#ifndef _EMPLOYEE_H_
#define _EMPLOYEE_H_

// incomplete class and not fully documented
#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
using namespace std;

class Employee {
   friend ostream& operator<<(ostream &, const Employee &);

public:
   Employee(int = 0, int = 0, string = "dummyLast", string = "dummyFirst");
   Employee(const Employee&);
   ~Employee();
   bool setData(ifstream&);         // fill object with data from file
   int getData() const;             // get data that uniquely identifies object
   Employee& operator=(const Employee&);      
   bool operator<(const Employee&) const;      
   bool operator<=(const Employee&) const;      
   bool operator>(const Employee&) const;
   bool operator>=(const Employee&) const;
   bool operator==(const Employee&) const;
   bool operator!=(const Employee&) const;

private:
   string lastName;                      // employee's last name
   string firstName;                     // employee's first name
   int idNumber;                         // employee's ID number
   int salary;                           // employee's salary
};

#endif