//********************************************************
//
// Assignment 6 - Structures
//
// Name: <replace with your name>
//
// Class: C Programming, <replace with Semester and Year>
//
// Date: <replace with the current date>
//
// Description: Program which determines overtime and 
// gross pay for a set of employees with outputs sent 
// to standard output (the screen).
//
// Call by reference design
//
//********************************************************

// Define and Includes

#include <stdio.h>

// Define Constants
#define SIZE 5
#define STD_HOURS 40.0
#define OT_RATE 1.5

// Define a global structure to pass employee data between functions
// Note that the structure type is global, but you don't want a variable
// of that type to be global. Best to declare a variable of that type
// in a function like main or another function and pass as needed.

struct employee
{
    long clockNumber;
    float wageRate;
    float hours;
    float overtimeHrs;
    float grossPay;
};

// define prototypes here for each function except main

void getHours (struct employee employeeData[], int theSize );
void printHeader (void);
void printEmp (struct employee emp [ ], int theSize);

// TODO: add your function prototypes here

int main ()
{
    // Set up a local variable and initialize the clock and wages of my employees
    struct employee employeeData [SIZE] = {
        { 98401, 10.60 },
        { 526488, 9.75 },
        { 765349, 10.50 },
        { 34645, 12.25 },
        { 127615, 8.35 }
    };

    // Call function needed to read hours
    getHours (employeeData, SIZE);

    // TODO: Call functions calculate ot hours and gross pay

    // TODO: Call function to print the table column headers

    // Print a table header
    printHeader();

    // Function call to output results to the screen in table format
    printEmp (employeeData, SIZE);

    return(0); // success

} // main

//**************************************************************
// Function: getHours 
// 
// Purpose: Obtains input from user, the number of hours worked 
// per employee and stores the result in an array of structures
// that is passed back to the calling function by reference. 
// 
// Parameters:
// 
//     employeeData - an array of structures containing Employees
//     theSize - number of employees to process
//
// Returns: Nothing (void)
//  
//**************************************************************

void getHours (struct employee employeeData[], int theSize ) 
{

    int i; // loop and array index

    // read hours in for each employee
    for (i = 0; i < theSize ; ++i)
    {
        printf("\nEnter hours worked by emp # %06li: ",
                employeeData[i].clockNumber);
        scanf ("%f", &employeeData[i].hours);
    } // for

} // getHours

//**************************************************************
// Function: printHeader
// 
// Purpose: Prints the initial table header information.
// 
// Parameters: none
// 
// Returns: void
//  
//**************************************************************

void printHeader (void) 
{ 

    printf ("\n\n*** Pay Calculator ***\n");

    // print the table header
    printf("\nClock# Wage  Hours  OT      Gross\n");
    printf("------------------------------------------------\n");

} // printHeader

// ********************************************************************
// Function: printEmp
//
// Purpose: Outputs to screen in a table format the following
// information about an employee: Clock, Wage,
// Hours, Overtime Hours, and Gross Pay.
//
// Parameters:
//
//     employeeData - an array of structures containing Employees
//     theSize - number of employees to process
//
// Returns: Nothing (void)
//
// *********************************************************************

void printEmp ( struct employee employeeData[], int theSize )
{
    int i; // loop and array index

    // print information about each employee
    for (i = 0; i < theSize ; ++i)
    {
        printf("\n %06li %5.2f %4.1f %4.1f %8.2f",
        employeeData[i].clockNumber, employeeData[i].wageRate, employeeData[i].hours,
        employeeData[i].overtimeHrs, employeeData[i].grossPay);
    } /* for */

} // printEmp

// TODO: add your functions here