public void RunMenu()
{
_goBackOneLevelItem =
// single - return element if there is only 1 (not 0 or more than 1)
MenuItemsDictionary.Single(m => m.Value.MenuType == MenuType.GoBackOneLevel);
string menuCommand;
do
{
ShowMenu();
menuCommand = Console.ReadLine()?.ToUpper().Trim();
if (menuCommand == _goBackOneLevelItem.Key)
{
continue;
}
MenuItem menuItem = null;
if (string.IsNullOrWhiteSpace(menuCommand))
{
menuItem = MenuItemsDictionary.FirstOrDefault(item => item.Value.IsDefaultChoice).Value;
}
else
{
menuItem = MenuItemsDictionary.FirstOrDefault(item => item.Key == menuCommand).Value;
}
if (menuItem == null)
{
Console.WriteLine("Command not found!");
WaitForUser();
continue;
}
if (menuItem?.ActionToRun == null)
{
Console.WriteLine("This item has no action!");
WaitForUser();
continue;
}
menuItem.ActionToRun();
// WaitForUser();
} while (menuCommand != _goBackOneLevelItem.Key);
}
