C#_Caesar_Cipher

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Drawing;
using System.Drawing.Imaging;

using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace WorldsWorstCypherOhAndBTW2PacisAliveMark2
{


    class Program
    {

        [DllImport("User32", CharSet = CharSet.Auto)] // <--- needed for the wallpaper changing
        public static extern int SystemParametersInfo(int uiAction, int uiParam,
               string pvParam, uint fWinIni);

        static Random rnd = new Random();
        //static string[] alphabet = { "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z" };

        static int movement = 0;

        static string word = "";

        static string[] newalpha = new string[alphabetget().Length];

        static int[] arr = Enumerable.Range(0, alphabetget().Length).OrderBy(c => rnd.Next()).ToArray();
        static int count = 0;

        static void Main(string[] args)
        {
            create_alphabet_file();

            take_inputs();

            create_shift_alphabet();
            shuffle();
            justEndMeAlready();


            Console.ReadLine();
        }

        static void create_alphabet_file()
        {
            File.WriteAllText("alphabet.txt","a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z");
        }

        static string[] alphabetget()
        {
            return File.ReadAllText("alphabet.txt").Split(',');

        }

        //inputs

        static void take_inputs()
        {
            Console.WriteLine("Ceaser cypher program");
            Console.Write("Enter Text : ");
            word = Console.ReadLine();
            Console.Write("Enter shift : ");
            movement = Convert.ToInt16(Console.ReadLine());

            Console.WriteLine("Sit back and relax...");
            Console.WriteLine("This may take a while");
        }

        // outputs

        static void justEndMeAlready()
        {
            File.WriteAllText("output.txt", Cypher());
            System.Diagnostics.Process.Start("GUIinVisUalBasIc.exe"); //dont forget to put the compiled vb in the same folder as the exicuteing code here

            string path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/victory.jpg";
            System.Threading.Thread.Sleep(4000);
            Screenshot();
            SystemParametersInfo(0x0014, 0, path, 0x0001);
        }

        // the big shuffle


        static void shuffle()
        {
            arr = Enumerable.Range(0, alphabetget().Length).OrderBy(c => rnd.Next()).ToArray();
            for(int i = 0; i < alphabetget().Length; i ++)
            {

                newalpha[i] = alphabetget()[arr[i]];
                count += 1;
            }
        }

        static void create_shift_alphabet()
        {
            bool done = false;
            int count = 0;

            while (done == false)
            {
                count += 1;
                shuffle();
                done = Check_array_shift();
            }
            Console.WriteLine(count.ToString()+ " " + showarrr());
        }

        // display arr for testing

        static string showarrr() // <----- Nnot needed for program exicution (left in the code anyway)
        {
            string output = "";
            for (int i = 0; i < alphabetget().Length; i++)
            {
                output += newalpha[i];
            }
            return output;
        }



        // forget about this for now
        static int Loop_Movement(int i) // helps the shift not fuck up when it gets to the end of an array
        {
            if ((movement + i) >= alphabetget().Length)
            {
                return (movement + i) - alphabetget().Length;
            }
            else return movement + i;
        }

        static bool Check_array_shift()// final utility check keeps some arbitery buffers updateing
        {
            bool check = true;
            for (int i = 0; i < alphabetget().Length; i++)
            {
                if (alphabetget()[Loop_Movement(i)] != newalpha[i])
                {
                    check = false;
                }
            }

            return check;
        }


        // actual cyphering

        static string Cypher()
        {
            string output = "";
            for (int i = 0; i < word.Length; i++)
            {
                if (word[i].ToString() != " ")
                {

                    for (int e = 0; e < alphabetget().Length; e++)
                    {
                        if (word[i].ToString() == alphabetget()[e]) output += newalpha[e];
                    }
                }
                else
                {
                    output += " ";
                }
            }

            return output;
        }

        // screenshotting utilitys




        static void Screenshot()
        {
            Rectangle bounds = Screen.GetBounds(Point.Empty);
            using (Bitmap bitmap = new Bitmap(bounds.Width, bounds.Height))
            {
                using (Graphics g = Graphics.FromImage(bitmap))
                {
                    g.CopyFromScreen(Point.Empty, Point.Empty, bounds.Size);
                }

                bitmap.Save(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/victory.jpg", ImageFormat.Jpeg);
            }
        }



    }
}