package main

import (
	"fmt"

	"github.com/bogem/id3v2/v2"
	"github.com/spf13/cobra"
)



func show(file string)error{
	mp3File, err := id3v2.Open(file, id3v2.Options{Parse: true})
	if err != nil {
		return err
	}
	fmt.Println("File:   ", file)
	fmt.Println("Title:  ", mp3File.Title())
	fmt.Println("Artist: ", mp3File.Artist())
	fmt.Println("Genre:  ", mp3File.Genre())
	fmt.Println("Album:  ", mp3File.Album())
	fmt.Println("Version:", mp3File.Version())
	fmt.Println("Year:   ", mp3File.Year())
	return nil
}

func set()*cobra.Command{
	var artist, title, genre, year, version, album, file string
	cmd := &cobra.Command{
		Use: "set",
		Short: "set [options] set mp3 file info",
		Run: func(cmd *cobra.Command, args []string) {
			mp3File, err := id3v2.Open(file, id3v2.Options{Parse: true})
			if err != nil {
				panic(err)
			}
			if artist != "" {
				mp3File.SetArtist(artist)
			}
			if title != "" {
				mp3File.SetTitle(title)
			}
			if album != ""{
				mp3File.SetAlbum(album)
			}
			if genre != "" {
				mp3File.SetGenre(genre)
			}
			if year != "" {
				mp3File.SetYear(year)
			}
			if version != "" {
				mp3File.SetVersion(byte(version[0]))
			}
			err = mp3File.Save()
			fmt.Println("save err ", err, artist, title)
			if err != nil {
				panic(err)
			}
		},
	}
	cmd.Flags().StringVarP(&file, "file", "f", "", "mp3 file to set")
	cmd.Flags().StringVarP(&artist, "artist", "a", "", "mp3 file artist")
	cmd.Flags().StringVarP(&title, "title", "t", "", "mp3 file title")
	cmd.Flags().StringVarP(&genre, "genre", "g", "", "mp3 file genre")
	cmd.Flags().StringVarP(&year, "year", "y", "", "mp3 file year")
	cmd.Flags().StringVarP(&version, "version", "v", "", "mp3 file version")
	cmd.Flags().StringVarP(&album, "album", "b", "", "mp3 file album")
	return cmd
}

func main(){
	cmd := &cobra.Command{
		Short: "",
	}

	showCmd := &cobra.Command{
		Use: "show",
		Short: "show [file]",
		Args: cobra.ExactArgs(1),
		Run: func(cmd *cobra.Command, args []string) {
			show(args[0])
		},
	}
	cmd.AddCommand(showCmd, set())
	cmd.Execute()
}