/******************************************************************************************
ACTION 8-2 (ACT08_02.CPP)
THIS PROGRAM WILL PROCESS A BANKING ACCOUNT
******************************************************************************************/

//PREPROCESSOR DIRECTIVE
#include <iostream.h>							//FOR cin AND cout

//DEFINE GLOBAL INTEREST CONSTANT
const double INTEREST = 0.01;		//CURRENT MONTHLY INTEREST RATE

//FUNCTION PROTOTYPES
void readData(double &balance, double &deposits, double &withdrawals);
void addDeposits(double &balance, double deposits);
void subtractWithdrawals (double &balance, double withdrawals);
void addInterest(double &balance);
void generateReport(double balance, double deposits, double withdrawals);

//MAIN FUNCTION
int main()
{
   //DEFINE FUNCTION ARGUMENT VARIABLES
  double balance = 0.0;					//ACCOUNT BALANCE
  double deposits = 0.0;				//MONTHLY DEPOSITS
  double withdrawals = 0.0;		//MONTHLY WITHDRAWALS
  
   //DISPLAY PROGRAM DESCRIPTION MESSAGE
   cout << "This program will generate a banking account report based"
        << "on information entered by the user" << endl << endl;

  //CALL FUNCTIONS 
  readData(balance,deposits,withdrawals);
  addDeposits(balance,deposits);
  subtractWithdrawals(balance,withdrawals);
  addInterest(balance);
  generateReport(balance,deposits,withdrawals);

  //RETURN 
  return 0;
} //END main()

//THIS FUNCTION GETS THE MONTHLY ACCOUNT 
//INFORMATION FROM THE USER
void readData (double &balance, double &deposits, double &withdrawals)
{
   cout << "Enter the account balance:  $";
   cin  >> balance;
   cout << "Enter the deposits this month:  $";
   cin >> deposits;
   cout << "Enter the withdrawals this month:  $";
   cin >> withdrawals;
} //END readData()

//THIS FUNCTION ADDS THE MONTHLY DEPOSITS
//TO THE ACCOUNT BALANCE
void addDeposits(double &balance, double deposits)
{
  balance = balance + deposits;
} //END addDeposits()

//THIS FUNCTION SUBTRACTS THE MONTHLY WITHDRAWALS
//FROM THE ACCOUNT BALANCE
void subtractWithdrawals (double &balance, double withdrawals)
{
  balance = balance - withdrawals;
} //END subtractWithdrawals()

//THIS FUNCTION ADDS MONTHLY INTEREST
//TO THE ACCOUNT BALANCE
void addInterest(double &balance)
{
  balance = balance + (balance * INTEREST);
} //END addInterest()

//THIS FUNCTION DISPLAYS THE MONTHLY ACCOUNT REPORT
void generateReport(double balance, double deposits, double withdrawals)
{

	//FORMAT OUTPUT IN DOLLARS AND CENTS
	cout.setf(ios::fixed);
	cout.setf(ios::showpoint);
	cout.precision(2);

	 //DISPLAY ACCOUNT REPORT
	cout << "The account balance is currently:  $" << balance << endl;
	cout << "Deposits were  $" << deposits << endl;
  cout << "Withdrawals were  $" << withdrawals << endl;
} //END generateReport()