#include "Grocery.h"


//Grocery methods
    Grocery::Grocery() 
	{ 
             name = "undefined"; 
             markup = 1.0; 
             cost = 0; 
    }

    Grocery::Grocery( ifstream& fin ) throw(TokenError)
	{
             Extract( fin );
    }

    Grocery::Grocery( string Name, double Markup, int Cost )
	{
             name   = Name;
             markup = Markup;
             cost   = Cost;
    }

    string Grocery::getName() const 
	{ 
           return name; 
    }

	double Grocery::getMarkup() const
	{      //markup is always >= 0.0
		   //markup == 1.0 for no profit
           return markup; 
    }


    int    Grocery::getCost() const
	{      //cost is non-negative measured in cents
           return cost;   
    }
    
    int    Grocery::getPrice() const
	{ 
           return (int)(cost * markup + 0.5);
    }


    void   Grocery::Extract(ifstream& fin ) throw(TokenError)
	{
           string opentkn, closetkn;
           fin >> opentkn;
           if( opentkn != "Grocery{" )
			   throw TokenError("Invalid Open Token!", "Grocery::Extract(1)");
           Get( fin ); 
           fin >> closetkn;
           if( closetkn != "}Grocery" )
			   throw TokenError("Invalid Close Token!", "Grocery::Extract(2)");
    }

     void  Grocery::Insert( ostream& fout )
	 {
           fout << endl;
           fout << " Grocery{ ";
           Put( fout );
           fout << " }Grocery ";
     }

     void  Grocery::Get( ifstream& fin) throw(TokenError)
	 {
           string label;
           fin  >> label;
		   if( label != "name:" )
			   throw TokenError("Invalid field label, name: expected", "Grocery::Get(1)");
		   fin  >> name;
		   fin  >> label;
		   if( label != "markup:" )
			   throw TokenError("Invalid field label, markup: expected", "Grocery::Get(2)");
		   fin  >> markup;
		   fin  >> label;
		   if( label != "cost:" )
			   throw TokenError("Invalid field label, cost: expected", "Grocery::Get(3)");
		   fin  >> cost;

     }

     void  Grocery::Put ( ostream& fout)
	 {
           fout << " name: "   << name 
                << " markup: " << markup 
                << " cost: "   << cost;
     }

    //FRIENDS
	ifstream& operator>>(ifstream& fin, Grocery& obj) throw(TokenError)
	{
		obj.Extract(fin);
		return fin;
	}

	ostream& operator<<(ostream& fout, Grocery& obj)
	{
		obj.Insert(fout);
		return fout;
	}