#include <iostream>
#include <iomanip>
#include <stdlib.h>
#include <windows.h>
#include <map>
#include <cmath>
#include <string>
#include <conio.h>
#include <sstream>

using namespace std;
string text = "u fat lol";
string encryptedText;
string text2;
int spaces = 0;
int offset;
int multipliers = 2;

char getOption()
{
    system("cls");
    char option;
    cout << "Enter 'e' to encrypt text..." << setw(42) << "Enter 'd' to decrypt text..." << setw(35) << "Enter 'x' to exit..." << endl;
    cin >> option;

    return option;
}

string encrypt(string &text, int offset)
{
    NewOrSetLine:char NewOrSet;
    cout << "\n\nDo you want to use new text or text set in code?\nn : New text";
    if (text.length() != 0){
    cout << "\nc : Text in code (text: '"<<text<<"')\n";}else{
    cout << "\n - There is no text set in code." << endl;}
    cin >> NewOrSet;
    if (NewOrSet == 'n' || NewOrSet == 'N') {
    cout << "\nEnter text to encrypt without spaces: " << endl; cin >> text; }
    else if (NewOrSet == 'c' || NewOrSet == 'C'){
        text = text;}else{goto NewOrSetLine;}

        if (offset == 0){
    cout << "\nEnter offset number(int)( some offsets might not work! ): " << endl; cin >> offset;
        }

    string result = "";

    for (int i = 0; i<text.length(); i++)
    {
        if (isupper(text[i])){
                for (int j = 0; j<2; j++){
            result += char(int(text[i] + offset + j));
            result += char(int(text[i] = 72));
            result += char(int(text[i] + (offset + j) + multipliers));
            result += char(int(text[i] = 81));
                }
            }

                else if (int(text[i] == 32)){
                result += char(int(51));
                spaces++;
            }

            else {
                for (int k = 0; k<2; k++){
            result += char(int(text[i] + offset + k));
            result += char(int(text[i] = 88));
            result += char(int(text[i] + (offset + k) + multipliers));
            result += char(int(text[i] = 34));
                }
            }
        }
        cout << endl;
        cout << "Number of spaces in text: " << spaces << endl;
    text2 = text;
    return result;
}

string decrypt(string encryptedText, int offset)
{
    string result = "";
    cout << "Enter Encrypted Text: ";
    cin >> encryptedText;
    cout << endl;
    cout << "Enter offset: ";
    cin >> offset;
    int n = 0;
    cout << endl;
    cout << "encry text: " << encryptedText << endl;

    for (int i=0; i<50000; i++){
            if (encryptedText.length() > n+1) {
                if (int(encryptedText[0 + n] == 51)){
                    result += char(int(32));
                    n += 1; }
                if (encryptedText.length() > n+1) {
                    result += char(int(encryptedText[0 + n] - offset));
                    n += 8; }

            }else{
            break;
            }
    }
return result;
}

int main()
{

    getoptions:
        char TheOption = getOption();

    if  (TheOption == 'e' || TheOption == 'E'){
        cout << "Encrypted Text: " << encrypt(text, offset);
        cout << endl;
        cout << "Press any key to continue..." << endl;
        getch();
        goto getoptions;
    }
    else if (TheOption == 'd' || TheOption == 'D'){
        cout << "Decrypted Text: " << decrypt(encryptedText, offset);
        cout << endl;
        cout << "Press any key to continue..." << endl;
        getch();
        goto getoptions;
    }
    else if (TheOption == 'x' || TheOption == 'X'){
        return 0;
    }
    else {
        goto getoptions;
    }
    return 0;
}