namespace ConsoleApp1;

using System.Text;

public class Task27
{
    public void Run()
    {
        Console.InputEncoding = Encoding.Unicode;
        Console.OutputEncoding = Encoding.Unicode;

        int numbersArrayLength = 20;
        int randomRangeIncludedLowBound = 1;
        int randomRangeExcludedHighBound = 100;
        Random random = new Random();

        int[] numbers = new int[numbersArrayLength];

        string displayedNumbers = string.Empty;

        for ( int i = 0; i < numbersArrayLength; i++ )
        {
            numbers[i] = random.Next( randomRangeIncludedLowBound, randomRangeExcludedHighBound );
            displayedNumbers = $"{displayedNumbers}{numbers[i]} ";
        }

        Console.WriteLine( $"Source numbers:\n{displayedNumbers}\n" );

        bool canExit = false;

        while ( canExit == false )
        {
            Console.Write($"Input array roll offset: ");
            int numbersArrayRollOffset = int.Parse( Console.ReadLine() );

            int loopsOffset = 1;
            int numberArrayRollLoops = Math.Abs( numbersArrayRollOffset ) / numbersArrayLength + loopsOffset;
            int normalizedNumbersArrayRollOffset = (numbersArrayRollOffset + numbersArrayLength * numberArrayRollLoops) % numbersArrayLength;

            if ( normalizedNumbersArrayRollOffset == 0 )
            {
                Console.WriteLine("Array has no changes\n");
            }
            else
            {
                int indexOffset = 1;
                var lastIndex = numbersArrayLength - 1;

                for ( int rollStep = 0; rollStep < normalizedNumbersArrayRollOffset; rollStep++ )
                {
                    int tempNumber = numbers[lastIndex];

                    for ( int i = lastIndex - indexOffset; i >= 0 ; i-- )
                        numbers[i + 1] = numbers[i];

                    numbers[0] = tempNumber;
                }
            }

            displayedNumbers = string.Empty;

            for ( int i = 0; i < numbersArrayLength; i++ )
                displayedNumbers = $"{displayedNumbers}{numbers[i]} ";

            Console.WriteLine( $"Rolled numbers:\n{displayedNumbers}\n" );

            string properlyExitAnswer = "n";
            Console.WriteLine( $"Continue? Enter \'{properlyExitAnswer}\' for exit" );
            string continueAnswer = Console.ReadLine();

            canExit = string.Equals( continueAnswer, properlyExitAnswer );
        }
    }
}