/* Filename:  employee.cpp

   Author:  Br. David Carlson

   Date:  January 24, 1998

   Last Modified:  November 21, 2001

   This file implements the functions ReadEmployee, PrintEmployee, and
   EmpCompare that are prototyped in employee.h.
*/

#include <iostream>
#include <iomanip>
#include "employee.h"


/* Given:  Nothing.
   Task:   To read from the keyboard data for one employee.
   Return: Employee   A structure containing the data just read.
           In the function name return FailFlag or OKFlag to
           indicate how input behaved.
*/
int ReadEmployee(EmployeeType & Employee)
   {
   cout << "Enter employee's last name (no spaces allowed): ";
   cin >> Employee.LastName;
   if (cin.fail())
      return FailFlag;

   cout << "Enter employee's first name (no spaces allowed): ";
   cin >> Employee.FirstName;
   if (cin.fail())
      return FailFlag;

   cout << "Enter employee's ID number: ";
   cin >> Employee.ID;
   if (cin.fail())
      return FailFlag;

   cout << "Enter employee's wage rate: ";
   cin >> Employee.WageRate;
   if (cin.fail())
      return FailFlag;

   return OKFlag;
   }


/* Given:  Employee   A structure containing info on one employee.
   Task:   To print the data from Employee on the screen.
   Return: Nothing.
*/
void PrintEmployee(const EmployeeType & Employee)
   {
   cout << "Name:" 
      << setw(17) << Employee.LastName
      << setw(17) << Employee.FirstName 
      << setw(6) << "ID:"
      << setw(8) << Employee.ID
      << setw(13) << "Wage rate:"
      << setw(10) << Employee.WageRate << endl;
   }


/* Given:   First   An employee record.
            Second  Another employee record.
   Task:    To decide if, based on last name then first name, First
            is less than, equal to, or greater than Second.
   Return:  In the function name return:
               -1 if First < Second
               0  if First == Seond
               1  if First > Second
*/
int EmpCompare(const EmployeeType & First, const EmployeeType & Second)
   {
   int Value;

   Value = strcmp(First.LastName, Second.LastName);
   if (Value < 0)
      return -1;
   if (Value > 0)
      return 1;

   // If reach this line, LastNames are the same.
   Value = strcmp(First.FirstName, Second.FirstName);
   if (Value < 0)
      return -1;
   if (Value > 0)
      return 1;

   // If reach this line, both first and last names are same.
   return 0;
   }