#include<fstream.h>
#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<iostream>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#include <dos.h>
//#include<string>
using namespace std;
//using std::string;

void deposit(void);
void addrecord();
void delrecord();
void modrecord();
void disprecord();
void dispall();
void withdraw();
float w,z;


class account
{
      int accountno,cls;
      //string name;
      char name[30];
      char type;
      double deposit,withdraw;
      
      public:
      account()
      {
          deposit=withdraw=0;
      }
      
      int giveaccountno()
      {
          return accountno;
      }
      
      void getdata(int mrno)
      {
           accountno=mrno+1;
           cout<<"ACCOUNT NUMBER : ";
           cout<<accountno<<" "<<endl;
           cout<<"ENTER YOUR NAME : ";
           cin>>name;
           cout<<" ";
           cout<<"ENTER TYPE OF ACCOUNT SAVING(s)/CURRENT© : ";
           cin>>type;
           cout<<" ";
           cout<<"ENTER INITIAL AMOUNT :RM ";
           cin>>deposit;
           cout<<" ";
      }
      
      void withdrawal(int m)
      {
           cout<<"AMOUNT BEFORE WITHDRAWING::Rs "<<deposit<<"";
           deposit=deposit-m;
           cout<<"AMOUNT AFTER WITHDRAWING::Rs "<<deposit;
      }
      
      void deposital(int m)
      {
           cout<<"AMOUNT BEFORE DEPOSIT::Rs "<<deposit<<"";
           deposit=deposit+m;
           cout<<"AMOUNT AFTER DEPOSIT ::Rs "<<deposit;
      }
      
      void dispdata()
      {
           int scrnt=0;
          
           if(scrnt==1)
           {
                //clrscr();
                cout<<"DISPLAY ALL MENU ";
                scrnt=0;
           }
          
           cout<<"ACCOUNT NUMBER ::";
           cout<<accountno;
           cout<<"NAME OF DEPOSITER ::";
           cout<<name;
           cout<<"TYPE OF ACCOUNT SAVING(s)/CURRENT© :: ";
           cout<<type;
           cout<<"BALANCE ::Rs ";
           cout<<deposit;
           scrnt++;
      }
};

int main()
{
    int menuch;
    
    do
    {
        //clrscr();
        //textcolor(14);
        //textbackground(1);
        cout<<"**********MAIN MENU**********"<<endl;
        cout<<"1.NEW ACCOUNT"<<endl;
        cout<<"2.CLOSE AN ACCOUNT"<<endl;
        cout<<"3.MODIFY AN ACCOUNT"<<endl;
        cout<<"4.DISPLAY AN ACCOUNT"<<endl;
        cout<<"5.DISPLAY ALL RECORDS"<<endl;
        cout<<"6.WITHDRAW AMOUNT"<<endl;
        cout<<"7.DEPOSIT AMOUNT"<<endl;
        cout<<"8.EXIT"<<endl<<endl;
        cout<<"ENTER YOUR CHOICE: ";
        cin>>menuch;

        switch(menuch)
        {
            case 1:addrecord();
            break;
            case 2:delrecord();
            break;
            case 3:modrecord();
            break;
            case 4:disprecord();
            break;
            case 5:dispall();
            break;
            case 6:withdraw();
            break;
            case 7:deposit();
            break;
        }
     }while(menuch!=8);
}

void addrecord()
{
     account obj_1,obj_2;
     fstream fout;
     fout.open("banking.txt",ios::in|ios::binary);

    
     if(!fout)
     {
         cout<<"FILE OPEN ERROR ";
         getch();
         return;
     }
    
     int recsize=sizeof(account);
     fout.seekg(0,ios::end);
     fout.seekg(-1*recsize,ios::cur);
     fout.read((char*)&obj_1,recsize);
     int mrno=obj_1.giveaccountno();
     fout.close();
    
     //clrscr ();
     cout<<"CREATING NEW ACCOUNT"<<endl;
     obj_2.getdata(mrno);
     fout.open("banking.txt");
    
     if(!fout)
     {
           cout<<"FILE OPEN ERROR ";
           getch();
           return;
     }
    
     fout.write((char*)&obj_2,recsize);
     cout<<"RECORD ADDED TO DATABASE"<<"Press any key to continue... ";
     getch();
     fout.close();
}


void dispall()
{
     account obj_3;
     fstream fout;
     int recsize=sizeof(account);
     int countrec=0;
     //clrscr();
     cout<<"DISPLAY ALL MENU";
     fout.open("banking.txt",ios::in);
    
     if(!fout)
     {
           cout<<"FILE OPEN ERROR ";
           getch();
           return;
     }
    
     while(fout.read((char*)&obj_3,recsize))
     {
           obj_3.dispdata();
           countrec++;
           cout<<"PRESS ANY KEY FOR NEXT....";
           getch();
     }
     //clrscr();
     cout<<"END OF FILE.TOTALNUMBER OF RECORDS..."<<countrec;
     cout<<"Press any key......";
     getch();
     fout.close();
}

void disprecord()
{
     account obj_4;
     fstream fout;
     int mrno,flag=0;
     int recsize=sizeof(account);
     //clrscr();
     cout<<"DISPLAY A RECORD MENU ";
     fout.open("banking.txt",ios::in);
    
     if(!fout)
     {
           cout<<"FILE OPEN ERROR ";
           getch();
           return;
     }
    
     cout<<"ENTER THE ACCOUNT NUMBER ";
     cin>>mrno;
    
     while(fout.read((char*)&obj_4,recsize))
     {
            if (obj_4.giveaccountno()==mrno)
            {
                 obj_4.dispdata();
                 cout<<"Press any key.....";
                 flag=1;break;
            }
     }
    
     if(flag==0)
     {
             cout<<"NO SUCH ACCOUNT EXIST ";
             cout<<"Press any key......";
     }
    
     getch();
     fout.close();
}

void delrecord()
{
     account obj_5;
     fstream fout,temp;
     int mrno,flag;
     int recsize=sizeof(account);
     //clrscr();
     cout<<"CLOSE ACCOUNT MENU ";
     fout.open("banking.txt",ios::in);
    
     if(!fout)
     {
              cout<<"FILE OPEN ERROR ";
              getch();
              return;
     }
    
     temp.open("temp.txt",ios::app);
    
     if(!temp)
     {
              cout<<"FILE OPEN ERROR ";
              getch();
              return;
     }
    
     cout<<"ENTER THE ACCOUNT NUMBER ";
     cin>>mrno;

     while(fout.read((char*)&obj_5,recsize))
     {
            if(obj_5.giveaccountno()==mrno)
            {
                  obj_5.dispdata();
                  char confirm;
                  cout<<"ARE YOU SURE TO DELETE IT(Y/N)..";
                  cin>>confirm;
                  
                  if(confirm=='Y'||confirm=='y')
                  {
                       fout.read((char*)&obj_5,recsize);
                       cout<<"RECORD DELETED FORM DATABASE";
                       cout<<"press any key....";
                       flag=1;
                       if(!fout)
                       break;
                  }
                  
                  flag=1;
            }
            
            temp.write((char*)&obj_5,recsize);}
            fout.close();
            temp.close();
            remove("banking.txt");
            rename("temp.txt","banking.txt");
            
            if(flag==0)
            {
                    cout<<"NO SUCH ACCOUNT EXIST";
                    cout<<"Press any key.....";
            }
            getch();
}

void modrecord()
{
     account obj_6;
     fstream fout;
     int mrno,flag=0;
     int recsize=sizeof(account);
     //clrscr();
     cout<<"MODIFY RECORD MENU";
     fout.open("banking.txt");
    
     if(!fout)
     {
              cout<<"FILE OPEN ERROR ";
              getch();
              return;
     }
     fout.seekg(ios::beg);
     cout<<"ENTER RECORD NUMBER ";
     cin>>mrno;
    
     while(fout.read((char*)&obj_6,recsize))
     {
           if(obj_6.giveaccountno()==mrno)
           {
                //clrscr();
                cout<<"MODIFY MENU ";
                obj_6.dispdata();
                int tmprno=obj_6.giveaccountno()-1;
                account obj_7;
                cout<<"ENTER NEW DATA";
                obj_7.getdata(tmprno);
                char confirm;
                cout<<"ARE YOU SURE(Y/N)";
                cin>>confirm;
                
                if(confirm=='Y'||confirm=='y')
                {
                       fout.seekg(-1*recsize,ios::cur);
                       fout.write((char*)&obj_7,recsize);
                       cout<<"RECORD MODIFIED";
                       cout<<"Press any key.....";
                       flag=1;
                }
           }
          
           if(flag==0)
           {
                 cout<<"NO SUCH RECORD EXIST";
                 cout<<"Press any key.....";
           }
     }
     fout.close();
     getch();
}

void withdraw()
{
     account obj_9;
     fstream fout;
     int mrno=0;
     int recsize=sizeof(account);
     //clrscr();
     cout<<"WITHDRAWAL MENU";
     fout.open("banking.txt",ios::in|ios::out);
    
     if(!fout)
     {
          cout<<"FILE OPEN ERROR ";
          getch();
          return;
     }
    
     fout.seekg(ios::beg);
     cout<<"ENTER ACCOUNT NUMBER ";
     cin>>mrno;
    
     while(fout.read((char*)&obj_9,recsize))
     {
          if(obj_9.giveaccountno()==mrno)
          {
               //clrscr();
               cout<<"ENTER THE AMOUNT TO BE WITHDRAWED::Rs ";
               cin>>w;
               obj_9.withdrawal(w);
               fout.seekg(-1*recsize,ios::cur);
               fout.write((char*)&obj_9,recsize);
          }
     }
     fout.close();
     getch();
}

void deposit(void)
{
     account obj_10;
     fstream fout;
     int mrno=0;
     int recsize=sizeof(account);
     //clrscr();
     cout<<"DEPOSITAL MENU";
     fout.open("banking.txt",ios::in|ios::out);
    
     if(!fout)
     {
           cout<<"FILE OPEN ERROR ";
           getch();
           return;
     }
    
     fout.seekg(ios::beg);
     cout<<"ENTER ACCOUNT NUMBER ";
     cin>>mrno;
     while(fout.read((char*)&obj_10,recsize))
     {
          if(obj_10.giveaccountno()==mrno)
          {
                //clrscr();
                cout<<"ENTER THE AMOUNT TO BE DEPOSITED::Rs ";
                cin>>w;
                obj_10.deposital(w);
                fout.seekg(-1*recsize,ios::cur);
                fout.write((char*)&obj_10,recsize);
          }
     }
    
     fout.close();
getch();
}