//Programmer: Connor Lottman

//Dates (start/end): June 19-20

//Friends List

//Description:Friends List

​

using System;

using System.Collections;

​

public class Program

{

    public static void Main()

    {

        ArrayList friends = new ArrayList();

        Console.WriteLine("Friends List");

        Console.WriteLine();

        string name = "";

        string selection = "";

        while (selection != "x")

        {

            // build the menu

            Console.WriteLine("-----------------------");

            Console.WriteLine("Main Menu\n");

            Console.WriteLine("1. Display All");

            Console.WriteLine("2. Clear List");

            Console.WriteLine("3. Insert Item");

            Console.WriteLine("4. Delete Item");

            Console.WriteLine("5. Search Item");

            Console.WriteLine("X. Exit");

            Console.WriteLine();

            Console.Write("Enter an option: ");

            selection = Console.ReadLine().ToLower();

            if (selection == "1")

            {

                // loop through the array of friends and display

                Console.WriteLine();

                Console.WriteLine("Friends:");

                Console.WriteLine("-----------------------");

                foreach (var item in friends)

                {

                    Console.WriteLine(item);

                }

​

                Console.WriteLine("-----------------------");

                Console.WriteLine("No of friends: {0}", friends.Count);

                Console.WriteLine();

            }

            else if (selection == "2")

            {

                // clear the array

                friends.Clear();

                Console.WriteLine("Cleared!");

                Console.WriteLine("-----------------------");

                Console.WriteLine("No of friends: {0}", friends.Count);

                Console.WriteLine();

            }

            else if (selection == "3")

            {

                // ask for and add a name

                Console.WriteLine();

                Console.WriteLine("Insert a Friend");

                Console.Write("Friend's Name: ");

                name = Console.ReadLine();

                friends.Add(name);

                Console.WriteLine("-----------------------");

                Console.WriteLine("No of friends: {0}", friends.Count);

                Console.WriteLine();

            }

            else if (selection == "4")

            {

                Console.WriteLine();

                Console.WriteLine("Delete a Friend");

                Console.Write("Friend's Name: ");

                name = Console.ReadLine();

                // find the name

                if (friends.Contains(name))

                {

                    // remove if it exists

                    friends.Remove(name);

                    Console.WriteLine("Deleted!");

                }

                else

                {

                    Console.WriteLine("'{0}' was not found!", name);

                }

​

                Console.WriteLine("-----------------------");

                Console.WriteLine("No of friends: {0}", friends.Count);

                Console.WriteLine();

            }

            else if (selection == "5")

            {

                // ask for and find a friend's name

                Console.WriteLine();

                Console.WriteLine("Search for a Friend");

                Console.Write("Friend's Name: ");

                name = Console.ReadLine();

                // find the name

                if (friends.Contains(name))

                {

                    // found

                    Console.WriteLine("Your friend '{0}' is in the list!", name);

                }

                else

                {

                    Console.WriteLine("'{0}' was not found!", name);

                }

​

                Console.WriteLine();

            }

            else if (selection != "x")

            {

                Console.WriteLine("Invalid selection. Try again!");

                Console.WriteLine();

            }

        }

    }

}