MidExam/Group2/Wizard Poker

using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Text;

namespace fundamental14
{
    class MainClass
    {
        public static void Main()
        {
            List<string> card = Console.ReadLine().Split(":").ToList();
            List<string> cardN = new List<string>();

            string input = string.Empty;
            while((input = Console.ReadLine())!= "Ready")
            {
                string[] array = input.Split().ToArray();
                string command = array[0];
                string cardName = array[1];
                int indexRem = 0;

                if (command == "Add")
                {
                    if(!card.Contains(cardName))
                    {
                        Console.WriteLine("Card not found.");
                    }
                    else
                    {
                        indexRem = card.IndexOf(cardName);
                        cardN.Add(cardName);
                        card.RemoveAt(indexRem);
                    }
                }
                else if (command == "Insert")
                {
                    int index = int.Parse(array[2]);
                    if (index >= 0 && index < cardN.Count && card.Contains(cardName))
                    {
                        indexRem = card.IndexOf(cardName);
                        card.RemoveAt(indexRem);
                        cardN.Insert(index, cardName);

                    }
                    else
                    {
                        Console.WriteLine("Error!");
                    }
                }
                else if (command == "Remove")
                {
                    if (cardN.Contains(cardName))
                   {
                    indexRem = cardN.IndexOf(cardName);
                    cardN.RemoveAt(indexRem);
                    }
                    else
                    {
                        Console.WriteLine("Card not found.");
                    }
                }
                else if (command == "Swap")
                {
                    string word2 = array[2];
                    indexRem = cardN.IndexOf(cardName);
                    int newIndex = cardN.IndexOf(word2);


                    if (indexRem > newIndex)
                    {
                        cardN.Insert(indexRem, word2);
                        cardN.RemoveAt(indexRem + 1);
                        cardN.Insert(newIndex, cardName);
                        cardN.RemoveAt(newIndex + 1);
                    }
                    else
                    {
                        cardN.Insert(newIndex, cardName);
                        cardN.RemoveAt(newIndex + 1);
                        cardN.Insert(indexRem, word2);
                        cardN.RemoveAt(indexRem + 1);
                    }
                }
                else if (command == "Shuffle")
                {
                    cardN.Reverse();

                }
            }
            Console.WriteLine(string.Join(" ", cardN));
        }
    }
}