#include<fstream.h>
#include<conio.h>
#include<stdio.h>
#include<process.h>
#include<ctype.h>
#include<dos.h>

//****************************************************************
// CLASS USED IN PROJECT
//****************************************************************

class account
{
    int acno, deposit, withdraw, x;
    char name[50];
    char type;
    public:
    void create_account()
    {
        gotoxy(12,5);cout<<"====NEW ACCOUNT ENTRY FORM====\n";
        gotoxy(12,7);cout<<"Enter The account Number : ";
        cin>>acno;
        gotoxy(12,9);cout<<"Enter The Name of The account Holder: ";
        gets(name);
        gotoxy(12,11);cout<<"Enter Type of The account (C/S) : ";
        cin>>type;
        type=toupper(type);
        gotoxy(12,13);
        cout<<"Enter Initial amount>=500 for Saving & >=1000 for Current :";
        cin>>deposit;
        gotoxy(12,15);cout<<"Your Account Created Successfully ..";
    }
    void show_account()
    {
        gotoxy(12,4);cout<<"-------ACCOUNT STATUS-------\n";
        gotoxy(12,6);cout<<"Account No.                 : "<<acno;
        gotoxy(12,8);cout<<"Account Holder Name         : "<<name;
        gotoxy(12,10);cout<<"Type of Account             : "<<type;
        gotoxy(12,12);cout<<"Balance amount              : "<<deposit;
    }
    void modify_account()
    {
        gotoxy(12,16);cout<<"Account No.                : "<<acno;
        gotoxy(12,18);cout<<"Modify Account Holder Name : ";
        gets(name);
        gotoxy(12,20);cout<<"Modify Type of Account     : ";cin>>type;
        gotoxy(12,22);cout<<"Modify Balance amount      : ";cin>>deposit;
    }
    void dep(int x)
    {
        deposit+=x;
    }
    void draw(int x)
    {
        deposit-=x;
    }
    void report()
    {
        gotoxy(8,13);cout<<acno<<"\t\t"<<name<<"\t\t"<<type<<"\t\t"             <<deposit<<endl;
    }
    int retacno()
    {
        return acno;
    }
    float retdeposit()
    {   return deposit;
    }
    char rettype()
    {
        return type;
    }
};      //class ends here

//***************************************************************
//  global declaration for stream object, object
//****************************************************************
fstream fp;
account ac;

//***************************************************************
//  function for introduction
//****************************************************************
void welcome()
{   clrscr();
    int x;
    /*for(x=2;x<80;x++)
    {
        gotoxy(x,1);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(1,x);
        cout<<"#";
        delay(5);
    }
    for(x=2;x<80;x++)
    {
        gotoxy(x,25);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(80,x);
        cout<<"#";
        delay(5);
    }
    delay(500);*/
    gotoxy(30,12);
    cout<<"LOADING....";
    int u=0;
    for(int i=1;i<=10;i++)
    {
        gotoxy(30+u,13);
        delay(500);
        cout<<"圹";
        u=u+2;
        gotoxy(52,13);
        cout<<i<<"0%";
    }
    gotoxy(35,14);
    cout<<"COMPLETE ";
    delay(200);
    cout<<"!";
    delay(200);
    cout<<"!";
    delay(300);
    gotoxy(50,22);
    cout<<"Press Any Key To Continue";
    gotoxy(0,0);
    getch();
    clrscr();
    for(x=2;x<80;x++)
    {
        gotoxy(x,1);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(1,x);
        cout<<"#";
        delay(5);
    }
    for(x=2;x<80;x++)
    {
        gotoxy(x,25);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(80,x);
        cout<<"#";
        delay(5);
    }
    delay(500);
    gotoxy(12,5);
    cout<<"******************** W E L C O M E*********************";
    gotoxy(19,9);
    cout<<"B A N K  M A N A G E M E N T  S Y S T E M";
    gotoxy(19,13);
    cout<<" D E V E L O P E D  B Y : ";
    gotoxy(44,13);
    cout<<" VIKAS DEV TARA ";
    gotoxy(42,23);
    cout<<" *** PRESS ANY KEY TO CONTINUE ***";
    getch();
}

//****************************************************************
//  function to write in file
//****************************************************************
void write_account()
{   clrscr();
    int x;
    for(x=2;x<80;x++)
    {
        gotoxy(x,1);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(1,x);
        cout<<"#";
        delay(5);
    }
    for(x=2;x<80;x++)
    {
        gotoxy(x,25);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(80,x);
        cout<<"#";
        delay(5);
    }
    fp.open("account.dat",ios::out|ios::app);
    ac.create_account();
    fp.write((char*)&ac,sizeof(account));
    fp.close();
}

//****************************************************************
//  function to read specific record from file
//****************************************************************
void display_sp()
{
    clrscr();
    int x;
    for(x=2;x<80;x++)
    {
        gotoxy(x,1);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(1,x);
        cout<<"#";
        delay(5);
    }
    for(x=2;x<80;x++)
    {
        gotoxy(x,25);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(80,x);
        cout<<"#";
        delay(5);
    }
    int n;
    gotoxy(12,4);cout<<"====BALANCE DETAILS====\n";
    gotoxy(12,6);cout<<"Enter the Account Number : ";
    cin>>n;
    int flag=0;
    fp.open("account.dat",ios::in);
    while(fp.read((char*)&ac,sizeof(account)))
    {
        if(ac.retacno()==n)
        {
            ac.show_account();
            flag=1;
        }
    }
    fp.close();
    if(flag==0)
    {
        gotoxy(12,10);
        cout<<"Account Number does not exist\n";
    }
    getch();
}

//***************************************************************
//  function to modify record of file
//****************************************************************

void modify_account()
{
    clrscr();
    int x;
    for(x=2;x<80;x++)
    {
        gotoxy(x,1);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(1,x);
        cout<<"#";
        delay(5);
    }
    for(x=2;x<80;x++)
    {
        gotoxy(x,25);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(80,x);
        cout<<"#";
        delay(5);
    }
    int no,found=0;
    gotoxy(12,5);cout<<"====MODIFY RECORD====\n";
    gotoxy(12,7);cout<<"Enter the Account No. : ";
    cin>>no;
    fp.open("account.dat",ios::in|ios::out);
    while(fp.read((char*)&ac,sizeof(account)) && found==0)
    {
        if(ac.retacno()==no)
        {
            clrscr();
            for(x=2;x<80;x++)
        {
            gotoxy(x,1);
            if(x%2==0)
                cout<<"#";
            else    cout<<" ";
            delay(5);
        }
        for(x=2;x<25;x++)
        {
            gotoxy(1,x);
            cout<<"#";
            delay(5);
        }
        for(x=2;x<80;x++)
        {
            gotoxy(x,25);
            if(x%2==0)
                cout<<"#";
            else    cout<<" ";
            delay(5);
        }
        for(x=2;x<25;x++)
        {
            gotoxy(80,x);
            cout<<"#";
            delay(5);
        }
            ac.show_account();
            gotoxy(12,14);cout<<"----Enter the New Details----\n";
            ac.modify_account();
            int pos=-1*sizeof(ac);
            fp.seekp(pos,ios::cur);
            fp.write((char*)&ac,sizeof(account));
            gotoxy(12,24);cout<<"\t Record Updated\n";
            found=1;
        }
    }
    fp.close();
    if(found==0)
    {
        gotoxy(12,10);
        cout<<" Record Not Found \n";
    }
    getch();
}
//***************************************************************
//  function to delete record of file
//****************************************************************

void delete_account()
{       clrscr();
    int no, x;
    for(x=2;x<80;x++)
    {
        gotoxy(x,1);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(1,x);
        cout<<"#";
        delay(5);
    }
    for(x=2;x<80;x++)
    {
        gotoxy(x,25);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(80,x);
        cout<<"#";
        delay(5);
    }
    gotoxy(12,5);cout<<"\t===Delete Record====\n";
    gotoxy(12,7);cout<<"\tEnter The Account No. : ";
    cin>>no;
    fp.open("account.dat",ios::in|ios::out);
    fstream fp2;
    fp2.open("Temp.dat",ios::out);
    fp.seekg(0,ios::beg);
    while(fp.read((char*)&ac,sizeof(account)))
    {
        if(ac.retacno()!=no)
        {
            fp2.write((char*)&ac,sizeof(account));
        }
    }
    fp2.close();
    fp.close();
    remove("account.dat");
    rename("Temp.dat","account.dat");
    gotoxy(12,9);cout<<"\tRecord Deleted ..\n";
    getch();
}

//***************************************************************
//  function to display all accounts deposit list
//****************************************************************
void display_all()
{   clrscr();
    int x;
    for(x=2;x<80;x++)
    {
        gotoxy(x,1);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(1,x);
        cout<<"#";
        delay(5);
    }
    for(x=2;x<80;x++)
    {
        gotoxy(x,25);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(80,x);
        cout<<"#";
        delay(5);
    }
    fp.open("account.dat",ios::in);
    if(!fp)
    {
        gotoxy(12,5);cout<<" ERROR!!! FILE COULD NOT BE OPEN \n";
        getch();
        return;
    }
    gotoxy(15,5);cout<<"\tACCOUNT HOLDER LIST\n";
    gotoxy(8,7);cout<<"=============================================================\n";
    gotoxy(8,9);cout<<"A/c no.\t\tNAME\t\tType\t\tBalance\n";
    gotoxy(8,11);cout<<"=============================================================\n";
    while(fp.read((char *)&ac,sizeof(account)))
    {
        ac.report();
    }
    fp.close();
    getch();
}

//***************************************************************
//  function to deposit and withdraw amounts
//****************************************************************
void deposit_withdraw(int option)
{   clrscr();
    int x;
    for(x=2;x<80;x++)
    {
        gotoxy(x,1);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(1,x);
        cout<<"#";
        delay(5);
    }
    for(x=2;x<80;x++)
    {
        gotoxy(x,25);
        if(x%2==0)
            cout<<"#";
        else    cout<<" ";
        delay(5);
    }
    for(x=2;x<25;x++)
    {
        gotoxy(80,x);
        cout<<"#";
        delay(5);
    }
    int no,found=0,amt;

    gotoxy(12,4);cout<<"====ACCOUNT TRANSCATION FORM====\n";
    gotoxy(12,6);cout<<"Enter The account No. : ";
    cin>>no;
    fp.open("account.dat",ios::in|ios::out);
    while(fp.read((char*)&ac,sizeof(account)) && found==0)
    {
        if(ac.retacno()==no)
        {
            ac.show_account();
            if(option==1)
            {
                gotoxy(12,20);
                cout<<"Enter The amount to DEPOSIT : ";
                cin>>amt;
                ac.dep(amt);
            }
            if(option==2)
            {
                gotoxy(12,20);
                cout<<"Enter The amount to WITHDRAW : ";
                cin>>amt;
                int bal=ac.retdeposit()-amt;
                if((bal<500 &&ac.rettype()=='S')||(bal<1000&&ac.rettype()=='C'))
                    cout<<"\nInsufficient balance";
                else
                    ac.draw(amt);
            }
            int pos=-1*sizeof(ac);
            fp.seekp(pos,ios::cur);
            fp.write((char*)&ac,sizeof(account));
            gotoxy(12,22);cout<<"\t Record Updated \n";
            found=1;
        }
    }
    fp.close();
    if(found==0)
    {
        gotoxy(12,10);
        cout<<" Record Not Found \n";
    }
    getch();
}

//***************************************************************
//  THE MAIN FUNCTION OF PROGRAM
//****************************************************************
void main()
{   char ch;
    textcolor(YELLOW);
    textbackground(BLUE);
    welcome();
    do
    {
        clrscr();
        int x;
        for(x=2;x<80;x++)
        {
            gotoxy(x,1);
            if(x%2==0)
                cout<<"#";
            else    cout<<" ";
            delay(5);
        }
        for(x=2;x<25;x++)
        {
            gotoxy(1,x);
            cout<<"#";
            delay(5);
        }
        for(x=2;x<80;x++)
        {
            gotoxy(x,25);
            if(x%2==0)
                cout<<"#";
            else    cout<<" ";
            delay(5);
        }
        for(x=2;x<25;x++)
        {
            gotoxy(80,x);
            cout<<"#";
            delay(5);
        }
        gotoxy(12,5);cout<<"MAIN MENU\n";
        gotoxy(12,7);cout<<"01. NEW ACCOUNT\n";
        gotoxy(12,9);cout<<"02. DEPOSIT AMOUNT\n";
        gotoxy(12,11);cout<<"03. WITHDRAW AMOUNT\n";
        gotoxy(12,13);cout<<"04. BALANCE ENQUIRY\n";
        gotoxy(12,15);cout<<"05. ALL ACCOUNT HOLDER LIST\n";
        gotoxy(12,17);cout<<"06. CLOSE AN ACCOUNT\n";
        gotoxy(12,19);cout<<"07. MODIFY AN ACCOUNT\n";
        gotoxy(12,21);cout<<"08. EXIT\n";
        gotoxy(12,23);cout<<"Select Your Option (1-8) : ";
        ch=getch();
        switch(ch)
        {
            case '1': write_account();
                  break;
            case '2': deposit_withdraw(1);
                  break;
            case '3': deposit_withdraw(2);
                  break;
            case '4': display_sp();
                  break;
            case '5': display_all();
                  break;
            case '6': delete_account();
                  break;
            case '7': modify_account();
                  break;
            case '8': exit(0);
        }
    }while(ch!='8');
}

//***************************************************************
//      END OF PROJECT
//***************************************************************