UserInterface.cs

using Spectre.Console;
namespace TCSA.OOP.LibraryManagementSystem;

internal class UserInterface
{
    private BooksController booksController = new BooksController();
    internal void MainMenu()
    {
        while (true)
        {
            Console.Clear();

            var choice = AnsiConsole.Prompt(
            new SelectionPrompt<MenuOption>().Title("What do you want to do next?").AddChoices(Enum.GetValues<MenuOption>()));

            switch (choice)
            {
                case MenuOption.ViewBooks:
                    booksController.ViewBooks();
                    break;

                case MenuOption.AddBook:
                    booksController.AddBook();
                    break;

                case MenuOption.DeleteBook:
                    booksController.DeleteBook();
                    break;
            }
        }
    }
}