/*
   teststruct2.cpp
   CIS 150
   David Klick
   7/3/08
   
   This program demonstrates how to manipulate
   an array of structures.
*/

#include <iostream>
#include <iomanip>
#include <cstring>
using std::cin;
using std::cout;
using std::setw;
using std::setprecision;
using std::showpoint;
using std::fixed;

struct Employee {
   int id;
   char fname[15];
   char lname[15];
   double rate;
};

const int ARRAY_SIZE = 5;
void display(Employee e);
void cont();

int main() {
   int i;

   // declare array of Employees
   Employee emp[ARRAY_SIZE];
   
   // get Employee info from user
   for (i=0; i<ARRAY_SIZE; i++) {
      cout << "Employee #" << (i+1) << '\n';
      cout << "       ID#: ";
      cin >> emp[i].id;
      cin.ignore();    // get rid of newline after id
      cout << "First name: ";
      cin.getline(emp[i].fname, 15, '\n');
      cout << " Last name: ";
      cin.getline(emp[i].lname, 15, '\n');
      cout << "      Rate: ";
      cin >> emp[i].rate;
      cout << '\n';
   }

   // display employee info
   for (i=0; i<ARRAY_SIZE; i++) {
      display(emp[i]);
   }
   
   cont();
   return 0;
}

/*
   void display(Employee e);
   
   Arguments:
      Employee e: an Employee structure
   
   Returns: nothing
   
   Displays the employee's information on stdout.
*/
void display(Employee e) {
   cout << fixed << showpoint << setprecision(2)
        << setw(3) << e.id << ": " << e.fname << ' '
        << e.lname << " (" << e.rate << ")\n";
}

/*
   void cont();
   
   Arguments: none
   
   Returns: nothing
   
   Clears input buffer and pauses waiting for user 
   to press Enter.
*/
void cont() {
   if (cin.rdbuf()->sungetc() != -1 && cin.get() != '\n') cin.ignore(80,'\n');
   cout << "Press enter to continue...";
   cin.get();
}

/*
   Sample input/output:
   
   Employee #1
          ID#: 27
   First name: Sammi
    Last name: Hargrove
         Rate: 12.35
   
   Employee #2
          ID#: 62
   First name: Red
    Last name: Forman
         Rate: 13.20

   Employee #3
          ID#: 13
   First name: Eric
    Last name: Forman
         Rate: 16.50

   Employee #4
          ID#: 5
   First name: Marcia
    Last name: Brady
         Rate: 8.95

   Employee #5
          ID#: 38
   First name: Walter
    Last name: Savitch
         Rate: 10.50

    27: Sammi Hargrove (12.35)
    62: Red Forman (13.20)
    13: Eric Forman (16.50)
     5: Marcia Brady (8.95)
    38: Walter Savitch (10.50)
*/