public static void Start()
{
ContactManager.InitPhoneBook();
Console.WriteLine("Hello.");
Menu();
}
public static void Menu()
{
Console.WriteLine();
Console.WriteLine("What would you like to do? (Write a number)");
Console.WriteLine("===========================================");
Console.WriteLine();
while (true)
{
Console.WriteLine("1. Add new contact");
Console.WriteLine("2. Show full list of contacts");
Console.WriteLine("3. Add additional number for an existing contact");
Console.WriteLine("4. Update contact information");
Console.WriteLine("5. Delete a contact");
Console.WriteLine("6. Exit");
try
{
int input = int.Parse(Console.ReadLine());
switch (input)
{
case 1:
Console.Clear();
ContactManager.AddNewContact();
Menu();
break;
case 2:
Console.Clear();
ContactManager.ListAllContacts();
Menu();
break;
case 3:
Console.Clear();
ContactManager.AddNewNumber();
Menu();
break;
case 4:
Console.Clear();
ContactManager.UpdateContact();
Menu();
break;
case 5:
Console.Clear();
ContactManager.DeleteContact();
Menu();
break;
case 6:
Environment.Exit(0);
break;
default:
Console.WriteLine("Invalid input. Choose an option from menu");
break;
}
}
catch (FormatException)
{
Console.WriteLine("Invalid input. Choose an option from menu");
}
}
}