// CLASS DEFINITION FOR Part_Rec CLASS
#include <iostream.h>
#include <iomanip.h>
#include <string.h>

// Part_Rec abstract data type (ADT) definition
class Part_Rec
{
public:		
  Part_Rec();                       // constructor
  void setRecord(char *, int, int, int); // set a record
  void printRecord();             // print a record

private:
  char name[12];
  int number;    // 1000 - 9999
  int quantity;  // >= 0
  float cost ;   // 0 >= cost >= 100.00
};

// Part_Rec constructor initializes each data member.
// part number 1000 indicates no data, name blank for 
// no data.
// Ensures all Part_Rec objects start in a consistent state.
Part_Rec::Part_Rec()
{
  strcpy(name, "     ");
  number = 1000;
  quantity = 0;
  cost = 0;
}

// Set a new Part_Rec. Perform validity 
// checks on the data values. 
// Set invalid values to zero.
void Part_Rec::setRecord(char * nam, int num, int quant, int price)
{
   strcpy(name, nam);
   number = (num >= 1000 && num <= 9999) ? num : 0;
   quantity = (quant >= 0) ? quant : 0;
   cost = (price >= 0 && price <= 100) ? price : 0;
}

// Print Part_Rec
void Part_Rec::printRecord()             // print a record
{
   cout << "Part Name: " << name << endl;
   cout << "ID Number: " << number << endl;
   cout << "Quantity in Stock: " << quantity << endl;
   cout << "Price: $" << setiosflags(ios::showpoint | ios::fixed)
                      <<setprecision(2) 
                      << cost << endl;
}


// Driver to test simple class Part_Rec
main()
{
  Part_Rec mypart;  // instantiate object of class Part_Rec

  cout << "The initial values in mypart are: " << endl;
  mypart.printRecord();

  cout << endl;
  cout << "Setting values in the record " << endl;
  mypart.setRecord("Widget", 2792, 36, 7.33);
  cout << endl << "Value of record after set: " << endl;
  mypart.printRecord();

  cout << endl;
  cout << "Attempting invalid settings" << endl;
  mypart.setRecord("Invalid Widget", 10, -3, 200);
  cout << endl << "After attempting invalid settings:" << endl;
  mypart.printRecord();

  return 0;
}