refactor: update some stuff

.example-config

@@ -1,4 +1,4 @@
-license_token = 'AAAAA1bcDFgHJKLmnOPqrsTUvwXYZ12o3lmNOjR2xWiQRT3v5zxL4mKoWjxL82jD7sWx93KfYGsN2IkdPxsUw9PTas7oFbgR3nY9qpZmVyHFJKLPxT7sWmqErXyTn5iKoNpRtV7bPdQZ8qLmWoJpU2nKrXz6vW'
 arl_cookie = '1d9e90abb452a61b1b7463f0953e1b303c4e2e7e5fd404fde9b385f4de01c340ac0f62f1c8c1550405b0b9beded0e28c481e96a6148e8f4548351add5d7db746b2785ecf83b1768e5dd8cc73b1ad30c18d07c9cb37f5c6b9cd7a78a4de2aff11'
+license_token = 'AAAAA1bcDFgHJKLmnOPqrsTUvwXYZ12o3lmNOjR2xWiQRT3v5zxL4mKoWjxL82jD7sWx93KfYGsN2IkdPxsUw9PTas7oFbgR3nY9qpZmVyHFJKLPxT7sWmqErXyTn5iKoNpRtV7bPdQZ8qLmWoJpU2nKrXz6vW'
 secret_key = 'hTv1IAw19qWy9i3f'
 iv = '0001020304050607'

cmd/download.go

@@ -21,7 +21,7 @@ var downloadCmd = &cobra.Command{
 }
 
 func init() {
-	rootCmd.AddCommand(downloadCmd)
+	RootCmd.AddCommand(downloadCmd)
 	downloadCmd.PersistentFlags().StringVarP(&outputDir, "output", "o", "", "output directory (default is current directory)")
 	downloadCmd.PersistentFlags().StringVarP(&quality, "quality", "q", "", "download quality [mp3_128, mp3_320, flac, best] (default is best)")
 }
@@ -38,7 +38,7 @@ func validateInput() {
 		"best":    true,
 	}
 	if !validQualities[quality] {
-		fmt.Fprintf(os.Stderr, "invalid quality option: %s\n", quality)
+		fmt.Fprintf(os.Stderr, "Error: invalid quality option: %s\n", quality)
 		os.Exit(1)
 	}
 }

cmd/root.go

@@ -12,20 +12,16 @@ import (
 
 var cfgFile string
 
-var rootCmd = &cobra.Command{
+var RootCmd = &cobra.Command{
 	Use:   "godeez",
 	Short: "GoDeez is a tool to download music from Deezer",
-}
-
-func Execute() {
-	if err := rootCmd.Execute(); err != nil {
-		fmt.Fprintf(os.Stderr, "could not execute command: %v\n", err)
-		os.Exit(1)
-	}
+	Run: func(cmd *cobra.Command, args []string) {
+		cmd.Help()
+	},
 }
 
 func init() {
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.godeez)")
+	RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.godeez)")
 	cobra.OnInitialize(initConfig)
 }
 
@@ -35,17 +31,17 @@ func initConfig() {
 	} else {
 		homedir, err := os.UserHomeDir()
 		if err != nil {
-			fmt.Fprintf(os.Stderr, "could not get home directory: %v\n", err)
+			fmt.Fprintf(os.Stderr, "Error: could not get home directory: %v\n", err)
 			os.Exit(1)
 		}
 
 		path := path.Join(homedir, ".godeez")
 		if _, err := os.Stat(path); os.IsNotExist(err) {
-			fmt.Printf("config file not found, creating one at %s\n", path)
+			fmt.Printf("Config file not found, creating one at %s\n", path)
 
-			content := []byte("license_token: \nsecret_key: \niv: \n")
+			content := []byte("arl_cookie = ''\nlicense_token = ''\nsecret_key = ''\niv = '0001020304050607'\n")
 			if err := os.WriteFile(path, content, 0644); err != nil {
-				fmt.Fprintf(os.Stderr, "could not create config file: %v\n", err)
+				fmt.Fprintf(os.Stderr, "Error: could not create config file: %v\n", err)
 				os.Exit(1)
 			}
 		}
@@ -57,26 +53,26 @@ func initConfig() {
 	viper.SetConfigType("toml")
 	viper.AutomaticEnv()
 	if err := viper.ReadInConfig(); err != nil {
-		fmt.Fprintf(os.Stderr, "could not read config file: %v\n", err)
+		fmt.Fprintf(os.Stderr, "Error: could not read config file: %v\n", err)
 		os.Exit(1)
 	}
 
 	cfg := &config.Cfg
 	if err := viper.Unmarshal(&cfg); err != nil {
-		fmt.Fprintf(os.Stderr, "could not unmarshal config: %v\n", err)
+		fmt.Fprintf(os.Stderr, "Error: could not unmarshal config file: %v\n", err)
 		os.Exit(1)
 	}
 
 	if cfg.LicenseToken == "" {
-		fmt.Fprintln(os.Stderr, "license_token is not set in config file")
+		fmt.Fprintln(os.Stderr, "Error: license_token is not set in config file")
 		os.Exit(1)
 	}
 	if cfg.SecretKey == "" {
-		fmt.Fprintln(os.Stderr, "secret_key is not set in config file")
+		fmt.Fprintln(os.Stderr, "Error: secret_key is not set in config file")
 		os.Exit(1)
 	}
 	if cfg.IV == "" {
-		fmt.Fprintln(os.Stderr, "iv is not set in config file")
+		fmt.Fprintln(os.Stderr, "Error: iv is not set in config file")
 		os.Exit(1)
 	}
 }

main.go

@@ -3,5 +3,5 @@ package main
 import "github.com/mathismqn/godeez/cmd"
 
 func main() {
-	cmd.Execute()
+	cmd.RootCmd.Execute()
 }