completioncmd

var CompletionCommand = redant.Command{
	Use:   "completion [shell]",
	Short: "Generate the autocompletion script for the specified shell",
	Long: `Generate the autocompletion script for redant for the specified shell.
See each sub-command's help for details on how to use the generated script.`,
	Handler: func(ctx context.Context, inv *redant.Invocation) error {
		if len(inv.Args) == 0 {
			fmt.Fprintf(inv.Stderr, "error: shell argument is required. Available shells: bash, zsh, fish\n")
			return fmt.Errorf("missing shell argument")
		}

		shell := inv.Args[0]
		switch shell {
		case "bash":
			return generateBashCompletion(ctx, inv)
		case "zsh":
			return generateZshCompletion(ctx, inv)
		case "fish":
			return generateFishCompletion(ctx, inv)
		default:
			fmt.Fprintf(inv.Stderr, "error: unsupported shell: %s. Available shells: bash, zsh, fish\n", shell)
			return fmt.Errorf("unsupported shell: %s", shell)
		}
	},
}