+				continue
+			}
+
+			for _, s := range albumData.Songs.Data {
+				media, err := song.GetMedia(s)
+				if err != nil {
+					fmt.Fprintf(os.Stderr, "could not fetch media data: %v\n", err)
+					continue
+				}
+
+				fmt.Println(media)
+			}
+		}
 	},
 }