ATM simulator

/*  OS = Windows 7
    Compiler = CodeBlocks 10.05

    ATM simulator -
*/

#include <iostream>
#include <windows.h>
#include <Stdlib.h>
#include <ctime>
#include <string>
#include <cstdio>
using namespace std;

char ch156 = 156; // £ sign

int password();
int selectMenu ();
double depositMoney(double mon);
double widrawMoney(double WMoney);
double balanceInquiry (double bal);
char tryAgain();
void quitProgram( );

HANDLE console = GetStdHandle(STD_OUTPUT_HANDLE);
COORD coord;

// Thanks to NULL on (http://www.cplusplus.com/articles/E6vU7k9E/) for your wisdom
string getpass(const char *prompt, bool show_asterisk = true)
{
     const char BACKSPACE = 8;
     const char RETURN = 13;
     int i = 0;

     string password;
     unsigned char ch = 0;

     coord.X = 13;
     coord.Y = 8;
     SetConsoleCursorPosition(console, coord);
     cout << prompt << endl;

     DWORD con_mode;
     DWORD dwRead;

     HANDLE hIn=GetStdHandle(STD_INPUT_HANDLE);

     GetConsoleMode( hIn, &con_mode );
     SetConsoleMode( hIn, con_mode & ~(ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT) );

     while(ReadConsoleA( hIn, &ch, 1, &dwRead, NULL) && ch !=RETURN)
     {
          if(ch==BACKSPACE)
          {
               if(password.length()!=0)
               {
                    if(show_asterisk)
                         cout <<"\b \b";
                    password.resize(password.length()-1);
               }
          }
          else
          {
               password+=ch;
               if(show_asterisk)
               {
                    coord.X = 13 + i;
                    coord.Y = 8;
                    SetConsoleCursorPosition(console, coord);
                    cout <<'*';
                    i++;
               }
          }
     }
     coord.X = 0;
     coord.Y = 0;
     SetConsoleCursorPosition(console, coord);
     return password;
}

// MSDN - alternative to system("CLS");
void cls(HANDLE hConsole)
{
   COORD coordScreen = {0, 0};    // home for the cursor
   DWORD cCharsWritten;
   CONSOLE_SCREEN_BUFFER_INFO csbi;
   DWORD dwConSize;

   // Get the number of character cells in the current buffer.
   if( !GetConsoleScreenBufferInfo(hConsole, &csbi))
   {
      return;
   }
   dwConSize = csbi.dwSize.X * csbi.dwSize.Y;

   // Fill the entire screen with blanks.
   if( !FillConsoleOutputCharacter(hConsole,        // Handle to console screen buffer
                                   (TCHAR) ' ',     // Character to write to the buffer
                                   dwConSize,       // Number of cells to write
                                   coordScreen,     // Coordinates of first cell
                                   &cCharsWritten ))// Receive number of characters written
   {
      return;
   }

   // Get the current text attribute.
   if( !GetConsoleScreenBufferInfo(hConsole, &csbi))
   {
      return;
   }

   // Set the buffer's attributes accordingly.
   if( !FillConsoleOutputAttribute(hConsole,         // Handle to console screen buffer
                                   csbi.wAttributes, // Character attributes to use
                                   dwConSize,        // Number of cells to set attribute
                                   coordScreen,      // Coordinates of first cell
                                   &cCharsWritten )) // Receive number of characters written
   {
      return;
   }

   // Put the cursor at its home coordinates.
   SetConsoleCursorPosition(hConsole, coordScreen);
}

int main()
{
     double balance = 10000.00;
     char ch;
     int select;

    password();

     do
     {
          select = selectMenu();
          switch (select)
          {
               case 1://add code here for DepositMoney
                    balance = depositMoney(balance);

                    break;
               case 2: //add code here for widrawMoney
                    balance = widrawMoney(balance);

                    break;
               case 3://add code here for balanceInquiry;
                    balance = balanceInquiry(balance);

                    break;
               case 4://add code here forquitProgram();
                    quitProgram();
                    ch = 'N';
                    break;
          }
          if (ch != 'N')
          {
               ch = tryAgain();
          }
     }
     while (ch=='Y' || ch == 'y');

     return 0;
}

int password()
{
    const char *correct_password="1234";

    //main double boarder
    char ch201 = 201; char ch199 = 198; char ch196 = 196; char ch182 = 182;
    char ch205 = 205; char ch186 = 186; char ch187 = 187; char ch204 = 204;
    char ch185 = 185; char ch200 = 200; char ch188 = 188; char prev = ' ';

    //internal PIN border
    char ch218 = 218; char ch191 = 191;
    char ch179 = 179;
    char ch192 = 192; char ch217 = 217;

    //Password screen
     cls(console);
     cout << ch201; cout.fill (205); cout.width (31); cout << ch187 << endl;
     cout << ch186 << " Welcome to ABC Banking Group " << ch186 << endl;
     cout << ch204; cout.fill (205); cout.width (31); cout << ch185 << endl;
     cout.fill (prev);
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout << "      Please enter your       " << ch186 << endl;
     cout << ch186; cout << "         4 digit PIN          " << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout << "          " << ch218 << ch196 << ch196 << ch196 << ch196 << ch196 << ch196 << ch196 << ch191 << "           " << ch186 << endl;
     cout << ch186; cout << "          " << ch179 << "       " << ch179 <<"           "  << ch186 << endl;
     cout << ch186; cout << "          " << ch192 << ch196 << ch196 << ch196 << ch196 << ch196 << ch196 << ch196 << ch217 << "           " << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch200; cout.fill (205); cout.width (31); cout << ch188 << endl;

     string password = getpass("",true); // Show asterisks
     if(password == correct_password)
    //Todo - 1: error message if password is wrong and limmit number of attemps to 3.
    //       2: After 3 attemps lock the user out and advise the to contact the bank.

     return 0;
}

int selectMenu ()
{
     int choice = 0;
     char ch201 = 201; char ch199 = 198; char ch196 = 196; char ch182 = 182;
     char ch205 = 205; char ch186 = 186; char ch187 = 187; char ch204 = 204;
     char ch185 = 185; char ch200 = 200; char ch188 = 188; char prev = ' ';
     //Select screen
     cls(console);
     cout << ch201; cout.fill (205); cout.width (31); cout << ch187 << endl;
     cout << ch186 << " Welcome to ABC Banking Group " << ch186 << endl;
     cout << ch204; cout.fill (205); cout.width (31); cout << ch185 << endl;
     cout.fill (prev);
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout << "          Main Menu           " << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch204; cout.fill (196); cout.width (31); cout << ch185 << endl;
     cout << ch186; cout << "      1 - Depsit Money        " << ch186 << endl;
     cout << ch204; cout.fill (196); cout.width (31); cout << ch185 << endl;
     cout << ch186; cout << "      2 - Withdraw Money      " << ch186 << endl;
     cout << ch204; cout.fill (196); cout.width (31); cout << ch185 << endl;
     cout << ch186; cout << "      3 - Balance Inquiry     " << ch186 << endl;
     cout << ch204; cout.fill (196); cout.width (31); cout << ch185 << endl;
     cout << ch186; cout << "      4 - Quit and Exit?      " << ch186 << endl;
     cout << ch200; cout.fill (205); cout.width (31); cout << ch188 << endl;
     cin >> choice;

     do
     {
          if((!(choice >= 1)) || (!(choice <= 4)))
          {
               cout << " INVALID Choice! Please choose options 1 - 4 " << endl;
               cin >> choice;
          }
     }
     while((!(choice >= 1)) || (!(choice <= 4)));

     return choice;
}

double depositMoney(double mon)
{
     double amount = 0;

     cout << "Enter amount to deposit: " << ch156 ;
     cin >> amount;
     if(amount < 500)
     {
          do
          {
               cout << " INCORRECT Amount! Please depsit over " << ch156 << "500.00" << endl;
               cout << " Enter amount to deposit: " << ch156 ;
               cin >> amount;
          }
          while( amount < 500);
     }
     else
     {
          cout << " Transaction Sucsessful - Thank You!" << endl<< endl;
          mon += amount;
     }

     return mon;
}

double widrawMoney(double WMoney)
{
     double amount = 0;
     bool draw;
     draw = true;

     if (WMoney >= 5000)
     {
          cout << "You can draw an amount between " << ch156 << " 100.00 - "
               << ch156 << "5000.00" << endl;
               draw = true;
     }
     if ((WMoney > 100) && (WMoney < 5000))
     {
          cout << "You can draw an amount between " << ch156 << " 100.00 - "
               << ch156 << WMoney << endl;
               draw = true;
     }
     if(WMoney < 100)
     {
          cout << "INSUFFICIONT FUNDS!" << endl;
          draw = false;
     }
     if (draw = true)
     {
          cout << "Enter the amount you wish to withdraw " << ch156 ;
          cin >> amount;
          if(amount > WMoney)
          {
               do
               {
                    cout << " INCORRECT Amount! You can draw an amount between ";
                    if(WMoney >= 5000)
                    {
                         cout << ch156 << " 100.00 - " << ch156 << "5000" << endl;
                    }
                    else if(WMoney < 5000)
                    {
                         cout << ch156 << " 100.00 - " << ch156 << WMoney << endl;
                    }
                    cout << " Enter amount to withdraw : " << ch156 ;
                    cin >> amount;
               }
               while( amount > WMoney);
          }
          WMoney -= amount;
     }
     double total;
     int thous, fiveH, twoH, oneH;
     total = amount;
     cout << "\nAmount Breakdown :" << endl;
     if (amount >= 1000)
     {
          thous = int(amount) / 1000;
          cout << "Number of " << ch156 << "1000  : " << thous << endl;
          amount -= (thous * 1000);
     }
     if (amount >= 500)
     {
          fiveH = int(amount) / 500;
          cout << "Number of " << ch156 << "500   : " << fiveH << endl;
          amount -= (fiveH * 500);
     }
     if (amount >= 200)
     {
          twoH = int(amount) / 200;
          cout << "Number of " << ch156 << "200   : " << twoH << endl;
          amount -= (twoH * 200);
     }
     if (amount >= 100)
     {
          oneH = int(amount) / 100;
          cout << "Number of " << ch156 << "100   : " << oneH << endl;
          amount -= (oneH * 100);
     }
     cout << "\nTotal amount withdrawn " << ch156 << total << endl << endl;

     return WMoney;
}

double balanceInquiry(double bal)
{
     cout << "Your current balance is " << ch156 << bal << endl << endl;

     return bal;
}

char tryAgain()
{
     char ch;

     cout << "Would you like another transaction? [Y/N] : ";
     cin >> ch;
     ch = (toupper(ch));

     if (ch != 'Y' && ch != 'N')
     {
          do
          {
               cout << "Invalid Selection! Please choose Y/N : ";
               cin >> ch;
               ch = (toupper(ch));
          }
          while (ch != 'Y' && ch != 'N') ;
     }
     if(ch == 'N')
          quitProgram();
     return ch;
}

void quitProgram()
{
    //main double boarder
     char ch201 = 201; char ch199 = 198; char ch196 = 196; char ch182 = 182;
     char ch205 = 205; char ch186 = 186; char ch187 = 187; char ch204 = 204;
     char ch185 = 185; char ch200 = 200; char ch188 = 188; char prev = ' ';
     char ch;
    //Exit screen
     cls(console);
     cout << ch201; cout.fill (205); cout.width (31); cout << ch187 << endl;
     cout << ch186 << " Welcome to ABC Banking Group " << ch186 << endl;
     cout << ch204; cout.fill (205); cout.width (31); cout << ch185 << endl;
     cout.fill (prev);
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout << "     Thank you for using      " << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout << "      ABC Banking Group       " << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch186; cout.width (31); cout << ch186 << endl;
     cout << ch200; cout.fill (205); cout.width (31); cout << ch188 << endl;

     // Delay the exit screen incase your compiler exits at the last return in main.
     // It also allows the user to acknowledge the exit screen.
     time_t start,end;
     double dif = 0.0;

     time (&start);
     do
     {
        time (&end);
        dif = difftime (end,start);
     }while(dif < 4);  // 3 second delay
}