// Program Name:   Format_8LbX23.exe
// Author:         Tyler Travis, Eruption Software
//                 www.travis-usa.com
// Date:           3/7/00


//This program formats the output of it's Customer Class data .

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

#define NAME_TOTAL 25

class Customers
{
      private:
        char name[NAME_TOTAL];
        int cust_num;
        long double cust_bal;
	    int zip_code;
      public:
        Customers();  //constructor
        void get_Cust_info(); //prototype to assign values
	    void show_cust_info();
        static char exit();
};

void main()
{
	 char answer, response;
     int Custs = 1, x = 0;

	 cout<<""<<endl;
	 cout<<" DPR226 Tutorial 8, Lesson A Exercise 4b"<<endl;
	 cout<<" By Tyler Travis"<<endl;

    do
    {   x = 0;

        cout<<endl<<endl <<" Do you want to add any customers?: ";
         cin>>response;
         cin.get();

     if(response == 'y')
     {        
        cout<<endl<<endl <<" How many Customers are there?: ";
         cin>>Custs;
         cin.get();

      if(Custs > 0)
      {
        Customers *ptr2Custclass = new Customers[Custs];
        Customers *CustTmp = ptr2Custclass;
        Customers *CustRead = ptr2Custclass;

        //show the Constructor member values using these column headers for the screen
	    cout<<" Customer:                Account Number:     CurrBalance:     Zip Code:"<<endl;
        ptr2Custclass->show_cust_info();
	    cout<<endl;

           //open the file
           ofstream Wthtfile("Dpr226File.tht",ios::app);
           for(x = 0; x < Custs; ++x)
		   { 
	           ptr2Custclass->get_Cust_info(); //keyboard input
	          //write keyboard entered data to the file
               Wthtfile.write((char*)(&ptr2Custclass[x]), sizeof(ptr2Custclass[x]));
               ptr2Custclass++;   
		   }


	cout<<endl;
        ptr2Custclass = CustRead;

      }//if how many
      else //how many
        cout<<" No Customers Entered"<<endl;


     }//if response




     else //response
     {
        Customers *ptr2Custclass = new Customers[Custs];
        Customers *CustTmp = ptr2Custclass;


           //Open the file
           ifstream Rthtfile("Dpr226File.tht");
           //show the file member values using these column headers for the screen
	       cout<<" Customer:                Account Number:     CurrBalance:     Zip Code:"<<endl;
 	       x = 0;

  	       while(!Rthtfile.eof())
           {
	       Rthtfile.read((char*)(&ptr2Custclass[x]), sizeof(ptr2Custclass[x]));	
		    int end = Rthtfile.eof();
		    if(end != 1)
	        ptr2Custclass->show_cust_info(); // shows the input info
		   }

           delete []CustTmp;

     }//else response

     answer = Customers::exit();

    }// do
    while (answer == 'y' || answer == 'Y');

}//main

Customers::Customers(void)    //constructor
{
    cout<<endl<<" Customers Class Constructor Values:"<<endl;
    strcpy(name,"Barney Fife");
    cust_num = 55;
    cust_bal = 55.00;
	zip_code = 19082;
}

void Customers::show_cust_info(void)  //prototype to input values from keyboard
{
  int bal_doll = 0, bal_dec = 0;

  if(cust_bal != 0)
  {
    cout<<" ";
    cout<<setw(25)<<setiosflags(ios::left);
    cout<<name;
    cout<<setw(20);
    cout<<cust_num;

	 if(cust_bal > 0.00)
	 {  bal_doll = cust_bal * 100;
        bal_dec = bal_doll % 100;
        bal_doll = bal_doll / 100;
        cout<<setw(1);
        cout<<"$";
        cout<<setw(8)<<resetiosflags(ios::left);
        cout<<bal_doll;
        cout<<".";
	         if(bal_dec == 0)
                cout<<bal_dec<<bal_dec;
             else
	             if(bal_dec < 10)
                    cout<<"0"<<bal_dec;
		         else
				 {  cout<<setw(2);
		            cout<<bal_dec;}
	 }
	 else
	 {  cout<<setw(8)<<resetiosflags(ios::left);
        cout<<setw(1);
        cout<<"$";
        cout<<setw(8);
        cout<<cust_bal;
        cout<<".";
	    cout<<cust_bal<<cust_bal;
	 }

    cout<<setw(10);
    cout<<zip_code<<endl;
  }
}

void Customers::get_Cust_info(void)  //prototype to input values from keyboard
{
     cout<<" Enter the Customer's Name  : ";
      cin.getline(name,NAME_TOTAL );
     cout<<" Enter their Account Number : ";
      cin>>cust_num;
     cout<<" Enter their Account Balance: ";
      cin>>cust_bal;
     cout<<" Enter their Postal Zip Code: ";
      cin>>zip_code;
      cin.get();

     cout<<endl;
}

char Customers::exit()
{
    char ans;
    cout<<""<<endl;
    cout<<" Again? (y/n): ";
     cin>>ans;
     cin.get();

    return(ans);
}