#include <iostream.h>
#include <stdlib.h>
#include <string>
#include <fstream>

class openAccount
{
      protected:
              string AcNo;
              string pass;
              int oBalance;
      public:
              openAccount()
              {
                  cout<<"Enter Account No. ";
                  cin>>AcNo;
                  cout<<"Enter Pasword";
                  cin>>pass;
                  cout<<"Enter Op Balance";
                  cin>>oBalance;
                  ofstream ab("Data.txt",ios::app);
                  if(!ab)
                  cout<<"Error!\n\n Your Account Cannot be Opened at this Time\n";
                  ab<<AcNo<<'\t'<<pass<<'\t'<<oBalance<<endl;
                  cout<<"Your Account Has Been Created Successfully\n";
              }
              ~openAccount(){}
};

class Account
{
      public:
             string ID;
             string pass;
             int Balance;
};



void transaction()
{
      int d;
      string a,b,c;
      Account au;

      cout<<"Enter Account No. ";
      cin>>a;
      cout<<"Enter Pasword";
      cin>>c;
      cout<<"Enter Transaction Type";
      cin>>b;
      cout<<"Enter Amount";
      cin>>d;

      cout<<"\n\nProcessing . . . . ";

      ifstream readFile("Data.txt",ios::in|ios::out);

      if(!readFile)
          cout<<"Your Transaction not process at this time\n";

      while((readFile>>au.ID>>au.pass>>au.Balance)!=NULL)

       {
            if(a==au.ID&&c==au.pass)
              {
                        cout<<"Your Account Balance Is = "<<au.Balance<<endl;
                        break;
              }

       };

       if(readFile==NULL)
                         cout<<"\n\nPassword is Wrong or Account Does not Exist";

}

int main()
{

          int AcNo;
          cout<<"================================"<<endl;
          cout<<"= WELCOME TO VIRTUAL BANK LTD. = "<<endl;
          cout<<"================================"<<endl;
          cout<<"=                              ="<<endl;
          cout<<"=                              ="<<endl;
          cout<<"= 1.  Open a New Account       ="<<endl;
          cout<<"= 2.  Open an Existing Account ="<<endl;
          cout<<"=                              ="<<endl;
          cout<<"=                              ="<<endl;
          cout<<"================================"<<endl;
          cin>>AcNo;
          if(AcNo==1)
                     openAccount();
          if(AcNo==2)
                     transaction();



      system("PAUSE");
      return 0;
}