#ifndef PRODUCT_CLASS
#define PRODUCT_CLASS

#include "tstring.h"
#include "textlib.h"

const int MARGIN = 100;   // gross margin in percent

class Product{
private:
	String serNumber; //the product identifying number
    String prodName;   // product name
	double sellingPrice;
	double costPrice;
	String purpose;

	void setSellingPrice(double costPrice);


public:

// constructor
	Product(String newSerNumber, double costPrice);

//access function prototypes
	String getSerNumber();
	String getProdName();
	double getSellingPrice();
	
	void writeProdInfo();

// set function prototypes
	void setProdName(String newProdName);
	void setCostPrice(double newPrice);
	void setPurpose(String newPurpose);

	

};

// ***********************************************************
//      Product class implementation
// ***********************************************************

// implementation of the Product constructor
Product::Product(String newSerNumber, double costPrice)
{
	sellingPrice = ( 1.0 + MARGIN/100.0 )*costPrice;
}

// implements access functions
String Product::getProdName()
{
	return prodName;
}
	
double Product::getSellingPrice()
{
	return sellingPrice;
}

void Product::writeProdInfo()
{
	cout << endl;
	cout << "The product named " << prodName << " has serial number " << serNumber << endl;
	cout << "The selling price is $" << setreal(4,2) << sellingPrice << endl;
}

// implements set functions
void Product::setCostPrice(double newPrice)
{
	costPrice = newPrice;
}

void Product::setProdName(String newProdName)
{
	prodName = newProdName;
}


#endif